diff options
Diffstat (limited to 'html/edit')
| -rw-r--r-- | html/edit/001-editor.mu.html | 459 | ||||
| -rw-r--r-- | html/edit/002-typing.mu.html | 1137 | ||||
| -rw-r--r-- | html/edit/003-shortcuts.mu.html | 4037 | ||||
| -rw-r--r-- | html/edit/004-programming-environment.mu.html | 593 | ||||
| -rw-r--r-- | html/edit/005-sandbox.mu.html | 1325 | ||||
| -rw-r--r-- | html/edit/006-sandbox-copy.mu.html | 355 | ||||
| -rw-r--r-- | html/edit/007-sandbox-delete.mu.html | 377 | ||||
| -rw-r--r-- | html/edit/008-sandbox-edit.mu.html | 323 | ||||
| -rw-r--r-- | html/edit/009-sandbox-test.mu.html | 249 | ||||
| -rw-r--r-- | html/edit/010-sandbox-trace.mu.html | 271 | ||||
| -rw-r--r-- | html/edit/011-errors.mu.html | 949 | ||||
| -rw-r--r-- | html/edit/012-editor-undo.mu.html | 1945 |
12 files changed, 6004 insertions, 6016 deletions
diff --git a/html/edit/001-editor.mu.html b/html/edit/001-editor.mu.html index ae537bc5..490a59b4 100644 --- a/html/edit/001-editor.mu.html +++ b/html/edit/001-editor.mu.html @@ -15,19 +15,18 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } -.CommentedCode { color: #6c6c6c; } .LineNr { color: #444444; } .Delimiter { color: #800080; } -.muData { color: #ffff00; } +.CommentedCode { color: #6c6c6c; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -70,35 +69,35 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span> <span class="Constant">local-scope</span> <span id="L7" class="LineNr"> 7 </span> <span class="Constant">load-inputs</span> <span id="L8" class="LineNr"> 8 </span> open-console -<span id="L9" class="LineNr"> 9 </span> <a href='../081print.mu.html#L46'>clear-screen</a> <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> -<span id="L10" class="LineNr"> 10 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> text, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L11" class="LineNr"> 11 </span> <a href='001-editor.mu.html#L107'>render</a> <span class="Constant">0/screen</span>, e -<span id="L12" class="LineNr"> 12 </span> <a href='../084console.mu.html#L88'>wait-for-event</a> <span class="Constant">0/console</span> +<span id="L9" class="LineNr"> 9 </span> clear-screen <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> +<span id="L10" class="LineNr"> 10 </span> e:&:editor <span class="Special"><-</span> new-editor text, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L11" class="LineNr"> 11 </span> render <span class="Constant">0/screen</span>, e +<span id="L12" class="LineNr"> 12 </span> wait-for-event <span class="Constant">0/console</span> <span id="L13" class="LineNr"> 13 </span> close-console <span id="L14" class="LineNr"> 14 </span>] <span id="L15" class="LineNr"> 15 </span> <span id="L16" class="LineNr"> 16 </span><span class="muScenario">scenario</span> editor-renders-text-to-screen [ <span id="L17" class="LineNr"> 17 </span> <span class="Constant">local-scope</span> <span id="L18" class="LineNr"> 18 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L19" class="LineNr"> 19 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L19" class="LineNr"> 19 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L20" class="LineNr"> 20 </span> run [ -<span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L21" class="LineNr"> 21 </span> render screen, e <span id="L22" class="LineNr"> 22 </span> ] <span id="L23" class="LineNr"> 23 </span> screen-should-contain [ -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span> <span class="Comment"># top line of screen reserved for menu</span> -<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L26" class="LineNr"> 26 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L27" class="LineNr"> 27 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Comment"># top line of screen reserved for menu</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Constant"> . .</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Constant"> .abc .</span> +<span id="L27" class="LineNr"> 27 </span> <span class="Constant"> . .</span> <span id="L28" class="LineNr"> 28 </span> ] <span id="L29" class="LineNr"> 29 </span>] <span id="L30" class="LineNr"> 30 </span> <span id="L31" class="LineNr"> 31 </span><span class="muData">container</span> editor [ <span id="L32" class="LineNr"> 32 </span> <span class="Comment"># editable text: doubly linked list of characters (head contains a special sentinel)</span> -<span id="L33" class="LineNr"> 33 </span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char -<span id="L34" class="LineNr"> 34 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char -<span id="L35" class="LineNr"> 35 </span> bottom-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L33" class="LineNr"> 33 </span> data:&:duplex-list:char +<span id="L34" class="LineNr"> 34 </span> top-of-screen:&:duplex-list:char +<span id="L35" class="LineNr"> 35 </span> bottom-of-screen:&:duplex-list:char <span id="L36" class="LineNr"> 36 </span> <span class="Comment"># location before cursor inside data</span> -<span id="L37" class="LineNr"> 37 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L37" class="LineNr"> 37 </span> before-cursor:&:duplex-list:char <span id="L38" class="LineNr"> 38 </span> <span id="L39" class="LineNr"> 39 </span> <span class="Comment"># raw bounds of display area on screen</span> <span id="L40" class="LineNr"> 40 </span> <span class="Comment"># always displays from row 1 (leaving row 0 for a menu) and at most until bottom of screen</span> @@ -112,7 +111,7 @@ if ('onhashchange' in window) { <span id="L48" class="LineNr"> 48 </span> <span id="L49" class="LineNr"> 49 </span><span class="Comment"># creates a new editor widget</span> <span id="L50" class="LineNr"> 50 </span><span class="Comment"># right is exclusive</span> -<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">def</span> <a href='001-editor.mu.html#L51'>new-editor</a> s:text, left:num, right:num<span class="muRecipe"> -> </span>result:&:editor [ +<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">def</span> new-editor s:text, left:num, right:num<span class="muRecipe"> -> </span>result:&:editor [ <span id="L52" class="LineNr"> 52 </span> <span class="Constant">local-scope</span> <span id="L53" class="LineNr"> 53 </span> <span class="Constant">load-inputs</span> <span id="L54" class="LineNr"> 54 </span> <span class="Comment"># no clipping of bounds</span> @@ -125,18 +124,18 @@ if ('onhashchange' in window) { <span id="L61" class="LineNr"> 61 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">cursor-row:offset</span>, <span class="Constant">1/top</span> <span id="L62" class="LineNr"> 62 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">cursor-column:offset</span>, left <span id="L63" class="LineNr"> 63 </span> <span class="Comment"># initialize empty contents</span> -<span id="L64" class="LineNr"> 64 </span> init:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> push <span class="Constant">167/§</span>, <span class="Constant">0/tail</span> +<span id="L64" class="LineNr"> 64 </span> init:&:duplex-list:char <span class="Special"><-</span> push <span class="Constant">167/§</span>, <span class="Constant">0/tail</span> <span id="L65" class="LineNr"> 65 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">data:offset</span>, init <span id="L66" class="LineNr"> 66 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">top-of-screen:offset</span>, init <span id="L67" class="LineNr"> 67 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">before-cursor:offset</span>, init -<span id="L68" class="LineNr"> 68 </span> result <span class="Special"><-</span> <a href='001-editor.mu.html#L72'>insert-text</a> result, s -<span id="L69" class="LineNr"> 69 </span><span class="Constant"> <a href='001-editor.mu.html#L69'><editor-initialization></a></span> +<span id="L68" class="LineNr"> 68 </span> result <span class="Special"><-</span> insert-text result, s +<span id="L69" class="LineNr"> 69 </span><span class="Constant"> <editor-initialization></span> <span id="L70" class="LineNr"> 70 </span>] <span id="L71" class="LineNr"> 71 </span> -<span id="L72" class="LineNr"> 72 </span><span class="muRecipe">def</span> <a href='001-editor.mu.html#L72'>insert-text</a> editor:&:editor, text:text<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L72" class="LineNr"> 72 </span><span class="muRecipe">def</span> insert-text editor:&:editor, text:text<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L73" class="LineNr"> 73 </span> <span class="Constant">local-scope</span> <span id="L74" class="LineNr"> 74 </span> <span class="Constant">load-inputs</span> -<span id="L75" class="LineNr"> 75 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L75" class="LineNr"> 75 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> <span id="L76" class="LineNr"> 76 </span> insert curr, text <span id="L77" class="LineNr"> 77 </span>] <span id="L78" class="LineNr"> 78 </span> @@ -144,122 +143,122 @@ if ('onhashchange' in window) { <span id="L80" class="LineNr"> 80 </span> <span class="Constant">local-scope</span> <span id="L81" class="LineNr"> 81 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">3/height</span> <span id="L82" class="LineNr"> 82 </span> run [ -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">0/data</span>, <span class="Constant">2/left</span>, <span class="Constant">5/right</span> -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span> 2:editor/<span class="Special">raw</span> <span class="Special"><-</span> copy *e +<span id="L83" class="LineNr"> 83 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">0/data</span>, <span class="Constant">2/left</span>, <span class="Constant">5/right</span> +<span id="L84" class="LineNr"> 84 </span> 2:editor/<span class="Special">raw</span> <span class="Special"><-</span> copy *e <span id="L85" class="LineNr"> 85 </span> ] <span id="L86" class="LineNr"> 86 </span> memory-should-contain [ -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span> <span class="Comment"># 2 (data) <- just the § sentinel</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span> <span class="Comment"># 3 (top of screen) <- the § sentinel</span> -<span id="L89" class="LineNr"> 89 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># bottom-of-screen; null since text fits on screen</span> -<span id="L90" class="LineNr"> 90 </span> <span class="Conceal">¦</span> <span class="Comment"># 5 (before cursor) <- the § sentinel</span> -<span id="L91" class="LineNr"> 91 </span> <span class="Conceal">¦</span><span class="Constant"> 6</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># left</span> -<span id="L92" class="LineNr"> 92 </span> <span class="Conceal">¦</span><span class="Constant"> 7</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># right (inclusive)</span> -<span id="L93" class="LineNr"> 93 </span> <span class="Conceal">¦</span><span class="Constant"> 8</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># bottom (not set until render)</span> -<span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span><span class="Constant"> 9</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> -<span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor column</span> +<span id="L87" class="LineNr"> 87 </span> <span class="Comment"># 2 (data) <- just the § sentinel</span> +<span id="L88" class="LineNr"> 88 </span> <span class="Comment"># 3 (top of screen) <- the § sentinel</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># bottom-of-screen; null since text fits on screen</span> +<span id="L90" class="LineNr"> 90 </span> <span class="Comment"># 5 (before cursor) <- the § sentinel</span> +<span id="L91" class="LineNr"> 91 </span> <span class="Constant"> 6</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># left</span> +<span id="L92" class="LineNr"> 92 </span> <span class="Constant"> 7</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># right (inclusive)</span> +<span id="L93" class="LineNr"> 93 </span> <span class="Constant"> 8</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># bottom (not set until render)</span> +<span id="L94" class="LineNr"> 94 </span> <span class="Constant"> 9</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> +<span id="L95" class="LineNr"> 95 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor column</span> <span id="L96" class="LineNr"> 96 </span> ] <span id="L97" class="LineNr"> 97 </span> screen-should-contain [ -<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L100" class="LineNr">100 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L98" class="LineNr"> 98 </span> <span class="Constant"> . .</span> +<span id="L99" class="LineNr"> 99 </span> <span class="Constant"> . .</span> +<span id="L100" class="LineNr">100 </span> <span class="Constant"> . .</span> <span id="L101" class="LineNr">101 </span> ] <span id="L102" class="LineNr">102 </span>] <span id="L103" class="LineNr">103 </span> <span id="L104" class="LineNr">104 </span><span class="Comment"># Assumes cursor should be at coordinates (cursor-row, cursor-column) and</span> <span id="L105" class="LineNr">105 </span><span class="Comment"># updates before-cursor to match. Might also move coordinates if they're</span> <span id="L106" class="LineNr">106 </span><span class="Comment"># outside text.</span> -<span id="L107" class="LineNr">107 </span><span class="muRecipe">def</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor<span class="muRecipe"> -> </span>last-row:num, last-column:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor [ +<span id="L107" class="LineNr">107 </span><span class="muRecipe">def</span> render screen:&:screen, editor:&:editor<span class="muRecipe"> -> </span>last-row:num, last-column:num, screen:&:screen, editor:&:editor [ <span id="L108" class="LineNr">108 </span> <span class="Constant">local-scope</span> <span id="L109" class="LineNr">109 </span> <span class="Constant">load-inputs</span> <span id="L110" class="LineNr">110 </span> <span class="muControl">return-unless</span> editor, <span class="Constant">1/top</span>, <span class="Constant">0/left</span> <span id="L111" class="LineNr">111 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> -<span id="L112" class="LineNr">112 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L112" class="LineNr">112 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L113" class="LineNr">113 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L114" class="LineNr">114 </span> <span class="Comment"># traversing editor</span> -<span id="L115" class="LineNr">115 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L116" class="LineNr">116 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy curr <span class="Comment"># just in case curr becomes null and we can't compute prev</span> -<span id="L117" class="LineNr">117 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr +<span id="L115" class="LineNr">115 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L116" class="LineNr">116 </span> prev:&:duplex-list:char <span class="Special"><-</span> copy curr <span class="Comment"># just in case curr becomes null and we can't compute prev</span> +<span id="L117" class="LineNr">117 </span> curr <span class="Special"><-</span> next curr <span id="L118" class="LineNr">118 </span> <span class="Comment"># traversing screen</span> <span id="L119" class="LineNr">119 </span> color:num <span class="Special"><-</span> copy <span class="Constant">7/white</span> <span id="L120" class="LineNr">120 </span> row:num <span class="Special"><-</span> copy <span class="Constant">1/top</span> <span id="L121" class="LineNr">121 </span> column:num <span class="Special"><-</span> copy left <span id="L122" class="LineNr">122 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L123" class="LineNr">123 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L124" class="LineNr">124 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L125" class="LineNr">125 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column +<span id="L124" class="LineNr">124 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L125" class="LineNr">125 </span> screen <span class="Special"><-</span> move-cursor screen, row, column <span id="L126" class="LineNr">126 </span> <span class="Delimiter">{</span> -<span id="L127" class="LineNr">127 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-character</span> -<span id="L128" class="LineNr">128 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L129" class="LineNr">129 </span> <span class="Conceal">¦</span> off-screen?:bool <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L130" class="LineNr">130 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> off-screen? -<span id="L131" class="LineNr">131 </span> <span class="Conceal">¦</span> <span class="Comment"># update editor.before-cursor</span> -<span id="L132" class="LineNr">132 </span> <span class="Conceal">¦</span> <span class="Comment"># Doing so at the start of each iteration ensures it stays one step behind</span> -<span id="L133" class="LineNr">133 </span> <span class="Conceal">¦</span> <span class="Comment"># the current character.</span> -<span id="L134" class="LineNr">134 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L135" class="LineNr">135 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row -<span id="L136" class="LineNr">136 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-cursor-row? -<span id="L137" class="LineNr">137 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-cursor?:bool <span class="Special"><-</span> equal column, cursor-column -<span id="L138" class="LineNr">138 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-cursor? -<span id="L139" class="LineNr">139 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L141" class="LineNr">141 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L142" class="LineNr">142 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <character-c-received></span> -<span id="L143" class="LineNr">143 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L144" class="LineNr">144 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># newline? move to left rather than 0</span> -<span id="L145" class="LineNr">145 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L146" class="LineNr">146 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> newline? -<span id="L147" class="LineNr">147 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># adjust cursor if necessary</span> -<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L149" class="LineNr">149 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row -<span id="L150" class="LineNr">150 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-cursor-row? -<span id="L151" class="LineNr">151 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> left-of-cursor?:bool <span class="Special"><-</span> lesser-than column, cursor-column -<span id="L152" class="LineNr">152 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> left-of-cursor? -<span id="L153" class="LineNr">153 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy column -<span id="L154" class="LineNr">154 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr -<span id="L155" class="LineNr">155 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L156" class="LineNr">156 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># clear rest of line in this window</span> -<span id="L157" class="LineNr">157 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right -<span id="L158" class="LineNr">158 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># skip to next line</span> -<span id="L159" class="LineNr">159 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L160" class="LineNr">160 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L161" class="LineNr">161 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L162" class="LineNr">162 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L163" class="LineNr">163 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L164" class="LineNr">164 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L165" class="LineNr">165 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L166" class="LineNr">166 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L167" class="LineNr">167 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># at right? wrap. even if there's only one more letter left; we need</span> -<span id="L168" class="LineNr">168 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># room for clicking on the cursor after it.</span> -<span id="L169" class="LineNr">169 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> equal column, right -<span id="L170" class="LineNr">170 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-right? -<span id="L171" class="LineNr">171 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># print wrap icon</span> -<span id="L172" class="LineNr">172 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> -<span id="L173" class="LineNr">173 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, wrap-icon, <span class="Constant">245/grey</span> -<span id="L174" class="LineNr">174 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L175" class="LineNr">175 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L176" class="LineNr">176 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L177" class="LineNr">177 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># don't increment curr</span> -<span id="L178" class="LineNr">178 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L179" class="LineNr">179 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L180" class="LineNr">180 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, c, color -<span id="L181" class="LineNr">181 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L182" class="LineNr">182 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L183" class="LineNr">183 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L184" class="LineNr">184 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L127" class="LineNr">127 </span><span class="Constant"> +next-character</span> +<span id="L128" class="LineNr">128 </span> <span class="muControl">break-unless</span> curr +<span id="L129" class="LineNr">129 </span> off-screen?:bool <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L130" class="LineNr">130 </span> <span class="muControl">break-if</span> off-screen? +<span id="L131" class="LineNr">131 </span> <span class="Comment"># update editor.before-cursor</span> +<span id="L132" class="LineNr">132 </span> <span class="Comment"># Doing so at the start of each iteration ensures it stays one step behind</span> +<span id="L133" class="LineNr">133 </span> <span class="Comment"># the current character.</span> +<span id="L134" class="LineNr">134 </span> <span class="Delimiter">{</span> +<span id="L135" class="LineNr">135 </span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row +<span id="L136" class="LineNr">136 </span> <span class="muControl">break-unless</span> at-cursor-row? +<span id="L137" class="LineNr">137 </span> at-cursor?:bool <span class="Special"><-</span> equal column, cursor-column +<span id="L138" class="LineNr">138 </span> <span class="muControl">break-unless</span> at-cursor? +<span id="L139" class="LineNr">139 </span> before-cursor <span class="Special"><-</span> copy prev +<span id="L140" class="LineNr">140 </span> <span class="Delimiter">}</span> +<span id="L141" class="LineNr">141 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L142" class="LineNr">142 </span><span class="Constant"> <character-c-received></span> +<span id="L143" class="LineNr">143 </span> <span class="Delimiter">{</span> +<span id="L144" class="LineNr">144 </span> <span class="Comment"># newline? move to left rather than 0</span> +<span id="L145" class="LineNr">145 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L146" class="LineNr">146 </span> <span class="muControl">break-unless</span> newline? +<span id="L147" class="LineNr">147 </span> <span class="Comment"># adjust cursor if necessary</span> +<span id="L148" class="LineNr">148 </span> <span class="Delimiter">{</span> +<span id="L149" class="LineNr">149 </span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row +<span id="L150" class="LineNr">150 </span> <span class="muControl">break-unless</span> at-cursor-row? +<span id="L151" class="LineNr">151 </span> left-of-cursor?:bool <span class="Special"><-</span> lesser-than column, cursor-column +<span id="L152" class="LineNr">152 </span> <span class="muControl">break-unless</span> left-of-cursor? +<span id="L153" class="LineNr">153 </span> cursor-column <span class="Special"><-</span> copy column +<span id="L154" class="LineNr">154 </span> before-cursor <span class="Special"><-</span> prev curr +<span id="L155" class="LineNr">155 </span> <span class="Delimiter">}</span> +<span id="L156" class="LineNr">156 </span> <span class="Comment"># clear rest of line in this window</span> +<span id="L157" class="LineNr">157 </span> clear-line-until screen, right +<span id="L158" class="LineNr">158 </span> <span class="Comment"># skip to next line</span> +<span id="L159" class="LineNr">159 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L160" class="LineNr">160 </span> column <span class="Special"><-</span> copy left +<span id="L161" class="LineNr">161 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L162" class="LineNr">162 </span> curr <span class="Special"><-</span> next curr +<span id="L163" class="LineNr">163 </span> prev <span class="Special"><-</span> next prev +<span id="L164" class="LineNr">164 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L165" class="LineNr">165 </span> <span class="Delimiter">}</span> +<span id="L166" class="LineNr">166 </span> <span class="Delimiter">{</span> +<span id="L167" class="LineNr">167 </span> <span class="Comment"># at right? wrap. even if there's only one more letter left; we need</span> +<span id="L168" class="LineNr">168 </span> <span class="Comment"># room for clicking on the cursor after it.</span> +<span id="L169" class="LineNr">169 </span> at-right?:bool <span class="Special"><-</span> equal column, right +<span id="L170" class="LineNr">170 </span> <span class="muControl">break-unless</span> at-right? +<span id="L171" class="LineNr">171 </span> <span class="Comment"># print wrap icon</span> +<span id="L172" class="LineNr">172 </span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> +<span id="L173" class="LineNr">173 </span> print screen, wrap-icon, <span class="Constant">245/grey</span> +<span id="L174" class="LineNr">174 </span> column <span class="Special"><-</span> copy left +<span id="L175" class="LineNr">175 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L176" class="LineNr">176 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L177" class="LineNr">177 </span> <span class="Comment"># don't increment curr</span> +<span id="L178" class="LineNr">178 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L179" class="LineNr">179 </span> <span class="Delimiter">}</span> +<span id="L180" class="LineNr">180 </span> print screen, c, color +<span id="L181" class="LineNr">181 </span> curr <span class="Special"><-</span> next curr +<span id="L182" class="LineNr">182 </span> prev <span class="Special"><-</span> next prev +<span id="L183" class="LineNr">183 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L184" class="LineNr">184 </span> <span class="muControl"> loop</span> <span id="L185" class="LineNr">185 </span> <span class="Delimiter">}</span> <span id="L186" class="LineNr">186 </span> <span class="Comment"># save first character off-screen</span> <span id="L187" class="LineNr">187 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">bottom-of-screen:offset</span>, curr <span id="L188" class="LineNr">188 </span> <span class="Comment"># is cursor to the right of the last line? move to end</span> <span id="L189" class="LineNr">189 </span> <span class="Delimiter">{</span> -<span id="L190" class="LineNr">190 </span> <span class="Conceal">¦</span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row -<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span> cursor-outside-line?:bool <span class="Special"><-</span> lesser-or-equal column, cursor-column -<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> before-cursor-on-same-line?:bool <span class="Special"><-</span> and at-cursor-row?, cursor-outside-line? -<span id="L193" class="LineNr">193 </span> <span class="Conceal">¦</span> above-cursor-row?:bool <span class="Special"><-</span> lesser-than row, cursor-row -<span id="L194" class="LineNr">194 </span> <span class="Conceal">¦</span> before-cursor?:bool <span class="Special"><-</span> or before-cursor-on-same-line?, above-cursor-row? -<span id="L195" class="LineNr">195 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> before-cursor? -<span id="L196" class="LineNr">196 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> copy row -<span id="L197" class="LineNr">197 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy column -<span id="L198" class="LineNr">198 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> +<span id="L190" class="LineNr">190 </span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row +<span id="L191" class="LineNr">191 </span> cursor-outside-line?:bool <span class="Special"><-</span> lesser-or-equal column, cursor-column +<span id="L192" class="LineNr">192 </span> before-cursor-on-same-line?:bool <span class="Special"><-</span> and at-cursor-row?, cursor-outside-line? +<span id="L193" class="LineNr">193 </span> above-cursor-row?:bool <span class="Special"><-</span> lesser-than row, cursor-row +<span id="L194" class="LineNr">194 </span> before-cursor?:bool <span class="Special"><-</span> or before-cursor-on-same-line?, above-cursor-row? +<span id="L195" class="LineNr">195 </span> <span class="muControl">break-unless</span> before-cursor? +<span id="L196" class="LineNr">196 </span> cursor-row <span class="Special"><-</span> copy row +<span id="L197" class="LineNr">197 </span> cursor-column <span class="Special"><-</span> copy column +<span id="L198" class="LineNr">198 </span> before-cursor <span class="Special"><-</span> copy prev <span id="L199" class="LineNr">199 </span> <span class="Delimiter">}</span> <span id="L200" class="LineNr">200 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">bottom:offset</span>, row <span id="L201" class="LineNr">201 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row @@ -268,41 +267,41 @@ if ('onhashchange' in window) { <span id="L204" class="LineNr">204 </span> <span class="muControl"> return</span> row, column <span id="L205" class="LineNr">205 </span>] <span id="L206" class="LineNr">206 </span> -<span id="L207" class="LineNr">207 </span><span class="muRecipe">def</span> <a href='001-editor.mu.html#L207'>clear-screen-from</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, row:num, column:num, left:num, right:num<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L207" class="LineNr">207 </span><span class="muRecipe">def</span> clear-screen-from screen:&:screen, row:num, column:num, left:num, right:num<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L208" class="LineNr">208 </span> <span class="Constant">local-scope</span> <span id="L209" class="LineNr">209 </span> <span class="Constant">load-inputs</span> <span id="L210" class="LineNr">210 </span><span class="CommentedCode">#? stash [clear-screen-from] row column [between] left [and] right</span> <span id="L211" class="LineNr">211 </span> <span class="Comment"># if it's the real screen, use the optimized primitive</span> <span id="L212" class="LineNr">212 </span> <span class="Delimiter">{</span> -<span id="L213" class="LineNr">213 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='../081print.mu.html#L16'>screen</a> -<span id="L214" class="LineNr">214 </span> <span class="Conceal">¦</span> clear-display-from row, column, left, right -<span id="L215" class="LineNr">215 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L213" class="LineNr">213 </span> <span class="muControl">break-if</span> screen +<span id="L214" class="LineNr">214 </span> clear-display-from row, column, left, right +<span id="L215" class="LineNr">215 </span> <span class="muControl"> return</span> <span id="L216" class="LineNr">216 </span> <span class="Delimiter">}</span> <span id="L217" class="LineNr">217 </span> <span class="Comment"># if not, go the slower route</span> -<span id="L218" class="LineNr">218 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L219" class="LineNr">219 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right -<span id="L220" class="LineNr">220 </span> <a href='001-editor.mu.html#L223'>clear-rest-of-screen</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right +<span id="L218" class="LineNr">218 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L219" class="LineNr">219 </span> clear-line-until screen, right +<span id="L220" class="LineNr">220 </span> clear-rest-of-screen screen, row, left, right <span id="L221" class="LineNr">221 </span>] <span id="L222" class="LineNr">222 </span> -<span id="L223" class="LineNr">223 </span><span class="muRecipe">def</span> <a href='001-editor.mu.html#L223'>clear-rest-of-screen</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, row:num, left:num, right:num<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L223" class="LineNr">223 </span><span class="muRecipe">def</span> clear-rest-of-screen screen:&:screen, row:num, left:num, right:num<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L224" class="LineNr">224 </span> <span class="Constant">local-scope</span> <span id="L225" class="LineNr">225 </span> <span class="Constant">load-inputs</span> <span id="L226" class="LineNr">226 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> <span id="L227" class="LineNr">227 </span> <span class="Comment"># if it's the real screen, use the optimized primitive</span> <span id="L228" class="LineNr">228 </span> <span class="Delimiter">{</span> -<span id="L229" class="LineNr">229 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='../081print.mu.html#L16'>screen</a> -<span id="L230" class="LineNr">230 </span> <span class="Conceal">¦</span> clear-display-from row, left, left, right -<span id="L231" class="LineNr">231 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L229" class="LineNr">229 </span> <span class="muControl">break-if</span> screen +<span id="L230" class="LineNr">230 </span> clear-display-from row, left, left, right +<span id="L231" class="LineNr">231 </span> <span class="muControl"> return</span> <span id="L232" class="LineNr">232 </span> <span class="Delimiter">}</span> -<span id="L233" class="LineNr">233 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left -<span id="L234" class="LineNr">234 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L233" class="LineNr">233 </span> screen <span class="Special"><-</span> move-cursor screen, row, left +<span id="L234" class="LineNr">234 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L235" class="LineNr">235 </span> <span class="Delimiter">{</span> -<span id="L236" class="LineNr">236 </span> <span class="Conceal">¦</span> at-bottom-of-screen?:bool <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-bottom-of-screen? -<span id="L238" class="LineNr">238 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left -<span id="L239" class="LineNr">239 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right -<span id="L240" class="LineNr">240 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L241" class="LineNr">241 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L236" class="LineNr">236 </span> at-bottom-of-screen?:bool <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L237" class="LineNr">237 </span> <span class="muControl">break-if</span> at-bottom-of-screen? +<span id="L238" class="LineNr">238 </span> screen <span class="Special"><-</span> move-cursor screen, row, left +<span id="L239" class="LineNr">239 </span> clear-line-until screen, right +<span id="L240" class="LineNr">240 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L241" class="LineNr">241 </span> <span class="muControl"> loop</span> <span id="L242" class="LineNr">242 </span> <span class="Delimiter">}</span> <span id="L243" class="LineNr">243 </span>] <span id="L244" class="LineNr">244 </span> @@ -311,29 +310,29 @@ if ('onhashchange' in window) { <span id="L247" class="LineNr">247 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> <span id="L248" class="LineNr">248 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L249" class="LineNr">249 </span><span class="Constant">def]</span> -<span id="L250" class="LineNr">250 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L250" class="LineNr">250 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L251" class="LineNr">251 </span> run [ -<span id="L252" class="LineNr">252 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L252" class="LineNr">252 </span> render screen, e <span id="L253" class="LineNr">253 </span> ] <span id="L254" class="LineNr">254 </span> screen-should-contain [ -<span id="L255" class="LineNr">255 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L256" class="LineNr">256 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L257" class="LineNr">257 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L258" class="LineNr">258 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L255" class="LineNr">255 </span> <span class="Constant"> . .</span> +<span id="L256" class="LineNr">256 </span> <span class="Constant"> .abc .</span> +<span id="L257" class="LineNr">257 </span> <span class="Constant"> .def .</span> +<span id="L258" class="LineNr">258 </span> <span class="Constant"> . .</span> <span id="L259" class="LineNr">259 </span> ] <span id="L260" class="LineNr">260 </span>] <span id="L261" class="LineNr">261 </span> <span id="L262" class="LineNr">262 </span><span class="muScenario">scenario</span> editor-handles-offsets [ <span id="L263" class="LineNr">263 </span> <span class="Constant">local-scope</span> <span id="L264" class="LineNr">264 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> -<span id="L265" class="LineNr">265 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">1/left</span>, <span class="Constant">5/right</span> +<span id="L265" class="LineNr">265 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">1/left</span>, <span class="Constant">5/right</span> <span id="L266" class="LineNr">266 </span> run [ -<span id="L267" class="LineNr">267 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L267" class="LineNr">267 </span> render screen, e <span id="L268" class="LineNr">268 </span> ] <span id="L269" class="LineNr">269 </span> screen-should-contain [ -<span id="L270" class="LineNr">270 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L271" class="LineNr">271 </span> <span class="Conceal">¦</span><span class="Constant"> . abc .</span> -<span id="L272" class="LineNr">272 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L270" class="LineNr">270 </span> <span class="Constant"> . .</span> +<span id="L271" class="LineNr">271 </span> <span class="Constant"> . abc .</span> +<span id="L272" class="LineNr">272 </span> <span class="Constant"> . .</span> <span id="L273" class="LineNr">273 </span> ] <span id="L274" class="LineNr">274 </span>] <span id="L275" class="LineNr">275 </span> @@ -342,79 +341,79 @@ if ('onhashchange' in window) { <span id="L278" class="LineNr">278 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> <span id="L279" class="LineNr">279 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L280" class="LineNr">280 </span><span class="Constant">def]</span> -<span id="L281" class="LineNr">281 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">1/left</span>, <span class="Constant">5/right</span> +<span id="L281" class="LineNr">281 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">1/left</span>, <span class="Constant">5/right</span> <span id="L282" class="LineNr">282 </span> run [ -<span id="L283" class="LineNr">283 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L283" class="LineNr">283 </span> render screen, e <span id="L284" class="LineNr">284 </span> ] <span id="L285" class="LineNr">285 </span> screen-should-contain [ -<span id="L286" class="LineNr">286 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L287" class="LineNr">287 </span> <span class="Conceal">¦</span><span class="Constant"> . abc .</span> -<span id="L288" class="LineNr">288 </span> <span class="Conceal">¦</span><span class="Constant"> . def .</span> -<span id="L289" class="LineNr">289 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L286" class="LineNr">286 </span> <span class="Constant"> . .</span> +<span id="L287" class="LineNr">287 </span> <span class="Constant"> . abc .</span> +<span id="L288" class="LineNr">288 </span> <span class="Constant"> . def .</span> +<span id="L289" class="LineNr">289 </span> <span class="Constant"> . .</span> <span id="L290" class="LineNr">290 </span> ] <span id="L291" class="LineNr">291 </span>] <span id="L292" class="LineNr">292 </span> <span id="L293" class="LineNr">293 </span><span class="muScenario">scenario</span> editor-wraps-long-lines [ <span id="L294" class="LineNr">294 </span> <span class="Constant">local-scope</span> <span id="L295" class="LineNr">295 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> -<span id="L296" class="LineNr">296 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc def]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L296" class="LineNr">296 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc def]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L297" class="LineNr">297 </span> run [ -<span id="L298" class="LineNr">298 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L298" class="LineNr">298 </span> render screen, e <span id="L299" class="LineNr">299 </span> ] <span id="L300" class="LineNr">300 </span> screen-should-contain [ -<span id="L301" class="LineNr">301 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L302" class="LineNr">302 </span> <span class="Conceal">¦</span><span class="Constant"> .abc ↩.</span> -<span id="L303" class="LineNr">303 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L304" class="LineNr">304 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L301" class="LineNr">301 </span> <span class="Constant"> . .</span> +<span id="L302" class="LineNr">302 </span> <span class="Constant"> .abc ↩.</span> +<span id="L303" class="LineNr">303 </span> <span class="Constant"> .def .</span> +<span id="L304" class="LineNr">304 </span> <span class="Constant"> . .</span> <span id="L305" class="LineNr">305 </span> ] <span id="L306" class="LineNr">306 </span> screen-should-contain-in-color <span class="Constant">245/grey</span> [ -<span id="L307" class="LineNr">307 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L308" class="LineNr">308 </span> <span class="Conceal">¦</span><span class="Constant"> . ↩.</span> -<span id="L309" class="LineNr">309 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L310" class="LineNr">310 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L307" class="LineNr">307 </span> <span class="Constant"> . .</span> +<span id="L308" class="LineNr">308 </span> <span class="Constant"> . ↩.</span> +<span id="L309" class="LineNr">309 </span> <span class="Constant"> . .</span> +<span id="L310" class="LineNr">310 </span> <span class="Constant"> . .</span> <span id="L311" class="LineNr">311 </span> ] <span id="L312" class="LineNr">312 </span>] <span id="L313" class="LineNr">313 </span> <span id="L314" class="LineNr">314 </span><span class="muScenario">scenario</span> editor-wraps-barely-long-lines [ <span id="L315" class="LineNr">315 </span> <span class="Constant">local-scope</span> <span id="L316" class="LineNr">316 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> -<span id="L317" class="LineNr">317 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L317" class="LineNr">317 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L318" class="LineNr">318 </span> run [ -<span id="L319" class="LineNr">319 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L319" class="LineNr">319 </span> render screen, e <span id="L320" class="LineNr">320 </span> ] <span id="L321" class="LineNr">321 </span> <span class="Comment"># still wrap, even though the line would fit. We need room to click on the</span> <span id="L322" class="LineNr">322 </span> <span class="Comment"># end of the line</span> <span id="L323" class="LineNr">323 </span> screen-should-contain [ -<span id="L324" class="LineNr">324 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L325" class="LineNr">325 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .abcd↩.</span> -<span id="L326" class="LineNr">326 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L327" class="LineNr">327 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L324" class="LineNr">324 </span> <span class="Constant"> . .</span> +<span id="L325" class="LineNr">325 </span><span class="Constant"> .abcd↩.</span> +<span id="L326" class="LineNr">326 </span> <span class="Constant"> .e .</span> +<span id="L327" class="LineNr">327 </span> <span class="Constant"> . .</span> <span id="L328" class="LineNr">328 </span> ] <span id="L329" class="LineNr">329 </span> screen-should-contain-in-color <span class="Constant">245/grey</span> [ -<span id="L330" class="LineNr">330 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L331" class="LineNr">331 </span> <span class="Conceal">¦</span><span class="Constant"> . ↩.</span> -<span id="L332" class="LineNr">332 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L333" class="LineNr">333 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L330" class="LineNr">330 </span> <span class="Constant"> . .</span> +<span id="L331" class="LineNr">331 </span> <span class="Constant"> . ↩.</span> +<span id="L332" class="LineNr">332 </span> <span class="Constant"> . .</span> +<span id="L333" class="LineNr">333 </span> <span class="Constant"> . .</span> <span id="L334" class="LineNr">334 </span> ] <span id="L335" class="LineNr">335 </span>] <span id="L336" class="LineNr">336 </span> <span id="L337" class="LineNr">337 </span><span class="muScenario">scenario</span> editor-with-empty-text [ <span id="L338" class="LineNr">338 </span> <span class="Constant">local-scope</span> <span id="L339" class="LineNr">339 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> -<span id="L340" class="LineNr">340 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L340" class="LineNr">340 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L341" class="LineNr">341 </span> run [ -<span id="L342" class="LineNr">342 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e -<span id="L343" class="LineNr">343 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L344" class="LineNr">344 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L342" class="LineNr">342 </span> render screen, e +<span id="L343" class="LineNr">343 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L344" class="LineNr">344 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L345" class="LineNr">345 </span> ] <span id="L346" class="LineNr">346 </span> screen-should-contain [ -<span id="L347" class="LineNr">347 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L348" class="LineNr">348 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L349" class="LineNr">349 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L347" class="LineNr">347 </span> <span class="Constant"> . .</span> +<span id="L348" class="LineNr">348 </span> <span class="Constant"> . .</span> +<span id="L349" class="LineNr">349 </span> <span class="Constant"> . .</span> <span id="L350" class="LineNr">350 </span> ] <span id="L351" class="LineNr">351 </span> memory-should-contain [ -<span id="L352" class="LineNr">352 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> -<span id="L353" class="LineNr">353 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor column</span> +<span id="L352" class="LineNr">352 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> +<span id="L353" class="LineNr">353 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor column</span> <span id="L354" class="LineNr">354 </span> ] <span id="L355" class="LineNr">355 </span>] <span id="L356" class="LineNr">356 </span> @@ -426,73 +425,73 @@ if ('onhashchange' in window) { <span id="L362" class="LineNr">362 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L363" class="LineNr">363 </span><span class="Constant"># de</span> <span id="L364" class="LineNr">364 </span><span class="Constant">f]</span> -<span id="L365" class="LineNr">365 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L365" class="LineNr">365 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L366" class="LineNr">366 </span> run [ -<span id="L367" class="LineNr">367 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L367" class="LineNr">367 </span> render screen, e <span id="L368" class="LineNr">368 </span> ] <span id="L369" class="LineNr">369 </span> screen-should-contain [ -<span id="L370" class="LineNr">370 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L371" class="LineNr">371 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L372" class="LineNr">372 </span> <span class="Conceal">¦</span><span class="Constant"> .# de .</span> -<span id="L373" class="LineNr">373 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L374" class="LineNr">374 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L370" class="LineNr">370 </span> <span class="Constant"> . .</span> +<span id="L371" class="LineNr">371 </span> <span class="Constant"> .abc .</span> +<span id="L372" class="LineNr">372 </span> <span class="Constant"> .# de .</span> +<span id="L373" class="LineNr">373 </span> <span class="Constant"> .f .</span> +<span id="L374" class="LineNr">374 </span> <span class="Constant"> . .</span> <span id="L375" class="LineNr">375 </span> ] <span id="L376" class="LineNr">376 </span> screen-should-contain-in-color <span class="Constant">12/lightblue</span>, [ -<span id="L377" class="LineNr">377 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L378" class="LineNr">378 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L379" class="LineNr">379 </span> <span class="Conceal">¦</span><span class="Constant"> .# de .</span> -<span id="L380" class="LineNr">380 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L381" class="LineNr">381 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L377" class="LineNr">377 </span> <span class="Constant"> . .</span> +<span id="L378" class="LineNr">378 </span> <span class="Constant"> . .</span> +<span id="L379" class="LineNr">379 </span> <span class="Constant"> .# de .</span> +<span id="L380" class="LineNr">380 </span> <span class="Constant"> . .</span> +<span id="L381" class="LineNr">381 </span> <span class="Constant"> . .</span> <span id="L382" class="LineNr">382 </span> ] <span id="L383" class="LineNr">383 </span> screen-should-contain-in-color <span class="Constant">7/white</span>, [ -<span id="L384" class="LineNr">384 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L385" class="LineNr">385 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L386" class="LineNr">386 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L387" class="LineNr">387 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L388" class="LineNr">388 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L384" class="LineNr">384 </span> <span class="Constant"> . .</span> +<span id="L385" class="LineNr">385 </span> <span class="Constant"> .abc .</span> +<span id="L386" class="LineNr">386 </span> <span class="Constant"> . .</span> +<span id="L387" class="LineNr">387 </span> <span class="Constant"> .f .</span> +<span id="L388" class="LineNr">388 </span> <span class="Constant"> . .</span> <span id="L389" class="LineNr">389 </span> ] <span id="L390" class="LineNr">390 </span>] <span id="L391" class="LineNr">391 </span> <span id="L392" class="LineNr">392 </span><span class="muRecipe">after</span> <span class="Constant"><character-c-received></span> [ -<span id="L393" class="LineNr">393 </span> color <span class="Special"><-</span> <a href='001-editor.mu.html#L397'>get-color</a> color, c +<span id="L393" class="LineNr">393 </span> color <span class="Special"><-</span> get-color color, c <span id="L394" class="LineNr">394 </span>] <span id="L395" class="LineNr">395 </span> <span id="L396" class="LineNr">396 </span><span class="Comment"># so far the previous color is all the information we need; that may change</span> -<span id="L397" class="LineNr">397 </span><span class="muRecipe">def</span> <a href='001-editor.mu.html#L397'>get-color</a> color:num, c:char<span class="muRecipe"> -> </span>color:num [ +<span id="L397" class="LineNr">397 </span><span class="muRecipe">def</span> get-color color:num, c:char<span class="muRecipe"> -> </span>color:num [ <span id="L398" class="LineNr">398 </span> <span class="Constant">local-scope</span> <span id="L399" class="LineNr">399 </span> <span class="Constant">load-inputs</span> <span id="L400" class="LineNr">400 </span> color-is-white?:bool <span class="Special"><-</span> equal color, <span class="Constant">7/white</span> <span id="L401" class="LineNr">401 </span> <span class="Comment"># if color is white and next character is '#', switch color to blue</span> <span id="L402" class="LineNr">402 </span> <span class="Delimiter">{</span> -<span id="L403" class="LineNr">403 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> color-is-white? -<span id="L404" class="LineNr">404 </span> <span class="Conceal">¦</span> starting-comment?:bool <span class="Special"><-</span> equal c, <span class="Constant">35/#</span> -<span id="L405" class="LineNr">405 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> starting-comment? -<span id="L406" class="LineNr">406 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 90</span>, <span class="Constant">[app]</span>, <span class="Constant">[switch color back to blue]</span> -<span id="L407" class="LineNr">407 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">12/lightblue</span> +<span id="L403" class="LineNr">403 </span> <span class="muControl">break-unless</span> color-is-white? +<span id="L404" class="LineNr">404 </span> starting-comment?:bool <span class="Special"><-</span> equal c, <span class="Constant">35/#</span> +<span id="L405" class="LineNr">405 </span> <span class="muControl">break-unless</span> starting-comment? +<span id="L406" class="LineNr">406 </span> trace<span class="Constant"> 90</span>, <span class="Constant">[app]</span>, <span class="Constant">[switch color back to blue]</span> +<span id="L407" class="LineNr">407 </span> <span class="muControl"> return</span> <span class="Constant">12/lightblue</span> <span id="L408" class="LineNr">408 </span> <span class="Delimiter">}</span> <span id="L409" class="LineNr">409 </span> <span class="Comment"># if color is blue and next character is newline, switch color to white</span> <span id="L410" class="LineNr">410 </span> <span class="Delimiter">{</span> -<span id="L411" class="LineNr">411 </span> <span class="Conceal">¦</span> color-is-blue?:bool <span class="Special"><-</span> equal color, <span class="Constant">12/lightblue</span> -<span id="L412" class="LineNr">412 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> color-is-blue? -<span id="L413" class="LineNr">413 </span> <span class="Conceal">¦</span> ending-comment?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L414" class="LineNr">414 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> ending-comment? -<span id="L415" class="LineNr">415 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 90</span>, <span class="Constant">[app]</span>, <span class="Constant">[switch color back to white]</span> -<span id="L416" class="LineNr">416 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">7/white</span> +<span id="L411" class="LineNr">411 </span> color-is-blue?:bool <span class="Special"><-</span> equal color, <span class="Constant">12/lightblue</span> +<span id="L412" class="LineNr">412 </span> <span class="muControl">break-unless</span> color-is-blue? +<span id="L413" class="LineNr">413 </span> ending-comment?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L414" class="LineNr">414 </span> <span class="muControl">break-unless</span> ending-comment? +<span id="L415" class="LineNr">415 </span> trace<span class="Constant"> 90</span>, <span class="Constant">[app]</span>, <span class="Constant">[switch color back to white]</span> +<span id="L416" class="LineNr">416 </span> <span class="muControl"> return</span> <span class="Constant">7/white</span> <span id="L417" class="LineNr">417 </span> <span class="Delimiter">}</span> <span id="L418" class="LineNr">418 </span> <span class="Comment"># if color is white (no comments) and next character is '<', switch color to red</span> <span id="L419" class="LineNr">419 </span> <span class="Delimiter">{</span> -<span id="L420" class="LineNr">420 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> color-is-white? -<span id="L421" class="LineNr">421 </span> <span class="Conceal">¦</span> starting-assignment?:bool <span class="Special"><-</span> equal c, <span class="Constant">60/<</span> -<span id="L422" class="LineNr">422 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> starting-assignment? -<span id="L423" class="LineNr">423 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/red</span> +<span id="L420" class="LineNr">420 </span> <span class="muControl">break-unless</span> color-is-white? +<span id="L421" class="LineNr">421 </span> starting-assignment?:bool <span class="Special"><-</span> equal c, <span class="Constant">60/<</span> +<span id="L422" class="LineNr">422 </span> <span class="muControl">break-unless</span> starting-assignment? +<span id="L423" class="LineNr">423 </span> <span class="muControl"> return</span> <span class="Constant">1/red</span> <span id="L424" class="LineNr">424 </span> <span class="Delimiter">}</span> <span id="L425" class="LineNr">425 </span> <span class="Comment"># if color is red and next character is space, switch color to white</span> <span id="L426" class="LineNr">426 </span> <span class="Delimiter">{</span> -<span id="L427" class="LineNr">427 </span> <span class="Conceal">¦</span> color-is-red?:bool <span class="Special"><-</span> equal color, <span class="Constant">1/red</span> -<span id="L428" class="LineNr">428 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> color-is-red? -<span id="L429" class="LineNr">429 </span> <span class="Conceal">¦</span> ending-assignment?:bool <span class="Special"><-</span> equal c, <span class="Constant">32/space</span> -<span id="L430" class="LineNr">430 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> ending-assignment? -<span id="L431" class="LineNr">431 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">7/white</span> +<span id="L427" class="LineNr">427 </span> color-is-red?:bool <span class="Special"><-</span> equal color, <span class="Constant">1/red</span> +<span id="L428" class="LineNr">428 </span> <span class="muControl">break-unless</span> color-is-red? +<span id="L429" class="LineNr">429 </span> ending-assignment?:bool <span class="Special"><-</span> equal c, <span class="Constant">32/space</span> +<span id="L430" class="LineNr">430 </span> <span class="muControl">break-unless</span> ending-assignment? +<span id="L431" class="LineNr">431 </span> <span class="muControl"> return</span> <span class="Constant">7/white</span> <span id="L432" class="LineNr">432 </span> <span class="Delimiter">}</span> <span id="L433" class="LineNr">433 </span> <span class="Comment"># otherwise no change</span> <span id="L434" class="LineNr">434 </span> <span class="muControl"> return</span> color @@ -504,23 +503,23 @@ if ('onhashchange' in window) { <span id="L440" class="LineNr">440 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L441" class="LineNr">441 </span><span class="Constant">d <- e</span> <span id="L442" class="LineNr">442 </span><span class="Constant">f]</span> -<span id="L443" class="LineNr">443 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">8/right</span> +<span id="L443" class="LineNr">443 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">8/right</span> <span id="L444" class="LineNr">444 </span> run [ -<span id="L445" class="LineNr">445 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L445" class="LineNr">445 </span> render screen, e <span id="L446" class="LineNr">446 </span> ] <span id="L447" class="LineNr">447 </span> screen-should-contain [ -<span id="L448" class="LineNr">448 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L449" class="LineNr">449 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L450" class="LineNr">450 </span> <span class="Conceal">¦</span><span class="Constant"> .d <- e .</span> -<span id="L451" class="LineNr">451 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L452" class="LineNr">452 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L448" class="LineNr">448 </span> <span class="Constant"> . .</span> +<span id="L449" class="LineNr">449 </span> <span class="Constant"> .abc .</span> +<span id="L450" class="LineNr">450 </span> <span class="Constant"> .d <- e .</span> +<span id="L451" class="LineNr">451 </span> <span class="Constant"> .f .</span> +<span id="L452" class="LineNr">452 </span> <span class="Constant"> . .</span> <span id="L453" class="LineNr">453 </span> ] <span id="L454" class="LineNr">454 </span> screen-should-contain-in-color <span class="Constant">1/red</span>, [ -<span id="L455" class="LineNr">455 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L456" class="LineNr">456 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L457" class="LineNr">457 </span> <span class="Conceal">¦</span><span class="Constant"> . <- .</span> -<span id="L458" class="LineNr">458 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L459" class="LineNr">459 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L455" class="LineNr">455 </span> <span class="Constant"> . .</span> +<span id="L456" class="LineNr">456 </span> <span class="Constant"> . .</span> +<span id="L457" class="LineNr">457 </span> <span class="Constant"> . <- .</span> +<span id="L458" class="LineNr">458 </span> <span class="Constant"> . .</span> +<span id="L459" class="LineNr">459 </span> <span class="Constant"> . .</span> <span id="L460" class="LineNr">460 </span> ] <span id="L461" class="LineNr">461 </span>] </pre> diff --git a/html/edit/002-typing.mu.html b/html/edit/002-typing.mu.html index 477bee1d..91fea2a7 100644 --- a/html/edit/002-typing.mu.html +++ b/html/edit/002-typing.mu.html @@ -15,18 +15,17 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } .LineNr { color: #444444; } .Delimiter { color: #800080; } -.muData { color: #ffff00; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -69,48 +68,48 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span> <span class="Constant">local-scope</span> <span id="L7" class="LineNr"> 7 </span> <span class="Constant">load-inputs</span> <span id="L8" class="LineNr"> 8 </span> open-console -<span id="L9" class="LineNr"> 9 </span> <a href='../081print.mu.html#L46'>clear-screen</a> <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> -<span id="L10" class="LineNr"> 10 </span> editor:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> text, <span class="Constant">5/left</span>, <span class="Constant">45/right</span> -<span id="L11" class="LineNr"> 11 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <span class="Constant">0/screen</span>, editor -<span id="L12" class="LineNr"> 12 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, editor +<span id="L9" class="LineNr"> 9 </span> clear-screen <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> +<span id="L10" class="LineNr"> 10 </span> editor:&:editor <span class="Special"><-</span> new-editor text, <span class="Constant">5/left</span>, <span class="Constant">45/right</span> +<span id="L11" class="LineNr"> 11 </span> editor-render <span class="Constant">0/screen</span>, editor +<span id="L12" class="LineNr"> 12 </span> editor-event-loop <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, editor <span id="L13" class="LineNr"> 13 </span> close-console <span id="L14" class="LineNr"> 14 </span>] <span id="L15" class="LineNr"> 15 </span> -<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>:&:<a href='../084console.mu.html#L23'>console</a>, editor:&:editor<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>:&:<a href='../084console.mu.html#L23'>console</a>, editor:&:editor [ +<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> editor-event-loop screen:&:screen, console:&:console, editor:&:editor<span class="muRecipe"> -> </span>screen:&:screen, console:&:console, editor:&:editor [ <span id="L17" class="LineNr"> 17 </span> <span class="Constant">local-scope</span> <span id="L18" class="LineNr"> 18 </span> <span class="Constant">load-inputs</span> <span id="L19" class="LineNr"> 19 </span> <span class="Delimiter">{</span> -<span id="L20" class="LineNr"> 20 </span> <span class="Conceal">¦</span> <span class="Comment"># looping over each (keyboard or touch) event as it occurs</span> -<span id="L21" class="LineNr"> 21 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-event</span> -<span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column -<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span> e:<a href='../084console.mu.html#L4'>event</a>, found?:bool, quit?:bool, <a href='../084console.mu.html#L23'>console</a> <span class="Special"><-</span> <a href='../084console.mu.html#L35'>read-event</a> <a href='../084console.mu.html#L23'>console</a> -<span id="L26" class="LineNr"> 26 </span> <span class="Conceal">¦</span> <span class="muControl">loop-unless</span> found? -<span id="L27" class="LineNr"> 27 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> quit? <span class="Comment"># only in tests</span> -<span id="L28" class="LineNr"> 28 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[next-event]</span> -<span id="L29" class="LineNr"> 29 </span> <span class="Conceal">¦</span> <span class="Comment"># 'touch' event</span> -<span id="L30" class="LineNr"> 30 </span> <span class="Conceal">¦</span> t:<a href='../084console.mu.html#L12'>touch-event</a>, is-touch?:bool <span class="Special"><-</span> maybe-convert e, <span class="Constant">touch:variant</span> -<span id="L31" class="LineNr"> 31 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L32" class="LineNr"> 32 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-touch? -<span id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> move-cursor editor, <a href='../081print.mu.html#L16'>screen</a>, t -<span id="L34" class="LineNr"> 34 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> -<span id="L35" class="LineNr"> 35 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L36" class="LineNr"> 36 </span> <span class="Conceal">¦</span> <span class="Comment"># keyboard events</span> -<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L38" class="LineNr"> 38 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> is-touch? -<span id="L39" class="LineNr"> 39 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> go-render?:bool <span class="Special"><-</span> <a href='002-typing.mu.html#L166'>handle-keyboard-event</a> <a href='../081print.mu.html#L16'>screen</a>, editor, e -<span id="L40" class="LineNr"> 40 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L41" class="LineNr"> 41 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> go-render? -<span id="L42" class="LineNr"> 42 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, editor -<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L45" class="LineNr"> 45 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L20" class="LineNr"> 20 </span> <span class="Comment"># looping over each (keyboard or touch) event as it occurs</span> +<span id="L21" class="LineNr"> 21 </span><span class="Constant"> +next-event</span> +<span id="L22" class="LineNr"> 22 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> +<span id="L23" class="LineNr"> 23 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> +<span id="L24" class="LineNr"> 24 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column +<span id="L25" class="LineNr"> 25 </span> e:event, found?:bool, quit?:bool, console <span class="Special"><-</span> read-event console +<span id="L26" class="LineNr"> 26 </span> <span class="muControl">loop-unless</span> found? +<span id="L27" class="LineNr"> 27 </span> <span class="muControl">break-if</span> quit? <span class="Comment"># only in tests</span> +<span id="L28" class="LineNr"> 28 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[next-event]</span> +<span id="L29" class="LineNr"> 29 </span> <span class="Comment"># 'touch' event</span> +<span id="L30" class="LineNr"> 30 </span> t:touch-event, is-touch?:bool <span class="Special"><-</span> maybe-convert e, <span class="Constant">touch:variant</span> +<span id="L31" class="LineNr"> 31 </span> <span class="Delimiter">{</span> +<span id="L32" class="LineNr"> 32 </span> <span class="muControl">break-unless</span> is-touch? +<span id="L33" class="LineNr"> 33 </span> move-cursor editor, screen, t +<span id="L34" class="LineNr"> 34 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">}</span> +<span id="L36" class="LineNr"> 36 </span> <span class="Comment"># keyboard events</span> +<span id="L37" class="LineNr"> 37 </span> <span class="Delimiter">{</span> +<span id="L38" class="LineNr"> 38 </span> <span class="muControl">break-if</span> is-touch? +<span id="L39" class="LineNr"> 39 </span> go-render?:bool <span class="Special"><-</span> handle-keyboard-event screen, editor, e +<span id="L40" class="LineNr"> 40 </span> <span class="Delimiter">{</span> +<span id="L41" class="LineNr"> 41 </span> <span class="muControl">break-unless</span> go-render? +<span id="L42" class="LineNr"> 42 </span> screen <span class="Special"><-</span> editor-render screen, editor +<span id="L43" class="LineNr"> 43 </span> <span class="Delimiter">}</span> +<span id="L44" class="LineNr"> 44 </span> <span class="Delimiter">}</span> +<span id="L45" class="LineNr"> 45 </span> <span class="muControl"> loop</span> <span id="L46" class="LineNr"> 46 </span> <span class="Delimiter">}</span> <span id="L47" class="LineNr"> 47 </span>] <span id="L48" class="LineNr"> 48 </span> <span id="L49" class="LineNr"> 49 </span><span class="Comment"># process click, return if it was on current editor</span> -<span id="L50" class="LineNr"> 50 </span><span class="muRecipe">def</span> move-cursor editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, t:<a href='../084console.mu.html#L12'>touch-event</a><span class="muRecipe"> -> </span>in-focus?:bool, editor:&:editor [ +<span id="L50" class="LineNr"> 50 </span><span class="muRecipe">def</span> move-cursor editor:&:editor, screen:&:screen, t:touch-event<span class="muRecipe"> -> </span>in-focus?:bool, editor:&:editor [ <span id="L51" class="LineNr"> 51 </span> <span class="Constant">local-scope</span> <span id="L52" class="LineNr"> 52 </span> <span class="Constant">load-inputs</span> <span id="L53" class="LineNr"> 53 </span> <span class="muControl">return-unless</span> editor, <span class="Constant">0/false</span> @@ -125,7 +124,7 @@ if ('onhashchange' in window) { <span id="L62" class="LineNr"> 62 </span> <span class="muControl">return-if</span> too-far-right?, <span class="Constant">0/false</span> <span id="L63" class="LineNr"> 63 </span> <span class="Comment"># position cursor</span> <span id="L64" class="LineNr"> 64 </span><span class="Constant"> <begin-move-cursor></span> -<span id="L65" class="LineNr"> 65 </span> editor <span class="Special"><-</span> <a href='002-typing.mu.html#L75'>snap-cursor</a> editor, <a href='../081print.mu.html#L16'>screen</a>, click-row, click-column +<span id="L65" class="LineNr"> 65 </span> editor <span class="Special"><-</span> snap-cursor editor, screen, click-row, click-column <span id="L66" class="LineNr"> 66 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> <span id="L67" class="LineNr"> 67 </span><span class="Constant"> <end-move-cursor></span> <span id="L68" class="LineNr"> 68 </span> <span class="Comment"># gain focus</span> @@ -135,140 +134,140 @@ if ('onhashchange' in window) { <span id="L72" class="LineNr"> 72 </span><span class="Comment"># Variant of 'render' that only moves the cursor (coordinates and</span> <span id="L73" class="LineNr"> 73 </span><span class="Comment"># before-cursor). If it's past the end of a line, it 'slides' it left. If it's</span> <span id="L74" class="LineNr"> 74 </span><span class="Comment"># past the last line it positions at end of last line.</span> -<span id="L75" class="LineNr"> 75 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L75'>snap-cursor</a> editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, target-row:num, target-column:num<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L75" class="LineNr"> 75 </span><span class="muRecipe">def</span> snap-cursor editor:&:editor, screen:&:screen, target-row:num, target-column:num<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L76" class="LineNr"> 76 </span> <span class="Constant">local-scope</span> <span id="L77" class="LineNr"> 77 </span> <span class="Constant">load-inputs</span> <span id="L78" class="LineNr"> 78 </span> <span class="muControl">return-unless</span> editor <span id="L79" class="LineNr"> 79 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L80" class="LineNr"> 80 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L81" class="LineNr"> 81 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L81" class="LineNr"> 81 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L82" class="LineNr"> 82 </span> <span class="Comment"># count newlines until screen row</span> -<span id="L83" class="LineNr"> 83 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L84" class="LineNr"> 84 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy curr <span class="Comment"># just in case curr becomes null and we can't compute prev</span> -<span id="L85" class="LineNr"> 85 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr +<span id="L83" class="LineNr"> 83 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L84" class="LineNr"> 84 </span> prev:&:duplex-list:char <span class="Special"><-</span> copy curr <span class="Comment"># just in case curr becomes null and we can't compute prev</span> +<span id="L85" class="LineNr"> 85 </span> curr <span class="Special"><-</span> next curr <span id="L86" class="LineNr"> 86 </span> row:num <span class="Special"><-</span> copy <span class="Constant">1/top</span> <span id="L87" class="LineNr"> 87 </span> column:num <span class="Special"><-</span> copy left <span id="L88" class="LineNr"> 88 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, target-row <span id="L89" class="LineNr"> 89 </span> cursor-row:num <span class="Special"><-</span> copy target-row <span id="L90" class="LineNr"> 90 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, target-column <span id="L91" class="LineNr"> 91 </span> cursor-column:num <span class="Special"><-</span> copy target-column -<span id="L92" class="LineNr"> 92 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L92" class="LineNr"> 92 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L93" class="LineNr"> 93 </span> <span class="Delimiter">{</span> -<span id="L94" class="LineNr"> 94 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-character</span> -<span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L96" class="LineNr"> 96 </span> <span class="Conceal">¦</span> off-screen?:bool <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L97" class="LineNr"> 97 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> off-screen? -<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span> <span class="Comment"># update editor.before-cursor</span> -<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span> <span class="Comment"># Doing so at the start of each iteration ensures it stays one step behind</span> -<span id="L100" class="LineNr"> 100 </span> <span class="Conceal">¦</span> <span class="Comment"># the current character.</span> -<span id="L101" class="LineNr"> 101 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L102" class="LineNr"> 102 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row -<span id="L103" class="LineNr"> 103 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-cursor-row? -<span id="L104" class="LineNr"> 104 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-cursor?:bool <span class="Special"><-</span> equal column, cursor-column -<span id="L105" class="LineNr"> 105 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-cursor? -<span id="L106" class="LineNr"> 106 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L107" class="LineNr"> 107 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L108" class="LineNr"> 108 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L109" class="LineNr"> 109 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L110" class="LineNr"> 110 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L111" class="LineNr"> 111 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># newline? move to left rather than 0</span> -<span id="L112" class="LineNr"> 112 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L113" class="LineNr"> 113 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> newline? -<span id="L114" class="LineNr"> 114 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># adjust cursor if necessary</span> -<span id="L115" class="LineNr"> 115 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L116" class="LineNr"> 116 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row -<span id="L117" class="LineNr"> 117 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-cursor-row? -<span id="L118" class="LineNr"> 118 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> left-of-cursor?:bool <span class="Special"><-</span> lesser-than column, cursor-column -<span id="L119" class="LineNr"> 119 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> left-of-cursor? -<span id="L120" class="LineNr"> 120 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy column -<span id="L121" class="LineNr"> 121 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L122" class="LineNr"> 122 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L123" class="LineNr"> 123 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L124" class="LineNr"> 124 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L125" class="LineNr"> 125 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># skip to next line</span> -<span id="L126" class="LineNr"> 126 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L127" class="LineNr"> 127 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L128" class="LineNr"> 128 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L129" class="LineNr"> 129 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L130" class="LineNr"> 130 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L131" class="LineNr"> 131 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L132" class="LineNr"> 132 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L133" class="LineNr"> 133 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># at right? wrap. even if there's only one more letter left; we need</span> -<span id="L134" class="LineNr"> 134 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># room for clicking on the cursor after it.</span> -<span id="L135" class="LineNr"> 135 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> equal column, right -<span id="L136" class="LineNr"> 136 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-right? -<span id="L137" class="LineNr"> 137 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L138" class="LineNr"> 138 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L139" class="LineNr"> 139 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># don't increment curr/prev</span> -<span id="L140" class="LineNr"> 140 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L141" class="LineNr"> 141 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L142" class="LineNr"> 142 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L143" class="LineNr"> 143 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L144" class="LineNr"> 144 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L145" class="LineNr"> 145 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L94" class="LineNr"> 94 </span><span class="Constant"> +next-character</span> +<span id="L95" class="LineNr"> 95 </span> <span class="muControl">break-unless</span> curr +<span id="L96" class="LineNr"> 96 </span> off-screen?:bool <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L97" class="LineNr"> 97 </span> <span class="muControl">break-if</span> off-screen? +<span id="L98" class="LineNr"> 98 </span> <span class="Comment"># update editor.before-cursor</span> +<span id="L99" class="LineNr"> 99 </span> <span class="Comment"># Doing so at the start of each iteration ensures it stays one step behind</span> +<span id="L100" class="LineNr"> 100 </span> <span class="Comment"># the current character.</span> +<span id="L101" class="LineNr"> 101 </span> <span class="Delimiter">{</span> +<span id="L102" class="LineNr"> 102 </span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row +<span id="L103" class="LineNr"> 103 </span> <span class="muControl">break-unless</span> at-cursor-row? +<span id="L104" class="LineNr"> 104 </span> at-cursor?:bool <span class="Special"><-</span> equal column, cursor-column +<span id="L105" class="LineNr"> 105 </span> <span class="muControl">break-unless</span> at-cursor? +<span id="L106" class="LineNr"> 106 </span> before-cursor <span class="Special"><-</span> copy prev +<span id="L107" class="LineNr"> 107 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L108" class="LineNr"> 108 </span> <span class="Delimiter">}</span> +<span id="L109" class="LineNr"> 109 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L110" class="LineNr"> 110 </span> <span class="Delimiter">{</span> +<span id="L111" class="LineNr"> 111 </span> <span class="Comment"># newline? move to left rather than 0</span> +<span id="L112" class="LineNr"> 112 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L113" class="LineNr"> 113 </span> <span class="muControl">break-unless</span> newline? +<span id="L114" class="LineNr"> 114 </span> <span class="Comment"># adjust cursor if necessary</span> +<span id="L115" class="LineNr"> 115 </span> <span class="Delimiter">{</span> +<span id="L116" class="LineNr"> 116 </span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row +<span id="L117" class="LineNr"> 117 </span> <span class="muControl">break-unless</span> at-cursor-row? +<span id="L118" class="LineNr"> 118 </span> left-of-cursor?:bool <span class="Special"><-</span> lesser-than column, cursor-column +<span id="L119" class="LineNr"> 119 </span> <span class="muControl">break-unless</span> left-of-cursor? +<span id="L120" class="LineNr"> 120 </span> cursor-column <span class="Special"><-</span> copy column +<span id="L121" class="LineNr"> 121 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L122" class="LineNr"> 122 </span> before-cursor <span class="Special"><-</span> copy prev +<span id="L123" class="LineNr"> 123 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L124" class="LineNr"> 124 </span> <span class="Delimiter">}</span> +<span id="L125" class="LineNr"> 125 </span> <span class="Comment"># skip to next line</span> +<span id="L126" class="LineNr"> 126 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L127" class="LineNr"> 127 </span> column <span class="Special"><-</span> copy left +<span id="L128" class="LineNr"> 128 </span> curr <span class="Special"><-</span> next curr +<span id="L129" class="LineNr"> 129 </span> prev <span class="Special"><-</span> next prev +<span id="L130" class="LineNr"> 130 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L131" class="LineNr"> 131 </span> <span class="Delimiter">}</span> +<span id="L132" class="LineNr"> 132 </span> <span class="Delimiter">{</span> +<span id="L133" class="LineNr"> 133 </span> <span class="Comment"># at right? wrap. even if there's only one more letter left; we need</span> +<span id="L134" class="LineNr"> 134 </span> <span class="Comment"># room for clicking on the cursor after it.</span> +<span id="L135" class="LineNr"> 135 </span> at-right?:bool <span class="Special"><-</span> equal column, right +<span id="L136" class="LineNr"> 136 </span> <span class="muControl">break-unless</span> at-right? +<span id="L137" class="LineNr"> 137 </span> column <span class="Special"><-</span> copy left +<span id="L138" class="LineNr"> 138 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L139" class="LineNr"> 139 </span> <span class="Comment"># don't increment curr/prev</span> +<span id="L140" class="LineNr"> 140 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L141" class="LineNr"> 141 </span> <span class="Delimiter">}</span> +<span id="L142" class="LineNr"> 142 </span> curr <span class="Special"><-</span> next curr +<span id="L143" class="LineNr"> 143 </span> prev <span class="Special"><-</span> next prev +<span id="L144" class="LineNr"> 144 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L145" class="LineNr"> 145 </span> <span class="muControl"> loop</span> <span id="L146" class="LineNr"> 146 </span> <span class="Delimiter">}</span> <span id="L147" class="LineNr"> 147 </span> <span class="Comment"># is cursor to the right of the last line? move to end</span> <span id="L148" class="LineNr"> 148 </span> <span class="Delimiter">{</span> -<span id="L149" class="LineNr"> 149 </span> <span class="Conceal">¦</span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row -<span id="L150" class="LineNr"> 150 </span> <span class="Conceal">¦</span> cursor-outside-line?:bool <span class="Special"><-</span> lesser-or-equal column, cursor-column -<span id="L151" class="LineNr"> 151 </span> <span class="Conceal">¦</span> before-cursor-on-same-line?:bool <span class="Special"><-</span> and at-cursor-row?, cursor-outside-line? -<span id="L152" class="LineNr"> 152 </span> <span class="Conceal">¦</span> above-cursor-row?:bool <span class="Special"><-</span> lesser-than row, cursor-row -<span id="L153" class="LineNr"> 153 </span> <span class="Conceal">¦</span> before-cursor?:bool <span class="Special"><-</span> or before-cursor-on-same-line?, above-cursor-row? -<span id="L154" class="LineNr"> 154 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> before-cursor? -<span id="L155" class="LineNr"> 155 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> copy row -<span id="L156" class="LineNr"> 156 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L157" class="LineNr"> 157 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy column -<span id="L158" class="LineNr"> 158 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L159" class="LineNr"> 159 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L160" class="LineNr"> 160 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L149" class="LineNr"> 149 </span> at-cursor-row?:bool <span class="Special"><-</span> equal row, cursor-row +<span id="L150" class="LineNr"> 150 </span> cursor-outside-line?:bool <span class="Special"><-</span> lesser-or-equal column, cursor-column +<span id="L151" class="LineNr"> 151 </span> before-cursor-on-same-line?:bool <span class="Special"><-</span> and at-cursor-row?, cursor-outside-line? +<span id="L152" class="LineNr"> 152 </span> above-cursor-row?:bool <span class="Special"><-</span> lesser-than row, cursor-row +<span id="L153" class="LineNr"> 153 </span> before-cursor?:bool <span class="Special"><-</span> or before-cursor-on-same-line?, above-cursor-row? +<span id="L154" class="LineNr"> 154 </span> <span class="muControl">break-unless</span> before-cursor? +<span id="L155" class="LineNr"> 155 </span> cursor-row <span class="Special"><-</span> copy row +<span id="L156" class="LineNr"> 156 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L157" class="LineNr"> 157 </span> cursor-column <span class="Special"><-</span> copy column +<span id="L158" class="LineNr"> 158 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L159" class="LineNr"> 159 </span> before-cursor <span class="Special"><-</span> copy prev +<span id="L160" class="LineNr"> 160 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L161" class="LineNr"> 161 </span> <span class="Delimiter">}</span> <span id="L162" class="LineNr"> 162 </span>] <span id="L163" class="LineNr"> 163 </span> <span id="L164" class="LineNr"> 164 </span><span class="Comment"># Process an event 'e' and try to minimally update the screen.</span> <span id="L165" class="LineNr"> 165 </span><span class="Comment"># Set 'go-render?' to true to indicate the caller must perform a non-minimal update.</span> -<span id="L166" class="LineNr"> 166 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L166'>handle-keyboard-event</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor, e:<a href='../084console.mu.html#L4'>event</a><span class="muRecipe"> -> </span>go-render?:bool, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor [ +<span id="L166" class="LineNr"> 166 </span><span class="muRecipe">def</span> handle-keyboard-event screen:&:screen, editor:&:editor, e:event<span class="muRecipe"> -> </span>go-render?:bool, screen:&:screen, editor:&:editor [ <span id="L167" class="LineNr"> 167 </span> <span class="Constant">local-scope</span> <span id="L168" class="LineNr"> 168 </span> <span class="Constant">load-inputs</span> <span id="L169" class="LineNr"> 169 </span> <span class="muControl">return-unless</span> editor, <span class="Constant">0/don't-render</span> -<span id="L170" class="LineNr"> 170 </span> <a href='../081print.mu.html#L768'>screen-width</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> -<span id="L171" class="LineNr"> 171 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L170" class="LineNr"> 170 </span> screen-width:num <span class="Special"><-</span> screen-width screen +<span id="L171" class="LineNr"> 171 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L172" class="LineNr"> 172 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L173" class="LineNr"> 173 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L174" class="LineNr"> 174 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L174" class="LineNr"> 174 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L175" class="LineNr"> 175 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L176" class="LineNr"> 176 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L177" class="LineNr"> 177 </span> save-row:num <span class="Special"><-</span> copy cursor-row <span id="L178" class="LineNr"> 178 </span> save-column:num <span class="Special"><-</span> copy cursor-column <span id="L179" class="LineNr"> 179 </span> <span class="Comment"># character</span> <span id="L180" class="LineNr"> 180 </span> <span class="Delimiter">{</span> -<span id="L181" class="LineNr"> 181 </span> <span class="Conceal">¦</span> c:char, is-unicode?:bool <span class="Special"><-</span> maybe-convert e, <span class="Constant">text:variant</span> -<span id="L182" class="LineNr"> 182 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-unicode? -<span id="L183" class="LineNr"> 183 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[handle-keyboard-event: special character]</span> -<span id="L184" class="LineNr"> 184 </span> <span class="Conceal">¦</span> <span class="Comment"># exceptions for special characters go here</span> -<span id="L185" class="LineNr"> 185 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='002-typing.mu.html#L185'><handle-special-character></a></span> -<span id="L186" class="LineNr"> 186 </span> <span class="Conceal">¦</span> <span class="Comment"># ignore any other special characters</span> -<span id="L187" class="LineNr"> 187 </span> <span class="Conceal">¦</span> regular-character?:bool <span class="Special"><-</span> greater-or-equal c, <span class="Constant">32/space</span> -<span id="L188" class="LineNr"> 188 </span> <span class="Conceal">¦</span> <span class="muControl">return-unless</span> regular-character?, <span class="Constant">0/don't-render</span> -<span id="L189" class="LineNr"> 189 </span> <span class="Conceal">¦</span> <span class="Comment"># otherwise type it in</span> -<span id="L190" class="LineNr"> 190 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-insert-character></span> -<span id="L191" class="LineNr"> 191 </span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> <a href='002-typing.mu.html#L203'>insert-at-cursor</a> editor, c, <a href='../081print.mu.html#L16'>screen</a> -<span id="L192" class="LineNr"> 192 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-insert-character></span> -<span id="L193" class="LineNr"> 193 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L181" class="LineNr"> 181 </span> c:char, is-unicode?:bool <span class="Special"><-</span> maybe-convert e, <span class="Constant">text:variant</span> +<span id="L182" class="LineNr"> 182 </span> <span class="muControl">break-unless</span> is-unicode? +<span id="L183" class="LineNr"> 183 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[handle-keyboard-event: special character]</span> +<span id="L184" class="LineNr"> 184 </span> <span class="Comment"># exceptions for special characters go here</span> +<span id="L185" class="LineNr"> 185 </span><span class="Constant"> <handle-special-character></span> +<span id="L186" class="LineNr"> 186 </span> <span class="Comment"># ignore any other special characters</span> +<span id="L187" class="LineNr"> 187 </span> regular-character?:bool <span class="Special"><-</span> greater-or-equal c, <span class="Constant">32/space</span> +<span id="L188" class="LineNr"> 188 </span> <span class="muControl">return-unless</span> regular-character?, <span class="Constant">0/don't-render</span> +<span id="L189" class="LineNr"> 189 </span> <span class="Comment"># otherwise type it in</span> +<span id="L190" class="LineNr"> 190 </span><span class="Constant"> <begin-insert-character></span> +<span id="L191" class="LineNr"> 191 </span> go-render? <span class="Special"><-</span> insert-at-cursor editor, c, screen +<span id="L192" class="LineNr"> 192 </span><span class="Constant"> <end-insert-character></span> +<span id="L193" class="LineNr"> 193 </span> <span class="muControl"> return</span> <span id="L194" class="LineNr"> 194 </span> <span class="Delimiter">}</span> <span id="L195" class="LineNr"> 195 </span> <span class="Comment"># special key to modify the text or move the cursor</span> -<span id="L196" class="LineNr"> 196 </span> k:num, is-keycode?:bool <span class="Special"><-</span> maybe-convert e:<a href='../084console.mu.html#L4'>event</a>, <span class="Constant">keycode:variant</span> +<span id="L196" class="LineNr"> 196 </span> k:num, is-keycode?:bool <span class="Special"><-</span> maybe-convert e:event, <span class="Constant">keycode:variant</span> <span id="L197" class="LineNr"> 197 </span> assert is-keycode?, <span class="Constant">[event was of unknown type; neither keyboard nor mouse]</span> <span id="L198" class="LineNr"> 198 </span> <span class="Comment"># handlers for each special key will go here</span> -<span id="L199" class="LineNr"> 199 </span><span class="Constant"> <a href='002-typing.mu.html#L199'><handle-special-key></a></span> +<span id="L199" class="LineNr"> 199 </span><span class="Constant"> <handle-special-key></span> <span id="L200" class="LineNr"> 200 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L201" class="LineNr"> 201 </span>] <span id="L202" class="LineNr"> 202 </span> -<span id="L203" class="LineNr"> 203 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L203'>insert-at-cursor</a> editor:&:editor, c:char, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L203" class="LineNr"> 203 </span><span class="muRecipe">def</span> insert-at-cursor editor:&:editor, c:char, screen:&:screen<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor, screen:&:screen [ <span id="L204" class="LineNr"> 204 </span> <span class="Constant">local-scope</span> <span id="L205" class="LineNr"> 205 </span> <span class="Constant">load-inputs</span> -<span id="L206" class="LineNr"> 206 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L206" class="LineNr"> 206 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L207" class="LineNr"> 207 </span> insert c, before-cursor -<span id="L208" class="LineNr"> 208 </span> before-cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L208" class="LineNr"> 208 </span> before-cursor <span class="Special"><-</span> next before-cursor <span id="L209" class="LineNr"> 209 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L210" class="LineNr"> 210 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L211" class="LineNr"> 211 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> @@ -276,110 +275,110 @@ if ('onhashchange' in window) { <span id="L213" class="LineNr"> 213 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L214" class="LineNr"> 214 </span> save-row:num <span class="Special"><-</span> copy cursor-row <span id="L215" class="LineNr"> 215 </span> save-column:num <span class="Special"><-</span> copy cursor-column -<span id="L216" class="LineNr"> 216 </span> <a href='../081print.mu.html#L768'>screen-width</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> -<span id="L217" class="LineNr"> 217 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L216" class="LineNr"> 216 </span> screen-width:num <span class="Special"><-</span> screen-width screen +<span id="L217" class="LineNr"> 217 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L218" class="LineNr"> 218 </span> <span class="Comment"># occasionally we'll need to mess with the cursor</span> -<span id="L219" class="LineNr"> 219 </span><span class="Constant"> <a href='002-typing.mu.html#L219'><insert-character-special-case></a></span> +<span id="L219" class="LineNr"> 219 </span><span class="Constant"> <insert-character-special-case></span> <span id="L220" class="LineNr"> 220 </span> <span class="Comment"># but mostly we'll just move the cursor right</span> <span id="L221" class="LineNr"> 221 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> <span id="L222" class="LineNr"> 222 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L223" class="LineNr"> 223 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L223" class="LineNr"> 223 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor <span id="L224" class="LineNr"> 224 </span> <span class="Delimiter">{</span> -<span id="L225" class="LineNr"> 225 </span> <span class="Conceal">¦</span> <span class="Comment"># at end of all text? no need to scroll? just print the character and leave</span> -<span id="L226" class="LineNr"> 226 </span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> equal <a href='../065duplex_list.mu.html#L25'>next</a>, <span class="Constant">0/null</span> -<span id="L227" class="LineNr"> 227 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end? -<span id="L228" class="LineNr"> 228 </span> <span class="Conceal">¦</span> bottom:num <span class="Special"><-</span> subtract <a href='../081print.mu.html#L782'>screen-height</a>,<span class="Constant"> 1</span> -<span id="L229" class="LineNr"> 229 </span> <span class="Conceal">¦</span> at-bottom?:bool <span class="Special"><-</span> equal save-row, bottom -<span id="L230" class="LineNr"> 230 </span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> equal save-column, right -<span id="L231" class="LineNr"> 231 </span> <span class="Conceal">¦</span> overflow?:bool <span class="Special"><-</span> and at-bottom?, at-right? -<span id="L232" class="LineNr"> 232 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> overflow? -<span id="L233" class="LineNr"> 233 </span> <span class="Conceal">¦</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, save-row, save-column -<span id="L234" class="LineNr"> 234 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, c -<span id="L235" class="LineNr"> 235 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L225" class="LineNr"> 225 </span> <span class="Comment"># at end of all text? no need to scroll? just print the character and leave</span> +<span id="L226" class="LineNr"> 226 </span> at-end?:bool <span class="Special"><-</span> equal next, <span class="Constant">0/null</span> +<span id="L227" class="LineNr"> 227 </span> <span class="muControl">break-unless</span> at-end? +<span id="L228" class="LineNr"> 228 </span> bottom:num <span class="Special"><-</span> subtract screen-height,<span class="Constant"> 1</span> +<span id="L229" class="LineNr"> 229 </span> at-bottom?:bool <span class="Special"><-</span> equal save-row, bottom +<span id="L230" class="LineNr"> 230 </span> at-right?:bool <span class="Special"><-</span> equal save-column, right +<span id="L231" class="LineNr"> 231 </span> overflow?:bool <span class="Special"><-</span> and at-bottom?, at-right? +<span id="L232" class="LineNr"> 232 </span> <span class="muControl">break-if</span> overflow? +<span id="L233" class="LineNr"> 233 </span> move-cursor screen, save-row, save-column +<span id="L234" class="LineNr"> 234 </span> print screen, c +<span id="L235" class="LineNr"> 235 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L236" class="LineNr"> 236 </span> <span class="Delimiter">}</span> <span id="L237" class="LineNr"> 237 </span> <span class="Delimiter">{</span> -<span id="L238" class="LineNr"> 238 </span> <span class="Conceal">¦</span> <span class="Comment"># not at right margin? print the character and rest of line</span> -<span id="L239" class="LineNr"> 239 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L240" class="LineNr"> 240 </span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> greater-or-equal cursor-column, <a href='../081print.mu.html#L768'>screen-width</a> -<span id="L241" class="LineNr"> 241 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-right? -<span id="L242" class="LineNr"> 242 </span> <span class="Conceal">¦</span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy before-cursor -<span id="L243" class="LineNr"> 243 </span> <span class="Conceal">¦</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, save-row, save-column -<span id="L244" class="LineNr"> 244 </span> <span class="Conceal">¦</span> curr-column:num <span class="Special"><-</span> copy save-column -<span id="L245" class="LineNr"> 245 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L246" class="LineNr"> 246 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># hit right margin? give up and let caller render</span> -<span id="L247" class="LineNr"> 247 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> greater-than curr-column, right -<span id="L248" class="LineNr"> 248 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span> -<span id="L249" class="LineNr"> 249 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L250" class="LineNr"> 250 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># newline? done.</span> -<span id="L251" class="LineNr"> 251 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L252" class="LineNr"> 252 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> -<span id="L253" class="LineNr"> 253 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L254" class="LineNr"> 254 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, currc -<span id="L255" class="LineNr"> 255 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> -<span id="L256" class="LineNr"> 256 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L257" class="LineNr"> 257 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L258" class="LineNr"> 258 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L259" class="LineNr"> 259 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L238" class="LineNr"> 238 </span> <span class="Comment"># not at right margin? print the character and rest of line</span> +<span id="L239" class="LineNr"> 239 </span> <span class="muControl">break-unless</span> next +<span id="L240" class="LineNr"> 240 </span> at-right?:bool <span class="Special"><-</span> greater-or-equal cursor-column, screen-width +<span id="L241" class="LineNr"> 241 </span> <span class="muControl">break-if</span> at-right? +<span id="L242" class="LineNr"> 242 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy before-cursor +<span id="L243" class="LineNr"> 243 </span> move-cursor screen, save-row, save-column +<span id="L244" class="LineNr"> 244 </span> curr-column:num <span class="Special"><-</span> copy save-column +<span id="L245" class="LineNr"> 245 </span> <span class="Delimiter">{</span> +<span id="L246" class="LineNr"> 246 </span> <span class="Comment"># hit right margin? give up and let caller render</span> +<span id="L247" class="LineNr"> 247 </span> at-right?:bool <span class="Special"><-</span> greater-than curr-column, right +<span id="L248" class="LineNr"> 248 </span> <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span> +<span id="L249" class="LineNr"> 249 </span> <span class="muControl">break-unless</span> curr +<span id="L250" class="LineNr"> 250 </span> <span class="Comment"># newline? done.</span> +<span id="L251" class="LineNr"> 251 </span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L252" class="LineNr"> 252 </span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> +<span id="L253" class="LineNr"> 253 </span> <span class="muControl">break-if</span> at-newline? +<span id="L254" class="LineNr"> 254 </span> print screen, currc +<span id="L255" class="LineNr"> 255 </span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> +<span id="L256" class="LineNr"> 256 </span> curr <span class="Special"><-</span> next curr +<span id="L257" class="LineNr"> 257 </span> <span class="muControl"> loop</span> +<span id="L258" class="LineNr"> 258 </span> <span class="Delimiter">}</span> +<span id="L259" class="LineNr"> 259 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L260" class="LineNr"> 260 </span> <span class="Delimiter">}</span> <span id="L261" class="LineNr"> 261 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L262" class="LineNr"> 262 </span>] <span id="L263" class="LineNr"> 263 </span> <span id="L264" class="LineNr"> 264 </span><span class="Comment"># helper for tests</span> -<span id="L265" class="LineNr"> 265 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor [ +<span id="L265" class="LineNr"> 265 </span><span class="muRecipe">def</span> editor-render screen:&:screen, editor:&:editor<span class="muRecipe"> -> </span>screen:&:screen, editor:&:editor [ <span id="L266" class="LineNr"> 266 </span> <span class="Constant">local-scope</span> <span id="L267" class="LineNr"> 267 </span> <span class="Constant">load-inputs</span> -<span id="L268" class="LineNr"> 268 </span> old-top-idx:num <span class="Special"><-</span> <a href='../081print.mu.html#L509'>save-top-idx</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L268" class="LineNr"> 268 </span> old-top-idx:num <span class="Special"><-</span> save-top-idx screen <span id="L269" class="LineNr"> 269 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L270" class="LineNr"> 270 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L271" class="LineNr"> 271 </span> row:num, column:num <span class="Special"><-</span> <a href='001-editor.mu.html#L107'>render</a> <a href='../081print.mu.html#L16'>screen</a>, editor -<span id="L272" class="LineNr"> 272 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right +<span id="L271" class="LineNr"> 271 </span> row:num, column:num <span class="Special"><-</span> render screen, editor +<span id="L272" class="LineNr"> 272 </span> clear-line-until screen, right <span id="L273" class="LineNr"> 273 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L274" class="LineNr"> 274 </span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right, <span class="Constant">9480/horizontal-dotted</span> +<span id="L274" class="LineNr"> 274 </span> draw-horizontal screen, row, left, right, <span class="Constant">9480/horizontal-dotted</span> <span id="L275" class="LineNr"> 275 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L276" class="LineNr"> 276 </span> <a href='001-editor.mu.html#L207'>clear-screen-from</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, left, right -<span id="L277" class="LineNr"> 277 </span> <a href='../081print.mu.html#L515'>assert-no-scroll</a> <a href='../081print.mu.html#L16'>screen</a>, old-top-idx +<span id="L276" class="LineNr"> 276 </span> clear-screen-from screen, row, left, left, right +<span id="L277" class="LineNr"> 277 </span> assert-no-scroll screen, old-top-idx <span id="L278" class="LineNr"> 278 </span>] <span id="L279" class="LineNr"> 279 </span> <span id="L280" class="LineNr"> 280 </span><span class="muScenario">scenario</span> editor-handles-empty-event-queue [ <span id="L281" class="LineNr"> 281 </span> <span class="Constant">local-scope</span> <span id="L282" class="LineNr"> 282 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L283" class="LineNr"> 283 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L284" class="LineNr"> 284 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L283" class="LineNr"> 283 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L284" class="LineNr"> 284 </span> editor-render screen, e <span id="L285" class="LineNr"> 285 </span> assume-console <span class="Constant">[]</span> <span id="L286" class="LineNr"> 286 </span> run [ -<span id="L287" class="LineNr"> 287 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L287" class="LineNr"> 287 </span> editor-event-loop screen, console, e <span id="L288" class="LineNr"> 288 </span> ] <span id="L289" class="LineNr"> 289 </span> screen-should-contain [ -<span id="L290" class="LineNr"> 290 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L291" class="LineNr"> 291 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L292" class="LineNr"> 292 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L293" class="LineNr"> 293 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L290" class="LineNr"> 290 </span> <span class="Constant"> . .</span> +<span id="L291" class="LineNr"> 291 </span> <span class="Constant"> .abc .</span> +<span id="L292" class="LineNr"> 292 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L293" class="LineNr"> 293 </span> <span class="Constant"> . .</span> <span id="L294" class="LineNr"> 294 </span> ] <span id="L295" class="LineNr"> 295 </span>] <span id="L296" class="LineNr"> 296 </span> <span id="L297" class="LineNr"> 297 </span><span class="muScenario">scenario</span> editor-handles-mouse-clicks [ <span id="L298" class="LineNr"> 298 </span> <span class="Constant">local-scope</span> <span id="L299" class="LineNr"> 299 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L300" class="LineNr"> 300 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L301" class="LineNr"> 301 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L300" class="LineNr"> 300 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L301" class="LineNr"> 301 </span> editor-render screen, e <span id="L302" class="LineNr"> 302 </span> $clear-trace <span id="L303" class="LineNr"> 303 </span> assume-console [ -<span id="L304" class="LineNr"> 304 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> <span class="Comment"># on the 'b'</span> +<span id="L304" class="LineNr"> 304 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> <span class="Comment"># on the 'b'</span> <span id="L305" class="LineNr"> 305 </span> ] <span id="L306" class="LineNr"> 306 </span> run [ -<span id="L307" class="LineNr"> 307 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L308" class="LineNr"> 308 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L309" class="LineNr"> 309 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L307" class="LineNr"> 307 </span> editor-event-loop screen, console, e +<span id="L308" class="LineNr"> 308 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L309" class="LineNr"> 309 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L310" class="LineNr"> 310 </span> ] <span id="L311" class="LineNr"> 311 </span> screen-should-contain [ -<span id="L312" class="LineNr"> 312 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L313" class="LineNr"> 313 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L314" class="LineNr"> 314 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L315" class="LineNr"> 315 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L312" class="LineNr"> 312 </span> <span class="Constant"> . .</span> +<span id="L313" class="LineNr"> 313 </span> <span class="Constant"> .abc .</span> +<span id="L314" class="LineNr"> 314 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L315" class="LineNr"> 315 </span> <span class="Constant"> . .</span> <span id="L316" class="LineNr"> 316 </span> ] <span id="L317" class="LineNr"> 317 </span> memory-should-contain [ -<span id="L318" class="LineNr"> 318 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor is at row 0..</span> -<span id="L319" class="LineNr"> 319 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># ..and column 1</span> +<span id="L318" class="LineNr"> 318 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor is at row 0..</span> +<span id="L319" class="LineNr"> 319 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># ..and column 1</span> <span id="L320" class="LineNr"> 320 </span> ] <span id="L321" class="LineNr"> 321 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L322" class="LineNr"> 322 </span>] @@ -387,19 +386,19 @@ if ('onhashchange' in window) { <span id="L324" class="LineNr"> 324 </span><span class="muScenario">scenario</span> editor-handles-mouse-clicks-outside-text [ <span id="L325" class="LineNr"> 325 </span> <span class="Constant">local-scope</span> <span id="L326" class="LineNr"> 326 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L327" class="LineNr"> 327 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L327" class="LineNr"> 327 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L328" class="LineNr"> 328 </span> $clear-trace <span id="L329" class="LineNr"> 329 </span> assume-console [ -<span id="L330" class="LineNr"> 330 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> <span class="Comment"># last line, to the right of text</span> +<span id="L330" class="LineNr"> 330 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> <span class="Comment"># last line, to the right of text</span> <span id="L331" class="LineNr"> 331 </span> ] <span id="L332" class="LineNr"> 332 </span> run [ -<span id="L333" class="LineNr"> 333 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L334" class="LineNr"> 334 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L335" class="LineNr"> 335 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L333" class="LineNr"> 333 </span> editor-event-loop screen, console, e +<span id="L334" class="LineNr"> 334 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L335" class="LineNr"> 335 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L336" class="LineNr"> 336 </span> ] <span id="L337" class="LineNr"> 337 </span> memory-should-contain [ -<span id="L338" class="LineNr"> 338 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> -<span id="L339" class="LineNr"> 339 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> +<span id="L338" class="LineNr"> 338 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> +<span id="L339" class="LineNr"> 339 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> <span id="L340" class="LineNr"> 340 </span> ] <span id="L341" class="LineNr"> 341 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L342" class="LineNr"> 342 </span>] @@ -409,19 +408,19 @@ if ('onhashchange' in window) { <span id="L346" class="LineNr"> 346 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L347" class="LineNr"> 347 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L348" class="LineNr"> 348 </span><span class="Constant">def]</span> -<span id="L349" class="LineNr"> 349 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L349" class="LineNr"> 349 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L350" class="LineNr"> 350 </span> $clear-trace <span id="L351" class="LineNr"> 351 </span> assume-console [ -<span id="L352" class="LineNr"> 352 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> <span class="Comment"># interior line, to the right of text</span> +<span id="L352" class="LineNr"> 352 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> <span class="Comment"># interior line, to the right of text</span> <span id="L353" class="LineNr"> 353 </span> ] <span id="L354" class="LineNr"> 354 </span> run [ -<span id="L355" class="LineNr"> 355 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L356" class="LineNr"> 356 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L357" class="LineNr"> 357 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L355" class="LineNr"> 355 </span> editor-event-loop screen, console, e +<span id="L356" class="LineNr"> 356 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L357" class="LineNr"> 357 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L358" class="LineNr"> 358 </span> ] <span id="L359" class="LineNr"> 359 </span> memory-should-contain [ -<span id="L360" class="LineNr"> 360 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> -<span id="L361" class="LineNr"> 361 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> +<span id="L360" class="LineNr"> 360 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor row</span> +<span id="L361" class="LineNr"> 361 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> <span id="L362" class="LineNr"> 362 </span> ] <span id="L363" class="LineNr"> 363 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L364" class="LineNr"> 364 </span>] @@ -431,19 +430,19 @@ if ('onhashchange' in window) { <span id="L368" class="LineNr"> 368 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L369" class="LineNr"> 369 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L370" class="LineNr"> 370 </span><span class="Constant">def]</span> -<span id="L371" class="LineNr"> 371 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L371" class="LineNr"> 371 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L372" class="LineNr"> 372 </span> $clear-trace <span id="L373" class="LineNr"> 373 </span> assume-console [ -<span id="L374" class="LineNr"> 374 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 7</span> <span class="Comment"># below text</span> +<span id="L374" class="LineNr"> 374 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 7</span> <span class="Comment"># below text</span> <span id="L375" class="LineNr"> 375 </span> ] <span id="L376" class="LineNr"> 376 </span> run [ -<span id="L377" class="LineNr"> 377 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L378" class="LineNr"> 378 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L379" class="LineNr"> 379 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L377" class="LineNr"> 377 </span> editor-event-loop screen, console, e +<span id="L378" class="LineNr"> 378 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L379" class="LineNr"> 379 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L380" class="LineNr"> 380 </span> ] <span id="L381" class="LineNr"> 381 </span> memory-should-contain [ -<span id="L382" class="LineNr"> 382 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor row</span> -<span id="L383" class="LineNr"> 383 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> +<span id="L382" class="LineNr"> 382 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor row</span> +<span id="L383" class="LineNr"> 383 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> <span id="L384" class="LineNr"> 384 </span> ] <span id="L385" class="LineNr"> 385 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L386" class="LineNr"> 386 </span>] @@ -452,27 +451,27 @@ if ('onhashchange' in window) { <span id="L389" class="LineNr"> 389 </span> <span class="Constant">local-scope</span> <span id="L390" class="LineNr"> 390 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L391" class="LineNr"> 391 </span> <span class="Comment"># editor occupies only left half of screen</span> -<span id="L392" class="LineNr"> 392 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L393" class="LineNr"> 393 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L392" class="LineNr"> 392 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L393" class="LineNr"> 393 </span> editor-render screen, e <span id="L394" class="LineNr"> 394 </span> $clear-trace <span id="L395" class="LineNr"> 395 </span> assume-console [ -<span id="L396" class="LineNr"> 396 </span> <span class="Conceal">¦</span> <span class="Comment"># click on right half of screen</span> -<span id="L397" class="LineNr"> 397 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 8</span> +<span id="L396" class="LineNr"> 396 </span> <span class="Comment"># click on right half of screen</span> +<span id="L397" class="LineNr"> 397 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 8</span> <span id="L398" class="LineNr"> 398 </span> ] <span id="L399" class="LineNr"> 399 </span> run [ -<span id="L400" class="LineNr"> 400 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L401" class="LineNr"> 401 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L402" class="LineNr"> 402 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L400" class="LineNr"> 400 </span> editor-event-loop screen, console, e +<span id="L401" class="LineNr"> 401 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L402" class="LineNr"> 402 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L403" class="LineNr"> 403 </span> ] <span id="L404" class="LineNr"> 404 </span> screen-should-contain [ -<span id="L405" class="LineNr"> 405 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L406" class="LineNr"> 406 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L407" class="LineNr"> 407 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L408" class="LineNr"> 408 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L405" class="LineNr"> 405 </span> <span class="Constant"> . .</span> +<span id="L406" class="LineNr"> 406 </span> <span class="Constant"> .abc .</span> +<span id="L407" class="LineNr"> 407 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L408" class="LineNr"> 408 </span> <span class="Constant"> . .</span> <span id="L409" class="LineNr"> 409 </span> ] <span id="L410" class="LineNr"> 410 </span> memory-should-contain [ -<span id="L411" class="LineNr"> 411 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># no change to cursor row</span> -<span id="L412" class="LineNr"> 412 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># ..or column</span> +<span id="L411" class="LineNr"> 411 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># no change to cursor row</span> +<span id="L412" class="LineNr"> 412 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># ..or column</span> <span id="L413" class="LineNr"> 413 </span> ] <span id="L414" class="LineNr"> 414 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L415" class="LineNr"> 415 </span>] @@ -480,42 +479,42 @@ if ('onhashchange' in window) { <span id="L417" class="LineNr"> 417 </span><span class="muScenario">scenario</span> editor-handles-mouse-clicks-in-menu-area [ <span id="L418" class="LineNr"> 418 </span> <span class="Constant">local-scope</span> <span id="L419" class="LineNr"> 419 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L420" class="LineNr"> 420 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L421" class="LineNr"> 421 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L420" class="LineNr"> 420 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L421" class="LineNr"> 421 </span> editor-render screen, e <span id="L422" class="LineNr"> 422 </span> $clear-trace <span id="L423" class="LineNr"> 423 </span> assume-console [ -<span id="L424" class="LineNr"> 424 </span> <span class="Conceal">¦</span> <span class="Comment"># click on first, 'menu' row</span> -<span id="L425" class="LineNr"> 425 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 0</span>,<span class="Constant"> 3</span> +<span id="L424" class="LineNr"> 424 </span> <span class="Comment"># click on first, 'menu' row</span> +<span id="L425" class="LineNr"> 425 </span> left-click<span class="Constant"> 0</span>,<span class="Constant"> 3</span> <span id="L426" class="LineNr"> 426 </span> ] <span id="L427" class="LineNr"> 427 </span> run [ -<span id="L428" class="LineNr"> 428 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L429" class="LineNr"> 429 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L430" class="LineNr"> 430 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L428" class="LineNr"> 428 </span> editor-event-loop screen, console, e +<span id="L429" class="LineNr"> 429 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L430" class="LineNr"> 430 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L431" class="LineNr"> 431 </span> ] <span id="L432" class="LineNr"> 432 </span> <span class="Comment"># no change to cursor</span> <span id="L433" class="LineNr"> 433 </span> memory-should-contain [ -<span id="L434" class="LineNr"> 434 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L435" class="LineNr"> 435 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L434" class="LineNr"> 434 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L435" class="LineNr"> 435 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L436" class="LineNr"> 436 </span> ] <span id="L437" class="LineNr"> 437 </span>] <span id="L438" class="LineNr"> 438 </span> <span id="L439" class="LineNr"> 439 </span><span class="muScenario">scenario</span> editor-inserts-characters-into-empty-editor [ <span id="L440" class="LineNr"> 440 </span> <span class="Constant">local-scope</span> <span id="L441" class="LineNr"> 441 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L442" class="LineNr"> 442 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L443" class="LineNr"> 443 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L442" class="LineNr"> 442 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L443" class="LineNr"> 443 </span> editor-render screen, e <span id="L444" class="LineNr"> 444 </span> $clear-trace <span id="L445" class="LineNr"> 445 </span> assume-console [ -<span id="L446" class="LineNr"> 446 </span> <span class="Conceal">¦</span> type <span class="Constant">[abc]</span> +<span id="L446" class="LineNr"> 446 </span> type <span class="Constant">[abc]</span> <span id="L447" class="LineNr"> 447 </span> ] <span id="L448" class="LineNr"> 448 </span> run [ -<span id="L449" class="LineNr"> 449 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L449" class="LineNr"> 449 </span> editor-event-loop screen, console, e <span id="L450" class="LineNr"> 450 </span> ] <span id="L451" class="LineNr"> 451 </span> screen-should-contain [ -<span id="L452" class="LineNr"> 452 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L453" class="LineNr"> 453 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L454" class="LineNr"> 454 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L455" class="LineNr"> 455 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L452" class="LineNr"> 452 </span> <span class="Constant"> . .</span> +<span id="L453" class="LineNr"> 453 </span> <span class="Constant"> .abc .</span> +<span id="L454" class="LineNr"> 454 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L455" class="LineNr"> 455 </span> <span class="Constant"> . .</span> <span id="L456" class="LineNr"> 456 </span> ] <span id="L457" class="LineNr"> 457 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span id="L458" class="LineNr"> 458 </span>] @@ -523,23 +522,23 @@ if ('onhashchange' in window) { <span id="L460" class="LineNr"> 460 </span><span class="muScenario">scenario</span> editor-inserts-characters-at-cursor [ <span id="L461" class="LineNr"> 461 </span> <span class="Constant">local-scope</span> <span id="L462" class="LineNr"> 462 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L463" class="LineNr"> 463 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L464" class="LineNr"> 464 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L463" class="LineNr"> 463 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L464" class="LineNr"> 464 </span> editor-render screen, e <span id="L465" class="LineNr"> 465 </span> $clear-trace <span id="L466" class="LineNr"> 466 </span> <span class="Comment"># type two letters at different places</span> <span id="L467" class="LineNr"> 467 </span> assume-console [ -<span id="L468" class="LineNr"> 468 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> -<span id="L469" class="LineNr"> 469 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<span id="L470" class="LineNr"> 470 </span> <span class="Conceal">¦</span> type <span class="Constant">[d]</span> +<span id="L468" class="LineNr"> 468 </span> type <span class="Constant">[0]</span> +<span id="L469" class="LineNr"> 469 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L470" class="LineNr"> 470 </span> type <span class="Constant">[d]</span> <span id="L471" class="LineNr"> 471 </span> ] <span id="L472" class="LineNr"> 472 </span> run [ -<span id="L473" class="LineNr"> 473 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L473" class="LineNr"> 473 </span> editor-event-loop screen, console, e <span id="L474" class="LineNr"> 474 </span> ] <span id="L475" class="LineNr"> 475 </span> screen-should-contain [ -<span id="L476" class="LineNr"> 476 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L477" class="LineNr"> 477 </span> <span class="Conceal">¦</span><span class="Constant"> .0adbc .</span> -<span id="L478" class="LineNr"> 478 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L479" class="LineNr"> 479 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L476" class="LineNr"> 476 </span> <span class="Constant"> . .</span> +<span id="L477" class="LineNr"> 477 </span> <span class="Constant"> .0adbc .</span> +<span id="L478" class="LineNr"> 478 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L479" class="LineNr"> 479 </span> <span class="Constant"> . .</span> <span id="L480" class="LineNr"> 480 </span> ] <span id="L481" class="LineNr"> 481 </span> check-trace-count-for-label<span class="Constant"> 7</span>, <span class="Constant">[print-character]</span> <span class="Comment"># 4 for first letter, 3 for second</span> <span id="L482" class="LineNr"> 482 </span>] @@ -547,21 +546,21 @@ if ('onhashchange' in window) { <span id="L484" class="LineNr"> 484 </span><span class="muScenario">scenario</span> editor-inserts-characters-at-cursor-2 [ <span id="L485" class="LineNr"> 485 </span> <span class="Constant">local-scope</span> <span id="L486" class="LineNr"> 486 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L487" class="LineNr"> 487 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L488" class="LineNr"> 488 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L487" class="LineNr"> 487 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L488" class="LineNr"> 488 </span> editor-render screen, e <span id="L489" class="LineNr"> 489 </span> $clear-trace <span id="L490" class="LineNr"> 490 </span> assume-console [ -<span id="L491" class="LineNr"> 491 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 5</span> <span class="Comment"># right of last line</span> -<span id="L492" class="LineNr"> 492 </span> <span class="Conceal">¦</span> type <span class="Constant">[d]</span> +<span id="L491" class="LineNr"> 491 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 5</span> <span class="Comment"># right of last line</span> +<span id="L492" class="LineNr"> 492 </span> type <span class="Constant">[d]</span> <span id="L493" class="LineNr"> 493 </span> ] <span id="L494" class="LineNr"> 494 </span> run [ -<span id="L495" class="LineNr"> 495 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L495" class="LineNr"> 495 </span> editor-event-loop screen, console, e <span id="L496" class="LineNr"> 496 </span> ] <span id="L497" class="LineNr"> 497 </span> screen-should-contain [ -<span id="L498" class="LineNr"> 498 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L499" class="LineNr"> 499 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd .</span> -<span id="L500" class="LineNr"> 500 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L501" class="LineNr"> 501 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L498" class="LineNr"> 498 </span> <span class="Constant"> . .</span> +<span id="L499" class="LineNr"> 499 </span> <span class="Constant"> .abcd .</span> +<span id="L500" class="LineNr"> 500 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L501" class="LineNr"> 501 </span> <span class="Constant"> . .</span> <span id="L502" class="LineNr"> 502 </span> ] <span id="L503" class="LineNr"> 503 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span id="L504" class="LineNr"> 504 </span>] @@ -571,22 +570,22 @@ if ('onhashchange' in window) { <span id="L508" class="LineNr"> 508 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L509" class="LineNr"> 509 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L510" class="LineNr"> 510 </span><span class="Constant">d]</span> -<span id="L511" class="LineNr"> 511 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L512" class="LineNr"> 512 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L511" class="LineNr"> 511 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L512" class="LineNr"> 512 </span> editor-render screen, e <span id="L513" class="LineNr"> 513 </span> $clear-trace <span id="L514" class="LineNr"> 514 </span> assume-console [ -<span id="L515" class="LineNr"> 515 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 5</span> <span class="Comment"># right of non-last line</span> -<span id="L516" class="LineNr"> 516 </span> <span class="Conceal">¦</span> type <span class="Constant">[e]</span> +<span id="L515" class="LineNr"> 515 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 5</span> <span class="Comment"># right of non-last line</span> +<span id="L516" class="LineNr"> 516 </span> type <span class="Constant">[e]</span> <span id="L517" class="LineNr"> 517 </span> ] <span id="L518" class="LineNr"> 518 </span> run [ -<span id="L519" class="LineNr"> 519 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L519" class="LineNr"> 519 </span> editor-event-loop screen, console, e <span id="L520" class="LineNr"> 520 </span> ] <span id="L521" class="LineNr"> 521 </span> screen-should-contain [ -<span id="L522" class="LineNr"> 522 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L523" class="LineNr"> 523 </span> <span class="Conceal">¦</span><span class="Constant"> .abce .</span> -<span id="L524" class="LineNr"> 524 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L525" class="LineNr"> 525 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L526" class="LineNr"> 526 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L522" class="LineNr"> 522 </span> <span class="Constant"> . .</span> +<span id="L523" class="LineNr"> 523 </span> <span class="Constant"> .abce .</span> +<span id="L524" class="LineNr"> 524 </span> <span class="Constant"> .d .</span> +<span id="L525" class="LineNr"> 525 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L526" class="LineNr"> 526 </span> <span class="Constant"> . .</span> <span id="L527" class="LineNr"> 527 </span> ] <span id="L528" class="LineNr"> 528 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span id="L529" class="LineNr"> 529 </span>] @@ -594,21 +593,21 @@ if ('onhashchange' in window) { <span id="L531" class="LineNr"> 531 </span><span class="muScenario">scenario</span> editor-inserts-characters-at-cursor-3 [ <span id="L532" class="LineNr"> 532 </span> <span class="Constant">local-scope</span> <span id="L533" class="LineNr"> 533 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L534" class="LineNr"> 534 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L535" class="LineNr"> 535 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L534" class="LineNr"> 534 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L535" class="LineNr"> 535 </span> editor-render screen, e <span id="L536" class="LineNr"> 536 </span> $clear-trace <span id="L537" class="LineNr"> 537 </span> assume-console [ -<span id="L538" class="LineNr"> 538 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 5</span> <span class="Comment"># below all text</span> -<span id="L539" class="LineNr"> 539 </span> <span class="Conceal">¦</span> type <span class="Constant">[d]</span> +<span id="L538" class="LineNr"> 538 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 5</span> <span class="Comment"># below all text</span> +<span id="L539" class="LineNr"> 539 </span> type <span class="Constant">[d]</span> <span id="L540" class="LineNr"> 540 </span> ] <span id="L541" class="LineNr"> 541 </span> run [ -<span id="L542" class="LineNr"> 542 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L542" class="LineNr"> 542 </span> editor-event-loop screen, console, e <span id="L543" class="LineNr"> 543 </span> ] <span id="L544" class="LineNr"> 544 </span> screen-should-contain [ -<span id="L545" class="LineNr"> 545 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L546" class="LineNr"> 546 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd .</span> -<span id="L547" class="LineNr"> 547 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L548" class="LineNr"> 548 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L545" class="LineNr"> 545 </span> <span class="Constant"> . .</span> +<span id="L546" class="LineNr"> 546 </span> <span class="Constant"> .abcd .</span> +<span id="L547" class="LineNr"> 547 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L548" class="LineNr"> 548 </span> <span class="Constant"> . .</span> <span id="L549" class="LineNr"> 549 </span> ] <span id="L550" class="LineNr"> 550 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span id="L551" class="LineNr"> 551 </span>] @@ -618,22 +617,22 @@ if ('onhashchange' in window) { <span id="L555" class="LineNr"> 555 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L556" class="LineNr"> 556 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L557" class="LineNr"> 557 </span><span class="Constant">d]</span> -<span id="L558" class="LineNr"> 558 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L559" class="LineNr"> 559 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L558" class="LineNr"> 558 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L559" class="LineNr"> 559 </span> editor-render screen, e <span id="L560" class="LineNr"> 560 </span> $clear-trace <span id="L561" class="LineNr"> 561 </span> assume-console [ -<span id="L562" class="LineNr"> 562 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 5</span> <span class="Comment"># below all text</span> -<span id="L563" class="LineNr"> 563 </span> <span class="Conceal">¦</span> type <span class="Constant">[e]</span> +<span id="L562" class="LineNr"> 562 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 5</span> <span class="Comment"># below all text</span> +<span id="L563" class="LineNr"> 563 </span> type <span class="Constant">[e]</span> <span id="L564" class="LineNr"> 564 </span> ] <span id="L565" class="LineNr"> 565 </span> run [ -<span id="L566" class="LineNr"> 566 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L566" class="LineNr"> 566 </span> editor-event-loop screen, console, e <span id="L567" class="LineNr"> 567 </span> ] <span id="L568" class="LineNr"> 568 </span> screen-should-contain [ -<span id="L569" class="LineNr"> 569 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L570" class="LineNr"> 570 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L571" class="LineNr"> 571 </span> <span class="Conceal">¦</span><span class="Constant"> .de .</span> -<span id="L572" class="LineNr"> 572 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L573" class="LineNr"> 573 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L569" class="LineNr"> 569 </span> <span class="Constant"> . .</span> +<span id="L570" class="LineNr"> 570 </span> <span class="Constant"> .abc .</span> +<span id="L571" class="LineNr"> 571 </span> <span class="Constant"> .de .</span> +<span id="L572" class="LineNr"> 572 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L573" class="LineNr"> 573 </span> <span class="Constant"> . .</span> <span id="L574" class="LineNr"> 574 </span> ] <span id="L575" class="LineNr"> 575 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span id="L576" class="LineNr"> 576 </span>] @@ -643,22 +642,22 @@ if ('onhashchange' in window) { <span id="L580" class="LineNr"> 580 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L581" class="LineNr"> 581 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L582" class="LineNr"> 582 </span><span class="Constant">d]</span> -<span id="L583" class="LineNr"> 583 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L584" class="LineNr"> 584 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L583" class="LineNr"> 583 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L584" class="LineNr"> 584 </span> editor-render screen, e <span id="L585" class="LineNr"> 585 </span> $clear-trace <span id="L586" class="LineNr"> 586 </span> assume-console [ -<span id="L587" class="LineNr"> 587 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 5</span> <span class="Comment"># below all text</span> -<span id="L588" class="LineNr"> 588 </span> <span class="Conceal">¦</span> type <span class="Constant">[ef]</span> +<span id="L587" class="LineNr"> 587 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 5</span> <span class="Comment"># below all text</span> +<span id="L588" class="LineNr"> 588 </span> type <span class="Constant">[ef]</span> <span id="L589" class="LineNr"> 589 </span> ] <span id="L590" class="LineNr"> 590 </span> run [ -<span id="L591" class="LineNr"> 591 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L591" class="LineNr"> 591 </span> editor-event-loop screen, console, e <span id="L592" class="LineNr"> 592 </span> ] <span id="L593" class="LineNr"> 593 </span> screen-should-contain [ -<span id="L594" class="LineNr"> 594 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L595" class="LineNr"> 595 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L596" class="LineNr"> 596 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L597" class="LineNr"> 597 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L598" class="LineNr"> 598 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L594" class="LineNr"> 594 </span> <span class="Constant"> . .</span> +<span id="L595" class="LineNr"> 595 </span> <span class="Constant"> .abc .</span> +<span id="L596" class="LineNr"> 596 </span> <span class="Constant"> .def .</span> +<span id="L597" class="LineNr"> 597 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L598" class="LineNr"> 598 </span> <span class="Constant"> . .</span> <span id="L599" class="LineNr"> 599 </span> ] <span id="L600" class="LineNr"> 600 </span> check-trace-count-for-label<span class="Constant"> 2</span>, <span class="Constant">[print-character]</span> <span id="L601" class="LineNr"> 601 </span>] @@ -666,19 +665,19 @@ if ('onhashchange' in window) { <span id="L603" class="LineNr"> 603 </span><span class="muScenario">scenario</span> editor-moves-cursor-after-inserting-characters [ <span id="L604" class="LineNr"> 604 </span> <span class="Constant">local-scope</span> <span id="L605" class="LineNr"> 605 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L606" class="LineNr"> 606 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L607" class="LineNr"> 607 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L606" class="LineNr"> 606 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L607" class="LineNr"> 607 </span> editor-render screen, e <span id="L608" class="LineNr"> 608 </span> assume-console [ -<span id="L609" class="LineNr"> 609 </span> <span class="Conceal">¦</span> type <span class="Constant">[01]</span> +<span id="L609" class="LineNr"> 609 </span> type <span class="Constant">[01]</span> <span id="L610" class="LineNr"> 610 </span> ] <span id="L611" class="LineNr"> 611 </span> run [ -<span id="L612" class="LineNr"> 612 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L612" class="LineNr"> 612 </span> editor-event-loop screen, console, e <span id="L613" class="LineNr"> 613 </span> ] <span id="L614" class="LineNr"> 614 </span> screen-should-contain [ -<span id="L615" class="LineNr"> 615 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L616" class="LineNr"> 616 </span> <span class="Conceal">¦</span><span class="Constant"> .01ab .</span> -<span id="L617" class="LineNr"> 617 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L618" class="LineNr"> 618 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L615" class="LineNr"> 615 </span> <span class="Constant"> . .</span> +<span id="L616" class="LineNr"> 616 </span> <span class="Constant"> .01ab .</span> +<span id="L617" class="LineNr"> 617 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L618" class="LineNr"> 618 </span> <span class="Constant"> . .</span> <span id="L619" class="LineNr"> 619 </span> ] <span id="L620" class="LineNr"> 620 </span>] <span id="L621" class="LineNr"> 621 </span> @@ -687,37 +686,37 @@ if ('onhashchange' in window) { <span id="L624" class="LineNr"> 624 </span><span class="muScenario">scenario</span> editor-wraps-line-on-insert [ <span id="L625" class="LineNr"> 625 </span> <span class="Constant">local-scope</span> <span id="L626" class="LineNr"> 626 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> -<span id="L627" class="LineNr"> 627 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L628" class="LineNr"> 628 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L627" class="LineNr"> 627 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L628" class="LineNr"> 628 </span> editor-render screen, e <span id="L629" class="LineNr"> 629 </span> <span class="Comment"># type a letter</span> <span id="L630" class="LineNr"> 630 </span> assume-console [ -<span id="L631" class="LineNr"> 631 </span> <span class="Conceal">¦</span> type <span class="Constant">[e]</span> +<span id="L631" class="LineNr"> 631 </span> type <span class="Constant">[e]</span> <span id="L632" class="LineNr"> 632 </span> ] <span id="L633" class="LineNr"> 633 </span> run [ -<span id="L634" class="LineNr"> 634 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L634" class="LineNr"> 634 </span> editor-event-loop screen, console, e <span id="L635" class="LineNr"> 635 </span> ] <span id="L636" class="LineNr"> 636 </span> <span class="Comment"># no wrap yet</span> <span id="L637" class="LineNr"> 637 </span> screen-should-contain [ -<span id="L638" class="LineNr"> 638 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L639" class="LineNr"> 639 </span> <span class="Conceal">¦</span><span class="Constant"> .eabc .</span> -<span id="L640" class="LineNr"> 640 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌.</span> -<span id="L641" class="LineNr"> 641 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L642" class="LineNr"> 642 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L638" class="LineNr"> 638 </span> <span class="Constant"> . .</span> +<span id="L639" class="LineNr"> 639 </span> <span class="Constant"> .eabc .</span> +<span id="L640" class="LineNr"> 640 </span><span class="Constant"> .╌╌╌╌╌.</span> +<span id="L641" class="LineNr"> 641 </span> <span class="Constant"> . .</span> +<span id="L642" class="LineNr"> 642 </span> <span class="Constant"> . .</span> <span id="L643" class="LineNr"> 643 </span> ] <span id="L644" class="LineNr"> 644 </span> <span class="Comment"># type a second letter</span> <span id="L645" class="LineNr"> 645 </span> assume-console [ -<span id="L646" class="LineNr"> 646 </span> <span class="Conceal">¦</span> type <span class="Constant">[f]</span> +<span id="L646" class="LineNr"> 646 </span> type <span class="Constant">[f]</span> <span id="L647" class="LineNr"> 647 </span> ] <span id="L648" class="LineNr"> 648 </span> run [ -<span id="L649" class="LineNr"> 649 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L649" class="LineNr"> 649 </span> editor-event-loop screen, console, e <span id="L650" class="LineNr"> 650 </span> ] <span id="L651" class="LineNr"> 651 </span> <span class="Comment"># now wrap</span> <span id="L652" class="LineNr"> 652 </span> screen-should-contain [ -<span id="L653" class="LineNr"> 653 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L654" class="LineNr"> 654 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .efab↩.</span> -<span id="L655" class="LineNr"> 655 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L656" class="LineNr"> 656 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌.</span> -<span id="L657" class="LineNr"> 657 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L653" class="LineNr"> 653 </span> <span class="Constant"> . .</span> +<span id="L654" class="LineNr"> 654 </span><span class="Constant"> .efab↩.</span> +<span id="L655" class="LineNr"> 655 </span> <span class="Constant"> .c .</span> +<span id="L656" class="LineNr"> 656 </span><span class="Constant"> .╌╌╌╌╌.</span> +<span id="L657" class="LineNr"> 657 </span> <span class="Constant"> . .</span> <span id="L658" class="LineNr"> 658 </span> ] <span id="L659" class="LineNr"> 659 </span>] <span id="L660" class="LineNr"> 660 </span> @@ -727,106 +726,106 @@ if ('onhashchange' in window) { <span id="L664" class="LineNr"> 664 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L665" class="LineNr"> 665 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abcdefg</span> <span id="L666" class="LineNr"> 666 </span><span class="Constant">defg]</span> -<span id="L667" class="LineNr"> 667 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L668" class="LineNr"> 668 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L667" class="LineNr"> 667 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L668" class="LineNr"> 668 </span> editor-render screen, e <span id="L669" class="LineNr"> 669 </span> <span class="Comment"># type more text at the start</span> <span id="L670" class="LineNr"> 670 </span> assume-console [ -<span id="L671" class="LineNr"> 671 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L672" class="LineNr"> 672 </span> <span class="Conceal">¦</span> type <span class="Constant">[abc]</span> +<span id="L671" class="LineNr"> 671 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L672" class="LineNr"> 672 </span> type <span class="Constant">[abc]</span> <span id="L673" class="LineNr"> 673 </span> ] <span id="L674" class="LineNr"> 674 </span> run [ -<span id="L675" class="LineNr"> 675 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L676" class="LineNr"> 676 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L677" class="LineNr"> 677 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L675" class="LineNr"> 675 </span> editor-event-loop screen, console, e +<span id="L676" class="LineNr"> 676 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L677" class="LineNr"> 677 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L678" class="LineNr"> 678 </span> ] <span id="L679" class="LineNr"> 679 </span> <span class="Comment"># cursor is not wrapped</span> <span id="L680" class="LineNr"> 680 </span> memory-should-contain [ -<span id="L681" class="LineNr"> 681 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L682" class="LineNr"> 682 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L681" class="LineNr"> 681 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L682" class="LineNr"> 682 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L683" class="LineNr"> 683 </span> ] <span id="L684" class="LineNr"> 684 </span> <span class="Comment"># but line is wrapped</span> <span id="L685" class="LineNr"> 685 </span> screen-should-contain [ -<span id="L686" class="LineNr"> 686 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L687" class="LineNr"> 687 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L688" class="LineNr"> 688 </span> <span class="Conceal">¦</span><span class="Constant"> .efg .</span> -<span id="L689" class="LineNr"> 689 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L690" class="LineNr"> 690 </span> <span class="Conceal">¦</span><span class="Constant"> .efg .</span> +<span id="L686" class="LineNr"> 686 </span> <span class="Constant"> . .</span> +<span id="L687" class="LineNr"> 687 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L688" class="LineNr"> 688 </span> <span class="Constant"> .efg .</span> +<span id="L689" class="LineNr"> 689 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L690" class="LineNr"> 690 </span> <span class="Constant"> .efg .</span> <span id="L691" class="LineNr"> 691 </span> ] <span id="L692" class="LineNr"> 692 </span>] <span id="L693" class="LineNr"> 693 </span> -<span id="L694" class="LineNr"> 694 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L219'><insert-character-special-case></a></span> [ +<span id="L694" class="LineNr"> 694 </span><span class="muRecipe">after</span> <span class="Constant"><insert-character-special-case></span> [ <span id="L695" class="LineNr"> 695 </span> <span class="Comment"># if the line wraps at the cursor, move cursor to start of next row</span> <span id="L696" class="LineNr"> 696 </span> <span class="Delimiter">{</span> -<span id="L697" class="LineNr"> 697 </span> <span class="Conceal">¦</span> <span class="Comment"># if either:</span> -<span id="L698" class="LineNr"> 698 </span> <span class="Conceal">¦</span> <span class="Comment"># a) we're at the end of the line and at the column of the wrap indicator, or</span> -<span id="L699" class="LineNr"> 699 </span> <span class="Conceal">¦</span> <span class="Comment"># b) we're not at end of line and just before the column of the wrap indicator</span> -<span id="L700" class="LineNr"> 700 </span> <span class="Conceal">¦</span> wrap-column:num <span class="Special"><-</span> copy right -<span id="L701" class="LineNr"> 701 </span> <span class="Conceal">¦</span> before-wrap-column:num <span class="Special"><-</span> subtract wrap-column,<span class="Constant"> 1</span> -<span id="L702" class="LineNr"> 702 </span> <span class="Conceal">¦</span> at-wrap?:bool <span class="Special"><-</span> greater-or-equal cursor-column, wrap-column -<span id="L703" class="LineNr"> 703 </span> <span class="Conceal">¦</span> just-before-wrap?:bool <span class="Special"><-</span> greater-or-equal cursor-column, before-wrap-column -<span id="L704" class="LineNr"> 704 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L705" class="LineNr"> 705 </span> <span class="Conceal">¦</span> <span class="Comment"># at end of line? next == 0 || next.value == 10/newline</span> -<span id="L706" class="LineNr"> 706 </span> <span class="Conceal">¦</span> at-end-of-line?:bool <span class="Special"><-</span> equal <a href='../065duplex_list.mu.html#L25'>next</a>,<span class="Constant"> 0</span> -<span id="L707" class="LineNr"> 707 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L708" class="LineNr"> 708 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-end-of-line? -<span id="L709" class="LineNr"> 709 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> next-character:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> -<span id="L710" class="LineNr"> 710 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-end-of-line? <span class="Special"><-</span> equal next-character, <span class="Constant">10/newline</span> -<span id="L711" class="LineNr"> 711 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L712" class="LineNr"> 712 </span> <span class="Conceal">¦</span> <span class="Comment"># break unless ((eol? and at-wrap?) or (~eol? and just-before-wrap?))</span> -<span id="L713" class="LineNr"> 713 </span> <span class="Conceal">¦</span> move-cursor-to-next-line?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L714" class="LineNr"> 714 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L715" class="LineNr"> 715 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-end-of-line? -<span id="L716" class="LineNr"> 716 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> move-cursor-to-next-line? <span class="Special"><-</span> copy just-before-wrap? -<span id="L717" class="LineNr"> 717 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># if we're moving the cursor because it's in the middle of a wrapping</span> -<span id="L718" class="LineNr"> 718 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># line, adjust it to left-most column</span> -<span id="L719" class="LineNr"> 719 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> potential-new-cursor-column:num <span class="Special"><-</span> copy left -<span id="L720" class="LineNr"> 720 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L721" class="LineNr"> 721 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L722" class="LineNr"> 722 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-end-of-line? -<span id="L723" class="LineNr"> 723 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> move-cursor-to-next-line? <span class="Special"><-</span> copy at-wrap? -<span id="L724" class="LineNr"> 724 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># if we're moving the cursor because it's at the end of a wrapping line,</span> -<span id="L725" class="LineNr"> 725 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># adjust it to one past the left-most column to make room for the</span> -<span id="L726" class="LineNr"> 726 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># newly-inserted wrap-indicator</span> -<span id="L727" class="LineNr"> 727 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> potential-new-cursor-column:num <span class="Special"><-</span> add left, <span class="Constant">1/make-room-for-wrap-indicator</span> -<span id="L728" class="LineNr"> 728 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L729" class="LineNr"> 729 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-cursor-to-next-line? -<span id="L730" class="LineNr"> 730 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy potential-new-cursor-column -<span id="L731" class="LineNr"> 731 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L732" class="LineNr"> 732 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> -<span id="L733" class="LineNr"> 733 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L734" class="LineNr"> 734 </span> <span class="Conceal">¦</span> <span class="Comment"># if we're out of the screen, scroll down</span> -<span id="L735" class="LineNr"> 735 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L736" class="LineNr"> 736 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L737" class="LineNr"> 737 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> below-screen? -<span id="L738" class="LineNr"> 738 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <scroll-down></span> -<span id="L739" class="LineNr"> 739 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L740" class="LineNr"> 740 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L697" class="LineNr"> 697 </span> <span class="Comment"># if either:</span> +<span id="L698" class="LineNr"> 698 </span> <span class="Comment"># a) we're at the end of the line and at the column of the wrap indicator, or</span> +<span id="L699" class="LineNr"> 699 </span> <span class="Comment"># b) we're not at end of line and just before the column of the wrap indicator</span> +<span id="L700" class="LineNr"> 700 </span> wrap-column:num <span class="Special"><-</span> copy right +<span id="L701" class="LineNr"> 701 </span> before-wrap-column:num <span class="Special"><-</span> subtract wrap-column,<span class="Constant"> 1</span> +<span id="L702" class="LineNr"> 702 </span> at-wrap?:bool <span class="Special"><-</span> greater-or-equal cursor-column, wrap-column +<span id="L703" class="LineNr"> 703 </span> just-before-wrap?:bool <span class="Special"><-</span> greater-or-equal cursor-column, before-wrap-column +<span id="L704" class="LineNr"> 704 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L705" class="LineNr"> 705 </span> <span class="Comment"># at end of line? next == 0 || next.value == 10/newline</span> +<span id="L706" class="LineNr"> 706 </span> at-end-of-line?:bool <span class="Special"><-</span> equal next,<span class="Constant"> 0</span> +<span id="L707" class="LineNr"> 707 </span> <span class="Delimiter">{</span> +<span id="L708" class="LineNr"> 708 </span> <span class="muControl">break-if</span> at-end-of-line? +<span id="L709" class="LineNr"> 709 </span> next-character:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> +<span id="L710" class="LineNr"> 710 </span> at-end-of-line? <span class="Special"><-</span> equal next-character, <span class="Constant">10/newline</span> +<span id="L711" class="LineNr"> 711 </span> <span class="Delimiter">}</span> +<span id="L712" class="LineNr"> 712 </span> <span class="Comment"># break unless ((eol? and at-wrap?) or (~eol? and just-before-wrap?))</span> +<span id="L713" class="LineNr"> 713 </span> move-cursor-to-next-line?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> +<span id="L714" class="LineNr"> 714 </span> <span class="Delimiter">{</span> +<span id="L715" class="LineNr"> 715 </span> <span class="muControl">break-if</span> at-end-of-line? +<span id="L716" class="LineNr"> 716 </span> move-cursor-to-next-line? <span class="Special"><-</span> copy just-before-wrap? +<span id="L717" class="LineNr"> 717 </span> <span class="Comment"># if we're moving the cursor because it's in the middle of a wrapping</span> +<span id="L718" class="LineNr"> 718 </span> <span class="Comment"># line, adjust it to left-most column</span> +<span id="L719" class="LineNr"> 719 </span> potential-new-cursor-column:num <span class="Special"><-</span> copy left +<span id="L720" class="LineNr"> 720 </span> <span class="Delimiter">}</span> +<span id="L721" class="LineNr"> 721 </span> <span class="Delimiter">{</span> +<span id="L722" class="LineNr"> 722 </span> <span class="muControl">break-unless</span> at-end-of-line? +<span id="L723" class="LineNr"> 723 </span> move-cursor-to-next-line? <span class="Special"><-</span> copy at-wrap? +<span id="L724" class="LineNr"> 724 </span> <span class="Comment"># if we're moving the cursor because it's at the end of a wrapping line,</span> +<span id="L725" class="LineNr"> 725 </span> <span class="Comment"># adjust it to one past the left-most column to make room for the</span> +<span id="L726" class="LineNr"> 726 </span> <span class="Comment"># newly-inserted wrap-indicator</span> +<span id="L727" class="LineNr"> 727 </span> potential-new-cursor-column:num <span class="Special"><-</span> add left, <span class="Constant">1/make-room-for-wrap-indicator</span> +<span id="L728" class="LineNr"> 728 </span> <span class="Delimiter">}</span> +<span id="L729" class="LineNr"> 729 </span> <span class="muControl">break-unless</span> move-cursor-to-next-line? +<span id="L730" class="LineNr"> 730 </span> cursor-column <span class="Special"><-</span> copy potential-new-cursor-column +<span id="L731" class="LineNr"> 731 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L732" class="LineNr"> 732 </span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> +<span id="L733" class="LineNr"> 733 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L734" class="LineNr"> 734 </span> <span class="Comment"># if we're out of the screen, scroll down</span> +<span id="L735" class="LineNr"> 735 </span> <span class="Delimiter">{</span> +<span id="L736" class="LineNr"> 736 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, screen-height +<span id="L737" class="LineNr"> 737 </span> <span class="muControl">break-unless</span> below-screen? +<span id="L738" class="LineNr"> 738 </span><span class="Constant"> <scroll-down></span> +<span id="L739" class="LineNr"> 739 </span> <span class="Delimiter">}</span> +<span id="L740" class="LineNr"> 740 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L741" class="LineNr"> 741 </span> <span class="Delimiter">}</span> <span id="L742" class="LineNr"> 742 </span>] <span id="L743" class="LineNr"> 743 </span> <span id="L744" class="LineNr"> 744 </span><span class="muScenario">scenario</span> editor-wraps-cursor-after-inserting-characters-in-middle-of-line [ <span id="L745" class="LineNr"> 745 </span> <span class="Constant">local-scope</span> <span id="L746" class="LineNr"> 746 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L747" class="LineNr"> 747 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L747" class="LineNr"> 747 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L748" class="LineNr"> 748 </span> assume-console [ -<span id="L749" class="LineNr"> 749 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> <span class="Comment"># right before the wrap icon</span> -<span id="L750" class="LineNr"> 750 </span> <span class="Conceal">¦</span> type <span class="Constant">[f]</span> +<span id="L749" class="LineNr"> 749 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> <span class="Comment"># right before the wrap icon</span> +<span id="L750" class="LineNr"> 750 </span> type <span class="Constant">[f]</span> <span id="L751" class="LineNr"> 751 </span> ] <span id="L752" class="LineNr"> 752 </span> run [ -<span id="L753" class="LineNr"> 753 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L754" class="LineNr"> 754 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L755" class="LineNr"> 755 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L753" class="LineNr"> 753 </span> editor-event-loop screen, console, e +<span id="L754" class="LineNr"> 754 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L755" class="LineNr"> 755 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L756" class="LineNr"> 756 </span> ] <span id="L757" class="LineNr"> 757 </span> screen-should-contain [ -<span id="L758" class="LineNr"> 758 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L759" class="LineNr"> 759 </span> <span class="Conceal">¦</span><span class="Constant"> .abcf↩ .</span> -<span id="L760" class="LineNr"> 760 </span> <span class="Conceal">¦</span><span class="Constant"> .de .</span> -<span id="L761" class="LineNr"> 761 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L762" class="LineNr"> 762 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L758" class="LineNr"> 758 </span> <span class="Constant"> . .</span> +<span id="L759" class="LineNr"> 759 </span> <span class="Constant"> .abcf↩ .</span> +<span id="L760" class="LineNr"> 760 </span> <span class="Constant"> .de .</span> +<span id="L761" class="LineNr"> 761 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L762" class="LineNr"> 762 </span> <span class="Constant"> . .</span> <span id="L763" class="LineNr"> 763 </span> ] <span id="L764" class="LineNr"> 764 </span> memory-should-contain [ -<span id="L765" class="LineNr"> 765 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor row</span> -<span id="L766" class="LineNr"> 766 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor column</span> +<span id="L765" class="LineNr"> 765 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor row</span> +<span id="L766" class="LineNr"> 766 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor column</span> <span id="L767" class="LineNr"> 767 </span> ] <span id="L768" class="LineNr"> 768 </span>] <span id="L769" class="LineNr"> 769 </span> @@ -836,54 +835,54 @@ if ('onhashchange' in window) { <span id="L773" class="LineNr"> 773 </span> <span class="Comment"># create an editor containing two lines</span> <span id="L774" class="LineNr"> 774 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L775" class="LineNr"> 775 </span><span class="Constant">xyz]</span> -<span id="L776" class="LineNr"> 776 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L777" class="LineNr"> 777 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L776" class="LineNr"> 776 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L777" class="LineNr"> 777 </span> editor-render screen, e <span id="L778" class="LineNr"> 778 </span> screen-should-contain [ -<span id="L779" class="LineNr"> 779 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L780" class="LineNr"> 780 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L781" class="LineNr"> 781 </span> <span class="Conceal">¦</span><span class="Constant"> .xyz .</span> -<span id="L782" class="LineNr"> 782 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L783" class="LineNr"> 783 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L779" class="LineNr"> 779 </span> <span class="Constant"> . .</span> +<span id="L780" class="LineNr"> 780 </span> <span class="Constant"> .abc .</span> +<span id="L781" class="LineNr"> 781 </span> <span class="Constant"> .xyz .</span> +<span id="L782" class="LineNr"> 782 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L783" class="LineNr"> 783 </span> <span class="Constant"> . .</span> <span id="L784" class="LineNr"> 784 </span> ] <span id="L785" class="LineNr"> 785 </span> assume-console [ -<span id="L786" class="LineNr"> 786 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span> <span class="Comment"># at end of first line</span> -<span id="L787" class="LineNr"> 787 </span> <span class="Conceal">¦</span> type <span class="Constant">[de]</span> <span class="Comment"># trigger wrap</span> +<span id="L786" class="LineNr"> 786 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span> <span class="Comment"># at end of first line</span> +<span id="L787" class="LineNr"> 787 </span> type <span class="Constant">[de]</span> <span class="Comment"># trigger wrap</span> <span id="L788" class="LineNr"> 788 </span> ] <span id="L789" class="LineNr"> 789 </span> run [ -<span id="L790" class="LineNr"> 790 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L790" class="LineNr"> 790 </span> editor-event-loop screen, console, e <span id="L791" class="LineNr"> 791 </span> ] <span id="L792" class="LineNr"> 792 </span> screen-should-contain [ -<span id="L793" class="LineNr"> 793 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L794" class="LineNr"> 794 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L795" class="LineNr"> 795 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L796" class="LineNr"> 796 </span> <span class="Conceal">¦</span><span class="Constant"> .xyz .</span> -<span id="L797" class="LineNr"> 797 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L793" class="LineNr"> 793 </span> <span class="Constant"> . .</span> +<span id="L794" class="LineNr"> 794 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L795" class="LineNr"> 795 </span> <span class="Constant"> .e .</span> +<span id="L796" class="LineNr"> 796 </span> <span class="Constant"> .xyz .</span> +<span id="L797" class="LineNr"> 797 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L798" class="LineNr"> 798 </span> ] <span id="L799" class="LineNr"> 799 </span>] <span id="L800" class="LineNr"> 800 </span> <span id="L801" class="LineNr"> 801 </span><span class="muScenario">scenario</span> editor-wraps-cursor-to-left-margin [ <span id="L802" class="LineNr"> 802 </span> <span class="Constant">local-scope</span> <span id="L803" class="LineNr"> 803 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L804" class="LineNr"> 804 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcde]</span>, <span class="Constant">2/left</span>, <span class="Constant">7/right</span> +<span id="L804" class="LineNr"> 804 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">2/left</span>, <span class="Constant">7/right</span> <span id="L805" class="LineNr"> 805 </span> assume-console [ -<span id="L806" class="LineNr"> 806 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 5</span> <span class="Comment"># line is full; no wrap icon yet</span> -<span id="L807" class="LineNr"> 807 </span> <span class="Conceal">¦</span> type <span class="Constant">[01]</span> +<span id="L806" class="LineNr"> 806 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 5</span> <span class="Comment"># line is full; no wrap icon yet</span> +<span id="L807" class="LineNr"> 807 </span> type <span class="Constant">[01]</span> <span id="L808" class="LineNr"> 808 </span> ] <span id="L809" class="LineNr"> 809 </span> run [ -<span id="L810" class="LineNr"> 810 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L811" class="LineNr"> 811 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L812" class="LineNr"> 812 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L810" class="LineNr"> 810 </span> editor-event-loop screen, console, e +<span id="L811" class="LineNr"> 811 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L812" class="LineNr"> 812 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L813" class="LineNr"> 813 </span> ] <span id="L814" class="LineNr"> 814 </span> screen-should-contain [ -<span id="L815" class="LineNr"> 815 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L816" class="LineNr"> 816 </span> <span class="Conceal">¦</span><span class="Constant"> . abc0↩ .</span> -<span id="L817" class="LineNr"> 817 </span> <span class="Conceal">¦</span><span class="Constant"> . 1de .</span> -<span id="L818" class="LineNr"> 818 </span> <span class="Conceal">¦</span><span class="Constant"> . ╌╌╌╌╌ .</span> -<span id="L819" class="LineNr"> 819 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L815" class="LineNr"> 815 </span> <span class="Constant"> . .</span> +<span id="L816" class="LineNr"> 816 </span> <span class="Constant"> . abc0↩ .</span> +<span id="L817" class="LineNr"> 817 </span> <span class="Constant"> . 1de .</span> +<span id="L818" class="LineNr"> 818 </span> <span class="Constant"> . ╌╌╌╌╌ .</span> +<span id="L819" class="LineNr"> 819 </span> <span class="Constant"> . .</span> <span id="L820" class="LineNr"> 820 </span> ] <span id="L821" class="LineNr"> 821 </span> memory-should-contain [ -<span id="L822" class="LineNr"> 822 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor row</span> -<span id="L823" class="LineNr"> 823 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> +<span id="L822" class="LineNr"> 822 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor row</span> +<span id="L823" class="LineNr"> 823 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor column</span> <span id="L824" class="LineNr"> 824 </span> ] <span id="L825" class="LineNr"> 825 </span>] <span id="L826" class="LineNr"> 826 </span> @@ -893,96 +892,96 @@ if ('onhashchange' in window) { <span id="L830" class="LineNr"> 830 </span> indent?:bool <span id="L831" class="LineNr"> 831 </span>] <span id="L832" class="LineNr"> 832 </span> -<span id="L833" class="LineNr"> 833 </span><span class="muRecipe">after</span> <span class="Constant"><a href='001-editor.mu.html#L69'><editor-initialization></a></span> [ +<span id="L833" class="LineNr"> 833 </span><span class="muRecipe">after</span> <span class="Constant"><editor-initialization></span> [ <span id="L834" class="LineNr"> 834 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">indent?:offset</span>, <span class="Constant">1/true</span> <span id="L835" class="LineNr"> 835 </span>] <span id="L836" class="LineNr"> 836 </span> <span id="L837" class="LineNr"> 837 </span><span class="muScenario">scenario</span> editor-moves-cursor-down-after-inserting-newline [ <span id="L838" class="LineNr"> 838 </span> <span class="Constant">local-scope</span> <span id="L839" class="LineNr"> 839 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L840" class="LineNr"> 840 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L840" class="LineNr"> 840 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L841" class="LineNr"> 841 </span> assume-console [ -<span id="L842" class="LineNr"> 842 </span> <span class="Conceal">¦</span> type <span class="Constant">[0</span> +<span id="L842" class="LineNr"> 842 </span> type <span class="Constant">[0</span> <span id="L843" class="LineNr"> 843 </span><span class="Constant">1]</span> <span id="L844" class="LineNr"> 844 </span> ] <span id="L845" class="LineNr"> 845 </span> run [ -<span id="L846" class="LineNr"> 846 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L846" class="LineNr"> 846 </span> editor-event-loop screen, console, e <span id="L847" class="LineNr"> 847 </span> ] <span id="L848" class="LineNr"> 848 </span> screen-should-contain [ -<span id="L849" class="LineNr"> 849 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L850" class="LineNr"> 850 </span> <span class="Conceal">¦</span><span class="Constant"> .0 .</span> -<span id="L851" class="LineNr"> 851 </span> <span class="Conceal">¦</span><span class="Constant"> .1abc .</span> -<span id="L852" class="LineNr"> 852 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L853" class="LineNr"> 853 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L849" class="LineNr"> 849 </span> <span class="Constant"> . .</span> +<span id="L850" class="LineNr"> 850 </span> <span class="Constant"> .0 .</span> +<span id="L851" class="LineNr"> 851 </span> <span class="Constant"> .1abc .</span> +<span id="L852" class="LineNr"> 852 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L853" class="LineNr"> 853 </span> <span class="Constant"> . .</span> <span id="L854" class="LineNr"> 854 </span> ] <span id="L855" class="LineNr"> 855 </span>] <span id="L856" class="LineNr"> 856 </span> -<span id="L857" class="LineNr"> 857 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L857" class="LineNr"> 857 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L858" class="LineNr"> 858 </span> <span class="Delimiter">{</span> -<span id="L859" class="LineNr"> 859 </span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L860" class="LineNr"> 860 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> newline? -<span id="L861" class="LineNr"> 861 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='002-typing.mu.html#L861'><begin-insert-enter></a></span> -<span id="L862" class="LineNr"> 862 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L868'>insert-new-line-and-indent</a> editor, <a href='../081print.mu.html#L16'>screen</a> -<span id="L863" class="LineNr"> 863 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='002-typing.mu.html#L863'><end-insert-enter></a></span> -<span id="L864" class="LineNr"> 864 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L859" class="LineNr"> 859 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L860" class="LineNr"> 860 </span> <span class="muControl">break-unless</span> newline? +<span id="L861" class="LineNr"> 861 </span><span class="Constant"> <begin-insert-enter></span> +<span id="L862" class="LineNr"> 862 </span> insert-new-line-and-indent editor, screen +<span id="L863" class="LineNr"> 863 </span><span class="Constant"> <end-insert-enter></span> +<span id="L864" class="LineNr"> 864 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L865" class="LineNr"> 865 </span> <span class="Delimiter">}</span> <span id="L866" class="LineNr"> 866 </span>] <span id="L867" class="LineNr"> 867 </span> -<span id="L868" class="LineNr"> 868 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L868'>insert-new-line-and-indent</a> editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L868" class="LineNr"> 868 </span><span class="muRecipe">def</span> insert-new-line-and-indent editor:&:editor, screen:&:screen<span class="muRecipe"> -> </span>editor:&:editor, screen:&:screen [ <span id="L869" class="LineNr"> 869 </span> <span class="Constant">local-scope</span> <span id="L870" class="LineNr"> 870 </span> <span class="Constant">load-inputs</span> <span id="L871" class="LineNr"> 871 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L872" class="LineNr"> 872 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L873" class="LineNr"> 873 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L873" class="LineNr"> 873 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L874" class="LineNr"> 874 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L875" class="LineNr"> 875 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L876" class="LineNr"> 876 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L876" class="LineNr"> 876 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L877" class="LineNr"> 877 </span> <span class="Comment"># update cursor coordinates</span> -<span id="L878" class="LineNr"> 878 </span> <a href='002-typing.mu.html#L914'>at-start-of-wrapped-line?</a>:bool <span class="Special"><-</span> <a href='002-typing.mu.html#L914'>at-start-of-wrapped-line?</a> editor +<span id="L878" class="LineNr"> 878 </span> at-start-of-wrapped-line?:bool <span class="Special"><-</span> at-start-of-wrapped-line? editor <span id="L879" class="LineNr"> 879 </span> <span class="Delimiter">{</span> -<span id="L880" class="LineNr"> 880 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='002-typing.mu.html#L914'>at-start-of-wrapped-line?</a> -<span id="L881" class="LineNr"> 881 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> -<span id="L882" class="LineNr"> 882 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L880" class="LineNr"> 880 </span> <span class="muControl">break-if</span> at-start-of-wrapped-line? +<span id="L881" class="LineNr"> 881 </span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> +<span id="L882" class="LineNr"> 882 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row <span id="L883" class="LineNr"> 883 </span> <span class="Delimiter">}</span> <span id="L884" class="LineNr"> 884 </span> cursor-column <span class="Special"><-</span> copy left <span id="L885" class="LineNr"> 885 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column <span id="L886" class="LineNr"> 886 </span> <span class="Comment"># maybe scroll</span> <span id="L887" class="LineNr"> 887 </span> <span class="Delimiter">{</span> -<span id="L888" class="LineNr"> 888 </span> <span class="Conceal">¦</span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L782'>screen-height</a> <span class="Comment"># must be equal, never greater</span> -<span id="L889" class="LineNr"> 889 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> below-screen? -<span id="L890" class="LineNr"> 890 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <scroll-down></span> -<span id="L891" class="LineNr"> 891 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># bring back into screen range</span> -<span id="L892" class="LineNr"> 892 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L888" class="LineNr"> 888 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, screen-height <span class="Comment"># must be equal, never greater</span> +<span id="L889" class="LineNr"> 889 </span> <span class="muControl">break-unless</span> below-screen? +<span id="L890" class="LineNr"> 890 </span><span class="Constant"> <scroll-down></span> +<span id="L891" class="LineNr"> 891 </span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># bring back into screen range</span> +<span id="L892" class="LineNr"> 892 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row <span id="L893" class="LineNr"> 893 </span> <span class="Delimiter">}</span> <span id="L894" class="LineNr"> 894 </span> <span class="Comment"># insert newline</span> <span id="L895" class="LineNr"> 895 </span> insert <span class="Constant">10/newline</span>, before-cursor -<span id="L896" class="LineNr"> 896 </span> before-cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L896" class="LineNr"> 896 </span> before-cursor <span class="Special"><-</span> next before-cursor <span id="L897" class="LineNr"> 897 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L898" class="LineNr"> 898 </span> <span class="Comment"># indent if necessary</span> <span id="L899" class="LineNr"> 899 </span> indent?:bool <span class="Special"><-</span> get *editor, <span class="Constant">indent?:offset</span> <span id="L900" class="LineNr"> 900 </span> <span class="muControl">return-unless</span> indent? -<span id="L901" class="LineNr"> 901 </span> d:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L902" class="LineNr"> 902 </span> end-of-previous-line:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor -<span id="L903" class="LineNr"> 903 </span> indent:num <span class="Special"><-</span> <a href='002-typing.mu.html#L934'>line-indent</a> end-of-previous-line, d +<span id="L901" class="LineNr"> 901 </span> d:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L902" class="LineNr"> 902 </span> end-of-previous-line:&:duplex-list:char <span class="Special"><-</span> prev before-cursor +<span id="L903" class="LineNr"> 903 </span> indent:num <span class="Special"><-</span> line-indent end-of-previous-line, d <span id="L904" class="LineNr"> 904 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L905" class="LineNr"> 905 </span> <span class="Delimiter">{</span> -<span id="L906" class="LineNr"> 906 </span> <span class="Conceal">¦</span> indent-done?:bool <span class="Special"><-</span> greater-or-equal i, indent -<span id="L907" class="LineNr"> 907 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> indent-done? -<span id="L908" class="LineNr"> 908 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L203'>insert-at-cursor</a> editor, <span class="Constant">32/space</span>, <a href='../081print.mu.html#L16'>screen</a> -<span id="L909" class="LineNr"> 909 </span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L910" class="LineNr"> 910 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L906" class="LineNr"> 906 </span> indent-done?:bool <span class="Special"><-</span> greater-or-equal i, indent +<span id="L907" class="LineNr"> 907 </span> <span class="muControl">break-if</span> indent-done? +<span id="L908" class="LineNr"> 908 </span> insert-at-cursor editor, <span class="Constant">32/space</span>, screen +<span id="L909" class="LineNr"> 909 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L910" class="LineNr"> 910 </span> <span class="muControl"> loop</span> <span id="L911" class="LineNr"> 911 </span> <span class="Delimiter">}</span> <span id="L912" class="LineNr"> 912 </span>] <span id="L913" class="LineNr"> 913 </span> -<span id="L914" class="LineNr"> 914 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L914'>at-start-of-wrapped-line?</a> editor:&:editor<span class="muRecipe"> -> </span>result:bool [ +<span id="L914" class="LineNr"> 914 </span><span class="muRecipe">def</span> at-start-of-wrapped-line? editor:&:editor<span class="muRecipe"> -> </span>result:bool [ <span id="L915" class="LineNr"> 915 </span> <span class="Constant">local-scope</span> <span id="L916" class="LineNr"> 916 </span> <span class="Constant">load-inputs</span> <span id="L917" class="LineNr"> 917 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L918" class="LineNr"> 918 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L919" class="LineNr"> 919 </span> cursor-at-left?:bool <span class="Special"><-</span> equal cursor-column, left <span id="L920" class="LineNr"> 920 </span> <span class="muControl">return-unless</span> cursor-at-left?, <span class="Constant">0/false</span> -<span id="L921" class="LineNr"> 921 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L922" class="LineNr"> 922 </span> before-before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor +<span id="L921" class="LineNr"> 921 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L922" class="LineNr"> 922 </span> before-before-cursor:&:duplex-list:char <span class="Special"><-</span> prev before-cursor <span id="L923" class="LineNr"> 923 </span> <span class="muControl">return-unless</span> before-before-cursor, <span class="Constant">0/false</span> <span class="Comment"># cursor is at start of editor</span> <span id="L924" class="LineNr"> 924 </span> char-before-cursor:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> <span id="L925" class="LineNr"> 925 </span> cursor-after-newline?:bool <span class="Special"><-</span> equal char-before-cursor, <span class="Constant">10/newline</span> @@ -994,7 +993,7 @@ if ('onhashchange' in window) { <span id="L931" class="LineNr"> 931 </span> <span id="L932" class="LineNr"> 932 </span><span class="Comment"># takes a pointer 'curr' into the doubly-linked list and its sentinel, counts</span> <span id="L933" class="LineNr"> 933 </span><span class="Comment"># the number of spaces at the start of the line containing 'curr'.</span> -<span id="L934" class="LineNr"> 934 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L934'>line-indent</a> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char<span class="muRecipe"> -> </span>result:num [ +<span id="L934" class="LineNr"> 934 </span><span class="muRecipe">def</span> line-indent curr:&:duplex-list:char, start:&:duplex-list:char<span class="muRecipe"> -> </span>result:num [ <span id="L935" class="LineNr"> 935 </span> <span class="Constant">local-scope</span> <span id="L936" class="LineNr"> 936 </span> <span class="Constant">load-inputs</span> <span id="L937" class="LineNr"> 937 </span> result:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> @@ -1002,106 +1001,106 @@ if ('onhashchange' in window) { <span id="L939" class="LineNr"> 939 </span> at-start?:bool <span class="Special"><-</span> equal curr, start <span id="L940" class="LineNr"> 940 </span> <span class="muControl">return-if</span> at-start? <span id="L941" class="LineNr"> 941 </span> <span class="Delimiter">{</span> -<span id="L942" class="LineNr"> 942 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr -<span id="L943" class="LineNr"> 943 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L944" class="LineNr"> 944 </span> <span class="Conceal">¦</span> at-start?:bool <span class="Special"><-</span> equal curr, start -<span id="L945" class="LineNr"> 945 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-start? -<span id="L946" class="LineNr"> 946 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L947" class="LineNr"> 947 </span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L948" class="LineNr"> 948 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L949" class="LineNr"> 949 </span> <span class="Conceal">¦</span> <span class="Comment"># if c is a space, increment result</span> -<span id="L950" class="LineNr"> 950 </span> <span class="Conceal">¦</span> is-space?:bool <span class="Special"><-</span> equal c, <span class="Constant">32/space</span> -<span id="L951" class="LineNr"> 951 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L952" class="LineNr"> 952 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-space? -<span id="L953" class="LineNr"> 953 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> result <span class="Special"><-</span> add result,<span class="Constant"> 1</span> -<span id="L954" class="LineNr"> 954 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L955" class="LineNr"> 955 </span> <span class="Conceal">¦</span> <span class="Comment"># if c is not a space, reset result</span> -<span id="L956" class="LineNr"> 956 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L957" class="LineNr"> 957 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> is-space? -<span id="L958" class="LineNr"> 958 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> result <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L959" class="LineNr"> 959 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L960" class="LineNr"> 960 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L942" class="LineNr"> 942 </span> curr <span class="Special"><-</span> prev curr +<span id="L943" class="LineNr"> 943 </span> <span class="muControl">break-unless</span> curr +<span id="L944" class="LineNr"> 944 </span> at-start?:bool <span class="Special"><-</span> equal curr, start +<span id="L945" class="LineNr"> 945 </span> <span class="muControl">break-if</span> at-start? +<span id="L946" class="LineNr"> 946 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L947" class="LineNr"> 947 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L948" class="LineNr"> 948 </span> <span class="muControl">break-if</span> at-newline? +<span id="L949" class="LineNr"> 949 </span> <span class="Comment"># if c is a space, increment result</span> +<span id="L950" class="LineNr"> 950 </span> is-space?:bool <span class="Special"><-</span> equal c, <span class="Constant">32/space</span> +<span id="L951" class="LineNr"> 951 </span> <span class="Delimiter">{</span> +<span id="L952" class="LineNr"> 952 </span> <span class="muControl">break-unless</span> is-space? +<span id="L953" class="LineNr"> 953 </span> result <span class="Special"><-</span> add result,<span class="Constant"> 1</span> +<span id="L954" class="LineNr"> 954 </span> <span class="Delimiter">}</span> +<span id="L955" class="LineNr"> 955 </span> <span class="Comment"># if c is not a space, reset result</span> +<span id="L956" class="LineNr"> 956 </span> <span class="Delimiter">{</span> +<span id="L957" class="LineNr"> 957 </span> <span class="muControl">break-if</span> is-space? +<span id="L958" class="LineNr"> 958 </span> result <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L959" class="LineNr"> 959 </span> <span class="Delimiter">}</span> +<span id="L960" class="LineNr"> 960 </span> <span class="muControl"> loop</span> <span id="L961" class="LineNr"> 961 </span> <span class="Delimiter">}</span> <span id="L962" class="LineNr"> 962 </span>] <span id="L963" class="LineNr"> 963 </span> <span id="L964" class="LineNr"> 964 </span><span class="muScenario">scenario</span> editor-moves-cursor-down-after-inserting-newline-2 [ <span id="L965" class="LineNr"> 965 </span> <span class="Constant">local-scope</span> <span id="L966" class="LineNr"> 966 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L967" class="LineNr"> 967 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> +<span id="L967" class="LineNr"> 967 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> <span id="L968" class="LineNr"> 968 </span> assume-console [ -<span id="L969" class="LineNr"> 969 </span> <span class="Conceal">¦</span> type <span class="Constant">[0</span> +<span id="L969" class="LineNr"> 969 </span> type <span class="Constant">[0</span> <span id="L970" class="LineNr"> 970 </span><span class="Constant">1]</span> <span id="L971" class="LineNr"> 971 </span> ] <span id="L972" class="LineNr"> 972 </span> run [ -<span id="L973" class="LineNr"> 973 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L973" class="LineNr"> 973 </span> editor-event-loop screen, console, e <span id="L974" class="LineNr"> 974 </span> ] <span id="L975" class="LineNr"> 975 </span> screen-should-contain [ -<span id="L976" class="LineNr"> 976 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L977" class="LineNr"> 977 </span> <span class="Conceal">¦</span><span class="Constant"> . 0 .</span> -<span id="L978" class="LineNr"> 978 </span> <span class="Conceal">¦</span><span class="Constant"> . 1abc .</span> -<span id="L979" class="LineNr"> 979 </span> <span class="Conceal">¦</span><span class="Constant"> . ╌╌╌╌╌╌╌╌╌.</span> -<span id="L980" class="LineNr"> 980 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L976" class="LineNr"> 976 </span> <span class="Constant"> . .</span> +<span id="L977" class="LineNr"> 977 </span> <span class="Constant"> . 0 .</span> +<span id="L978" class="LineNr"> 978 </span> <span class="Constant"> . 1abc .</span> +<span id="L979" class="LineNr"> 979 </span> <span class="Constant"> . ╌╌╌╌╌╌╌╌╌.</span> +<span id="L980" class="LineNr"> 980 </span> <span class="Constant"> . .</span> <span id="L981" class="LineNr"> 981 </span> ] <span id="L982" class="LineNr"> 982 </span>] <span id="L983" class="LineNr"> 983 </span> <span id="L984" class="LineNr"> 984 </span><span class="muScenario">scenario</span> editor-clears-previous-line-completely-after-inserting-newline [ <span id="L985" class="LineNr"> 985 </span> <span class="Constant">local-scope</span> <span id="L986" class="LineNr"> 986 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L987" class="LineNr"> 987 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L988" class="LineNr"> 988 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L987" class="LineNr"> 987 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L988" class="LineNr"> 988 </span> editor-render screen, e <span id="L989" class="LineNr"> 989 </span> screen-should-contain [ -<span id="L990" class="LineNr"> 990 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L991" class="LineNr"> 991 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L992" class="LineNr"> 992 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L993" class="LineNr"> 993 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L994" class="LineNr"> 994 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L990" class="LineNr"> 990 </span> <span class="Constant"> . .</span> +<span id="L991" class="LineNr"> 991 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L992" class="LineNr"> 992 </span> <span class="Constant"> .e .</span> +<span id="L993" class="LineNr"> 993 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L994" class="LineNr"> 994 </span> <span class="Constant"> . .</span> <span id="L995" class="LineNr"> 995 </span> ] <span id="L996" class="LineNr"> 996 </span> assume-console [ -<span id="L997" class="LineNr"> 997 </span> <span class="Conceal">¦</span> press enter +<span id="L997" class="LineNr"> 997 </span> press enter <span id="L998" class="LineNr"> 998 </span> ] <span id="L999" class="LineNr"> 999 </span> run [ -<span id="L1000" class="LineNr">1000 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1000" class="LineNr">1000 </span> editor-event-loop screen, console, e <span id="L1001" class="LineNr">1001 </span> ] <span id="L1002" class="LineNr">1002 </span> <span class="Comment"># line should be fully cleared</span> <span id="L1003" class="LineNr">1003 </span> screen-should-contain [ -<span id="L1004" class="LineNr">1004 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1005" class="LineNr">1005 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1006" class="LineNr">1006 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L1007" class="LineNr">1007 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L1008" class="LineNr">1008 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1004" class="LineNr">1004 </span> <span class="Constant"> . .</span> +<span id="L1005" class="LineNr">1005 </span> <span class="Constant"> . .</span> +<span id="L1006" class="LineNr">1006 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L1007" class="LineNr">1007 </span> <span class="Constant"> .e .</span> +<span id="L1008" class="LineNr">1008 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L1009" class="LineNr">1009 </span> ] <span id="L1010" class="LineNr">1010 </span>] <span id="L1011" class="LineNr">1011 </span> <span id="L1012" class="LineNr">1012 </span><span class="muScenario">scenario</span> editor-splits-wrapped-line-after-inserting-newline [ <span id="L1013" class="LineNr">1013 </span> <span class="Constant">local-scope</span> <span id="L1014" class="LineNr">1014 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1015" class="LineNr">1015 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1016" class="LineNr">1016 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1015" class="LineNr">1015 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L1016" class="LineNr">1016 </span> editor-render screen, e <span id="L1017" class="LineNr">1017 </span> screen-should-contain [ -<span id="L1018" class="LineNr">1018 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1019" class="LineNr">1019 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L1020" class="LineNr">1020 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L1021" class="LineNr">1021 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L1022" class="LineNr">1022 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1018" class="LineNr">1018 </span> <span class="Constant"> . .</span> +<span id="L1019" class="LineNr">1019 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L1020" class="LineNr">1020 </span> <span class="Constant"> .ef .</span> +<span id="L1021" class="LineNr">1021 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1022" class="LineNr">1022 </span> <span class="Constant"> . .</span> <span id="L1023" class="LineNr">1023 </span> ] <span id="L1024" class="LineNr">1024 </span> assume-console [ -<span id="L1025" class="LineNr">1025 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L1026" class="LineNr">1026 </span> <span class="Conceal">¦</span> press enter +<span id="L1025" class="LineNr">1025 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L1026" class="LineNr">1026 </span> press enter <span id="L1027" class="LineNr">1027 </span> ] <span id="L1028" class="LineNr">1028 </span> run [ -<span id="L1029" class="LineNr">1029 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1030" class="LineNr">1030 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1031" class="LineNr">1031 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1029" class="LineNr">1029 </span> editor-event-loop screen, console, e +<span id="L1030" class="LineNr">1030 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1031" class="LineNr">1031 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1032" class="LineNr">1032 </span> ] <span id="L1033" class="LineNr">1033 </span> screen-should-contain [ -<span id="L1034" class="LineNr">1034 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1035" class="LineNr">1035 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd .</span> -<span id="L1036" class="LineNr">1036 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L1037" class="LineNr">1037 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1034" class="LineNr">1034 </span> <span class="Constant"> . .</span> +<span id="L1035" class="LineNr">1035 </span> <span class="Constant"> .abcd .</span> +<span id="L1036" class="LineNr">1036 </span> <span class="Constant"> .ef .</span> +<span id="L1037" class="LineNr">1037 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L1038" class="LineNr">1038 </span> ] <span id="L1039" class="LineNr">1039 </span> memory-should-contain [ -<span id="L1040" class="LineNr">1040 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor-row</span> -<span id="L1041" class="LineNr">1041 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> +<span id="L1040" class="LineNr">1040 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor-row</span> +<span id="L1041" class="LineNr">1041 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> <span id="L1042" class="LineNr">1042 </span> ] <span id="L1043" class="LineNr">1043 </span>] <span id="L1044" class="LineNr">1044 </span> @@ -1111,22 +1110,22 @@ if ('onhashchange' in window) { <span id="L1048" class="LineNr">1048 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L1049" class="LineNr">1049 </span><span class="Constant"> cd</span> <span id="L1050" class="LineNr">1050 </span><span class="Constant">ef]</span> -<span id="L1051" class="LineNr">1051 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1051" class="LineNr">1051 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L1052" class="LineNr">1052 </span> <span class="Comment"># position cursor after 'cd' and hit 'newline'</span> <span id="L1053" class="LineNr">1053 </span> assume-console [ -<span id="L1054" class="LineNr">1054 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 8</span> -<span id="L1055" class="LineNr">1055 </span> <span class="Conceal">¦</span> type [ +<span id="L1054" class="LineNr">1054 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 8</span> +<span id="L1055" class="LineNr">1055 </span> type [ <span id="L1056" class="LineNr">1056 </span>] <span id="L1057" class="LineNr">1057 </span> ] <span id="L1058" class="LineNr">1058 </span> run [ -<span id="L1059" class="LineNr">1059 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1060" class="LineNr">1060 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1061" class="LineNr">1061 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1059" class="LineNr">1059 </span> editor-event-loop screen, console, e +<span id="L1060" class="LineNr">1060 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1061" class="LineNr">1061 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1062" class="LineNr">1062 </span> ] <span id="L1063" class="LineNr">1063 </span> <span class="Comment"># cursor should be below start of previous line</span> <span id="L1064" class="LineNr">1064 </span> memory-should-contain [ -<span id="L1065" class="LineNr">1065 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor row</span> -<span id="L1066" class="LineNr">1066 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor column (indented)</span> +<span id="L1065" class="LineNr">1065 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor row</span> +<span id="L1066" class="LineNr">1066 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor column (indented)</span> <span id="L1067" class="LineNr">1067 </span> ] <span id="L1068" class="LineNr">1068 </span>] <span id="L1069" class="LineNr">1069 </span> @@ -1136,75 +1135,75 @@ if ('onhashchange' in window) { <span id="L1073" class="LineNr">1073 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L1074" class="LineNr">1074 </span><span class="Constant"> cd</span> <span id="L1075" class="LineNr">1075 </span><span class="Constant">ef]</span> -<span id="L1076" class="LineNr">1076 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1076" class="LineNr">1076 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L1077" class="LineNr">1077 </span> <span class="Comment"># position cursor after 'cd' and hit 'newline' surrounded by paste markers</span> <span id="L1078" class="LineNr">1078 </span> assume-console [ -<span id="L1079" class="LineNr">1079 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 8</span> -<span id="L1080" class="LineNr">1080 </span> <span class="Conceal">¦</span> press<span class="Constant"> 65507</span> <span class="Comment"># start paste</span> -<span id="L1081" class="LineNr">1081 </span> <span class="Conceal">¦</span> press enter -<span id="L1082" class="LineNr">1082 </span> <span class="Conceal">¦</span> press<span class="Constant"> 65506</span> <span class="Comment"># end paste</span> +<span id="L1079" class="LineNr">1079 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 8</span> +<span id="L1080" class="LineNr">1080 </span> press<span class="Constant"> 65507</span> <span class="Comment"># start paste</span> +<span id="L1081" class="LineNr">1081 </span> press enter +<span id="L1082" class="LineNr">1082 </span> press<span class="Constant"> 65506</span> <span class="Comment"># end paste</span> <span id="L1083" class="LineNr">1083 </span> ] <span id="L1084" class="LineNr">1084 </span> run [ -<span id="L1085" class="LineNr">1085 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1086" class="LineNr">1086 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1087" class="LineNr">1087 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1085" class="LineNr">1085 </span> editor-event-loop screen, console, e +<span id="L1086" class="LineNr">1086 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1087" class="LineNr">1087 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1088" class="LineNr">1088 </span> ] <span id="L1089" class="LineNr">1089 </span> <span class="Comment"># cursor should be below start of previous line</span> <span id="L1090" class="LineNr">1090 </span> memory-should-contain [ -<span id="L1091" class="LineNr">1091 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor row</span> -<span id="L1092" class="LineNr">1092 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor column (not indented)</span> +<span id="L1091" class="LineNr">1091 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor row</span> +<span id="L1092" class="LineNr">1092 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor column (not indented)</span> <span id="L1093" class="LineNr">1093 </span> ] <span id="L1094" class="LineNr">1094 </span>] <span id="L1095" class="LineNr">1095 </span> -<span id="L1096" class="LineNr">1096 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L1096" class="LineNr">1096 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L1097" class="LineNr">1097 </span> <span class="Delimiter">{</span> -<span id="L1098" class="LineNr">1098 </span> <span class="Conceal">¦</span> paste-start?:bool <span class="Special"><-</span> equal k, <span class="Constant">65507/paste-start</span> -<span id="L1099" class="LineNr">1099 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> paste-start? -<span id="L1100" class="LineNr">1100 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">indent?:offset</span>, <span class="Constant">0/false</span> -<span id="L1101" class="LineNr">1101 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L1098" class="LineNr">1098 </span> paste-start?:bool <span class="Special"><-</span> equal k, <span class="Constant">65507/paste-start</span> +<span id="L1099" class="LineNr">1099 </span> <span class="muControl">break-unless</span> paste-start? +<span id="L1100" class="LineNr">1100 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">indent?:offset</span>, <span class="Constant">0/false</span> +<span id="L1101" class="LineNr">1101 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L1102" class="LineNr">1102 </span> <span class="Delimiter">}</span> <span id="L1103" class="LineNr">1103 </span>] <span id="L1104" class="LineNr">1104 </span> -<span id="L1105" class="LineNr">1105 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L1105" class="LineNr">1105 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L1106" class="LineNr">1106 </span> <span class="Delimiter">{</span> -<span id="L1107" class="LineNr">1107 </span> <span class="Conceal">¦</span> paste-end?:bool <span class="Special"><-</span> equal k, <span class="Constant">65506/paste-end</span> -<span id="L1108" class="LineNr">1108 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> paste-end? -<span id="L1109" class="LineNr">1109 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">indent?:offset</span>, <span class="Constant">1/true</span> -<span id="L1110" class="LineNr">1110 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L1107" class="LineNr">1107 </span> paste-end?:bool <span class="Special"><-</span> equal k, <span class="Constant">65506/paste-end</span> +<span id="L1108" class="LineNr">1108 </span> <span class="muControl">break-unless</span> paste-end? +<span id="L1109" class="LineNr">1109 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">indent?:offset</span>, <span class="Constant">1/true</span> +<span id="L1110" class="LineNr">1110 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L1111" class="LineNr">1111 </span> <span class="Delimiter">}</span> <span id="L1112" class="LineNr">1112 </span>] <span id="L1113" class="LineNr">1113 </span> <span id="L1114" class="LineNr">1114 </span><span class="SalientComment">## helpers</span> <span id="L1115" class="LineNr">1115 </span> -<span id="L1116" class="LineNr">1116 </span><span class="muRecipe">def</span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, row:num, x:num, right:num<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L1116" class="LineNr">1116 </span><span class="muRecipe">def</span> draw-horizontal screen:&:screen, row:num, x:num, right:num<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L1117" class="LineNr">1117 </span> <span class="Constant">local-scope</span> <span id="L1118" class="LineNr">1118 </span> <span class="Constant">load-inputs</span> -<span id="L1119" class="LineNr">1119 </span> height:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L1119" class="LineNr">1119 </span> height:num <span class="Special"><-</span> screen-height screen <span id="L1120" class="LineNr">1120 </span> past-bottom?:bool <span class="Special"><-</span> greater-or-equal row, height <span id="L1121" class="LineNr">1121 </span> <span class="muControl">return-if</span> past-bottom? <span id="L1122" class="LineNr">1122 </span> style:char, style-found?:bool <span class="Special"><-</span> <span class="Constant">next-input</span> <span id="L1123" class="LineNr">1123 </span> <span class="Delimiter">{</span> -<span id="L1124" class="LineNr">1124 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> style-found? -<span id="L1125" class="LineNr">1125 </span> <span class="Conceal">¦</span> style <span class="Special"><-</span> copy <span class="Constant">9472/horizontal</span> +<span id="L1124" class="LineNr">1124 </span> <span class="muControl">break-if</span> style-found? +<span id="L1125" class="LineNr">1125 </span> style <span class="Special"><-</span> copy <span class="Constant">9472/horizontal</span> <span id="L1126" class="LineNr">1126 </span> <span class="Delimiter">}</span> <span id="L1127" class="LineNr">1127 </span> color:num, color-found?:bool <span class="Special"><-</span> <span class="Constant">next-input</span> <span id="L1128" class="LineNr">1128 </span> <span class="Delimiter">{</span> -<span id="L1129" class="LineNr">1129 </span> <span class="Conceal">¦</span> <span class="Comment"># default color to white</span> -<span id="L1130" class="LineNr">1130 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> color-found? -<span id="L1131" class="LineNr">1131 </span> <span class="Conceal">¦</span> color <span class="Special"><-</span> copy <span class="Constant">245/grey</span> +<span id="L1129" class="LineNr">1129 </span> <span class="Comment"># default color to white</span> +<span id="L1130" class="LineNr">1130 </span> <span class="muControl">break-if</span> color-found? +<span id="L1131" class="LineNr">1131 </span> color <span class="Special"><-</span> copy <span class="Constant">245/grey</span> <span id="L1132" class="LineNr">1132 </span> <span class="Delimiter">}</span> <span id="L1133" class="LineNr">1133 </span> bg-color:num, bg-color-found?:bool <span class="Special"><-</span> <span class="Constant">next-input</span> <span id="L1134" class="LineNr">1134 </span> <span class="Delimiter">{</span> -<span id="L1135" class="LineNr">1135 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> bg-color-found? -<span id="L1136" class="LineNr">1136 </span> <span class="Conceal">¦</span> bg-color <span class="Special"><-</span> copy <span class="Constant">0/black</span> +<span id="L1135" class="LineNr">1135 </span> <span class="muControl">break-if</span> bg-color-found? +<span id="L1136" class="LineNr">1136 </span> bg-color <span class="Special"><-</span> copy <span class="Constant">0/black</span> <span id="L1137" class="LineNr">1137 </span> <span class="Delimiter">}</span> -<span id="L1138" class="LineNr">1138 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, x +<span id="L1138" class="LineNr">1138 </span> screen <span class="Special"><-</span> move-cursor screen, row, x <span id="L1139" class="LineNr">1139 </span> <span class="Delimiter">{</span> -<span id="L1140" class="LineNr">1140 </span> <span class="Conceal">¦</span> continue?:bool <span class="Special"><-</span> lesser-or-equal x, right <span class="Comment"># right is inclusive, to match editor semantics</span> -<span id="L1141" class="LineNr">1141 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> continue? -<span id="L1142" class="LineNr">1142 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, style, color, bg-color -<span id="L1143" class="LineNr">1143 </span> <span class="Conceal">¦</span> x <span class="Special"><-</span> add x,<span class="Constant"> 1</span> -<span id="L1144" class="LineNr">1144 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L1140" class="LineNr">1140 </span> continue?:bool <span class="Special"><-</span> lesser-or-equal x, right <span class="Comment"># right is inclusive, to match editor semantics</span> +<span id="L1141" class="LineNr">1141 </span> <span class="muControl">break-unless</span> continue? +<span id="L1142" class="LineNr">1142 </span> print screen, style, color, bg-color +<span id="L1143" class="LineNr">1143 </span> x <span class="Special"><-</span> add x,<span class="Constant"> 1</span> +<span id="L1144" class="LineNr">1144 </span> <span class="muControl"> loop</span> <span id="L1145" class="LineNr">1145 </span> <span class="Delimiter">}</span> <span id="L1146" class="LineNr">1146 </span>] </pre> diff --git a/html/edit/003-shortcuts.mu.html b/html/edit/003-shortcuts.mu.html index ce5f7289..4e2c3c8c 100644 --- a/html/edit/003-shortcuts.mu.html +++ b/html/edit/003-shortcuts.mu.html @@ -15,17 +15,16 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } .LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -71,19 +70,19 @@ if ('onhashchange' in window) { <span id="L9" class="LineNr"> 9 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L10" class="LineNr"> 10 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L11" class="LineNr"> 11 </span><span class="Constant">cd]</span> -<span id="L12" class="LineNr"> 12 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L13" class="LineNr"> 13 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L12" class="LineNr"> 12 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L13" class="LineNr"> 13 </span> editor-render screen, e <span id="L14" class="LineNr"> 14 </span> $clear-trace <span id="L15" class="LineNr"> 15 </span> assume-console [ -<span id="L16" class="LineNr"> 16 </span> <span class="Conceal">¦</span> press tab +<span id="L16" class="LineNr"> 16 </span> press tab <span id="L17" class="LineNr"> 17 </span> ] <span id="L18" class="LineNr"> 18 </span> run [ -<span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L19" class="LineNr"> 19 </span> editor-event-loop screen, console, e <span id="L20" class="LineNr"> 20 </span> ] <span id="L21" class="LineNr"> 21 </span> screen-should-contain [ -<span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span><span class="Constant"> . ab .</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span><span class="Constant"> .cd .</span> +<span id="L22" class="LineNr"> 22 </span> <span class="Constant"> . .</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Constant"> . ab .</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Constant"> .cd .</span> <span id="L25" class="LineNr"> 25 </span> ] <span id="L26" class="LineNr"> 26 </span> <span class="Comment"># we render at most two editor rows worth (one row for each space)</span> <span id="L27" class="LineNr"> 27 </span> check-trace-count-for-label-lesser-than<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> @@ -92,35 +91,35 @@ if ('onhashchange' in window) { <span id="L30" class="LineNr"> 30 </span><span class="muScenario">scenario</span> editor-inserts-two-spaces-and-wraps-line-on-tab [ <span id="L31" class="LineNr"> 31 </span> <span class="Constant">local-scope</span> <span id="L32" class="LineNr"> 32 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L33" class="LineNr"> 33 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L34" class="LineNr"> 34 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L33" class="LineNr"> 33 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L34" class="LineNr"> 34 </span> editor-render screen, e <span id="L35" class="LineNr"> 35 </span> $clear-trace <span id="L36" class="LineNr"> 36 </span> assume-console [ -<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span> press tab +<span id="L37" class="LineNr"> 37 </span> press tab <span id="L38" class="LineNr"> 38 </span> ] <span id="L39" class="LineNr"> 39 </span> run [ -<span id="L40" class="LineNr"> 40 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L40" class="LineNr"> 40 </span> editor-event-loop screen, console, e <span id="L41" class="LineNr"> 41 </span> ] <span id="L42" class="LineNr"> 42 </span> screen-should-contain [ -<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span><span class="Constant"> . ab↩ .</span> -<span id="L45" class="LineNr"> 45 </span> <span class="Conceal">¦</span><span class="Constant"> .cd .</span> +<span id="L43" class="LineNr"> 43 </span> <span class="Constant"> . .</span> +<span id="L44" class="LineNr"> 44 </span> <span class="Constant"> . ab↩ .</span> +<span id="L45" class="LineNr"> 45 </span> <span class="Constant"> .cd .</span> <span id="L46" class="LineNr"> 46 </span> ] <span id="L47" class="LineNr"> 47 </span> <span class="Comment"># we re-render the whole editor</span> <span id="L48" class="LineNr"> 48 </span> check-trace-count-for-label-greater-than<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L49" class="LineNr"> 49 </span>] <span id="L50" class="LineNr"> 50 </span> -<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L52" class="LineNr"> 52 </span> <span class="Delimiter">{</span> -<span id="L53" class="LineNr"> 53 </span> <span class="Conceal">¦</span> tab?:bool <span class="Special"><-</span> equal c, <span class="Constant">9/tab</span> -<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> tab? -<span id="L55" class="LineNr"> 55 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-insert-character></span> -<span id="L56" class="LineNr"> 56 </span> <span class="Conceal">¦</span> <span class="Comment"># todo: decompose insert-at-cursor into editor update and screen update,</span> -<span id="L57" class="LineNr"> 57 </span> <span class="Conceal">¦</span> <span class="Comment"># so that 'tab' doesn't render the current line multiple times</span> -<span id="L58" class="LineNr"> 58 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L203'>insert-at-cursor</a> editor, <span class="Constant">32/space</span>, <a href='../081print.mu.html#L16'>screen</a> -<span id="L59" class="LineNr"> 59 </span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> <a href='002-typing.mu.html#L203'>insert-at-cursor</a> editor, <span class="Constant">32/space</span>, <a href='../081print.mu.html#L16'>screen</a> -<span id="L60" class="LineNr"> 60 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-insert-character></span> -<span id="L61" class="LineNr"> 61 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L53" class="LineNr"> 53 </span> tab?:bool <span class="Special"><-</span> equal c, <span class="Constant">9/tab</span> +<span id="L54" class="LineNr"> 54 </span> <span class="muControl">break-unless</span> tab? +<span id="L55" class="LineNr"> 55 </span><span class="Constant"> <begin-insert-character></span> +<span id="L56" class="LineNr"> 56 </span> <span class="Comment"># todo: decompose insert-at-cursor into editor update and screen update,</span> +<span id="L57" class="LineNr"> 57 </span> <span class="Comment"># so that 'tab' doesn't render the current line multiple times</span> +<span id="L58" class="LineNr"> 58 </span> insert-at-cursor editor, <span class="Constant">32/space</span>, screen +<span id="L59" class="LineNr"> 59 </span> go-render? <span class="Special"><-</span> insert-at-cursor editor, <span class="Constant">32/space</span>, screen +<span id="L60" class="LineNr"> 60 </span><span class="Constant"> <end-insert-character></span> +<span id="L61" class="LineNr"> 61 </span> <span class="muControl"> return</span> <span id="L62" class="LineNr"> 62 </span> <span class="Delimiter">}</span> <span id="L63" class="LineNr"> 63 </span>] <span id="L64" class="LineNr"> 64 </span> @@ -129,62 +128,62 @@ if ('onhashchange' in window) { <span id="L67" class="LineNr"> 67 </span><span class="muScenario">scenario</span> editor-handles-backspace-key [ <span id="L68" class="LineNr"> 68 </span> <span class="Constant">local-scope</span> <span id="L69" class="LineNr"> 69 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L70" class="LineNr"> 70 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L71" class="LineNr"> 71 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L70" class="LineNr"> 70 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L71" class="LineNr"> 71 </span> editor-render screen, e <span id="L72" class="LineNr"> 72 </span> $clear-trace <span id="L73" class="LineNr"> 73 </span> assume-console [ -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L75" class="LineNr"> 75 </span> <span class="Conceal">¦</span> press backspace +<span id="L74" class="LineNr"> 74 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L75" class="LineNr"> 75 </span> press backspace <span id="L76" class="LineNr"> 76 </span> ] <span id="L77" class="LineNr"> 77 </span> run [ -<span id="L78" class="LineNr"> 78 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L79" class="LineNr"> 79 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L78" class="LineNr"> 78 </span> editor-event-loop screen, console, e +<span id="L79" class="LineNr"> 79 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L80" class="LineNr"> 80 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L81" class="LineNr"> 81 </span> ] <span id="L82" class="LineNr"> 82 </span> screen-should-contain [ -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span><span class="Constant"> .bc .</span> -<span id="L85" class="LineNr"> 85 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L83" class="LineNr"> 83 </span> <span class="Constant"> . .</span> +<span id="L84" class="LineNr"> 84 </span> <span class="Constant"> .bc .</span> +<span id="L85" class="LineNr"> 85 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L86" class="LineNr"> 86 </span> <span class="Constant"> . .</span> <span id="L87" class="LineNr"> 87 </span> ] <span id="L88" class="LineNr"> 88 </span> memory-should-contain [ -<span id="L89" class="LineNr"> 89 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L90" class="LineNr"> 90 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L90" class="LineNr"> 90 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L91" class="LineNr"> 91 </span> ] <span id="L92" class="LineNr"> 92 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span class="Comment"># length of original line to overwrite</span> <span id="L93" class="LineNr"> 93 </span>] <span id="L94" class="LineNr"> 94 </span> -<span id="L95" class="LineNr"> 95 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L95" class="LineNr"> 95 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L96" class="LineNr"> 96 </span> <span class="Delimiter">{</span> -<span id="L97" class="LineNr"> 97 </span> <span class="Conceal">¦</span> delete-previous-character?:bool <span class="Special"><-</span> equal c, <span class="Constant">8/backspace</span> -<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> delete-previous-character? -<span id="L99" class="LineNr"> 99 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L99'><begin-backspace-character></a></span> -<span id="L100" class="LineNr"> 100 </span> <span class="Conceal">¦</span> go-render?:bool, backspaced-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L109'>delete-before-cursor</a> editor, <a href='../081print.mu.html#L16'>screen</a> -<span id="L101" class="LineNr"> 101 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L101'><end-backspace-character></a></span> -<span id="L102" class="LineNr"> 102 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L97" class="LineNr"> 97 </span> delete-previous-character?:bool <span class="Special"><-</span> equal c, <span class="Constant">8/backspace</span> +<span id="L98" class="LineNr"> 98 </span> <span class="muControl">break-unless</span> delete-previous-character? +<span id="L99" class="LineNr"> 99 </span><span class="Constant"> <begin-backspace-character></span> +<span id="L100" class="LineNr"> 100 </span> go-render?:bool, backspaced-cell:&:duplex-list:char <span class="Special"><-</span> delete-before-cursor editor, screen +<span id="L101" class="LineNr"> 101 </span><span class="Constant"> <end-backspace-character></span> +<span id="L102" class="LineNr"> 102 </span> <span class="muControl"> return</span> <span id="L103" class="LineNr"> 103 </span> <span class="Delimiter">}</span> <span id="L104" class="LineNr"> 104 </span>] <span id="L105" class="LineNr"> 105 </span> <span id="L106" class="LineNr"> 106 </span><span class="Comment"># return values:</span> <span id="L107" class="LineNr"> 107 </span><span class="Comment"># go-render? - whether caller needs to update the screen</span> <span id="L108" class="LineNr"> 108 </span><span class="Comment"># backspaced-cell - value deleted (or 0 if nothing was deleted) so we can save it for undo, etc.</span> -<span id="L109" class="LineNr"> 109 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L109'>delete-before-cursor</a> editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>go-render?:bool, backspaced-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L109" class="LineNr"> 109 </span><span class="muRecipe">def</span> delete-before-cursor editor:&:editor, screen:&:screen<span class="muRecipe"> -> </span>go-render?:bool, backspaced-cell:&:duplex-list:char, editor:&:editor, screen:&:screen [ <span id="L110" class="LineNr"> 110 </span> <span class="Constant">local-scope</span> <span id="L111" class="LineNr"> 111 </span> <span class="Constant">load-inputs</span> -<span id="L112" class="LineNr"> 112 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L113" class="LineNr"> 113 </span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L112" class="LineNr"> 112 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L113" class="LineNr"> 113 </span> data:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> <span id="L114" class="LineNr"> 114 </span> <span class="Comment"># if at start of text (before-cursor at § sentinel), return</span> -<span id="L115" class="LineNr"> 115 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor -<span id="L116" class="LineNr"> 116 </span> <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a>, <span class="Constant">0/no-more-render</span>, <span class="Constant">0/nothing-deleted</span> +<span id="L115" class="LineNr"> 115 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev before-cursor +<span id="L116" class="LineNr"> 116 </span> <span class="muControl">return-unless</span> prev, <span class="Constant">0/no-more-render</span>, <span class="Constant">0/nothing-deleted</span> <span id="L117" class="LineNr"> 117 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[delete-before-cursor]</span> <span id="L118" class="LineNr"> 118 </span> original-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L119" class="LineNr"> 119 </span> scroll?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L156'>move-cursor-coordinates-left</a> editor -<span id="L120" class="LineNr"> 120 </span> backspaced-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy before-cursor +<span id="L119" class="LineNr"> 119 </span> scroll?:bool <span class="Special"><-</span> move-cursor-coordinates-left editor +<span id="L120" class="LineNr"> 120 </span> backspaced-cell:&:duplex-list:char <span class="Special"><-</span> copy before-cursor <span id="L121" class="LineNr"> 121 </span> data <span class="Special"><-</span> remove before-cursor, data <span class="Comment"># will also neatly trim next/prev pointers in backspaced-cell/before-cursor</span> -<span id="L122" class="LineNr"> 122 </span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> +<span id="L122" class="LineNr"> 122 </span> before-cursor <span class="Special"><-</span> copy prev <span id="L123" class="LineNr"> 123 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L124" class="LineNr"> 124 </span> <span class="muControl">return-if</span> scroll?, <span class="Constant">1/go-render</span> -<span id="L125" class="LineNr"> 125 </span> <a href='../081print.mu.html#L768'>screen-width</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L125" class="LineNr"> 125 </span> screen-width:num <span class="Special"><-</span> screen-width screen <span id="L126" class="LineNr"> 126 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L127" class="LineNr"> 127 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L128" class="LineNr"> 128 </span> <span class="Comment"># did we just backspace over a newline?</span> @@ -192,82 +191,82 @@ if ('onhashchange' in window) { <span id="L130" class="LineNr"> 130 </span> <span class="muControl">return-unless</span> same-row?, <span class="Constant">1/go-render</span> <span id="L131" class="LineNr"> 131 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L132" class="LineNr"> 132 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L133" class="LineNr"> 133 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L134" class="LineNr"> 134 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column +<span id="L133" class="LineNr"> 133 </span> curr:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L134" class="LineNr"> 134 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column <span id="L135" class="LineNr"> 135 </span> curr-column:num <span class="Special"><-</span> copy cursor-column <span id="L136" class="LineNr"> 136 </span> <span class="Delimiter">{</span> -<span id="L137" class="LineNr"> 137 </span> <span class="Conceal">¦</span> <span class="Comment"># hit right margin? give up and let caller render</span> -<span id="L138" class="LineNr"> 138 </span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> greater-or-equal curr-column, right -<span id="L139" class="LineNr"> 139 </span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span> -<span id="L140" class="LineNr"> 140 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L141" class="LineNr"> 141 </span> <span class="Conceal">¦</span> <span class="Comment"># newline? done.</span> -<span id="L142" class="LineNr"> 142 </span> <span class="Conceal">¦</span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L143" class="LineNr"> 143 </span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> -<span id="L144" class="LineNr"> 144 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L145" class="LineNr"> 145 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, currc -<span id="L146" class="LineNr"> 146 </span> <span class="Conceal">¦</span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> -<span id="L147" class="LineNr"> 147 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L148" class="LineNr"> 148 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L137" class="LineNr"> 137 </span> <span class="Comment"># hit right margin? give up and let caller render</span> +<span id="L138" class="LineNr"> 138 </span> at-right?:bool <span class="Special"><-</span> greater-or-equal curr-column, right +<span id="L139" class="LineNr"> 139 </span> <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span> +<span id="L140" class="LineNr"> 140 </span> <span class="muControl">break-unless</span> curr +<span id="L141" class="LineNr"> 141 </span> <span class="Comment"># newline? done.</span> +<span id="L142" class="LineNr"> 142 </span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L143" class="LineNr"> 143 </span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> +<span id="L144" class="LineNr"> 144 </span> <span class="muControl">break-if</span> at-newline? +<span id="L145" class="LineNr"> 145 </span> screen <span class="Special"><-</span> print screen, currc +<span id="L146" class="LineNr"> 146 </span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> +<span id="L147" class="LineNr"> 147 </span> curr <span class="Special"><-</span> next curr +<span id="L148" class="LineNr"> 148 </span> <span class="muControl"> loop</span> <span id="L149" class="LineNr"> 149 </span> <span class="Delimiter">}</span> <span id="L150" class="LineNr"> 150 </span> <span class="Comment"># we're guaranteed not to be at the right margin</span> <span id="L151" class="LineNr"> 151 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L152" class="LineNr"> 152 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, space +<span id="L152" class="LineNr"> 152 </span> screen <span class="Special"><-</span> print screen, space <span id="L153" class="LineNr"> 153 </span> go-render? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L154" class="LineNr"> 154 </span>] <span id="L155" class="LineNr"> 155 </span> -<span id="L156" class="LineNr"> 156 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L156'>move-cursor-coordinates-left</a> editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L156" class="LineNr"> 156 </span><span class="muRecipe">def</span> move-cursor-coordinates-left editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L157" class="LineNr"> 157 </span> <span class="Constant">local-scope</span> <span id="L158" class="LineNr"> 158 </span> <span class="Constant">load-inputs</span> <span id="L159" class="LineNr"> 159 </span> go-render?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L160" class="LineNr"> 160 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L160" class="LineNr"> 160 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L161" class="LineNr"> 161 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L162" class="LineNr"> 162 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L163" class="LineNr"> 163 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L164" class="LineNr"> 164 </span> <span class="Comment"># if not at left margin, move one character left</span> <span id="L165" class="LineNr"> 165 </span> <span class="Delimiter">{</span> -<span id="L166" class="LineNr"> 166 </span> <span class="Conceal">¦</span> at-left-margin?:bool <span class="Special"><-</span> equal cursor-column, left -<span id="L167" class="LineNr"> 167 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-left-margin? -<span id="L168" class="LineNr"> 168 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[decrementing cursor column]</span> -<span id="L169" class="LineNr"> 169 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> subtract cursor-column,<span class="Constant"> 1</span> -<span id="L170" class="LineNr"> 170 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L171" class="LineNr"> 171 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L166" class="LineNr"> 166 </span> at-left-margin?:bool <span class="Special"><-</span> equal cursor-column, left +<span id="L167" class="LineNr"> 167 </span> <span class="muControl">break-if</span> at-left-margin? +<span id="L168" class="LineNr"> 168 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[decrementing cursor column]</span> +<span id="L169" class="LineNr"> 169 </span> cursor-column <span class="Special"><-</span> subtract cursor-column,<span class="Constant"> 1</span> +<span id="L170" class="LineNr"> 170 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L171" class="LineNr"> 171 </span> <span class="muControl"> return</span> <span id="L172" class="LineNr"> 172 </span> <span class="Delimiter">}</span> <span id="L173" class="LineNr"> 173 </span> <span class="Comment"># if at left margin, we must move to previous row:</span> <span id="L174" class="LineNr"> 174 </span> top-of-screen?:bool <span class="Special"><-</span> equal cursor-row,<span class="Constant"> 1</span> <span class="Comment"># exclude menu bar</span> <span id="L175" class="LineNr"> 175 </span> <span class="Delimiter">{</span> -<span id="L176" class="LineNr"> 176 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> top-of-screen? -<span id="L177" class="LineNr"> 177 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> -<span id="L178" class="LineNr"> 178 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L176" class="LineNr"> 176 </span> <span class="muControl">break-if</span> top-of-screen? +<span id="L177" class="LineNr"> 177 </span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> +<span id="L178" class="LineNr"> 178 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row <span id="L179" class="LineNr"> 179 </span> <span class="Delimiter">}</span> <span id="L180" class="LineNr"> 180 </span> <span class="Delimiter">{</span> -<span id="L181" class="LineNr"> 181 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> top-of-screen? -<span id="L182" class="LineNr"> 182 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <scroll-up></span> -<span id="L183" class="LineNr"> 183 </span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> copy <span class="Constant">1/true</span> +<span id="L181" class="LineNr"> 181 </span> <span class="muControl">break-unless</span> top-of-screen? +<span id="L182" class="LineNr"> 182 </span><span class="Constant"> <scroll-up></span> +<span id="L183" class="LineNr"> 183 </span> go-render? <span class="Special"><-</span> copy <span class="Constant">1/true</span> <span id="L184" class="LineNr"> 184 </span> <span class="Delimiter">}</span> <span id="L185" class="LineNr"> 185 </span> <span class="Delimiter">{</span> -<span id="L186" class="LineNr"> 186 </span> <span class="Conceal">¦</span> <span class="Comment"># case 1: if previous character was newline, figure out how long the previous line is</span> -<span id="L187" class="LineNr"> 187 </span> <span class="Conceal">¦</span> previous-character:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> -<span id="L188" class="LineNr"> 188 </span> <span class="Conceal">¦</span> previous-character-is-newline?:bool <span class="Special"><-</span> equal previous-character, <span class="Constant">10/newline</span> -<span id="L189" class="LineNr"> 189 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> previous-character-is-newline? -<span id="L190" class="LineNr"> 190 </span> <span class="Conceal">¦</span> <span class="Comment"># compute length of previous line</span> -<span id="L191" class="LineNr"> 191 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[switching to previous line]</span> -<span id="L192" class="LineNr"> 192 </span> <span class="Conceal">¦</span> d:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L193" class="LineNr"> 193 </span> <span class="Conceal">¦</span> end-of-line:num <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L219'>previous-line-length</a> before-cursor, d -<span id="L194" class="LineNr"> 194 </span> <span class="Conceal">¦</span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L195" class="LineNr"> 195 </span> <span class="Conceal">¦</span> width:num <span class="Special"><-</span> subtract right, left -<span id="L196" class="LineNr"> 196 </span> <span class="Conceal">¦</span> wrap?:bool <span class="Special"><-</span> greater-than end-of-line, width -<span id="L197" class="LineNr"> 197 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L198" class="LineNr"> 198 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> wrap? -<span id="L199" class="LineNr"> 199 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> _, column-offset:num <span class="Special"><-</span> divide-with-remainder end-of-line, width -<span id="L200" class="LineNr"> 200 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> add left, column-offset -<span id="L201" class="LineNr"> 201 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L202" class="LineNr"> 202 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L203" class="LineNr"> 203 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L204" class="LineNr"> 204 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> wrap? -<span id="L205" class="LineNr"> 205 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> add left, end-of-line -<span id="L206" class="LineNr"> 206 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L207" class="LineNr"> 207 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L208" class="LineNr"> 208 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L186" class="LineNr"> 186 </span> <span class="Comment"># case 1: if previous character was newline, figure out how long the previous line is</span> +<span id="L187" class="LineNr"> 187 </span> previous-character:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> +<span id="L188" class="LineNr"> 188 </span> previous-character-is-newline?:bool <span class="Special"><-</span> equal previous-character, <span class="Constant">10/newline</span> +<span id="L189" class="LineNr"> 189 </span> <span class="muControl">break-unless</span> previous-character-is-newline? +<span id="L190" class="LineNr"> 190 </span> <span class="Comment"># compute length of previous line</span> +<span id="L191" class="LineNr"> 191 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[switching to previous line]</span> +<span id="L192" class="LineNr"> 192 </span> d:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L193" class="LineNr"> 193 </span> end-of-line:num <span class="Special"><-</span> previous-line-length before-cursor, d +<span id="L194" class="LineNr"> 194 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> +<span id="L195" class="LineNr"> 195 </span> width:num <span class="Special"><-</span> subtract right, left +<span id="L196" class="LineNr"> 196 </span> wrap?:bool <span class="Special"><-</span> greater-than end-of-line, width +<span id="L197" class="LineNr"> 197 </span> <span class="Delimiter">{</span> +<span id="L198" class="LineNr"> 198 </span> <span class="muControl">break-unless</span> wrap? +<span id="L199" class="LineNr"> 199 </span> _, column-offset:num <span class="Special"><-</span> divide-with-remainder end-of-line, width +<span id="L200" class="LineNr"> 200 </span> cursor-column <span class="Special"><-</span> add left, column-offset +<span id="L201" class="LineNr"> 201 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L202" class="LineNr"> 202 </span> <span class="Delimiter">}</span> +<span id="L203" class="LineNr"> 203 </span> <span class="Delimiter">{</span> +<span id="L204" class="LineNr"> 204 </span> <span class="muControl">break-if</span> wrap? +<span id="L205" class="LineNr"> 205 </span> cursor-column <span class="Special"><-</span> add left, end-of-line +<span id="L206" class="LineNr"> 206 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L207" class="LineNr"> 207 </span> <span class="Delimiter">}</span> +<span id="L208" class="LineNr"> 208 </span> <span class="muControl"> return</span> <span id="L209" class="LineNr"> 209 </span> <span class="Delimiter">}</span> <span id="L210" class="LineNr"> 210 </span> <span class="Comment"># case 2: if previous-character was not newline, we're just at a wrapped line</span> <span id="L211" class="LineNr"> 211 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[wrapping to previous line]</span> @@ -278,7 +277,7 @@ if ('onhashchange' in window) { <span id="L216" class="LineNr"> 216 </span> <span id="L217" class="LineNr"> 217 </span><span class="Comment"># takes a pointer 'curr' into the doubly-linked list and its sentinel, counts</span> <span id="L218" class="LineNr"> 218 </span><span class="Comment"># the length of the previous line before the 'curr' pointer.</span> -<span id="L219" class="LineNr"> 219 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L219'>previous-line-length</a> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char<span class="muRecipe"> -> </span>result:num [ +<span id="L219" class="LineNr"> 219 </span><span class="muRecipe">def</span> previous-line-length curr:&:duplex-list:char, start:&:duplex-list:char<span class="muRecipe"> -> </span>result:num [ <span id="L220" class="LineNr"> 220 </span> <span class="Constant">local-scope</span> <span id="L221" class="LineNr"> 221 </span> <span class="Constant">load-inputs</span> <span id="L222" class="LineNr"> 222 </span> result:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> @@ -286,15 +285,15 @@ if ('onhashchange' in window) { <span id="L224" class="LineNr"> 224 </span> at-start?:bool <span class="Special"><-</span> equal curr, start <span id="L225" class="LineNr"> 225 </span> <span class="muControl">return-if</span> at-start? <span id="L226" class="LineNr"> 226 </span> <span class="Delimiter">{</span> -<span id="L227" class="LineNr"> 227 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr -<span id="L228" class="LineNr"> 228 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L229" class="LineNr"> 229 </span> <span class="Conceal">¦</span> at-start?:bool <span class="Special"><-</span> equal curr, start -<span id="L230" class="LineNr"> 230 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-start? -<span id="L231" class="LineNr"> 231 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L232" class="LineNr"> 232 </span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L233" class="LineNr"> 233 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L234" class="LineNr"> 234 </span> <span class="Conceal">¦</span> result <span class="Special"><-</span> add result,<span class="Constant"> 1</span> -<span id="L235" class="LineNr"> 235 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L227" class="LineNr"> 227 </span> curr <span class="Special"><-</span> prev curr +<span id="L228" class="LineNr"> 228 </span> <span class="muControl">break-unless</span> curr +<span id="L229" class="LineNr"> 229 </span> at-start?:bool <span class="Special"><-</span> equal curr, start +<span id="L230" class="LineNr"> 230 </span> <span class="muControl">break-if</span> at-start? +<span id="L231" class="LineNr"> 231 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L232" class="LineNr"> 232 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L233" class="LineNr"> 233 </span> <span class="muControl">break-if</span> at-newline? +<span id="L234" class="LineNr"> 234 </span> result <span class="Special"><-</span> add result,<span class="Constant"> 1</span> +<span id="L235" class="LineNr"> 235 </span> <span class="muControl"> loop</span> <span id="L236" class="LineNr"> 236 </span> <span class="Delimiter">}</span> <span id="L237" class="LineNr"> 237 </span>] <span id="L238" class="LineNr"> 238 </span> @@ -303,25 +302,25 @@ if ('onhashchange' in window) { <span id="L241" class="LineNr"> 241 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L242" class="LineNr"> 242 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L243" class="LineNr"> 243 </span><span class="Constant">cd]</span> -<span id="L244" class="LineNr"> 244 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L244" class="LineNr"> 244 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L245" class="LineNr"> 245 </span> assume-console [ -<span id="L246" class="LineNr"> 246 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L247" class="LineNr"> 247 </span> <span class="Conceal">¦</span> press backspace +<span id="L246" class="LineNr"> 246 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L247" class="LineNr"> 247 </span> press backspace <span id="L248" class="LineNr"> 248 </span> ] <span id="L249" class="LineNr"> 249 </span> run [ -<span id="L250" class="LineNr"> 250 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L251" class="LineNr"> 251 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L252" class="LineNr"> 252 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L250" class="LineNr"> 250 </span> editor-event-loop screen, console, e +<span id="L251" class="LineNr"> 251 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L252" class="LineNr"> 252 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L253" class="LineNr"> 253 </span> ] <span id="L254" class="LineNr"> 254 </span> screen-should-contain [ -<span id="L255" class="LineNr"> 255 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L256" class="LineNr"> 256 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd .</span> -<span id="L257" class="LineNr"> 257 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L258" class="LineNr"> 258 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L255" class="LineNr"> 255 </span> <span class="Constant"> . .</span> +<span id="L256" class="LineNr"> 256 </span> <span class="Constant"> .abcd .</span> +<span id="L257" class="LineNr"> 257 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L258" class="LineNr"> 258 </span> <span class="Constant"> . .</span> <span id="L259" class="LineNr"> 259 </span> ] <span id="L260" class="LineNr"> 260 </span> memory-should-contain [ -<span id="L261" class="LineNr"> 261 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L262" class="LineNr"> 262 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L261" class="LineNr"> 261 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L262" class="LineNr"> 262 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L263" class="LineNr"> 263 </span> ] <span id="L264" class="LineNr"> 264 </span>] <span id="L265" class="LineNr"> 265 </span> @@ -331,24 +330,24 @@ if ('onhashchange' in window) { <span id="L269" class="LineNr"> 269 </span> <span class="Comment"># initialize editor with two long-ish but non-wrapping lines</span> <span id="L270" class="LineNr"> 270 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc def</span> <span id="L271" class="LineNr"> 271 </span><span class="Constant">ghi jkl]</span> -<span id="L272" class="LineNr"> 272 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L273" class="LineNr"> 273 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L272" class="LineNr"> 272 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L273" class="LineNr"> 273 </span> editor-render screen, e <span id="L274" class="LineNr"> 274 </span> $clear-trace <span id="L275" class="LineNr"> 275 </span> <span class="Comment"># position the cursor at the start of the second and hit backspace</span> <span id="L276" class="LineNr"> 276 </span> assume-console [ -<span id="L277" class="LineNr"> 277 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L278" class="LineNr"> 278 </span> <span class="Conceal">¦</span> press backspace +<span id="L277" class="LineNr"> 277 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L278" class="LineNr"> 278 </span> press backspace <span id="L279" class="LineNr"> 279 </span> ] <span id="L280" class="LineNr"> 280 </span> run [ -<span id="L281" class="LineNr"> 281 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L281" class="LineNr"> 281 </span> editor-event-loop screen, console, e <span id="L282" class="LineNr"> 282 </span> ] <span id="L283" class="LineNr"> 283 </span> <span class="Comment"># resulting single line should wrap correctly</span> <span id="L284" class="LineNr"> 284 </span> screen-should-contain [ -<span id="L285" class="LineNr"> 285 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L286" class="LineNr"> 286 </span> <span class="Conceal">¦</span><span class="Constant"> .abc defgh↩.</span> -<span id="L287" class="LineNr"> 287 </span> <span class="Conceal">¦</span><span class="Constant"> .i jkl .</span> -<span id="L288" class="LineNr"> 288 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L289" class="LineNr"> 289 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L285" class="LineNr"> 285 </span> <span class="Constant"> . .</span> +<span id="L286" class="LineNr"> 286 </span> <span class="Constant"> .abc defgh↩.</span> +<span id="L287" class="LineNr"> 287 </span> <span class="Constant"> .i jkl .</span> +<span id="L288" class="LineNr"> 288 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L289" class="LineNr"> 289 </span> <span class="Constant"> . .</span> <span id="L290" class="LineNr"> 290 </span> ] <span id="L291" class="LineNr"> 291 </span>] <span id="L292" class="LineNr"> 292 </span> @@ -356,31 +355,31 @@ if ('onhashchange' in window) { <span id="L294" class="LineNr"> 294 </span> <span class="Constant">local-scope</span> <span id="L295" class="LineNr"> 295 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L296" class="LineNr"> 296 </span> <span class="Comment"># initialize editor in part of the screen with a long line</span> -<span id="L297" class="LineNr"> 297 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc def ghij]</span>, <span class="Constant">0/left</span>, <span class="Constant">8/right</span> -<span id="L298" class="LineNr"> 298 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L297" class="LineNr"> 297 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc def ghij]</span>, <span class="Constant">0/left</span>, <span class="Constant">8/right</span> +<span id="L298" class="LineNr"> 298 </span> editor-render screen, e <span id="L299" class="LineNr"> 299 </span> <span class="Comment"># confirm that it wraps</span> <span id="L300" class="LineNr"> 300 </span> screen-should-contain [ -<span id="L301" class="LineNr"> 301 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L302" class="LineNr"> 302 </span> <span class="Conceal">¦</span><span class="Constant"> .abc def↩ .</span> -<span id="L303" class="LineNr"> 303 </span> <span class="Conceal">¦</span><span class="Constant"> . ghij .</span> -<span id="L304" class="LineNr"> 304 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌ .</span> +<span id="L301" class="LineNr"> 301 </span> <span class="Constant"> . .</span> +<span id="L302" class="LineNr"> 302 </span> <span class="Constant"> .abc def↩ .</span> +<span id="L303" class="LineNr"> 303 </span> <span class="Constant"> . ghij .</span> +<span id="L304" class="LineNr"> 304 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌ .</span> <span id="L305" class="LineNr"> 305 </span> ] <span id="L306" class="LineNr"> 306 </span> $clear-trace <span id="L307" class="LineNr"> 307 </span> <span class="Comment"># position the cursor somewhere in the middle of the top screen line and hit backspace</span> <span id="L308" class="LineNr"> 308 </span> assume-console [ -<span id="L309" class="LineNr"> 309 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span> -<span id="L310" class="LineNr"> 310 </span> <span class="Conceal">¦</span> press backspace +<span id="L309" class="LineNr"> 309 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span> +<span id="L310" class="LineNr"> 310 </span> press backspace <span id="L311" class="LineNr"> 311 </span> ] <span id="L312" class="LineNr"> 312 </span> run [ -<span id="L313" class="LineNr"> 313 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L313" class="LineNr"> 313 </span> editor-event-loop screen, console, e <span id="L314" class="LineNr"> 314 </span> ] <span id="L315" class="LineNr"> 315 </span> <span class="Comment"># resulting single line should wrap correctly and not overflow its bounds</span> <span id="L316" class="LineNr"> 316 </span> screen-should-contain [ -<span id="L317" class="LineNr"> 317 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L318" class="LineNr"> 318 </span> <span class="Conceal">¦</span><span class="Constant"> .abcdef ↩ .</span> -<span id="L319" class="LineNr"> 319 </span> <span class="Conceal">¦</span><span class="Constant"> .ghij .</span> -<span id="L320" class="LineNr"> 320 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌ .</span> -<span id="L321" class="LineNr"> 321 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L317" class="LineNr"> 317 </span> <span class="Constant"> . .</span> +<span id="L318" class="LineNr"> 318 </span> <span class="Constant"> .abcdef ↩ .</span> +<span id="L319" class="LineNr"> 319 </span> <span class="Constant"> .ghij .</span> +<span id="L320" class="LineNr"> 320 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌ .</span> +<span id="L321" class="LineNr"> 321 </span> <span class="Constant"> . .</span> <span id="L322" class="LineNr"> 322 </span> ] <span id="L323" class="LineNr"> 323 </span>] <span id="L324" class="LineNr"> 324 </span> @@ -389,83 +388,83 @@ if ('onhashchange' in window) { <span id="L327" class="LineNr"> 327 </span><span class="muScenario">scenario</span> editor-handles-delete-key [ <span id="L328" class="LineNr"> 328 </span> <span class="Constant">local-scope</span> <span id="L329" class="LineNr"> 329 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L330" class="LineNr"> 330 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L331" class="LineNr"> 331 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L330" class="LineNr"> 330 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L331" class="LineNr"> 331 </span> editor-render screen, e <span id="L332" class="LineNr"> 332 </span> $clear-trace <span id="L333" class="LineNr"> 333 </span> assume-console [ -<span id="L334" class="LineNr"> 334 </span> <span class="Conceal">¦</span> press delete +<span id="L334" class="LineNr"> 334 </span> press delete <span id="L335" class="LineNr"> 335 </span> ] <span id="L336" class="LineNr"> 336 </span> run [ -<span id="L337" class="LineNr"> 337 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L337" class="LineNr"> 337 </span> editor-event-loop screen, console, e <span id="L338" class="LineNr"> 338 </span> ] <span id="L339" class="LineNr"> 339 </span> screen-should-contain [ -<span id="L340" class="LineNr"> 340 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L341" class="LineNr"> 341 </span> <span class="Conceal">¦</span><span class="Constant"> .bc .</span> -<span id="L342" class="LineNr"> 342 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L343" class="LineNr"> 343 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L340" class="LineNr"> 340 </span> <span class="Constant"> . .</span> +<span id="L341" class="LineNr"> 341 </span> <span class="Constant"> .bc .</span> +<span id="L342" class="LineNr"> 342 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L343" class="LineNr"> 343 </span> <span class="Constant"> . .</span> <span id="L344" class="LineNr"> 344 </span> ] <span id="L345" class="LineNr"> 345 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span class="Comment"># length of original line to overwrite</span> <span id="L346" class="LineNr"> 346 </span> $clear-trace <span id="L347" class="LineNr"> 347 </span> assume-console [ -<span id="L348" class="LineNr"> 348 </span> <span class="Conceal">¦</span> press delete +<span id="L348" class="LineNr"> 348 </span> press delete <span id="L349" class="LineNr"> 349 </span> ] <span id="L350" class="LineNr"> 350 </span> run [ -<span id="L351" class="LineNr"> 351 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L351" class="LineNr"> 351 </span> editor-event-loop screen, console, e <span id="L352" class="LineNr"> 352 </span> ] <span id="L353" class="LineNr"> 353 </span> screen-should-contain [ -<span id="L354" class="LineNr"> 354 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L355" class="LineNr"> 355 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L356" class="LineNr"> 356 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L357" class="LineNr"> 357 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L354" class="LineNr"> 354 </span> <span class="Constant"> . .</span> +<span id="L355" class="LineNr"> 355 </span> <span class="Constant"> .c .</span> +<span id="L356" class="LineNr"> 356 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L357" class="LineNr"> 357 </span> <span class="Constant"> . .</span> <span id="L358" class="LineNr"> 358 </span> ] <span id="L359" class="LineNr"> 359 </span> check-trace-count-for-label<span class="Constant"> 2</span>, <span class="Constant">[print-character]</span> <span class="Comment"># new length to overwrite</span> <span id="L360" class="LineNr"> 360 </span>] <span id="L361" class="LineNr"> 361 </span> -<span id="L362" class="LineNr"> 362 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L362" class="LineNr"> 362 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L363" class="LineNr"> 363 </span> <span class="Delimiter">{</span> -<span id="L364" class="LineNr"> 364 </span> <span class="Conceal">¦</span> delete-next-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65522/delete</span> -<span id="L365" class="LineNr"> 365 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> delete-next-character? -<span id="L366" class="LineNr"> 366 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L366'><begin-delete-character></a></span> -<span id="L367" class="LineNr"> 367 </span> <span class="Conceal">¦</span> go-render?:bool, deleted-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L373'>delete-at-cursor</a> editor, <a href='../081print.mu.html#L16'>screen</a> -<span id="L368" class="LineNr"> 368 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L368'><end-delete-character></a></span> -<span id="L369" class="LineNr"> 369 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L364" class="LineNr"> 364 </span> delete-next-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65522/delete</span> +<span id="L365" class="LineNr"> 365 </span> <span class="muControl">break-unless</span> delete-next-character? +<span id="L366" class="LineNr"> 366 </span><span class="Constant"> <begin-delete-character></span> +<span id="L367" class="LineNr"> 367 </span> go-render?:bool, deleted-cell:&:duplex-list:char <span class="Special"><-</span> delete-at-cursor editor, screen +<span id="L368" class="LineNr"> 368 </span><span class="Constant"> <end-delete-character></span> +<span id="L369" class="LineNr"> 369 </span> <span class="muControl"> return</span> <span id="L370" class="LineNr"> 370 </span> <span class="Delimiter">}</span> <span id="L371" class="LineNr"> 371 </span>] <span id="L372" class="LineNr"> 372 </span> -<span id="L373" class="LineNr"> 373 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L373'>delete-at-cursor</a> editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>go-render?:bool, deleted-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L373" class="LineNr"> 373 </span><span class="muRecipe">def</span> delete-at-cursor editor:&:editor, screen:&:screen<span class="muRecipe"> -> </span>go-render?:bool, deleted-cell:&:duplex-list:char, editor:&:editor, screen:&:screen [ <span id="L374" class="LineNr"> 374 </span> <span class="Constant">local-scope</span> <span id="L375" class="LineNr"> 375 </span> <span class="Constant">load-inputs</span> -<span id="L376" class="LineNr"> 376 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L377" class="LineNr"> 377 </span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L378" class="LineNr"> 378 </span> deleted-cell:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L376" class="LineNr"> 376 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L377" class="LineNr"> 377 </span> data:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L378" class="LineNr"> 378 </span> deleted-cell:&:duplex-list:char <span class="Special"><-</span> next before-cursor <span id="L379" class="LineNr"> 379 </span> <span class="muControl">return-unless</span> deleted-cell, <span class="Constant">0/don't-render</span> <span id="L380" class="LineNr"> 380 </span> currc:char <span class="Special"><-</span> get *deleted-cell, <span class="Constant">value:offset</span> <span id="L381" class="LineNr"> 381 </span> data <span class="Special"><-</span> remove deleted-cell, data <span id="L382" class="LineNr"> 382 </span> deleted-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> <span id="L383" class="LineNr"> 383 </span> <span class="muControl">return-if</span> deleted-newline?, <span class="Constant">1/go-render</span> <span id="L384" class="LineNr"> 384 </span> <span class="Comment"># wasn't a newline? render rest of line</span> -<span id="L385" class="LineNr"> 385 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor <span class="Comment"># refresh after remove above</span> +<span id="L385" class="LineNr"> 385 </span> curr:&:duplex-list:char <span class="Special"><-</span> next before-cursor <span class="Comment"># refresh after remove above</span> <span id="L386" class="LineNr"> 386 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L387" class="LineNr"> 387 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L388" class="LineNr"> 388 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column +<span id="L388" class="LineNr"> 388 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column <span id="L389" class="LineNr"> 389 </span> curr-column:num <span class="Special"><-</span> copy cursor-column -<span id="L390" class="LineNr"> 390 </span> <a href='../081print.mu.html#L768'>screen-width</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L390" class="LineNr"> 390 </span> screen-width:num <span class="Special"><-</span> screen-width screen <span id="L391" class="LineNr"> 391 </span> <span class="Delimiter">{</span> -<span id="L392" class="LineNr"> 392 </span> <span class="Conceal">¦</span> <span class="Comment"># hit right margin? give up and let caller render</span> -<span id="L393" class="LineNr"> 393 </span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> greater-or-equal curr-column, <a href='../081print.mu.html#L768'>screen-width</a> -<span id="L394" class="LineNr"> 394 </span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span> -<span id="L395" class="LineNr"> 395 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L396" class="LineNr"> 396 </span> <span class="Conceal">¦</span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L397" class="LineNr"> 397 </span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> -<span id="L398" class="LineNr"> 398 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L399" class="LineNr"> 399 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, currc -<span id="L400" class="LineNr"> 400 </span> <span class="Conceal">¦</span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> -<span id="L401" class="LineNr"> 401 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L402" class="LineNr"> 402 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L392" class="LineNr"> 392 </span> <span class="Comment"># hit right margin? give up and let caller render</span> +<span id="L393" class="LineNr"> 393 </span> at-right?:bool <span class="Special"><-</span> greater-or-equal curr-column, screen-width +<span id="L394" class="LineNr"> 394 </span> <span class="muControl">return-if</span> at-right?, <span class="Constant">1/go-render</span> +<span id="L395" class="LineNr"> 395 </span> <span class="muControl">break-unless</span> curr +<span id="L396" class="LineNr"> 396 </span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L397" class="LineNr"> 397 </span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> +<span id="L398" class="LineNr"> 398 </span> <span class="muControl">break-if</span> at-newline? +<span id="L399" class="LineNr"> 399 </span> screen <span class="Special"><-</span> print screen, currc +<span id="L400" class="LineNr"> 400 </span> curr-column <span class="Special"><-</span> add curr-column,<span class="Constant"> 1</span> +<span id="L401" class="LineNr"> 401 </span> curr <span class="Special"><-</span> next curr +<span id="L402" class="LineNr"> 402 </span> <span class="muControl"> loop</span> <span id="L403" class="LineNr"> 403 </span> <span class="Delimiter">}</span> <span id="L404" class="LineNr"> 404 </span> <span class="Comment"># we're guaranteed not to be at the right margin</span> <span id="L405" class="LineNr"> 405 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L406" class="LineNr"> 406 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, space +<span id="L406" class="LineNr"> 406 </span> screen <span class="Special"><-</span> print screen, space <span id="L407" class="LineNr"> 407 </span> go-render? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L408" class="LineNr"> 408 </span>] <span id="L409" class="LineNr"> 409 </span> @@ -474,90 +473,90 @@ if ('onhashchange' in window) { <span id="L412" class="LineNr"> 412 </span><span class="muScenario">scenario</span> editor-moves-cursor-right-with-key [ <span id="L413" class="LineNr"> 413 </span> <span class="Constant">local-scope</span> <span id="L414" class="LineNr"> 414 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L415" class="LineNr"> 415 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L416" class="LineNr"> 416 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L415" class="LineNr"> 415 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L416" class="LineNr"> 416 </span> editor-render screen, e <span id="L417" class="LineNr"> 417 </span> $clear-trace <span id="L418" class="LineNr"> 418 </span> assume-console [ -<span id="L419" class="LineNr"> 419 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L420" class="LineNr"> 420 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L419" class="LineNr"> 419 </span> press right-arrow +<span id="L420" class="LineNr"> 420 </span> type <span class="Constant">[0]</span> <span id="L421" class="LineNr"> 421 </span> ] <span id="L422" class="LineNr"> 422 </span> run [ -<span id="L423" class="LineNr"> 423 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L423" class="LineNr"> 423 </span> editor-event-loop screen, console, e <span id="L424" class="LineNr"> 424 </span> ] <span id="L425" class="LineNr"> 425 </span> screen-should-contain [ -<span id="L426" class="LineNr"> 426 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L427" class="LineNr"> 427 </span> <span class="Conceal">¦</span><span class="Constant"> .a0bc .</span> -<span id="L428" class="LineNr"> 428 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L429" class="LineNr"> 429 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L426" class="LineNr"> 426 </span> <span class="Constant"> . .</span> +<span id="L427" class="LineNr"> 427 </span> <span class="Constant"> .a0bc .</span> +<span id="L428" class="LineNr"> 428 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L429" class="LineNr"> 429 </span> <span class="Constant"> . .</span> <span id="L430" class="LineNr"> 430 </span> ] <span id="L431" class="LineNr"> 431 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span class="Comment"># 0 and following characters</span> <span id="L432" class="LineNr"> 432 </span>] <span id="L433" class="LineNr"> 433 </span> -<span id="L434" class="LineNr"> 434 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L434" class="LineNr"> 434 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L435" class="LineNr"> 435 </span> <span class="Delimiter">{</span> -<span id="L436" class="LineNr"> 436 </span> <span class="Conceal">¦</span> move-to-next-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65514/right-arrow</span> -<span id="L437" class="LineNr"> 437 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-next-character? -<span id="L438" class="LineNr"> 438 </span> <span class="Conceal">¦</span> <span class="Comment"># if not at end of text</span> -<span id="L439" class="LineNr"> 439 </span> <span class="Conceal">¦</span> next-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L440" class="LineNr"> 440 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> next-cursor -<span id="L441" class="LineNr"> 441 </span> <span class="Conceal">¦</span> <span class="Comment"># scan to next character</span> -<span id="L442" class="LineNr"> 442 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L443" class="LineNr"> 443 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy next-cursor -<span id="L444" class="LineNr"> 444 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L445" class="LineNr"> 445 </span> <span class="Conceal">¦</span> go-render?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L453'>move-cursor-coordinates-right</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L446" class="LineNr"> 446 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column -<span id="L447" class="LineNr"> 447 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">2/right-arrow</span> -<span id="L448" class="LineNr"> 448 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L449" class="LineNr"> 449 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L436" class="LineNr"> 436 </span> move-to-next-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65514/right-arrow</span> +<span id="L437" class="LineNr"> 437 </span> <span class="muControl">break-unless</span> move-to-next-character? +<span id="L438" class="LineNr"> 438 </span> <span class="Comment"># if not at end of text</span> +<span id="L439" class="LineNr"> 439 </span> next-cursor:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L440" class="LineNr"> 440 </span> <span class="muControl">break-unless</span> next-cursor +<span id="L441" class="LineNr"> 441 </span> <span class="Comment"># scan to next character</span> +<span id="L442" class="LineNr"> 442 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L443" class="LineNr"> 443 </span> before-cursor <span class="Special"><-</span> copy next-cursor +<span id="L444" class="LineNr"> 444 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L445" class="LineNr"> 445 </span> go-render?:bool <span class="Special"><-</span> move-cursor-coordinates-right editor, screen-height +<span id="L446" class="LineNr"> 446 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column +<span id="L447" class="LineNr"> 447 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">2/right-arrow</span> +<span id="L448" class="LineNr"> 448 </span><span class="Constant"> <end-move-cursor></span> +<span id="L449" class="LineNr"> 449 </span> <span class="muControl"> return</span> <span id="L450" class="LineNr"> 450 </span> <span class="Delimiter">}</span> <span id="L451" class="LineNr"> 451 </span>] <span id="L452" class="LineNr"> 452 </span> -<span id="L453" class="LineNr"> 453 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L453'>move-cursor-coordinates-right</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L453" class="LineNr"> 453 </span><span class="muRecipe">def</span> move-cursor-coordinates-right editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L454" class="LineNr"> 454 </span> <span class="Constant">local-scope</span> <span id="L455" class="LineNr"> 455 </span> <span class="Constant">load-inputs</span> -<span id="L456" class="LineNr"> 456 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor <span class="Constant">before-cursor:offset</span> +<span id="L456" class="LineNr"> 456 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor <span class="Constant">before-cursor:offset</span> <span id="L457" class="LineNr"> 457 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L458" class="LineNr"> 458 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L459" class="LineNr"> 459 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L460" class="LineNr"> 460 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L461" class="LineNr"> 461 </span> <span class="Comment"># if crossed a newline, move cursor to start of next row</span> <span id="L462" class="LineNr"> 462 </span> <span class="Delimiter">{</span> -<span id="L463" class="LineNr"> 463 </span> <span class="Conceal">¦</span> old-cursor-character:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> -<span id="L464" class="LineNr"> 464 </span> <span class="Conceal">¦</span> was-at-newline?:bool <span class="Special"><-</span> equal old-cursor-character, <span class="Constant">10/newline</span> -<span id="L465" class="LineNr"> 465 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> was-at-newline? -<span id="L466" class="LineNr"> 466 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> -<span id="L467" class="LineNr"> 467 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L468" class="LineNr"> 468 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy left -<span id="L469" class="LineNr"> 469 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L470" class="LineNr"> 470 </span> <span class="Conceal">¦</span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L782'>screen-height</a> <span class="Comment"># must be equal</span> -<span id="L471" class="LineNr"> 471 </span> <span class="Conceal">¦</span> <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/don't-render</span> -<span id="L472" class="LineNr"> 472 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <scroll-down></span> -<span id="L473" class="LineNr"> 473 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># bring back into screen range</span> -<span id="L474" class="LineNr"> 474 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L475" class="LineNr"> 475 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L463" class="LineNr"> 463 </span> old-cursor-character:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> +<span id="L464" class="LineNr"> 464 </span> was-at-newline?:bool <span class="Special"><-</span> equal old-cursor-character, <span class="Constant">10/newline</span> +<span id="L465" class="LineNr"> 465 </span> <span class="muControl">break-unless</span> was-at-newline? +<span id="L466" class="LineNr"> 466 </span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> +<span id="L467" class="LineNr"> 467 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L468" class="LineNr"> 468 </span> cursor-column <span class="Special"><-</span> copy left +<span id="L469" class="LineNr"> 469 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L470" class="LineNr"> 470 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, screen-height <span class="Comment"># must be equal</span> +<span id="L471" class="LineNr"> 471 </span> <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/don't-render</span> +<span id="L472" class="LineNr"> 472 </span><span class="Constant"> <scroll-down></span> +<span id="L473" class="LineNr"> 473 </span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># bring back into screen range</span> +<span id="L474" class="LineNr"> 474 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L475" class="LineNr"> 475 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L476" class="LineNr"> 476 </span> <span class="Delimiter">}</span> <span id="L477" class="LineNr"> 477 </span> <span class="Comment"># if the line wraps, move cursor to start of next row</span> <span id="L478" class="LineNr"> 478 </span> <span class="Delimiter">{</span> -<span id="L479" class="LineNr"> 479 </span> <span class="Conceal">¦</span> <span class="Comment"># if we're at the column just before the wrap indicator</span> -<span id="L480" class="LineNr"> 480 </span> <span class="Conceal">¦</span> wrap-column:num <span class="Special"><-</span> subtract right,<span class="Constant"> 1</span> -<span id="L481" class="LineNr"> 481 </span> <span class="Conceal">¦</span> at-wrap?:bool <span class="Special"><-</span> equal cursor-column, wrap-column -<span id="L482" class="LineNr"> 482 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-wrap? -<span id="L483" class="LineNr"> 483 </span> <span class="Conceal">¦</span> <span class="Comment"># and if next character isn't newline</span> -<span id="L484" class="LineNr"> 484 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L485" class="LineNr"> 485 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L486" class="LineNr"> 486 </span> <span class="Conceal">¦</span> next-character:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> -<span id="L487" class="LineNr"> 487 </span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal next-character, <span class="Constant">10/newline</span> -<span id="L488" class="LineNr"> 488 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> newline? -<span id="L489" class="LineNr"> 489 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> -<span id="L490" class="LineNr"> 490 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L491" class="LineNr"> 491 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy left -<span id="L492" class="LineNr"> 492 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L493" class="LineNr"> 493 </span> <span class="Conceal">¦</span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, <a href='../081print.mu.html#L782'>screen-height</a> <span class="Comment"># must be equal</span> -<span id="L494" class="LineNr"> 494 </span> <span class="Conceal">¦</span> <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/no-more-render</span> -<span id="L495" class="LineNr"> 495 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <scroll-down></span> -<span id="L496" class="LineNr"> 496 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># bring back into screen range</span> -<span id="L497" class="LineNr"> 497 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L498" class="LineNr"> 498 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L479" class="LineNr"> 479 </span> <span class="Comment"># if we're at the column just before the wrap indicator</span> +<span id="L480" class="LineNr"> 480 </span> wrap-column:num <span class="Special"><-</span> subtract right,<span class="Constant"> 1</span> +<span id="L481" class="LineNr"> 481 </span> at-wrap?:bool <span class="Special"><-</span> equal cursor-column, wrap-column +<span id="L482" class="LineNr"> 482 </span> <span class="muControl">break-unless</span> at-wrap? +<span id="L483" class="LineNr"> 483 </span> <span class="Comment"># and if next character isn't newline</span> +<span id="L484" class="LineNr"> 484 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L485" class="LineNr"> 485 </span> <span class="muControl">break-unless</span> next +<span id="L486" class="LineNr"> 486 </span> next-character:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> +<span id="L487" class="LineNr"> 487 </span> newline?:bool <span class="Special"><-</span> equal next-character, <span class="Constant">10/newline</span> +<span id="L488" class="LineNr"> 488 </span> <span class="muControl">break-if</span> newline? +<span id="L489" class="LineNr"> 489 </span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> +<span id="L490" class="LineNr"> 490 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L491" class="LineNr"> 491 </span> cursor-column <span class="Special"><-</span> copy left +<span id="L492" class="LineNr"> 492 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L493" class="LineNr"> 493 </span> below-screen?:bool <span class="Special"><-</span> greater-or-equal cursor-row, screen-height <span class="Comment"># must be equal</span> +<span id="L494" class="LineNr"> 494 </span> <span class="muControl">return-unless</span> below-screen?, <span class="Constant">0/no-more-render</span> +<span id="L495" class="LineNr"> 495 </span><span class="Constant"> <scroll-down></span> +<span id="L496" class="LineNr"> 496 </span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># bring back into screen range</span> +<span id="L497" class="LineNr"> 497 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L498" class="LineNr"> 498 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L499" class="LineNr"> 499 </span> <span class="Delimiter">}</span> <span id="L500" class="LineNr"> 500 </span> <span class="Comment"># otherwise move cursor one character right</span> <span id="L501" class="LineNr"> 501 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> @@ -570,33 +569,33 @@ if ('onhashchange' in window) { <span id="L508" class="LineNr"> 508 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L509" class="LineNr"> 509 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L510" class="LineNr"> 510 </span><span class="Constant">d]</span> -<span id="L511" class="LineNr"> 511 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L512" class="LineNr"> 512 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L511" class="LineNr"> 511 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L512" class="LineNr"> 512 </span> editor-render screen, e <span id="L513" class="LineNr"> 513 </span> $clear-trace <span id="L514" class="LineNr"> 514 </span> <span class="Comment"># type right-arrow a few times to get to start of second line</span> <span id="L515" class="LineNr"> 515 </span> assume-console [ -<span id="L516" class="LineNr"> 516 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L517" class="LineNr"> 517 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L518" class="LineNr"> 518 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L519" class="LineNr"> 519 </span> <span class="Conceal">¦</span> press right-arrow <span class="Comment"># next line</span> +<span id="L516" class="LineNr"> 516 </span> press right-arrow +<span id="L517" class="LineNr"> 517 </span> press right-arrow +<span id="L518" class="LineNr"> 518 </span> press right-arrow +<span id="L519" class="LineNr"> 519 </span> press right-arrow <span class="Comment"># next line</span> <span id="L520" class="LineNr"> 520 </span> ] <span id="L521" class="LineNr"> 521 </span> run [ -<span id="L522" class="LineNr"> 522 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L522" class="LineNr"> 522 </span> editor-event-loop screen, console, e <span id="L523" class="LineNr"> 523 </span> ] <span id="L524" class="LineNr"> 524 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L525" class="LineNr"> 525 </span> <span class="Comment"># type something and ensure it goes where it should</span> <span id="L526" class="LineNr"> 526 </span> assume-console [ -<span id="L527" class="LineNr"> 527 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L527" class="LineNr"> 527 </span> type <span class="Constant">[0]</span> <span id="L528" class="LineNr"> 528 </span> ] <span id="L529" class="LineNr"> 529 </span> run [ -<span id="L530" class="LineNr"> 530 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L530" class="LineNr"> 530 </span> editor-event-loop screen, console, e <span id="L531" class="LineNr"> 531 </span> ] <span id="L532" class="LineNr"> 532 </span> screen-should-contain [ -<span id="L533" class="LineNr"> 533 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L534" class="LineNr"> 534 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L535" class="LineNr"> 535 </span> <span class="Conceal">¦</span><span class="Constant"> .0d .</span> -<span id="L536" class="LineNr"> 536 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L537" class="LineNr"> 537 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L533" class="LineNr"> 533 </span> <span class="Constant"> . .</span> +<span id="L534" class="LineNr"> 534 </span> <span class="Constant"> .abc .</span> +<span id="L535" class="LineNr"> 535 </span> <span class="Constant"> .0d .</span> +<span id="L536" class="LineNr"> 536 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L537" class="LineNr"> 537 </span> <span class="Constant"> . .</span> <span id="L538" class="LineNr"> 538 </span> ] <span id="L539" class="LineNr"> 539 </span> check-trace-count-for-label<span class="Constant"> 2</span>, <span class="Constant">[print-character]</span> <span class="Comment"># new length of second line</span> <span id="L540" class="LineNr"> 540 </span>] @@ -606,52 +605,52 @@ if ('onhashchange' in window) { <span id="L544" class="LineNr"> 544 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L545" class="LineNr"> 545 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L546" class="LineNr"> 546 </span><span class="Constant">d]</span> -<span id="L547" class="LineNr"> 547 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> -<span id="L548" class="LineNr"> 548 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L547" class="LineNr"> 547 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> +<span id="L548" class="LineNr"> 548 </span> editor-render screen, e <span id="L549" class="LineNr"> 549 </span> assume-console [ -<span id="L550" class="LineNr"> 550 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L551" class="LineNr"> 551 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L552" class="LineNr"> 552 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L553" class="LineNr"> 553 </span> <span class="Conceal">¦</span> press right-arrow <span class="Comment"># next line</span> -<span id="L554" class="LineNr"> 554 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L550" class="LineNr"> 550 </span> press right-arrow +<span id="L551" class="LineNr"> 551 </span> press right-arrow +<span id="L552" class="LineNr"> 552 </span> press right-arrow +<span id="L553" class="LineNr"> 553 </span> press right-arrow <span class="Comment"># next line</span> +<span id="L554" class="LineNr"> 554 </span> type <span class="Constant">[0]</span> <span id="L555" class="LineNr"> 555 </span> ] <span id="L556" class="LineNr"> 556 </span> run [ -<span id="L557" class="LineNr"> 557 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L557" class="LineNr"> 557 </span> editor-event-loop screen, console, e <span id="L558" class="LineNr"> 558 </span> ] <span id="L559" class="LineNr"> 559 </span> screen-should-contain [ -<span id="L560" class="LineNr"> 560 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L561" class="LineNr"> 561 </span> <span class="Conceal">¦</span><span class="Constant"> . abc .</span> -<span id="L562" class="LineNr"> 562 </span> <span class="Conceal">¦</span><span class="Constant"> . 0d .</span> -<span id="L563" class="LineNr"> 563 </span> <span class="Conceal">¦</span><span class="Constant"> . ╌╌╌╌╌╌╌╌╌.</span> -<span id="L564" class="LineNr"> 564 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L560" class="LineNr"> 560 </span> <span class="Constant"> . .</span> +<span id="L561" class="LineNr"> 561 </span> <span class="Constant"> . abc .</span> +<span id="L562" class="LineNr"> 562 </span> <span class="Constant"> . 0d .</span> +<span id="L563" class="LineNr"> 563 </span> <span class="Constant"> . ╌╌╌╌╌╌╌╌╌.</span> +<span id="L564" class="LineNr"> 564 </span> <span class="Constant"> . .</span> <span id="L565" class="LineNr"> 565 </span> ] <span id="L566" class="LineNr"> 566 </span>] <span id="L567" class="LineNr"> 567 </span> <span id="L568" class="LineNr"> 568 </span><span class="muScenario">scenario</span> editor-moves-cursor-to-next-wrapped-line-with-right-arrow [ <span id="L569" class="LineNr"> 569 </span> <span class="Constant">local-scope</span> <span id="L570" class="LineNr"> 570 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L571" class="LineNr"> 571 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L572" class="LineNr"> 572 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L571" class="LineNr"> 571 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L572" class="LineNr"> 572 </span> editor-render screen, e <span id="L573" class="LineNr"> 573 </span> $clear-trace <span id="L574" class="LineNr"> 574 </span> assume-console [ -<span id="L575" class="LineNr"> 575 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L576" class="LineNr"> 576 </span> <span class="Conceal">¦</span> press right-arrow +<span id="L575" class="LineNr"> 575 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L576" class="LineNr"> 576 </span> press right-arrow <span id="L577" class="LineNr"> 577 </span> ] <span id="L578" class="LineNr"> 578 </span> run [ -<span id="L579" class="LineNr"> 579 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L580" class="LineNr"> 580 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L581" class="LineNr"> 581 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L579" class="LineNr"> 579 </span> editor-event-loop screen, console, e +<span id="L580" class="LineNr"> 580 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L581" class="LineNr"> 581 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L582" class="LineNr"> 582 </span> ] <span id="L583" class="LineNr"> 583 </span> screen-should-contain [ -<span id="L584" class="LineNr"> 584 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L585" class="LineNr"> 585 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L586" class="LineNr"> 586 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L587" class="LineNr"> 587 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L588" class="LineNr"> 588 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L584" class="LineNr"> 584 </span> <span class="Constant"> . .</span> +<span id="L585" class="LineNr"> 585 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L586" class="LineNr"> 586 </span> <span class="Constant"> .ef .</span> +<span id="L587" class="LineNr"> 587 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L588" class="LineNr"> 588 </span> <span class="Constant"> . .</span> <span id="L589" class="LineNr"> 589 </span> ] <span id="L590" class="LineNr"> 590 </span> memory-should-contain [ -<span id="L591" class="LineNr"> 591 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L592" class="LineNr"> 592 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L591" class="LineNr"> 591 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L592" class="LineNr"> 592 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L593" class="LineNr"> 593 </span> ] <span id="L594" class="LineNr"> 594 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L595" class="LineNr"> 595 </span>] @@ -660,35 +659,35 @@ if ('onhashchange' in window) { <span id="L598" class="LineNr"> 598 </span> <span class="Constant">local-scope</span> <span id="L599" class="LineNr"> 599 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L600" class="LineNr"> 600 </span> <span class="Comment"># line just barely wrapping</span> -<span id="L601" class="LineNr"> 601 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L602" class="LineNr"> 602 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L601" class="LineNr"> 601 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L602" class="LineNr"> 602 </span> editor-render screen, e <span id="L603" class="LineNr"> 603 </span> $clear-trace <span id="L604" class="LineNr"> 604 </span> <span class="Comment"># position cursor at last character before wrap and hit right-arrow</span> <span id="L605" class="LineNr"> 605 </span> assume-console [ -<span id="L606" class="LineNr"> 606 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L607" class="LineNr"> 607 </span> <span class="Conceal">¦</span> press right-arrow +<span id="L606" class="LineNr"> 606 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L607" class="LineNr"> 607 </span> press right-arrow <span id="L608" class="LineNr"> 608 </span> ] <span id="L609" class="LineNr"> 609 </span> run [ -<span id="L610" class="LineNr"> 610 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L611" class="LineNr"> 611 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L612" class="LineNr"> 612 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L610" class="LineNr"> 610 </span> editor-event-loop screen, console, e +<span id="L611" class="LineNr"> 611 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L612" class="LineNr"> 612 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L613" class="LineNr"> 613 </span> ] <span id="L614" class="LineNr"> 614 </span> memory-should-contain [ -<span id="L615" class="LineNr"> 615 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L616" class="LineNr"> 616 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L615" class="LineNr"> 615 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L616" class="LineNr"> 616 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L617" class="LineNr"> 617 </span> ] <span id="L618" class="LineNr"> 618 </span> <span class="Comment"># now hit right arrow again</span> <span id="L619" class="LineNr"> 619 </span> assume-console [ -<span id="L620" class="LineNr"> 620 </span> <span class="Conceal">¦</span> press right-arrow +<span id="L620" class="LineNr"> 620 </span> press right-arrow <span id="L621" class="LineNr"> 621 </span> ] <span id="L622" class="LineNr"> 622 </span> run [ -<span id="L623" class="LineNr"> 623 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L624" class="LineNr"> 624 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L625" class="LineNr"> 625 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L623" class="LineNr"> 623 </span> editor-event-loop screen, console, e +<span id="L624" class="LineNr"> 624 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L625" class="LineNr"> 625 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L626" class="LineNr"> 626 </span> ] <span id="L627" class="LineNr"> 627 </span> memory-should-contain [ -<span id="L628" class="LineNr"> 628 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L629" class="LineNr"> 629 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L628" class="LineNr"> 628 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L629" class="LineNr"> 629 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L630" class="LineNr"> 630 </span> ] <span id="L631" class="LineNr"> 631 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L632" class="LineNr"> 632 </span>] @@ -696,28 +695,28 @@ if ('onhashchange' in window) { <span id="L634" class="LineNr"> 634 </span><span class="muScenario">scenario</span> editor-moves-cursor-to-next-wrapped-line-with-right-arrow-3 [ <span id="L635" class="LineNr"> 635 </span> <span class="Constant">local-scope</span> <span id="L636" class="LineNr"> 636 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L637" class="LineNr"> 637 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdef]</span>, <span class="Constant">1/left</span>, <span class="Constant">6/right</span> -<span id="L638" class="LineNr"> 638 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L637" class="LineNr"> 637 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">1/left</span>, <span class="Constant">6/right</span> +<span id="L638" class="LineNr"> 638 </span> editor-render screen, e <span id="L639" class="LineNr"> 639 </span> $clear-trace <span id="L640" class="LineNr"> 640 </span> assume-console [ -<span id="L641" class="LineNr"> 641 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span> -<span id="L642" class="LineNr"> 642 </span> <span class="Conceal">¦</span> press right-arrow +<span id="L641" class="LineNr"> 641 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 4</span> +<span id="L642" class="LineNr"> 642 </span> press right-arrow <span id="L643" class="LineNr"> 643 </span> ] <span id="L644" class="LineNr"> 644 </span> run [ -<span id="L645" class="LineNr"> 645 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L646" class="LineNr"> 646 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L647" class="LineNr"> 647 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L645" class="LineNr"> 645 </span> editor-event-loop screen, console, e +<span id="L646" class="LineNr"> 646 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L647" class="LineNr"> 647 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L648" class="LineNr"> 648 </span> ] <span id="L649" class="LineNr"> 649 </span> screen-should-contain [ -<span id="L650" class="LineNr"> 650 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L651" class="LineNr"> 651 </span> <span class="Conceal">¦</span><span class="Constant"> . abcd↩ .</span> -<span id="L652" class="LineNr"> 652 </span> <span class="Conceal">¦</span><span class="Constant"> . ef .</span> -<span id="L653" class="LineNr"> 653 </span> <span class="Conceal">¦</span><span class="Constant"> . ╌╌╌╌╌ .</span> -<span id="L654" class="LineNr"> 654 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L650" class="LineNr"> 650 </span> <span class="Constant"> . .</span> +<span id="L651" class="LineNr"> 651 </span> <span class="Constant"> . abcd↩ .</span> +<span id="L652" class="LineNr"> 652 </span> <span class="Constant"> . ef .</span> +<span id="L653" class="LineNr"> 653 </span> <span class="Constant"> . ╌╌╌╌╌ .</span> +<span id="L654" class="LineNr"> 654 </span> <span class="Constant"> . .</span> <span id="L655" class="LineNr"> 655 </span> ] <span id="L656" class="LineNr"> 656 </span> memory-should-contain [ -<span id="L657" class="LineNr"> 657 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L658" class="LineNr"> 658 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L657" class="LineNr"> 657 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L658" class="LineNr"> 658 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L659" class="LineNr"> 659 </span> ] <span id="L660" class="LineNr"> 660 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L661" class="LineNr"> 661 </span>] @@ -727,25 +726,25 @@ if ('onhashchange' in window) { <span id="L665" class="LineNr"> 665 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L666" class="LineNr"> 666 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L667" class="LineNr"> 667 </span><span class="Constant">d]</span> -<span id="L668" class="LineNr"> 668 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L669" class="LineNr"> 669 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L668" class="LineNr"> 668 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L669" class="LineNr"> 669 </span> editor-render screen, e <span id="L670" class="LineNr"> 670 </span> $clear-trace <span id="L671" class="LineNr"> 671 </span> <span class="Comment"># move to end of line, press right-arrow, type a character</span> <span id="L672" class="LineNr"> 672 </span> assume-console [ -<span id="L673" class="LineNr"> 673 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L674" class="LineNr"> 674 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L675" class="LineNr"> 675 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L673" class="LineNr"> 673 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L674" class="LineNr"> 674 </span> press right-arrow +<span id="L675" class="LineNr"> 675 </span> type <span class="Constant">[0]</span> <span id="L676" class="LineNr"> 676 </span> ] <span id="L677" class="LineNr"> 677 </span> run [ -<span id="L678" class="LineNr"> 678 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L678" class="LineNr"> 678 </span> editor-event-loop screen, console, e <span id="L679" class="LineNr"> 679 </span> ] <span id="L680" class="LineNr"> 680 </span> <span class="Comment"># new character should be in next line</span> <span id="L681" class="LineNr"> 681 </span> screen-should-contain [ -<span id="L682" class="LineNr"> 682 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L683" class="LineNr"> 683 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L684" class="LineNr"> 684 </span> <span class="Conceal">¦</span><span class="Constant"> .0d .</span> -<span id="L685" class="LineNr"> 685 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L686" class="LineNr"> 686 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L682" class="LineNr"> 682 </span> <span class="Constant"> . .</span> +<span id="L683" class="LineNr"> 683 </span> <span class="Constant"> .abc .</span> +<span id="L684" class="LineNr"> 684 </span> <span class="Constant"> .0d .</span> +<span id="L685" class="LineNr"> 685 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L686" class="LineNr"> 686 </span> <span class="Constant"> . .</span> <span id="L687" class="LineNr"> 687 </span> ] <span id="L688" class="LineNr"> 688 </span> check-trace-count-for-label<span class="Constant"> 2</span>, <span class="Constant">[print-character]</span> <span id="L689" class="LineNr"> 689 </span>] @@ -757,41 +756,41 @@ if ('onhashchange' in window) { <span id="L695" class="LineNr"> 695 </span><span class="muScenario">scenario</span> editor-moves-cursor-left-with-key [ <span id="L696" class="LineNr"> 696 </span> <span class="Constant">local-scope</span> <span id="L697" class="LineNr"> 697 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L698" class="LineNr"> 698 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L699" class="LineNr"> 699 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L698" class="LineNr"> 698 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L699" class="LineNr"> 699 </span> editor-render screen, e <span id="L700" class="LineNr"> 700 </span> $clear-trace <span id="L701" class="LineNr"> 701 </span> assume-console [ -<span id="L702" class="LineNr"> 702 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<span id="L703" class="LineNr"> 703 </span> <span class="Conceal">¦</span> press left-arrow -<span id="L704" class="LineNr"> 704 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L702" class="LineNr"> 702 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L703" class="LineNr"> 703 </span> press left-arrow +<span id="L704" class="LineNr"> 704 </span> type <span class="Constant">[0]</span> <span id="L705" class="LineNr"> 705 </span> ] <span id="L706" class="LineNr"> 706 </span> run [ -<span id="L707" class="LineNr"> 707 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L707" class="LineNr"> 707 </span> editor-event-loop screen, console, e <span id="L708" class="LineNr"> 708 </span> ] <span id="L709" class="LineNr"> 709 </span> screen-should-contain [ -<span id="L710" class="LineNr"> 710 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L711" class="LineNr"> 711 </span> <span class="Conceal">¦</span><span class="Constant"> .a0bc .</span> -<span id="L712" class="LineNr"> 712 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L713" class="LineNr"> 713 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L710" class="LineNr"> 710 </span> <span class="Constant"> . .</span> +<span id="L711" class="LineNr"> 711 </span> <span class="Constant"> .a0bc .</span> +<span id="L712" class="LineNr"> 712 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L713" class="LineNr"> 713 </span> <span class="Constant"> . .</span> <span id="L714" class="LineNr"> 714 </span> ] <span id="L715" class="LineNr"> 715 </span> check-trace-count-for-label<span class="Constant"> 3</span>, <span class="Constant">[print-character]</span> <span id="L716" class="LineNr"> 716 </span>] <span id="L717" class="LineNr"> 717 </span> -<span id="L718" class="LineNr"> 718 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L718" class="LineNr"> 718 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L719" class="LineNr"> 719 </span> <span class="Delimiter">{</span> -<span id="L720" class="LineNr"> 720 </span> <span class="Conceal">¦</span> move-to-previous-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65515/left-arrow</span> -<span id="L721" class="LineNr"> 721 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-previous-character? -<span id="L722" class="LineNr"> 722 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[left arrow]</span> -<span id="L723" class="LineNr"> 723 </span> <span class="Conceal">¦</span> <span class="Comment"># if not at start of text (before-cursor at § sentinel)</span> -<span id="L724" class="LineNr"> 724 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor -<span id="L725" class="LineNr"> 725 </span> <span class="Conceal">¦</span> <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a>, <span class="Constant">0/don't-render</span> -<span id="L726" class="LineNr"> 726 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L727" class="LineNr"> 727 </span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L156'>move-cursor-coordinates-left</a> editor -<span id="L728" class="LineNr"> 728 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L729" class="LineNr"> 729 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L730" class="LineNr"> 730 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">1/left-arrow</span> -<span id="L731" class="LineNr"> 731 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L732" class="LineNr"> 732 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L720" class="LineNr"> 720 </span> move-to-previous-character?:bool <span class="Special"><-</span> equal k, <span class="Constant">65515/left-arrow</span> +<span id="L721" class="LineNr"> 721 </span> <span class="muControl">break-unless</span> move-to-previous-character? +<span id="L722" class="LineNr"> 722 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[left arrow]</span> +<span id="L723" class="LineNr"> 723 </span> <span class="Comment"># if not at start of text (before-cursor at § sentinel)</span> +<span id="L724" class="LineNr"> 724 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev before-cursor +<span id="L725" class="LineNr"> 725 </span> <span class="muControl">return-unless</span> prev, <span class="Constant">0/don't-render</span> +<span id="L726" class="LineNr"> 726 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L727" class="LineNr"> 727 </span> go-render? <span class="Special"><-</span> move-cursor-coordinates-left editor +<span id="L728" class="LineNr"> 728 </span> before-cursor <span class="Special"><-</span> copy prev +<span id="L729" class="LineNr"> 729 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L730" class="LineNr"> 730 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">1/left-arrow</span> +<span id="L731" class="LineNr"> 731 </span><span class="Constant"> <end-move-cursor></span> +<span id="L732" class="LineNr"> 732 </span> <span class="muControl"> return</span> <span id="L733" class="LineNr"> 733 </span> <span class="Delimiter">}</span> <span id="L734" class="LineNr"> 734 </span>] <span id="L735" class="LineNr"> 735 </span> @@ -801,22 +800,22 @@ if ('onhashchange' in window) { <span id="L739" class="LineNr"> 739 </span> <span class="Comment"># initialize editor with two lines</span> <span id="L740" class="LineNr"> 740 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L741" class="LineNr"> 741 </span><span class="Constant">d]</span> -<span id="L742" class="LineNr"> 742 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L743" class="LineNr"> 743 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L742" class="LineNr"> 742 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L743" class="LineNr"> 743 </span> editor-render screen, e <span id="L744" class="LineNr"> 744 </span> $clear-trace <span id="L745" class="LineNr"> 745 </span> <span class="Comment"># position cursor at start of second line (so there's no previous newline)</span> <span id="L746" class="LineNr"> 746 </span> assume-console [ -<span id="L747" class="LineNr"> 747 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L748" class="LineNr"> 748 </span> <span class="Conceal">¦</span> press left-arrow +<span id="L747" class="LineNr"> 747 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L748" class="LineNr"> 748 </span> press left-arrow <span id="L749" class="LineNr"> 749 </span> ] <span id="L750" class="LineNr"> 750 </span> run [ -<span id="L751" class="LineNr"> 751 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L752" class="LineNr"> 752 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L753" class="LineNr"> 753 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L751" class="LineNr"> 751 </span> editor-event-loop screen, console, e +<span id="L752" class="LineNr"> 752 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L753" class="LineNr"> 753 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L754" class="LineNr"> 754 </span> ] <span id="L755" class="LineNr"> 755 </span> memory-should-contain [ -<span id="L756" class="LineNr"> 756 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L757" class="LineNr"> 757 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L756" class="LineNr"> 756 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L757" class="LineNr"> 757 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L758" class="LineNr"> 758 </span> ] <span id="L759" class="LineNr"> 759 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L760" class="LineNr"> 760 </span>] @@ -828,25 +827,25 @@ if ('onhashchange' in window) { <span id="L766" class="LineNr"> 766 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L767" class="LineNr"> 767 </span><span class="Constant">def</span> <span id="L768" class="LineNr"> 768 </span><span class="Constant">g]</span> -<span id="L769" class="LineNr"> 769 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s:text, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L770" class="LineNr"> 770 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L769" class="LineNr"> 769 </span> e:&:editor <span class="Special"><-</span> new-editor s:text, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L770" class="LineNr"> 770 </span> editor-render screen, e <span id="L771" class="LineNr"> 771 </span> $clear-trace <span id="L772" class="LineNr"> 772 </span> <span class="Comment"># position cursor further down (so there's a newline before the character at</span> <span id="L773" class="LineNr"> 773 </span> <span class="Comment"># the cursor)</span> <span id="L774" class="LineNr"> 774 </span> assume-console [ -<span id="L775" class="LineNr"> 775 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L776" class="LineNr"> 776 </span> <span class="Conceal">¦</span> press left-arrow -<span id="L777" class="LineNr"> 777 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L775" class="LineNr"> 775 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L776" class="LineNr"> 776 </span> press left-arrow +<span id="L777" class="LineNr"> 777 </span> type <span class="Constant">[0]</span> <span id="L778" class="LineNr"> 778 </span> ] <span id="L779" class="LineNr"> 779 </span> run [ -<span id="L780" class="LineNr"> 780 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L780" class="LineNr"> 780 </span> editor-event-loop screen, console, e <span id="L781" class="LineNr"> 781 </span> ] <span id="L782" class="LineNr"> 782 </span> screen-should-contain [ -<span id="L783" class="LineNr"> 783 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L784" class="LineNr"> 784 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L785" class="LineNr"> 785 </span> <span class="Conceal">¦</span><span class="Constant"> .def0 .</span> -<span id="L786" class="LineNr"> 786 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L787" class="LineNr"> 787 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L783" class="LineNr"> 783 </span> <span class="Constant"> . .</span> +<span id="L784" class="LineNr"> 784 </span> <span class="Constant"> .abc .</span> +<span id="L785" class="LineNr"> 785 </span> <span class="Constant"> .def0 .</span> +<span id="L786" class="LineNr"> 786 </span> <span class="Constant"> .g .</span> +<span id="L787" class="LineNr"> 787 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L788" class="LineNr"> 788 </span> ] <span id="L789" class="LineNr"> 789 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span class="Comment"># just the '0'</span> <span id="L790" class="LineNr"> 790 </span>] @@ -857,25 +856,25 @@ if ('onhashchange' in window) { <span id="L795" class="LineNr"> 795 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L796" class="LineNr"> 796 </span><span class="Constant">def</span> <span id="L797" class="LineNr"> 797 </span><span class="Constant">g]</span> -<span id="L798" class="LineNr"> 798 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L799" class="LineNr"> 799 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L798" class="LineNr"> 798 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L799" class="LineNr"> 799 </span> editor-render screen, e <span id="L800" class="LineNr"> 800 </span> $clear-trace <span id="L801" class="LineNr"> 801 </span> <span class="Comment"># position cursor at start of text, press left-arrow, then type a character</span> <span id="L802" class="LineNr"> 802 </span> assume-console [ -<span id="L803" class="LineNr"> 803 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 0</span> -<span id="L804" class="LineNr"> 804 </span> <span class="Conceal">¦</span> press left-arrow -<span id="L805" class="LineNr"> 805 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L803" class="LineNr"> 803 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 0</span> +<span id="L804" class="LineNr"> 804 </span> press left-arrow +<span id="L805" class="LineNr"> 805 </span> type <span class="Constant">[0]</span> <span id="L806" class="LineNr"> 806 </span> ] <span id="L807" class="LineNr"> 807 </span> run [ -<span id="L808" class="LineNr"> 808 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L808" class="LineNr"> 808 </span> editor-event-loop screen, console, e <span id="L809" class="LineNr"> 809 </span> ] <span id="L810" class="LineNr"> 810 </span> <span class="Comment"># left-arrow should have had no effect</span> <span id="L811" class="LineNr"> 811 </span> screen-should-contain [ -<span id="L812" class="LineNr"> 812 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L813" class="LineNr"> 813 </span> <span class="Conceal">¦</span><span class="Constant"> .0abc .</span> -<span id="L814" class="LineNr"> 814 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L815" class="LineNr"> 815 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L816" class="LineNr"> 816 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L812" class="LineNr"> 812 </span> <span class="Constant"> . .</span> +<span id="L813" class="LineNr"> 813 </span> <span class="Constant"> .0abc .</span> +<span id="L814" class="LineNr"> 814 </span> <span class="Constant"> .def .</span> +<span id="L815" class="LineNr"> 815 </span> <span class="Constant"> .g .</span> +<span id="L816" class="LineNr"> 816 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L817" class="LineNr"> 817 </span> ] <span id="L818" class="LineNr"> 818 </span> check-trace-count-for-label<span class="Constant"> 4</span>, <span class="Constant">[print-character]</span> <span class="Comment"># length of first line</span> <span id="L819" class="LineNr"> 819 </span>] @@ -887,24 +886,24 @@ if ('onhashchange' in window) { <span id="L825" class="LineNr"> 825 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L826" class="LineNr"> 826 </span> <span id="L827" class="LineNr"> 827 </span>d] -<span id="L828" class="LineNr"> 828 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L829" class="LineNr"> 829 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e:&:editor +<span id="L828" class="LineNr"> 828 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L829" class="LineNr"> 829 </span> editor-render screen, e:&:editor <span id="L830" class="LineNr"> 830 </span> $clear-trace <span id="L831" class="LineNr"> 831 </span> <span class="Comment"># position cursor right after empty line</span> <span id="L832" class="LineNr"> 832 </span> assume-console [ -<span id="L833" class="LineNr"> 833 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L834" class="LineNr"> 834 </span> <span class="Conceal">¦</span> press left-arrow -<span id="L835" class="LineNr"> 835 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L833" class="LineNr"> 833 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L834" class="LineNr"> 834 </span> press left-arrow +<span id="L835" class="LineNr"> 835 </span> type <span class="Constant">[0]</span> <span id="L836" class="LineNr"> 836 </span> ] <span id="L837" class="LineNr"> 837 </span> run [ -<span id="L838" class="LineNr"> 838 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L838" class="LineNr"> 838 </span> editor-event-loop screen, console, e <span id="L839" class="LineNr"> 839 </span> ] <span id="L840" class="LineNr"> 840 </span> screen-should-contain [ -<span id="L841" class="LineNr"> 841 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L842" class="LineNr"> 842 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L843" class="LineNr"> 843 </span> <span class="Conceal">¦</span><span class="Constant"> .0 .</span> -<span id="L844" class="LineNr"> 844 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L845" class="LineNr"> 845 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L841" class="LineNr"> 841 </span> <span class="Constant"> . .</span> +<span id="L842" class="LineNr"> 842 </span> <span class="Constant"> .abc .</span> +<span id="L843" class="LineNr"> 843 </span> <span class="Constant"> .0 .</span> +<span id="L844" class="LineNr"> 844 </span> <span class="Constant"> .d .</span> +<span id="L845" class="LineNr"> 845 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L846" class="LineNr"> 846 </span> ] <span id="L847" class="LineNr"> 847 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span class="Comment"># just the '0'</span> <span id="L848" class="LineNr"> 848 </span>] @@ -913,29 +912,29 @@ if ('onhashchange' in window) { <span id="L851" class="LineNr"> 851 </span> <span class="Constant">local-scope</span> <span id="L852" class="LineNr"> 852 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L853" class="LineNr"> 853 </span> <span class="Comment"># initialize editor with a wrapping line</span> -<span id="L854" class="LineNr"> 854 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L855" class="LineNr"> 855 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L854" class="LineNr"> 854 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdef]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L855" class="LineNr"> 855 </span> editor-render screen, e <span id="L856" class="LineNr"> 856 </span> $clear-trace <span id="L857" class="LineNr"> 857 </span> screen-should-contain [ -<span id="L858" class="LineNr"> 858 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L859" class="LineNr"> 859 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L860" class="LineNr"> 860 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L861" class="LineNr"> 861 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L862" class="LineNr"> 862 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L858" class="LineNr"> 858 </span> <span class="Constant"> . .</span> +<span id="L859" class="LineNr"> 859 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L860" class="LineNr"> 860 </span> <span class="Constant"> .ef .</span> +<span id="L861" class="LineNr"> 861 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L862" class="LineNr"> 862 </span> <span class="Constant"> . .</span> <span id="L863" class="LineNr"> 863 </span> ] <span id="L864" class="LineNr"> 864 </span> <span class="Comment"># position cursor right after empty line</span> <span id="L865" class="LineNr"> 865 </span> assume-console [ -<span id="L866" class="LineNr"> 866 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L867" class="LineNr"> 867 </span> <span class="Conceal">¦</span> press left-arrow +<span id="L866" class="LineNr"> 866 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L867" class="LineNr"> 867 </span> press left-arrow <span id="L868" class="LineNr"> 868 </span> ] <span id="L869" class="LineNr"> 869 </span> run [ -<span id="L870" class="LineNr"> 870 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L871" class="LineNr"> 871 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L872" class="LineNr"> 872 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L870" class="LineNr"> 870 </span> editor-event-loop screen, console, e +<span id="L871" class="LineNr"> 871 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L872" class="LineNr"> 872 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L873" class="LineNr"> 873 </span> ] <span id="L874" class="LineNr"> 874 </span> memory-should-contain [ -<span id="L875" class="LineNr"> 875 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># previous row</span> -<span id="L876" class="LineNr"> 876 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># right margin except wrap icon</span> +<span id="L875" class="LineNr"> 875 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># previous row</span> +<span id="L876" class="LineNr"> 876 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># right margin except wrap icon</span> <span id="L877" class="LineNr"> 877 </span> ] <span id="L878" class="LineNr"> 878 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L879" class="LineNr"> 879 </span>] @@ -946,29 +945,29 @@ if ('onhashchange' in window) { <span id="L884" class="LineNr"> 884 </span> <span class="Comment"># initialize editor with a wrapping line followed by a second line</span> <span id="L885" class="LineNr"> 885 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abcdef</span> <span id="L886" class="LineNr"> 886 </span><span class="Constant">g]</span> -<span id="L887" class="LineNr"> 887 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L888" class="LineNr"> 888 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L887" class="LineNr"> 887 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L888" class="LineNr"> 888 </span> editor-render screen, e <span id="L889" class="LineNr"> 889 </span> $clear-trace <span id="L890" class="LineNr"> 890 </span> screen-should-contain [ -<span id="L891" class="LineNr"> 891 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L892" class="LineNr"> 892 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L893" class="LineNr"> 893 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L894" class="LineNr"> 894 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L895" class="LineNr"> 895 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L891" class="LineNr"> 891 </span> <span class="Constant"> . .</span> +<span id="L892" class="LineNr"> 892 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L893" class="LineNr"> 893 </span> <span class="Constant"> .ef .</span> +<span id="L894" class="LineNr"> 894 </span> <span class="Constant"> .g .</span> +<span id="L895" class="LineNr"> 895 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L896" class="LineNr"> 896 </span> ] <span id="L897" class="LineNr"> 897 </span> <span class="Comment"># position cursor right after empty line</span> <span id="L898" class="LineNr"> 898 </span> assume-console [ -<span id="L899" class="LineNr"> 899 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L900" class="LineNr"> 900 </span> <span class="Conceal">¦</span> press left-arrow +<span id="L899" class="LineNr"> 899 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L900" class="LineNr"> 900 </span> press left-arrow <span id="L901" class="LineNr"> 901 </span> ] <span id="L902" class="LineNr"> 902 </span> run [ -<span id="L903" class="LineNr"> 903 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L904" class="LineNr"> 904 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L905" class="LineNr"> 905 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L903" class="LineNr"> 903 </span> editor-event-loop screen, console, e +<span id="L904" class="LineNr"> 904 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L905" class="LineNr"> 905 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L906" class="LineNr"> 906 </span> ] <span id="L907" class="LineNr"> 907 </span> memory-should-contain [ -<span id="L908" class="LineNr"> 908 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># previous row</span> -<span id="L909" class="LineNr"> 909 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># end of wrapped line</span> +<span id="L908" class="LineNr"> 908 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># previous row</span> +<span id="L909" class="LineNr"> 909 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># end of wrapped line</span> <span id="L910" class="LineNr"> 910 </span> ] <span id="L911" class="LineNr"> 911 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L912" class="LineNr"> 912 </span>] @@ -979,29 +978,29 @@ if ('onhashchange' in window) { <span id="L917" class="LineNr"> 917 </span> <span class="Comment"># initialize editor with a line on the verge of wrapping, followed by a second line</span> <span id="L918" class="LineNr"> 918 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abcd</span> <span id="L919" class="LineNr"> 919 </span><span class="Constant">e]</span> -<span id="L920" class="LineNr"> 920 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L921" class="LineNr"> 921 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L920" class="LineNr"> 920 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L921" class="LineNr"> 921 </span> editor-render screen, e <span id="L922" class="LineNr"> 922 </span> $clear-trace <span id="L923" class="LineNr"> 923 </span> screen-should-contain [ -<span id="L924" class="LineNr"> 924 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L925" class="LineNr"> 925 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd .</span> -<span id="L926" class="LineNr"> 926 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L927" class="LineNr"> 927 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L928" class="LineNr"> 928 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L924" class="LineNr"> 924 </span> <span class="Constant"> . .</span> +<span id="L925" class="LineNr"> 925 </span> <span class="Constant"> .abcd .</span> +<span id="L926" class="LineNr"> 926 </span> <span class="Constant"> .e .</span> +<span id="L927" class="LineNr"> 927 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L928" class="LineNr"> 928 </span> <span class="Constant"> . .</span> <span id="L929" class="LineNr"> 929 </span> ] <span id="L930" class="LineNr"> 930 </span> <span class="Comment"># position cursor right after empty line</span> <span id="L931" class="LineNr"> 931 </span> assume-console [ -<span id="L932" class="LineNr"> 932 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L933" class="LineNr"> 933 </span> <span class="Conceal">¦</span> press left-arrow +<span id="L932" class="LineNr"> 932 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L933" class="LineNr"> 933 </span> press left-arrow <span id="L934" class="LineNr"> 934 </span> ] <span id="L935" class="LineNr"> 935 </span> run [ -<span id="L936" class="LineNr"> 936 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L937" class="LineNr"> 937 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L938" class="LineNr"> 938 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L936" class="LineNr"> 936 </span> editor-event-loop screen, console, e +<span id="L937" class="LineNr"> 937 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L938" class="LineNr"> 938 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L939" class="LineNr"> 939 </span> ] <span id="L940" class="LineNr"> 940 </span> memory-should-contain [ -<span id="L941" class="LineNr"> 941 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># previous row</span> -<span id="L942" class="LineNr"> 942 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># end of wrapped line</span> +<span id="L941" class="LineNr"> 941 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># previous row</span> +<span id="L942" class="LineNr"> 942 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># end of wrapped line</span> <span id="L943" class="LineNr"> 943 </span> ] <span id="L944" class="LineNr"> 944 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L945" class="LineNr"> 945 </span>] @@ -1015,110 +1014,110 @@ if ('onhashchange' in window) { <span id="L953" class="LineNr"> 953 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L954" class="LineNr"> 954 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L955" class="LineNr"> 955 </span><span class="Constant">def]</span> -<span id="L956" class="LineNr"> 956 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L957" class="LineNr"> 957 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L956" class="LineNr"> 956 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L957" class="LineNr"> 957 </span> editor-render screen, e <span id="L958" class="LineNr"> 958 </span> $clear-trace <span id="L959" class="LineNr"> 959 </span> assume-console [ -<span id="L960" class="LineNr"> 960 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L961" class="LineNr"> 961 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L960" class="LineNr"> 960 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L961" class="LineNr"> 961 </span> press up-arrow <span id="L962" class="LineNr"> 962 </span> ] <span id="L963" class="LineNr"> 963 </span> run [ -<span id="L964" class="LineNr"> 964 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L965" class="LineNr"> 965 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L966" class="LineNr"> 966 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L964" class="LineNr"> 964 </span> editor-event-loop screen, console, e +<span id="L965" class="LineNr"> 965 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L966" class="LineNr"> 966 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L967" class="LineNr"> 967 </span> ] <span id="L968" class="LineNr"> 968 </span> memory-should-contain [ -<span id="L969" class="LineNr"> 969 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L970" class="LineNr"> 970 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L969" class="LineNr"> 969 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L970" class="LineNr"> 970 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L971" class="LineNr"> 971 </span> ] <span id="L972" class="LineNr"> 972 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L973" class="LineNr"> 973 </span> assume-console [ -<span id="L974" class="LineNr"> 974 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L974" class="LineNr"> 974 </span> type <span class="Constant">[0]</span> <span id="L975" class="LineNr"> 975 </span> ] <span id="L976" class="LineNr"> 976 </span> run [ -<span id="L977" class="LineNr"> 977 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L977" class="LineNr"> 977 </span> editor-event-loop screen, console, e <span id="L978" class="LineNr"> 978 </span> ] <span id="L979" class="LineNr"> 979 </span> screen-should-contain [ -<span id="L980" class="LineNr"> 980 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L981" class="LineNr"> 981 </span> <span class="Conceal">¦</span><span class="Constant"> .a0bc .</span> -<span id="L982" class="LineNr"> 982 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L983" class="LineNr"> 983 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L984" class="LineNr"> 984 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L980" class="LineNr"> 980 </span> <span class="Constant"> . .</span> +<span id="L981" class="LineNr"> 981 </span> <span class="Constant"> .a0bc .</span> +<span id="L982" class="LineNr"> 982 </span> <span class="Constant"> .def .</span> +<span id="L983" class="LineNr"> 983 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L984" class="LineNr"> 984 </span> <span class="Constant"> . .</span> <span id="L985" class="LineNr"> 985 </span> ] <span id="L986" class="LineNr"> 986 </span>] <span id="L987" class="LineNr"> 987 </span> -<span id="L988" class="LineNr"> 988 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L988" class="LineNr"> 988 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L989" class="LineNr"> 989 </span> <span class="Delimiter">{</span> -<span id="L990" class="LineNr"> 990 </span> <span class="Conceal">¦</span> move-to-previous-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65517/up-arrow</span> -<span id="L991" class="LineNr"> 991 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-previous-line? -<span id="L992" class="LineNr"> 992 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L993" class="LineNr"> 993 </span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L1000'>move-to-previous-line</a> editor -<span id="L994" class="LineNr"> 994 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">3/up-arrow</span> -<span id="L995" class="LineNr"> 995 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L996" class="LineNr"> 996 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L990" class="LineNr"> 990 </span> move-to-previous-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65517/up-arrow</span> +<span id="L991" class="LineNr"> 991 </span> <span class="muControl">break-unless</span> move-to-previous-line? +<span id="L992" class="LineNr"> 992 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L993" class="LineNr"> 993 </span> go-render? <span class="Special"><-</span> move-to-previous-line editor +<span id="L994" class="LineNr"> 994 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">3/up-arrow</span> +<span id="L995" class="LineNr"> 995 </span><span class="Constant"> <end-move-cursor></span> +<span id="L996" class="LineNr"> 996 </span> <span class="muControl"> return</span> <span id="L997" class="LineNr"> 997 </span> <span class="Delimiter">}</span> <span id="L998" class="LineNr"> 998 </span>] <span id="L999" class="LineNr"> 999 </span> -<span id="L1000" class="LineNr">1000 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1000'>move-to-previous-line</a> editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L1000" class="LineNr">1000 </span><span class="muRecipe">def</span> move-to-previous-line editor:&:editor<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L1001" class="LineNr">1001 </span> <span class="Constant">local-scope</span> <span id="L1002" class="LineNr">1002 </span> <span class="Constant">load-inputs</span> <span id="L1003" class="LineNr">1003 </span> go-render?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L1004" class="LineNr">1004 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L1005" class="LineNr">1005 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L1006" class="LineNr">1006 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1006" class="LineNr">1006 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1007" class="LineNr">1007 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L1008" class="LineNr">1008 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L1009" class="LineNr">1009 </span> already-at-top?:bool <span class="Special"><-</span> lesser-or-equal cursor-row, <span class="Constant">1/top</span> <span id="L1010" class="LineNr">1010 </span> <span class="Delimiter">{</span> -<span id="L1011" class="LineNr">1011 </span> <span class="Conceal">¦</span> <span class="Comment"># if cursor not at top, move it</span> -<span id="L1012" class="LineNr">1012 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> already-at-top? -<span id="L1013" class="LineNr">1013 </span> <span class="Conceal">¦</span> <span class="Comment"># if not at start of screen line, move to start of screen line (previous newline)</span> -<span id="L1014" class="LineNr">1014 </span> <span class="Conceal">¦</span> <span class="Comment"># then scan back another line</span> -<span id="L1015" class="LineNr">1015 </span> <span class="Conceal">¦</span> <span class="Comment"># if either step fails, give up without modifying cursor or coordinates</span> -<span id="L1016" class="LineNr">1016 </span> <span class="Conceal">¦</span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy before-cursor -<span id="L1017" class="LineNr">1017 </span> <span class="Conceal">¦</span> old:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy curr -<span id="L1018" class="LineNr">1018 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1019" class="LineNr">1019 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-left?:bool <span class="Special"><-</span> equal cursor-column, left -<span id="L1020" class="LineNr">1020 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-left? -<span id="L1021" class="LineNr">1021 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> curr, editor -<span id="L1022" class="LineNr">1022 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> no-motion?:bool <span class="Special"><-</span> equal curr, old -<span id="L1023" class="LineNr">1023 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> no-motion? -<span id="L1024" class="LineNr">1024 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1025" class="LineNr">1025 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1026" class="LineNr">1026 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> curr, editor -<span id="L1027" class="LineNr">1027 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> no-motion?:bool <span class="Special"><-</span> equal curr, old -<span id="L1028" class="LineNr">1028 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> no-motion? -<span id="L1029" class="LineNr">1029 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1030" class="LineNr">1030 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy curr -<span id="L1031" class="LineNr">1031 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L1032" class="LineNr">1032 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> -<span id="L1033" class="LineNr">1033 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L1034" class="LineNr">1034 </span> <span class="Conceal">¦</span> <span class="Comment"># scan ahead to right column or until end of line</span> -<span id="L1035" class="LineNr">1035 </span> <span class="Conceal">¦</span> target-column:num <span class="Special"><-</span> copy cursor-column -<span id="L1036" class="LineNr">1036 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy left -<span id="L1037" class="LineNr">1037 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1038" class="LineNr">1038 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1039" class="LineNr">1039 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, target-column -<span id="L1040" class="LineNr">1040 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L1041" class="LineNr">1041 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1042" class="LineNr">1042 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L1043" class="LineNr">1043 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L1044" class="LineNr">1044 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> -<span id="L1045" class="LineNr">1045 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L1046" class="LineNr">1046 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">#</span> -<span id="L1047" class="LineNr">1047 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy curr -<span id="L1048" class="LineNr">1048 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L1049" class="LineNr">1049 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> -<span id="L1050" class="LineNr">1050 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1051" class="LineNr">1051 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L1052" class="LineNr">1052 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1053" class="LineNr">1053 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L1011" class="LineNr">1011 </span> <span class="Comment"># if cursor not at top, move it</span> +<span id="L1012" class="LineNr">1012 </span> <span class="muControl">break-if</span> already-at-top? +<span id="L1013" class="LineNr">1013 </span> <span class="Comment"># if not at start of screen line, move to start of screen line (previous newline)</span> +<span id="L1014" class="LineNr">1014 </span> <span class="Comment"># then scan back another line</span> +<span id="L1015" class="LineNr">1015 </span> <span class="Comment"># if either step fails, give up without modifying cursor or coordinates</span> +<span id="L1016" class="LineNr">1016 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy before-cursor +<span id="L1017" class="LineNr">1017 </span> old:&:duplex-list:char <span class="Special"><-</span> copy curr +<span id="L1018" class="LineNr">1018 </span> <span class="Delimiter">{</span> +<span id="L1019" class="LineNr">1019 </span> at-left?:bool <span class="Special"><-</span> equal cursor-column, left +<span id="L1020" class="LineNr">1020 </span> <span class="muControl">break-if</span> at-left? +<span id="L1021" class="LineNr">1021 </span> curr <span class="Special"><-</span> before-previous-screen-line curr, editor +<span id="L1022" class="LineNr">1022 </span> no-motion?:bool <span class="Special"><-</span> equal curr, old +<span id="L1023" class="LineNr">1023 </span> <span class="muControl">return-if</span> no-motion? +<span id="L1024" class="LineNr">1024 </span> <span class="Delimiter">}</span> +<span id="L1025" class="LineNr">1025 </span> <span class="Delimiter">{</span> +<span id="L1026" class="LineNr">1026 </span> curr <span class="Special"><-</span> before-previous-screen-line curr, editor +<span id="L1027" class="LineNr">1027 </span> no-motion?:bool <span class="Special"><-</span> equal curr, old +<span id="L1028" class="LineNr">1028 </span> <span class="muControl">return-if</span> no-motion? +<span id="L1029" class="LineNr">1029 </span> <span class="Delimiter">}</span> +<span id="L1030" class="LineNr">1030 </span> before-cursor <span class="Special"><-</span> copy curr +<span id="L1031" class="LineNr">1031 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L1032" class="LineNr">1032 </span> cursor-row <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> +<span id="L1033" class="LineNr">1033 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L1034" class="LineNr">1034 </span> <span class="Comment"># scan ahead to right column or until end of line</span> +<span id="L1035" class="LineNr">1035 </span> target-column:num <span class="Special"><-</span> copy cursor-column +<span id="L1036" class="LineNr">1036 </span> cursor-column <span class="Special"><-</span> copy left +<span id="L1037" class="LineNr">1037 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L1038" class="LineNr">1038 </span> <span class="Delimiter">{</span> +<span id="L1039" class="LineNr">1039 </span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, target-column +<span id="L1040" class="LineNr">1040 </span> <span class="muControl">break-if</span> done? +<span id="L1041" class="LineNr">1041 </span> curr:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1042" class="LineNr">1042 </span> <span class="muControl">break-unless</span> curr +<span id="L1043" class="LineNr">1043 </span> currc:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L1044" class="LineNr">1044 </span> at-newline?:bool <span class="Special"><-</span> equal currc, <span class="Constant">10/newline</span> +<span id="L1045" class="LineNr">1045 </span> <span class="muControl">break-if</span> at-newline? +<span id="L1046" class="LineNr">1046 </span> <span class="Comment">#</span> +<span id="L1047" class="LineNr">1047 </span> before-cursor <span class="Special"><-</span> copy curr +<span id="L1048" class="LineNr">1048 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L1049" class="LineNr">1049 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> +<span id="L1050" class="LineNr">1050 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L1051" class="LineNr">1051 </span> <span class="muControl"> loop</span> +<span id="L1052" class="LineNr">1052 </span> <span class="Delimiter">}</span> +<span id="L1053" class="LineNr">1053 </span> <span class="muControl"> return</span> <span id="L1054" class="LineNr">1054 </span> <span class="Delimiter">}</span> <span id="L1055" class="LineNr">1055 </span> <span class="Delimiter">{</span> -<span id="L1056" class="LineNr">1056 </span> <span class="Conceal">¦</span> <span class="Comment"># if cursor already at top, scroll up</span> -<span id="L1057" class="LineNr">1057 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> already-at-top? -<span id="L1058" class="LineNr">1058 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <scroll-up></span> -<span id="L1059" class="LineNr">1059 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L1056" class="LineNr">1056 </span> <span class="Comment"># if cursor already at top, scroll up</span> +<span id="L1057" class="LineNr">1057 </span> <span class="muControl">break-unless</span> already-at-top? +<span id="L1058" class="LineNr">1058 </span><span class="Constant"> <scroll-up></span> +<span id="L1059" class="LineNr">1059 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L1060" class="LineNr">1060 </span> <span class="Delimiter">}</span> <span id="L1061" class="LineNr">1061 </span>] <span id="L1062" class="LineNr">1062 </span> @@ -1127,35 +1126,35 @@ if ('onhashchange' in window) { <span id="L1065" class="LineNr">1065 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1066" class="LineNr">1066 </span> s:text <span class="Special"><-</span> new <span class="Constant">[ab</span> <span id="L1067" class="LineNr">1067 </span><span class="Constant">def]</span> -<span id="L1068" class="LineNr">1068 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1069" class="LineNr">1069 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1068" class="LineNr">1068 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1069" class="LineNr">1069 </span> editor-render screen, e <span id="L1070" class="LineNr">1070 </span> $clear-trace <span id="L1071" class="LineNr">1071 </span> assume-console [ -<span id="L1072" class="LineNr">1072 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> -<span id="L1073" class="LineNr">1073 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1072" class="LineNr">1072 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> +<span id="L1073" class="LineNr">1073 </span> press up-arrow <span id="L1074" class="LineNr">1074 </span> ] <span id="L1075" class="LineNr">1075 </span> run [ -<span id="L1076" class="LineNr">1076 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1077" class="LineNr">1077 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1078" class="LineNr">1078 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1076" class="LineNr">1076 </span> editor-event-loop screen, console, e +<span id="L1077" class="LineNr">1077 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1078" class="LineNr">1078 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1079" class="LineNr">1079 </span> ] <span id="L1080" class="LineNr">1080 </span> memory-should-contain [ -<span id="L1081" class="LineNr">1081 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1082" class="LineNr">1082 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1081" class="LineNr">1081 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1082" class="LineNr">1082 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L1083" class="LineNr">1083 </span> ] <span id="L1084" class="LineNr">1084 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1085" class="LineNr">1085 </span> assume-console [ -<span id="L1086" class="LineNr">1086 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1086" class="LineNr">1086 </span> type <span class="Constant">[0]</span> <span id="L1087" class="LineNr">1087 </span> ] <span id="L1088" class="LineNr">1088 </span> run [ -<span id="L1089" class="LineNr">1089 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1089" class="LineNr">1089 </span> editor-event-loop screen, console, e <span id="L1090" class="LineNr">1090 </span> ] <span id="L1091" class="LineNr">1091 </span> screen-should-contain [ -<span id="L1092" class="LineNr">1092 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1093" class="LineNr">1093 </span> <span class="Conceal">¦</span><span class="Constant"> .ab0 .</span> -<span id="L1094" class="LineNr">1094 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L1095" class="LineNr">1095 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1096" class="LineNr">1096 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1092" class="LineNr">1092 </span> <span class="Constant"> . .</span> +<span id="L1093" class="LineNr">1093 </span> <span class="Constant"> .ab0 .</span> +<span id="L1094" class="LineNr">1094 </span> <span class="Constant"> .def .</span> +<span id="L1095" class="LineNr">1095 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1096" class="LineNr">1096 </span> <span class="Constant"> . .</span> <span id="L1097" class="LineNr">1097 </span> ] <span id="L1098" class="LineNr">1098 </span>] <span id="L1099" class="LineNr">1099 </span> @@ -1164,35 +1163,35 @@ if ('onhashchange' in window) { <span id="L1102" class="LineNr">1102 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1103" class="LineNr">1103 </span> s:text <span class="Special"><-</span> new [ <span id="L1104" class="LineNr">1104 </span><span class="muRecipe">def</span>] -<span id="L1105" class="LineNr">1105 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1106" class="LineNr">1106 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1105" class="LineNr">1105 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1106" class="LineNr">1106 </span> editor-render screen, e <span id="L1107" class="LineNr">1107 </span> $clear-trace <span id="L1108" class="LineNr">1108 </span> assume-console [ -<span id="L1109" class="LineNr">1109 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> -<span id="L1110" class="LineNr">1110 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1109" class="LineNr">1109 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> +<span id="L1110" class="LineNr">1110 </span> press up-arrow <span id="L1111" class="LineNr">1111 </span> ] <span id="L1112" class="LineNr">1112 </span> run [ -<span id="L1113" class="LineNr">1113 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1114" class="LineNr">1114 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1115" class="LineNr">1115 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1113" class="LineNr">1113 </span> editor-event-loop screen, console, e +<span id="L1114" class="LineNr">1114 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1115" class="LineNr">1115 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1116" class="LineNr">1116 </span> ] <span id="L1117" class="LineNr">1117 </span> memory-should-contain [ -<span id="L1118" class="LineNr">1118 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1119" class="LineNr">1119 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1118" class="LineNr">1118 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1119" class="LineNr">1119 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1120" class="LineNr">1120 </span> ] <span id="L1121" class="LineNr">1121 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1122" class="LineNr">1122 </span> assume-console [ -<span id="L1123" class="LineNr">1123 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1123" class="LineNr">1123 </span> type <span class="Constant">[0]</span> <span id="L1124" class="LineNr">1124 </span> ] <span id="L1125" class="LineNr">1125 </span> run [ -<span id="L1126" class="LineNr">1126 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1126" class="LineNr">1126 </span> editor-event-loop screen, console, e <span id="L1127" class="LineNr">1127 </span> ] <span id="L1128" class="LineNr">1128 </span> screen-should-contain [ -<span id="L1129" class="LineNr">1129 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1130" class="LineNr">1130 </span> <span class="Conceal">¦</span><span class="Constant"> .0 .</span> -<span id="L1131" class="LineNr">1131 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L1132" class="LineNr">1132 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1133" class="LineNr">1133 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1129" class="LineNr">1129 </span> <span class="Constant"> . .</span> +<span id="L1130" class="LineNr">1130 </span> <span class="Constant"> .0 .</span> +<span id="L1131" class="LineNr">1131 </span> <span class="Constant"> .def .</span> +<span id="L1132" class="LineNr">1132 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1133" class="LineNr">1133 </span> <span class="Constant"> . .</span> <span id="L1134" class="LineNr">1134 </span> ] <span id="L1135" class="LineNr">1135 </span>] <span id="L1136" class="LineNr">1136 </span> @@ -1203,36 +1202,36 @@ if ('onhashchange' in window) { <span id="L1141" class="LineNr">1141 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1142" class="LineNr">1142 </span><span class="Constant">def</span> <span id="L1143" class="LineNr">1143 </span><span class="Constant">ghi]</span> -<span id="L1144" class="LineNr">1144 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1145" class="LineNr">1145 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1144" class="LineNr">1144 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1145" class="LineNr">1145 </span> editor-render screen, e <span id="L1146" class="LineNr">1146 </span> $clear-trace <span id="L1147" class="LineNr">1147 </span> <span class="Comment"># click on the third line and hit up-arrow, so you end up just after a newline</span> <span id="L1148" class="LineNr">1148 </span> assume-console [ -<span id="L1149" class="LineNr">1149 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L1150" class="LineNr">1150 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1149" class="LineNr">1149 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L1150" class="LineNr">1150 </span> press up-arrow <span id="L1151" class="LineNr">1151 </span> ] <span id="L1152" class="LineNr">1152 </span> run [ -<span id="L1153" class="LineNr">1153 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1154" class="LineNr">1154 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1155" class="LineNr">1155 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1153" class="LineNr">1153 </span> editor-event-loop screen, console, e +<span id="L1154" class="LineNr">1154 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1155" class="LineNr">1155 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1156" class="LineNr">1156 </span> ] <span id="L1157" class="LineNr">1157 </span> memory-should-contain [ -<span id="L1158" class="LineNr">1158 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1159" class="LineNr">1159 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1158" class="LineNr">1158 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1159" class="LineNr">1159 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1160" class="LineNr">1160 </span> ] <span id="L1161" class="LineNr">1161 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1162" class="LineNr">1162 </span> assume-console [ -<span id="L1163" class="LineNr">1163 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1163" class="LineNr">1163 </span> type <span class="Constant">[0]</span> <span id="L1164" class="LineNr">1164 </span> ] <span id="L1165" class="LineNr">1165 </span> run [ -<span id="L1166" class="LineNr">1166 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1166" class="LineNr">1166 </span> editor-event-loop screen, console, e <span id="L1167" class="LineNr">1167 </span> ] <span id="L1168" class="LineNr">1168 </span> screen-should-contain [ -<span id="L1169" class="LineNr">1169 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1170" class="LineNr">1170 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1171" class="LineNr">1171 </span> <span class="Conceal">¦</span><span class="Constant"> .0def .</span> -<span id="L1172" class="LineNr">1172 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L1173" class="LineNr">1173 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1169" class="LineNr">1169 </span> <span class="Constant"> . .</span> +<span id="L1170" class="LineNr">1170 </span> <span class="Constant"> .abc .</span> +<span id="L1171" class="LineNr">1171 </span> <span class="Constant"> .0def .</span> +<span id="L1172" class="LineNr">1172 </span> <span class="Constant"> .ghi .</span> +<span id="L1173" class="LineNr">1173 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1174" class="LineNr">1174 </span> ] <span id="L1175" class="LineNr">1175 </span>] <span id="L1176" class="LineNr">1176 </span> @@ -1243,76 +1242,76 @@ if ('onhashchange' in window) { <span id="L1181" class="LineNr">1181 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1182" class="LineNr">1182 </span><span class="Constant">def</span> <span id="L1183" class="LineNr">1183 </span><span class="Constant">ghi]</span> -<span id="L1184" class="LineNr">1184 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> -<span id="L1185" class="LineNr">1185 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1184" class="LineNr">1184 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">1/left</span>, <span class="Constant">10/right</span> +<span id="L1185" class="LineNr">1185 </span> editor-render screen, e <span id="L1186" class="LineNr">1186 </span> $clear-trace <span id="L1187" class="LineNr">1187 </span> <span class="Comment"># click on the third line and hit up-arrow, so you end up just after a newline</span> <span id="L1188" class="LineNr">1188 </span> assume-console [ -<span id="L1189" class="LineNr">1189 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> -<span id="L1190" class="LineNr">1190 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1189" class="LineNr">1189 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> +<span id="L1190" class="LineNr">1190 </span> press up-arrow <span id="L1191" class="LineNr">1191 </span> ] <span id="L1192" class="LineNr">1192 </span> run [ -<span id="L1193" class="LineNr">1193 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1194" class="LineNr">1194 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1195" class="LineNr">1195 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1193" class="LineNr">1193 </span> editor-event-loop screen, console, e +<span id="L1194" class="LineNr">1194 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1195" class="LineNr">1195 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1196" class="LineNr">1196 </span> ] <span id="L1197" class="LineNr">1197 </span> memory-should-contain [ -<span id="L1198" class="LineNr">1198 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1199" class="LineNr">1199 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1198" class="LineNr">1198 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1199" class="LineNr">1199 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1200" class="LineNr">1200 </span> ] <span id="L1201" class="LineNr">1201 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1202" class="LineNr">1202 </span> assume-console [ -<span id="L1203" class="LineNr">1203 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1203" class="LineNr">1203 </span> type <span class="Constant">[0]</span> <span id="L1204" class="LineNr">1204 </span> ] <span id="L1205" class="LineNr">1205 </span> run [ -<span id="L1206" class="LineNr">1206 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1206" class="LineNr">1206 </span> editor-event-loop screen, console, e <span id="L1207" class="LineNr">1207 </span> ] <span id="L1208" class="LineNr">1208 </span> screen-should-contain [ -<span id="L1209" class="LineNr">1209 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1210" class="LineNr">1210 </span> <span class="Conceal">¦</span><span class="Constant"> . abc .</span> -<span id="L1211" class="LineNr">1211 </span> <span class="Conceal">¦</span><span class="Constant"> . 0def .</span> -<span id="L1212" class="LineNr">1212 </span> <span class="Conceal">¦</span><span class="Constant"> . ghi .</span> -<span id="L1213" class="LineNr">1213 </span> <span class="Conceal">¦</span><span class="Constant"> . ╌╌╌╌╌╌╌╌╌.</span> +<span id="L1209" class="LineNr">1209 </span> <span class="Constant"> . .</span> +<span id="L1210" class="LineNr">1210 </span> <span class="Constant"> . abc .</span> +<span id="L1211" class="LineNr">1211 </span> <span class="Constant"> . 0def .</span> +<span id="L1212" class="LineNr">1212 </span> <span class="Constant"> . ghi .</span> +<span id="L1213" class="LineNr">1213 </span> <span class="Constant"> . ╌╌╌╌╌╌╌╌╌.</span> <span id="L1214" class="LineNr">1214 </span> ] <span id="L1215" class="LineNr">1215 </span>] <span id="L1216" class="LineNr">1216 </span> <span id="L1217" class="LineNr">1217 </span><span class="muScenario">scenario</span> editor-moves-to-top-line-in-presence-of-wrapped-line [ <span id="L1218" class="LineNr">1218 </span> <span class="Constant">local-scope</span> <span id="L1219" class="LineNr">1219 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1220" class="LineNr">1220 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1221" class="LineNr">1221 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1220" class="LineNr">1220 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L1221" class="LineNr">1221 </span> editor-render screen, e <span id="L1222" class="LineNr">1222 </span> screen-should-contain [ -<span id="L1223" class="LineNr">1223 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1224" class="LineNr">1224 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L1225" class="LineNr">1225 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L1226" class="LineNr">1226 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1223" class="LineNr">1223 </span> <span class="Constant"> . .</span> +<span id="L1224" class="LineNr">1224 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L1225" class="LineNr">1225 </span> <span class="Constant"> .e .</span> +<span id="L1226" class="LineNr">1226 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L1227" class="LineNr">1227 </span> ] <span id="L1228" class="LineNr">1228 </span> $clear-trace <span id="L1229" class="LineNr">1229 </span> assume-console [ -<span id="L1230" class="LineNr">1230 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L1231" class="LineNr">1231 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1230" class="LineNr">1230 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L1231" class="LineNr">1231 </span> press up-arrow <span id="L1232" class="LineNr">1232 </span> ] <span id="L1233" class="LineNr">1233 </span> run [ -<span id="L1234" class="LineNr">1234 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1235" class="LineNr">1235 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1236" class="LineNr">1236 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1234" class="LineNr">1234 </span> editor-event-loop screen, console, e +<span id="L1235" class="LineNr">1235 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1236" class="LineNr">1236 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1237" class="LineNr">1237 </span> ] <span id="L1238" class="LineNr">1238 </span> memory-should-contain [ -<span id="L1239" class="LineNr">1239 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1240" class="LineNr">1240 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1239" class="LineNr">1239 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1240" class="LineNr">1240 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1241" class="LineNr">1241 </span> ] <span id="L1242" class="LineNr">1242 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1243" class="LineNr">1243 </span> assume-console [ -<span id="L1244" class="LineNr">1244 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1244" class="LineNr">1244 </span> type <span class="Constant">[0]</span> <span id="L1245" class="LineNr">1245 </span> ] <span id="L1246" class="LineNr">1246 </span> run [ -<span id="L1247" class="LineNr">1247 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1247" class="LineNr">1247 </span> editor-event-loop screen, console, e <span id="L1248" class="LineNr">1248 </span> ] <span id="L1249" class="LineNr">1249 </span> screen-should-contain [ -<span id="L1250" class="LineNr">1250 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1251" class="LineNr">1251 </span> <span class="Conceal">¦</span><span class="Constant"> .0abc↩ .</span> -<span id="L1252" class="LineNr">1252 </span> <span class="Conceal">¦</span><span class="Constant"> .de .</span> -<span id="L1253" class="LineNr">1253 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1250" class="LineNr">1250 </span> <span class="Constant"> . .</span> +<span id="L1251" class="LineNr">1251 </span> <span class="Constant"> .0abc↩ .</span> +<span id="L1252" class="LineNr">1252 </span> <span class="Constant"> .de .</span> +<span id="L1253" class="LineNr">1253 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L1254" class="LineNr">1254 </span> ] <span id="L1255" class="LineNr">1255 </span>] <span id="L1256" class="LineNr">1256 </span> @@ -1321,43 +1320,43 @@ if ('onhashchange' in window) { <span id="L1259" class="LineNr">1259 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1260" class="LineNr">1260 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1261" class="LineNr">1261 </span><span class="Constant">defgh]</span> -<span id="L1262" class="LineNr">1262 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1263" class="LineNr">1263 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1262" class="LineNr">1262 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L1263" class="LineNr">1263 </span> editor-render screen, e <span id="L1264" class="LineNr">1264 </span> screen-should-contain [ -<span id="L1265" class="LineNr">1265 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1266" class="LineNr">1266 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1267" class="LineNr">1267 </span> <span class="Conceal">¦</span><span class="Constant"> .defg↩ .</span> -<span id="L1268" class="LineNr">1268 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> -<span id="L1269" class="LineNr">1269 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1265" class="LineNr">1265 </span> <span class="Constant"> . .</span> +<span id="L1266" class="LineNr">1266 </span> <span class="Constant"> .abc .</span> +<span id="L1267" class="LineNr">1267 </span> <span class="Constant"> .defg↩ .</span> +<span id="L1268" class="LineNr">1268 </span> <span class="Constant"> .h .</span> +<span id="L1269" class="LineNr">1269 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L1270" class="LineNr">1270 </span> ] <span id="L1271" class="LineNr">1271 </span> $clear-trace <span id="L1272" class="LineNr">1272 </span> assume-console [ -<span id="L1273" class="LineNr">1273 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L1274" class="LineNr">1274 </span> <span class="Conceal">¦</span> press up-arrow -<span id="L1275" class="LineNr">1275 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1273" class="LineNr">1273 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L1274" class="LineNr">1274 </span> press up-arrow +<span id="L1275" class="LineNr">1275 </span> press up-arrow <span id="L1276" class="LineNr">1276 </span> ] <span id="L1277" class="LineNr">1277 </span> run [ -<span id="L1278" class="LineNr">1278 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1279" class="LineNr">1279 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1280" class="LineNr">1280 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1278" class="LineNr">1278 </span> editor-event-loop screen, console, e +<span id="L1279" class="LineNr">1279 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1280" class="LineNr">1280 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1281" class="LineNr">1281 </span> ] <span id="L1282" class="LineNr">1282 </span> memory-should-contain [ -<span id="L1283" class="LineNr">1283 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1284" class="LineNr">1284 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1283" class="LineNr">1283 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1284" class="LineNr">1284 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1285" class="LineNr">1285 </span> ] <span id="L1286" class="LineNr">1286 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1287" class="LineNr">1287 </span> assume-console [ -<span id="L1288" class="LineNr">1288 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1288" class="LineNr">1288 </span> type <span class="Constant">[0]</span> <span id="L1289" class="LineNr">1289 </span> ] <span id="L1290" class="LineNr">1290 </span> run [ -<span id="L1291" class="LineNr">1291 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1291" class="LineNr">1291 </span> editor-event-loop screen, console, e <span id="L1292" class="LineNr">1292 </span> ] <span id="L1293" class="LineNr">1293 </span> screen-should-contain [ -<span id="L1294" class="LineNr">1294 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1295" class="LineNr">1295 </span> <span class="Conceal">¦</span><span class="Constant"> .0abc .</span> -<span id="L1296" class="LineNr">1296 </span> <span class="Conceal">¦</span><span class="Constant"> .defg↩ .</span> -<span id="L1297" class="LineNr">1297 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> -<span id="L1298" class="LineNr">1298 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1294" class="LineNr">1294 </span> <span class="Constant"> . .</span> +<span id="L1295" class="LineNr">1295 </span> <span class="Constant"> .0abc .</span> +<span id="L1296" class="LineNr">1296 </span> <span class="Constant"> .defg↩ .</span> +<span id="L1297" class="LineNr">1297 </span> <span class="Constant"> .h .</span> +<span id="L1298" class="LineNr">1298 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L1299" class="LineNr">1299 </span> ] <span id="L1300" class="LineNr">1300 </span>] <span id="L1301" class="LineNr">1301 </span> @@ -1368,132 +1367,132 @@ if ('onhashchange' in window) { <span id="L1306" class="LineNr">1306 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1307" class="LineNr">1307 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1308" class="LineNr">1308 </span><span class="Constant">def]</span> -<span id="L1309" class="LineNr">1309 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1310" class="LineNr">1310 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1309" class="LineNr">1309 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1310" class="LineNr">1310 </span> editor-render screen, e <span id="L1311" class="LineNr">1311 </span> $clear-trace <span id="L1312" class="LineNr">1312 </span> <span class="Comment"># cursor starts out at (1, 0)</span> <span id="L1313" class="LineNr">1313 </span> assume-console [ -<span id="L1314" class="LineNr">1314 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L1314" class="LineNr">1314 </span> press down-arrow <span id="L1315" class="LineNr">1315 </span> ] <span id="L1316" class="LineNr">1316 </span> run [ -<span id="L1317" class="LineNr">1317 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1318" class="LineNr">1318 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1319" class="LineNr">1319 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1317" class="LineNr">1317 </span> editor-event-loop screen, console, e +<span id="L1318" class="LineNr">1318 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1319" class="LineNr">1319 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1320" class="LineNr">1320 </span> ] <span id="L1321" class="LineNr">1321 </span> <span class="Comment"># ..and ends at (2, 0)</span> <span id="L1322" class="LineNr">1322 </span> memory-should-contain [ -<span id="L1323" class="LineNr">1323 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1324" class="LineNr">1324 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1323" class="LineNr">1323 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1324" class="LineNr">1324 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1325" class="LineNr">1325 </span> ] <span id="L1326" class="LineNr">1326 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1327" class="LineNr">1327 </span> assume-console [ -<span id="L1328" class="LineNr">1328 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1328" class="LineNr">1328 </span> type <span class="Constant">[0]</span> <span id="L1329" class="LineNr">1329 </span> ] <span id="L1330" class="LineNr">1330 </span> run [ -<span id="L1331" class="LineNr">1331 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1331" class="LineNr">1331 </span> editor-event-loop screen, console, e <span id="L1332" class="LineNr">1332 </span> ] <span id="L1333" class="LineNr">1333 </span> screen-should-contain [ -<span id="L1334" class="LineNr">1334 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1335" class="LineNr">1335 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1336" class="LineNr">1336 </span> <span class="Conceal">¦</span><span class="Constant"> .0def .</span> -<span id="L1337" class="LineNr">1337 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1338" class="LineNr">1338 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1334" class="LineNr">1334 </span> <span class="Constant"> . .</span> +<span id="L1335" class="LineNr">1335 </span> <span class="Constant"> .abc .</span> +<span id="L1336" class="LineNr">1336 </span> <span class="Constant"> .0def .</span> +<span id="L1337" class="LineNr">1337 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1338" class="LineNr">1338 </span> <span class="Constant"> . .</span> <span id="L1339" class="LineNr">1339 </span> ] <span id="L1340" class="LineNr">1340 </span>] <span id="L1341" class="LineNr">1341 </span> -<span id="L1342" class="LineNr">1342 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L1342" class="LineNr">1342 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L1343" class="LineNr">1343 </span> <span class="Delimiter">{</span> -<span id="L1344" class="LineNr">1344 </span> <span class="Conceal">¦</span> move-to-next-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65516/down-arrow</span> -<span id="L1345" class="LineNr">1345 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-next-line? -<span id="L1346" class="LineNr">1346 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L1347" class="LineNr">1347 </span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L1354'>move-to-next-line</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L1348" class="LineNr">1348 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">4/down-arrow</span> -<span id="L1349" class="LineNr">1349 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L1350" class="LineNr">1350 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L1344" class="LineNr">1344 </span> move-to-next-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65516/down-arrow</span> +<span id="L1345" class="LineNr">1345 </span> <span class="muControl">break-unless</span> move-to-next-line? +<span id="L1346" class="LineNr">1346 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L1347" class="LineNr">1347 </span> go-render? <span class="Special"><-</span> move-to-next-line editor, screen-height +<span id="L1348" class="LineNr">1348 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">4/down-arrow</span> +<span id="L1349" class="LineNr">1349 </span><span class="Constant"> <end-move-cursor></span> +<span id="L1350" class="LineNr">1350 </span> <span class="muControl"> return</span> <span id="L1351" class="LineNr">1351 </span> <span class="Delimiter">}</span> <span id="L1352" class="LineNr">1352 </span>] <span id="L1353" class="LineNr">1353 </span> -<span id="L1354" class="LineNr">1354 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1354'>move-to-next-line</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L1354" class="LineNr">1354 </span><span class="muRecipe">def</span> move-to-next-line editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L1355" class="LineNr">1355 </span> <span class="Constant">local-scope</span> <span id="L1356" class="LineNr">1356 </span> <span class="Constant">load-inputs</span> <span id="L1357" class="LineNr">1357 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L1358" class="LineNr">1358 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L1359" class="LineNr">1359 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1359" class="LineNr">1359 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1360" class="LineNr">1360 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L1361" class="LineNr">1361 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L1362" class="LineNr">1362 </span> last-line:num <span class="Special"><-</span> subtract <a href='../081print.mu.html#L782'>screen-height</a>,<span class="Constant"> 1</span> +<span id="L1362" class="LineNr">1362 </span> last-line:num <span class="Special"><-</span> subtract screen-height,<span class="Constant"> 1</span> <span id="L1363" class="LineNr">1363 </span> bottom:num <span class="Special"><-</span> get *editor, <span class="Constant">bottom:offset</span> <span id="L1364" class="LineNr">1364 </span> at-bottom-of-screen?:bool <span class="Special"><-</span> greater-or-equal bottom, last-line <span id="L1365" class="LineNr">1365 </span> <span class="Delimiter">{</span> -<span id="L1366" class="LineNr">1366 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> before-cursor -<span id="L1367" class="LineNr">1367 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1368" class="LineNr">1368 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-bottom-of-screen? -<span id="L1369" class="LineNr">1369 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> -<span id="L1370" class="LineNr">1370 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1371" class="LineNr">1371 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1372" class="LineNr">1372 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-bottom-of-screen? -<span id="L1373" class="LineNr">1373 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> jump</span> <span class="Constant">+try-to-scroll</span> -<span id="L1374" class="LineNr">1374 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L1366" class="LineNr">1366 </span> <span class="muControl">break-if</span> before-cursor +<span id="L1367" class="LineNr">1367 </span> <span class="Delimiter">{</span> +<span id="L1368" class="LineNr">1368 </span> <span class="muControl">break-if</span> at-bottom-of-screen? +<span id="L1369" class="LineNr">1369 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1370" class="LineNr">1370 </span> <span class="Delimiter">}</span> +<span id="L1371" class="LineNr">1371 </span> <span class="Delimiter">{</span> +<span id="L1372" class="LineNr">1372 </span> <span class="muControl">break-unless</span> at-bottom-of-screen? +<span id="L1373" class="LineNr">1373 </span> <span class="muControl"> jump</span> <span class="Constant">+try-to-scroll</span> +<span id="L1374" class="LineNr">1374 </span> <span class="Delimiter">}</span> <span id="L1375" class="LineNr">1375 </span> <span class="Delimiter">}</span> -<span id="L1376" class="LineNr">1376 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L1376" class="LineNr">1376 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor <span id="L1377" class="LineNr">1377 </span> <span class="Delimiter">{</span> -<span id="L1378" class="LineNr">1378 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L1379" class="LineNr">1379 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1380" class="LineNr">1380 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-bottom-of-screen? -<span id="L1381" class="LineNr">1381 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> -<span id="L1382" class="LineNr">1382 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1383" class="LineNr">1383 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1384" class="LineNr">1384 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-bottom-of-screen? -<span id="L1385" class="LineNr">1385 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> jump</span> <span class="Constant">+try-to-scroll</span> -<span id="L1386" class="LineNr">1386 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L1378" class="LineNr">1378 </span> <span class="muControl">break-if</span> next +<span id="L1379" class="LineNr">1379 </span> <span class="Delimiter">{</span> +<span id="L1380" class="LineNr">1380 </span> <span class="muControl">break-if</span> at-bottom-of-screen? +<span id="L1381" class="LineNr">1381 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1382" class="LineNr">1382 </span> <span class="Delimiter">}</span> +<span id="L1383" class="LineNr">1383 </span> <span class="Delimiter">{</span> +<span id="L1384" class="LineNr">1384 </span> <span class="muControl">break-unless</span> at-bottom-of-screen? +<span id="L1385" class="LineNr">1385 </span> <span class="muControl"> jump</span> <span class="Constant">+try-to-scroll</span> +<span id="L1386" class="LineNr">1386 </span> <span class="Delimiter">}</span> <span id="L1387" class="LineNr">1387 </span> <span class="Delimiter">}</span> <span id="L1388" class="LineNr">1388 </span> already-at-bottom?:bool <span class="Special"><-</span> greater-or-equal cursor-row, last-line <span id="L1389" class="LineNr">1389 </span> <span class="Delimiter">{</span> -<span id="L1390" class="LineNr">1390 </span> <span class="Conceal">¦</span> <span class="Comment"># if cursor not at bottom, move it</span> -<span id="L1391" class="LineNr">1391 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> already-at-bottom? -<span id="L1392" class="LineNr">1392 </span> <span class="Conceal">¦</span> target-column:num <span class="Special"><-</span> copy cursor-column -<span id="L1393" class="LineNr">1393 </span> <span class="Conceal">¦</span> <span class="Comment"># scan to start of next line</span> -<span id="L1394" class="LineNr">1394 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1395" class="LineNr">1395 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1396" class="LineNr">1396 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L1397" class="LineNr">1397 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, right -<span id="L1398" class="LineNr">1398 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L1399" class="LineNr">1399 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> -<span id="L1400" class="LineNr">1400 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L1401" class="LineNr">1401 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> -<span id="L1402" class="LineNr">1402 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L1403" class="LineNr">1403 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L1404" class="LineNr">1404 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L1405" class="LineNr">1405 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1406" class="LineNr">1406 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1407" class="LineNr">1407 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L1408" class="LineNr">1408 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1409" class="LineNr">1409 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-bottom-of-screen? -<span id="L1410" class="LineNr">1410 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> -<span id="L1411" class="LineNr">1411 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1412" class="LineNr">1412 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1413" class="LineNr">1413 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-bottom-of-screen? -<span id="L1414" class="LineNr">1414 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> jump</span> <span class="Constant">+try-to-scroll</span> -<span id="L1415" class="LineNr">1415 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1416" class="LineNr">1416 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1417" class="LineNr">1417 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> -<span id="L1418" class="LineNr">1418 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> copy left -<span id="L1419" class="LineNr">1419 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1420" class="LineNr">1420 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1421" class="LineNr">1421 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L1422" class="LineNr">1422 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> -<span id="L1423" class="LineNr">1423 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L1424" class="LineNr">1424 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L1425" class="LineNr">1425 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, target-column -<span id="L1426" class="LineNr">1426 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L1427" class="LineNr">1427 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> -<span id="L1428" class="LineNr">1428 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L1429" class="LineNr">1429 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L1430" class="LineNr">1430 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1431" class="LineNr">1431 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L1432" class="LineNr">1432 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1433" class="LineNr">1433 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L1434" class="LineNr">1434 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1390" class="LineNr">1390 </span> <span class="Comment"># if cursor not at bottom, move it</span> +<span id="L1391" class="LineNr">1391 </span> <span class="muControl">break-if</span> already-at-bottom? +<span id="L1392" class="LineNr">1392 </span> target-column:num <span class="Special"><-</span> copy cursor-column +<span id="L1393" class="LineNr">1393 </span> <span class="Comment"># scan to start of next line</span> +<span id="L1394" class="LineNr">1394 </span> <span class="Delimiter">{</span> +<span id="L1395" class="LineNr">1395 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1396" class="LineNr">1396 </span> <span class="muControl">break-unless</span> next +<span id="L1397" class="LineNr">1397 </span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, right +<span id="L1398" class="LineNr">1398 </span> <span class="muControl">break-if</span> done? +<span id="L1399" class="LineNr">1399 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> +<span id="L1400" class="LineNr">1400 </span> before-cursor <span class="Special"><-</span> copy next +<span id="L1401" class="LineNr">1401 </span> c:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> +<span id="L1402" class="LineNr">1402 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L1403" class="LineNr">1403 </span> <span class="muControl">break-if</span> at-newline? +<span id="L1404" class="LineNr">1404 </span> <span class="muControl"> loop</span> +<span id="L1405" class="LineNr">1405 </span> <span class="Delimiter">}</span> +<span id="L1406" class="LineNr">1406 </span> <span class="Delimiter">{</span> +<span id="L1407" class="LineNr">1407 </span> <span class="muControl">break-if</span> next +<span id="L1408" class="LineNr">1408 </span> <span class="Delimiter">{</span> +<span id="L1409" class="LineNr">1409 </span> <span class="muControl">break-if</span> at-bottom-of-screen? +<span id="L1410" class="LineNr">1410 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1411" class="LineNr">1411 </span> <span class="Delimiter">}</span> +<span id="L1412" class="LineNr">1412 </span> <span class="Delimiter">{</span> +<span id="L1413" class="LineNr">1413 </span> <span class="muControl">break-unless</span> at-bottom-of-screen? +<span id="L1414" class="LineNr">1414 </span> <span class="muControl"> jump</span> <span class="Constant">+try-to-scroll</span> +<span id="L1415" class="LineNr">1415 </span> <span class="Delimiter">}</span> +<span id="L1416" class="LineNr">1416 </span> <span class="Delimiter">}</span> +<span id="L1417" class="LineNr">1417 </span> cursor-row <span class="Special"><-</span> add cursor-row,<span class="Constant"> 1</span> +<span id="L1418" class="LineNr">1418 </span> cursor-column <span class="Special"><-</span> copy left +<span id="L1419" class="LineNr">1419 </span> <span class="Delimiter">{</span> +<span id="L1420" class="LineNr">1420 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1421" class="LineNr">1421 </span> <span class="muControl">break-unless</span> next +<span id="L1422" class="LineNr">1422 </span> c:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> +<span id="L1423" class="LineNr">1423 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L1424" class="LineNr">1424 </span> <span class="muControl">break-if</span> at-newline? +<span id="L1425" class="LineNr">1425 </span> done?:bool <span class="Special"><-</span> greater-or-equal cursor-column, target-column +<span id="L1426" class="LineNr">1426 </span> <span class="muControl">break-if</span> done? +<span id="L1427" class="LineNr">1427 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> +<span id="L1428" class="LineNr">1428 </span> before-cursor <span class="Special"><-</span> copy next +<span id="L1429" class="LineNr">1429 </span> <span class="muControl"> loop</span> +<span id="L1430" class="LineNr">1430 </span> <span class="Delimiter">}</span> +<span id="L1431" class="LineNr">1431 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L1432" class="LineNr">1432 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L1433" class="LineNr">1433 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L1434" class="LineNr">1434 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1435" class="LineNr">1435 </span> <span class="Delimiter">}</span> <span id="L1436" class="LineNr">1436 </span><span class="Constant"> +try-to-scroll</span> <span id="L1437" class="LineNr">1437 </span><span class="Constant"> <scroll-down></span> @@ -1507,66 +1506,66 @@ if ('onhashchange' in window) { <span id="L1445" class="LineNr">1445 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abcde</span> <span id="L1446" class="LineNr">1446 </span><span class="Constant">fg</span> <span id="L1447" class="LineNr">1447 </span><span class="Constant">hi]</span> -<span id="L1448" class="LineNr">1448 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1449" class="LineNr">1449 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1448" class="LineNr">1448 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1449" class="LineNr">1449 </span> editor-render screen, e <span id="L1450" class="LineNr">1450 </span> $clear-trace <span id="L1451" class="LineNr">1451 </span> <span class="Comment"># move to end of first line, then press down</span> <span id="L1452" class="LineNr">1452 </span> assume-console [ -<span id="L1453" class="LineNr">1453 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 8</span> -<span id="L1454" class="LineNr">1454 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L1453" class="LineNr">1453 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 8</span> +<span id="L1454" class="LineNr">1454 </span> press down-arrow <span id="L1455" class="LineNr">1455 </span> ] <span id="L1456" class="LineNr">1456 </span> run [ -<span id="L1457" class="LineNr">1457 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1458" class="LineNr">1458 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1459" class="LineNr">1459 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1457" class="LineNr">1457 </span> editor-event-loop screen, console, e +<span id="L1458" class="LineNr">1458 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1459" class="LineNr">1459 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1460" class="LineNr">1460 </span> ] <span id="L1461" class="LineNr">1461 </span> <span class="Comment"># cursor doesn't go vertically down, it goes to end of shorter line</span> <span id="L1462" class="LineNr">1462 </span> memory-should-contain [ -<span id="L1463" class="LineNr">1463 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1464" class="LineNr">1464 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1463" class="LineNr">1463 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1464" class="LineNr">1464 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L1465" class="LineNr">1465 </span> ] <span id="L1466" class="LineNr">1466 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1467" class="LineNr">1467 </span> assume-console [ -<span id="L1468" class="LineNr">1468 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L1468" class="LineNr">1468 </span> type <span class="Constant">[0]</span> <span id="L1469" class="LineNr">1469 </span> ] <span id="L1470" class="LineNr">1470 </span> run [ -<span id="L1471" class="LineNr">1471 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1471" class="LineNr">1471 </span> editor-event-loop screen, console, e <span id="L1472" class="LineNr">1472 </span> ] <span id="L1473" class="LineNr">1473 </span> screen-should-contain [ -<span id="L1474" class="LineNr">1474 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1475" class="LineNr">1475 </span> <span class="Conceal">¦</span><span class="Constant"> .abcde .</span> -<span id="L1476" class="LineNr">1476 </span> <span class="Conceal">¦</span><span class="Constant"> .fg0 .</span> -<span id="L1477" class="LineNr">1477 </span> <span class="Conceal">¦</span><span class="Constant"> .hi .</span> -<span id="L1478" class="LineNr">1478 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1474" class="LineNr">1474 </span> <span class="Constant"> . .</span> +<span id="L1475" class="LineNr">1475 </span> <span class="Constant"> .abcde .</span> +<span id="L1476" class="LineNr">1476 </span> <span class="Constant"> .fg0 .</span> +<span id="L1477" class="LineNr">1477 </span> <span class="Constant"> .hi .</span> +<span id="L1478" class="LineNr">1478 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1479" class="LineNr">1479 </span> ] <span id="L1480" class="LineNr">1480 </span>] <span id="L1481" class="LineNr">1481 </span> <span id="L1482" class="LineNr">1482 </span><span class="muScenario">scenario</span> editor-moves-down-within-wrapped-line [ <span id="L1483" class="LineNr">1483 </span> <span class="Constant">local-scope</span> <span id="L1484" class="LineNr">1484 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1485" class="LineNr">1485 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcdefghijklmno]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1486" class="LineNr">1486 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1485" class="LineNr">1485 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcdefghijklmno]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1486" class="LineNr">1486 </span> editor-render screen, e <span id="L1487" class="LineNr">1487 </span> screen-should-contain [ -<span id="L1488" class="LineNr">1488 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1489" class="LineNr">1489 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .abcdefghi↩.</span> -<span id="L1490" class="LineNr">1490 </span> <span class="Conceal">¦</span><span class="Constant"> .jklmno .</span> -<span id="L1491" class="LineNr">1491 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1492" class="LineNr">1492 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1488" class="LineNr">1488 </span> <span class="Constant"> . .</span> +<span id="L1489" class="LineNr">1489 </span><span class="Constant"> .abcdefghi↩.</span> +<span id="L1490" class="LineNr">1490 </span> <span class="Constant"> .jklmno .</span> +<span id="L1491" class="LineNr">1491 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1492" class="LineNr">1492 </span> <span class="Constant"> . .</span> <span id="L1493" class="LineNr">1493 </span> ] <span id="L1494" class="LineNr">1494 </span> <span class="Comment"># position cursor on first screen line, but past end of second screen line</span> <span id="L1495" class="LineNr">1495 </span> assume-console [ -<span id="L1496" class="LineNr">1496 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 8</span> -<span id="L1497" class="LineNr">1497 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L1496" class="LineNr">1496 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 8</span> +<span id="L1497" class="LineNr">1497 </span> press down-arrow <span id="L1498" class="LineNr">1498 </span> ] <span id="L1499" class="LineNr">1499 </span> run [ -<span id="L1500" class="LineNr">1500 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1501" class="LineNr">1501 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1502" class="LineNr">1502 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1500" class="LineNr">1500 </span> editor-event-loop screen, console, e +<span id="L1501" class="LineNr">1501 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1502" class="LineNr">1502 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1503" class="LineNr">1503 </span> ] <span id="L1504" class="LineNr">1504 </span> <span class="Comment"># cursor should be at end of second screen line</span> <span id="L1505" class="LineNr">1505 </span> memory-should-contain [ -<span id="L1506" class="LineNr">1506 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1507" class="LineNr">1507 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 6</span> +<span id="L1506" class="LineNr">1506 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1507" class="LineNr">1507 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 6</span> <span id="L1508" class="LineNr">1508 </span> ] <span id="L1509" class="LineNr">1509 </span>] <span id="L1510" class="LineNr">1510 </span> @@ -1577,69 +1576,69 @@ if ('onhashchange' in window) { <span id="L1515" class="LineNr">1515 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1516" class="LineNr">1516 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1517" class="LineNr">1517 </span><span class="Constant">456]</span> -<span id="L1518" class="LineNr">1518 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1519" class="LineNr">1519 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1518" class="LineNr">1518 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1519" class="LineNr">1519 </span> editor-render screen, e <span id="L1520" class="LineNr">1520 </span> $clear-trace <span id="L1521" class="LineNr">1521 </span> <span class="Comment"># start on second line, press ctrl-a</span> <span id="L1522" class="LineNr">1522 </span> assume-console [ -<span id="L1523" class="LineNr">1523 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> -<span id="L1524" class="LineNr">1524 </span> <span class="Conceal">¦</span> press ctrl-a +<span id="L1523" class="LineNr">1523 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> +<span id="L1524" class="LineNr">1524 </span> press ctrl-a <span id="L1525" class="LineNr">1525 </span> ] <span id="L1526" class="LineNr">1526 </span> run [ -<span id="L1527" class="LineNr">1527 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1528" class="LineNr">1528 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1529" class="LineNr">1529 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1527" class="LineNr">1527 </span> editor-event-loop screen, console, e +<span id="L1528" class="LineNr">1528 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1529" class="LineNr">1529 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1530" class="LineNr">1530 </span> ] <span id="L1531" class="LineNr">1531 </span> <span class="Comment"># cursor moves to start of line</span> <span id="L1532" class="LineNr">1532 </span> memory-should-contain [ -<span id="L1533" class="LineNr">1533 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1534" class="LineNr">1534 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1533" class="LineNr">1533 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1534" class="LineNr">1534 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1535" class="LineNr">1535 </span> ] <span id="L1536" class="LineNr">1536 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1537" class="LineNr">1537 </span>] <span id="L1538" class="LineNr">1538 </span> -<span id="L1539" class="LineNr">1539 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L1539" class="LineNr">1539 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L1540" class="LineNr">1540 </span> <span class="Delimiter">{</span> -<span id="L1541" class="LineNr">1541 </span> <span class="Conceal">¦</span> move-to-start-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">1/ctrl-a</span> -<span id="L1542" class="LineNr">1542 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-start-of-line? -<span id="L1543" class="LineNr">1543 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L1544" class="LineNr">1544 </span> <span class="Conceal">¦</span> <a href='003-shortcuts.mu.html#L1565'>move-to-start-of-screen-line</a> editor -<span id="L1545" class="LineNr">1545 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L1546" class="LineNr">1546 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L1547" class="LineNr">1547 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1541" class="LineNr">1541 </span> move-to-start-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">1/ctrl-a</span> +<span id="L1542" class="LineNr">1542 </span> <span class="muControl">break-unless</span> move-to-start-of-line? +<span id="L1543" class="LineNr">1543 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L1544" class="LineNr">1544 </span> move-to-start-of-screen-line editor +<span id="L1545" class="LineNr">1545 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L1546" class="LineNr">1546 </span><span class="Constant"> <end-move-cursor></span> +<span id="L1547" class="LineNr">1547 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1548" class="LineNr">1548 </span> <span class="Delimiter">}</span> <span id="L1549" class="LineNr">1549 </span>] <span id="L1550" class="LineNr">1550 </span> -<span id="L1551" class="LineNr">1551 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L1551" class="LineNr">1551 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L1552" class="LineNr">1552 </span> <span class="Delimiter">{</span> -<span id="L1553" class="LineNr">1553 </span> <span class="Conceal">¦</span> move-to-start-of-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65521/home</span> -<span id="L1554" class="LineNr">1554 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-start-of-line? -<span id="L1555" class="LineNr">1555 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L1556" class="LineNr">1556 </span> <span class="Conceal">¦</span> <a href='003-shortcuts.mu.html#L1565'>move-to-start-of-screen-line</a> editor -<span id="L1557" class="LineNr">1557 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L1558" class="LineNr">1558 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L1559" class="LineNr">1559 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1553" class="LineNr">1553 </span> move-to-start-of-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65521/home</span> +<span id="L1554" class="LineNr">1554 </span> <span class="muControl">break-unless</span> move-to-start-of-line? +<span id="L1555" class="LineNr">1555 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L1556" class="LineNr">1556 </span> move-to-start-of-screen-line editor +<span id="L1557" class="LineNr">1557 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L1558" class="LineNr">1558 </span><span class="Constant"> <end-move-cursor></span> +<span id="L1559" class="LineNr">1559 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1560" class="LineNr">1560 </span> <span class="Delimiter">}</span> <span id="L1561" class="LineNr">1561 </span>] <span id="L1562" class="LineNr">1562 </span> <span id="L1563" class="LineNr">1563 </span><span class="Comment"># handles wrapped lines</span> <span id="L1564" class="LineNr">1564 </span><span class="Comment"># precondition: cursor-column should be in a consistent state</span> -<span id="L1565" class="LineNr">1565 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1565'>move-to-start-of-screen-line</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L1565" class="LineNr">1565 </span><span class="muRecipe">def</span> move-to-start-of-screen-line editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L1566" class="LineNr">1566 </span> <span class="Constant">local-scope</span> <span id="L1567" class="LineNr">1567 </span> <span class="Constant">load-inputs</span> <span id="L1568" class="LineNr">1568 </span> <span class="Comment"># update cursor column</span> <span id="L1569" class="LineNr">1569 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L1570" class="LineNr">1570 </span> col:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L1571" class="LineNr">1571 </span> <span class="Comment"># update before-cursor</span> -<span id="L1572" class="LineNr">1572 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1572" class="LineNr">1572 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1573" class="LineNr">1573 </span> <span class="Comment"># while not at start of line, move</span> <span id="L1574" class="LineNr">1574 </span> <span class="Delimiter">{</span> -<span id="L1575" class="LineNr">1575 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> equal col, left -<span id="L1576" class="LineNr">1576 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L1577" class="LineNr">1577 </span> <span class="Conceal">¦</span> assert curr, <span class="Constant">[move-to-start-of-line tried to move before start of text]</span> -<span id="L1578" class="LineNr">1578 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr -<span id="L1579" class="LineNr">1579 </span> <span class="Conceal">¦</span> col <span class="Special"><-</span> subtract col,<span class="Constant"> 1</span> -<span id="L1580" class="LineNr">1580 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L1575" class="LineNr">1575 </span> done?:bool <span class="Special"><-</span> equal col, left +<span id="L1576" class="LineNr">1576 </span> <span class="muControl">break-if</span> done? +<span id="L1577" class="LineNr">1577 </span> assert curr, <span class="Constant">[move-to-start-of-line tried to move before start of text]</span> +<span id="L1578" class="LineNr">1578 </span> curr <span class="Special"><-</span> prev curr +<span id="L1579" class="LineNr">1579 </span> col <span class="Special"><-</span> subtract col,<span class="Constant"> 1</span> +<span id="L1580" class="LineNr">1580 </span> <span class="muControl"> loop</span> <span id="L1581" class="LineNr">1581 </span> <span class="Delimiter">}</span> <span id="L1582" class="LineNr">1582 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, col <span id="L1583" class="LineNr">1583 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, curr @@ -1650,23 +1649,23 @@ if ('onhashchange' in window) { <span id="L1588" class="LineNr">1588 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1589" class="LineNr">1589 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1590" class="LineNr">1590 </span><span class="Constant">456]</span> -<span id="L1591" class="LineNr">1591 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1592" class="LineNr">1592 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1591" class="LineNr">1591 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1592" class="LineNr">1592 </span> editor-render screen, e <span id="L1593" class="LineNr">1593 </span> $clear-trace <span id="L1594" class="LineNr">1594 </span> <span class="Comment"># start on first line (no newline before), press ctrl-a</span> <span id="L1595" class="LineNr">1595 </span> assume-console [ -<span id="L1596" class="LineNr">1596 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L1597" class="LineNr">1597 </span> <span class="Conceal">¦</span> press ctrl-a +<span id="L1596" class="LineNr">1596 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L1597" class="LineNr">1597 </span> press ctrl-a <span id="L1598" class="LineNr">1598 </span> ] <span id="L1599" class="LineNr">1599 </span> run [ -<span id="L1600" class="LineNr">1600 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1601" class="LineNr">1601 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1602" class="LineNr">1602 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1600" class="LineNr">1600 </span> editor-event-loop screen, console, e +<span id="L1601" class="LineNr">1601 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1602" class="LineNr">1602 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1603" class="LineNr">1603 </span> ] <span id="L1604" class="LineNr">1604 </span> <span class="Comment"># cursor moves to start of line</span> <span id="L1605" class="LineNr">1605 </span> memory-should-contain [ -<span id="L1606" class="LineNr">1606 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1607" class="LineNr">1607 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1606" class="LineNr">1606 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1607" class="LineNr">1607 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1608" class="LineNr">1608 </span> ] <span id="L1609" class="LineNr">1609 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1610" class="LineNr">1610 </span>] @@ -1676,22 +1675,22 @@ if ('onhashchange' in window) { <span id="L1614" class="LineNr">1614 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1615" class="LineNr">1615 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1616" class="LineNr">1616 </span><span class="Constant">456]</span> -<span id="L1617" class="LineNr">1617 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1617" class="LineNr">1617 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L1618" class="LineNr">1618 </span> $clear-trace <span id="L1619" class="LineNr">1619 </span> <span class="Comment"># start on second line, press 'home'</span> <span id="L1620" class="LineNr">1620 </span> assume-console [ -<span id="L1621" class="LineNr">1621 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> -<span id="L1622" class="LineNr">1622 </span> <span class="Conceal">¦</span> press home +<span id="L1621" class="LineNr">1621 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> +<span id="L1622" class="LineNr">1622 </span> press home <span id="L1623" class="LineNr">1623 </span> ] <span id="L1624" class="LineNr">1624 </span> run [ -<span id="L1625" class="LineNr">1625 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1626" class="LineNr">1626 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1627" class="LineNr">1627 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1625" class="LineNr">1625 </span> editor-event-loop screen, console, e +<span id="L1626" class="LineNr">1626 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1627" class="LineNr">1627 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1628" class="LineNr">1628 </span> ] <span id="L1629" class="LineNr">1629 </span> <span class="Comment"># cursor moves to start of line</span> <span id="L1630" class="LineNr">1630 </span> memory-should-contain [ -<span id="L1631" class="LineNr">1631 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1632" class="LineNr">1632 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1631" class="LineNr">1631 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1632" class="LineNr">1632 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1633" class="LineNr">1633 </span> ] <span id="L1634" class="LineNr">1634 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1635" class="LineNr">1635 </span>] @@ -1701,23 +1700,23 @@ if ('onhashchange' in window) { <span id="L1639" class="LineNr">1639 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1640" class="LineNr">1640 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1641" class="LineNr">1641 </span><span class="Constant">456]</span> -<span id="L1642" class="LineNr">1642 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1643" class="LineNr">1643 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1642" class="LineNr">1642 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1643" class="LineNr">1643 </span> editor-render screen, e <span id="L1644" class="LineNr">1644 </span> $clear-trace <span id="L1645" class="LineNr">1645 </span> <span class="Comment"># start on first line (no newline before), press 'home'</span> <span id="L1646" class="LineNr">1646 </span> assume-console [ -<span id="L1647" class="LineNr">1647 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L1648" class="LineNr">1648 </span> <span class="Conceal">¦</span> press home +<span id="L1647" class="LineNr">1647 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L1648" class="LineNr">1648 </span> press home <span id="L1649" class="LineNr">1649 </span> ] <span id="L1650" class="LineNr">1650 </span> run [ -<span id="L1651" class="LineNr">1651 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1652" class="LineNr">1652 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1653" class="LineNr">1653 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1651" class="LineNr">1651 </span> editor-event-loop screen, console, e +<span id="L1652" class="LineNr">1652 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1653" class="LineNr">1653 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1654" class="LineNr">1654 </span> ] <span id="L1655" class="LineNr">1655 </span> <span class="Comment"># cursor moves to start of line</span> <span id="L1656" class="LineNr">1656 </span> memory-should-contain [ -<span id="L1657" class="LineNr">1657 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1658" class="LineNr">1658 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1657" class="LineNr">1657 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1658" class="LineNr">1658 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1659" class="LineNr">1659 </span> ] <span id="L1660" class="LineNr">1660 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1661" class="LineNr">1661 </span>] @@ -1725,52 +1724,52 @@ if ('onhashchange' in window) { <span id="L1663" class="LineNr">1663 </span><span class="muScenario">scenario</span> editor-moves-to-start-of-screen-line-with-ctrl-a [ <span id="L1664" class="LineNr">1664 </span> <span class="Constant">local-scope</span> <span id="L1665" class="LineNr">1665 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1666" class="LineNr">1666 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[123456]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1667" class="LineNr">1667 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1666" class="LineNr">1666 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[123456]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L1667" class="LineNr">1667 </span> editor-render screen, e <span id="L1668" class="LineNr">1668 </span> screen-should-contain [ -<span id="L1669" class="LineNr">1669 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1670" class="LineNr">1670 </span> <span class="Conceal">¦</span><span class="Constant"> .1234↩ .</span> -<span id="L1671" class="LineNr">1671 </span> <span class="Conceal">¦</span><span class="Constant"> .56 .</span> -<span id="L1672" class="LineNr">1672 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L1673" class="LineNr">1673 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1669" class="LineNr">1669 </span> <span class="Constant"> . .</span> +<span id="L1670" class="LineNr">1670 </span> <span class="Constant"> .1234↩ .</span> +<span id="L1671" class="LineNr">1671 </span> <span class="Constant"> .56 .</span> +<span id="L1672" class="LineNr">1672 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1673" class="LineNr">1673 </span> <span class="Constant"> . .</span> <span id="L1674" class="LineNr">1674 </span> ] <span id="L1675" class="LineNr">1675 </span> $clear-trace <span id="L1676" class="LineNr">1676 </span> <span class="Comment"># start on second line, press ctrl-a then up</span> <span id="L1677" class="LineNr">1677 </span> assume-console [ -<span id="L1678" class="LineNr">1678 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1679" class="LineNr">1679 </span> <span class="Conceal">¦</span> press ctrl-a -<span id="L1680" class="LineNr">1680 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1678" class="LineNr">1678 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1679" class="LineNr">1679 </span> press ctrl-a +<span id="L1680" class="LineNr">1680 </span> press up-arrow <span id="L1681" class="LineNr">1681 </span> ] <span id="L1682" class="LineNr">1682 </span> run [ -<span id="L1683" class="LineNr">1683 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1684" class="LineNr">1684 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1685" class="LineNr">1685 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1683" class="LineNr">1683 </span> editor-event-loop screen, console, e +<span id="L1684" class="LineNr">1684 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1685" class="LineNr">1685 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1686" class="LineNr">1686 </span> ] <span id="L1687" class="LineNr">1687 </span> <span class="Comment"># cursor moves to start of first line</span> <span id="L1688" class="LineNr">1688 </span> memory-should-contain [ -<span id="L1689" class="LineNr">1689 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> -<span id="L1690" class="LineNr">1690 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> +<span id="L1689" class="LineNr">1689 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> +<span id="L1690" class="LineNr">1690 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> <span id="L1691" class="LineNr">1691 </span> ] <span id="L1692" class="LineNr">1692 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1693" class="LineNr">1693 </span> <span class="Comment"># make sure before-cursor is in sync</span> <span id="L1694" class="LineNr">1694 </span> assume-console [ -<span id="L1695" class="LineNr">1695 </span> <span class="Conceal">¦</span> type <span class="Constant">[a]</span> +<span id="L1695" class="LineNr">1695 </span> type <span class="Constant">[a]</span> <span id="L1696" class="LineNr">1696 </span> ] <span id="L1697" class="LineNr">1697 </span> run [ -<span id="L1698" class="LineNr">1698 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1699" class="LineNr">1699 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1700" class="LineNr">1700 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1698" class="LineNr">1698 </span> editor-event-loop screen, console, e +<span id="L1699" class="LineNr">1699 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1700" class="LineNr">1700 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1701" class="LineNr">1701 </span> ] <span id="L1702" class="LineNr">1702 </span> screen-should-contain [ -<span id="L1703" class="LineNr">1703 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1704" class="LineNr">1704 </span> <span class="Conceal">¦</span><span class="Constant"> .a123↩ .</span> -<span id="L1705" class="LineNr">1705 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L1706" class="LineNr">1706 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L1707" class="LineNr">1707 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1703" class="LineNr">1703 </span> <span class="Constant"> . .</span> +<span id="L1704" class="LineNr">1704 </span> <span class="Constant"> .a123↩ .</span> +<span id="L1705" class="LineNr">1705 </span> <span class="Constant"> .456 .</span> +<span id="L1706" class="LineNr">1706 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1707" class="LineNr">1707 </span> <span class="Constant"> . .</span> <span id="L1708" class="LineNr">1708 </span> ] <span id="L1709" class="LineNr">1709 </span> memory-should-contain [ -<span id="L1710" class="LineNr">1710 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> -<span id="L1711" class="LineNr">1711 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-column</span> +<span id="L1710" class="LineNr">1710 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> +<span id="L1711" class="LineNr">1711 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-column</span> <span id="L1712" class="LineNr">1712 </span> ] <span id="L1713" class="LineNr">1713 </span>] <span id="L1714" class="LineNr">1714 </span> @@ -1781,92 +1780,92 @@ if ('onhashchange' in window) { <span id="L1719" class="LineNr">1719 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1720" class="LineNr">1720 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1721" class="LineNr">1721 </span><span class="Constant">456]</span> -<span id="L1722" class="LineNr">1722 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1723" class="LineNr">1723 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1722" class="LineNr">1722 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1723" class="LineNr">1723 </span> editor-render screen, e <span id="L1724" class="LineNr">1724 </span> $clear-trace <span id="L1725" class="LineNr">1725 </span> <span class="Comment"># start on first line, press ctrl-e</span> <span id="L1726" class="LineNr">1726 </span> assume-console [ -<span id="L1727" class="LineNr">1727 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L1728" class="LineNr">1728 </span> <span class="Conceal">¦</span> press ctrl-e +<span id="L1727" class="LineNr">1727 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L1728" class="LineNr">1728 </span> press ctrl-e <span id="L1729" class="LineNr">1729 </span> ] <span id="L1730" class="LineNr">1730 </span> run [ -<span id="L1731" class="LineNr">1731 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1732" class="LineNr">1732 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1733" class="LineNr">1733 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1731" class="LineNr">1731 </span> editor-event-loop screen, console, e +<span id="L1732" class="LineNr">1732 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1733" class="LineNr">1733 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1734" class="LineNr">1734 </span> ] <span id="L1735" class="LineNr">1735 </span> <span class="Comment"># cursor moves to end of line</span> <span id="L1736" class="LineNr">1736 </span> memory-should-contain [ -<span id="L1737" class="LineNr">1737 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1738" class="LineNr">1738 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1737" class="LineNr">1737 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1738" class="LineNr">1738 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1739" class="LineNr">1739 </span> ] <span id="L1740" class="LineNr">1740 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1741" class="LineNr">1741 </span> <span class="Comment"># editor inserts future characters at cursor</span> <span id="L1742" class="LineNr">1742 </span> assume-console [ -<span id="L1743" class="LineNr">1743 </span> <span class="Conceal">¦</span> type <span class="Constant">[z]</span> +<span id="L1743" class="LineNr">1743 </span> type <span class="Constant">[z]</span> <span id="L1744" class="LineNr">1744 </span> ] <span id="L1745" class="LineNr">1745 </span> run [ -<span id="L1746" class="LineNr">1746 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1747" class="LineNr">1747 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1748" class="LineNr">1748 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1746" class="LineNr">1746 </span> editor-event-loop screen, console, e +<span id="L1747" class="LineNr">1747 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1748" class="LineNr">1748 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1749" class="LineNr">1749 </span> ] <span id="L1750" class="LineNr">1750 </span> memory-should-contain [ -<span id="L1751" class="LineNr">1751 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1752" class="LineNr">1752 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 4</span> +<span id="L1751" class="LineNr">1751 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1752" class="LineNr">1752 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span id="L1753" class="LineNr">1753 </span> ] <span id="L1754" class="LineNr">1754 </span> screen-should-contain [ -<span id="L1755" class="LineNr">1755 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1756" class="LineNr">1756 </span> <span class="Conceal">¦</span><span class="Constant"> .123z .</span> -<span id="L1757" class="LineNr">1757 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L1758" class="LineNr">1758 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1759" class="LineNr">1759 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1755" class="LineNr">1755 </span> <span class="Constant"> . .</span> +<span id="L1756" class="LineNr">1756 </span> <span class="Constant"> .123z .</span> +<span id="L1757" class="LineNr">1757 </span> <span class="Constant"> .456 .</span> +<span id="L1758" class="LineNr">1758 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1759" class="LineNr">1759 </span> <span class="Constant"> . .</span> <span id="L1760" class="LineNr">1760 </span> ] <span id="L1761" class="LineNr">1761 </span> check-trace-count-for-label<span class="Constant"> 1</span>, <span class="Constant">[print-character]</span> <span id="L1762" class="LineNr">1762 </span>] <span id="L1763" class="LineNr">1763 </span> -<span id="L1764" class="LineNr">1764 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L1764" class="LineNr">1764 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L1765" class="LineNr">1765 </span> <span class="Delimiter">{</span> -<span id="L1766" class="LineNr">1766 </span> <span class="Conceal">¦</span> move-to-end-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">5/ctrl-e</span> -<span id="L1767" class="LineNr">1767 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-end-of-line? -<span id="L1768" class="LineNr">1768 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L1769" class="LineNr">1769 </span> <span class="Conceal">¦</span> <a href='003-shortcuts.mu.html#L1788'>move-to-end-of-line</a> editor -<span id="L1770" class="LineNr">1770 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L1771" class="LineNr">1771 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L1772" class="LineNr">1772 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1766" class="LineNr">1766 </span> move-to-end-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">5/ctrl-e</span> +<span id="L1767" class="LineNr">1767 </span> <span class="muControl">break-unless</span> move-to-end-of-line? +<span id="L1768" class="LineNr">1768 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L1769" class="LineNr">1769 </span> move-to-end-of-line editor +<span id="L1770" class="LineNr">1770 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L1771" class="LineNr">1771 </span><span class="Constant"> <end-move-cursor></span> +<span id="L1772" class="LineNr">1772 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1773" class="LineNr">1773 </span> <span class="Delimiter">}</span> <span id="L1774" class="LineNr">1774 </span>] <span id="L1775" class="LineNr">1775 </span> -<span id="L1776" class="LineNr">1776 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L1776" class="LineNr">1776 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L1777" class="LineNr">1777 </span> <span class="Delimiter">{</span> -<span id="L1778" class="LineNr">1778 </span> <span class="Conceal">¦</span> move-to-end-of-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65520/end</span> -<span id="L1779" class="LineNr">1779 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> move-to-end-of-line? -<span id="L1780" class="LineNr">1780 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L1781" class="LineNr">1781 </span> <span class="Conceal">¦</span> <a href='003-shortcuts.mu.html#L1788'>move-to-end-of-line</a> editor -<span id="L1782" class="LineNr">1782 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L1783" class="LineNr">1783 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L1784" class="LineNr">1784 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/don't-render</span> +<span id="L1778" class="LineNr">1778 </span> move-to-end-of-line?:bool <span class="Special"><-</span> equal k, <span class="Constant">65520/end</span> +<span id="L1779" class="LineNr">1779 </span> <span class="muControl">break-unless</span> move-to-end-of-line? +<span id="L1780" class="LineNr">1780 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L1781" class="LineNr">1781 </span> move-to-end-of-line editor +<span id="L1782" class="LineNr">1782 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L1783" class="LineNr">1783 </span><span class="Constant"> <end-move-cursor></span> +<span id="L1784" class="LineNr">1784 </span> <span class="muControl"> return</span> <span class="Constant">0/don't-render</span> <span id="L1785" class="LineNr">1785 </span> <span class="Delimiter">}</span> <span id="L1786" class="LineNr">1786 </span>] <span id="L1787" class="LineNr">1787 </span> -<span id="L1788" class="LineNr">1788 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1788'>move-to-end-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L1788" class="LineNr">1788 </span><span class="muRecipe">def</span> move-to-end-of-line editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L1789" class="LineNr">1789 </span> <span class="Constant">local-scope</span> <span id="L1790" class="LineNr">1790 </span> <span class="Constant">load-inputs</span> -<span id="L1791" class="LineNr">1791 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1791" class="LineNr">1791 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1792" class="LineNr">1792 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L1793" class="LineNr">1793 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L1794" class="LineNr">1794 </span> <span class="Comment"># while not at end of line, move</span> <span id="L1795" class="LineNr">1795 </span> <span class="Delimiter">{</span> -<span id="L1796" class="LineNr">1796 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1797" class="LineNr">1797 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span class="Comment"># end of text</span> -<span id="L1798" class="LineNr">1798 </span> <span class="Conceal">¦</span> nextc:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> -<span id="L1799" class="LineNr">1799 </span> <span class="Conceal">¦</span> at-end-of-line?:bool <span class="Special"><-</span> equal nextc, <span class="Constant">10/newline</span> -<span id="L1800" class="LineNr">1800 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-end-of-line? -<span id="L1801" class="LineNr">1801 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> -<span id="L1802" class="LineNr">1802 </span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> equal cursor-column, right -<span id="L1803" class="LineNr">1803 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-right? -<span id="L1804" class="LineNr">1804 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1805" class="LineNr">1805 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L1806" class="LineNr">1806 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L1807" class="LineNr">1807 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L1796" class="LineNr">1796 </span> next:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1797" class="LineNr">1797 </span> <span class="muControl">break-unless</span> next <span class="Comment"># end of text</span> +<span id="L1798" class="LineNr">1798 </span> nextc:char <span class="Special"><-</span> get *next, <span class="Constant">value:offset</span> +<span id="L1799" class="LineNr">1799 </span> at-end-of-line?:bool <span class="Special"><-</span> equal nextc, <span class="Constant">10/newline</span> +<span id="L1800" class="LineNr">1800 </span> <span class="muControl">break-if</span> at-end-of-line? +<span id="L1801" class="LineNr">1801 </span> cursor-column <span class="Special"><-</span> add cursor-column,<span class="Constant"> 1</span> +<span id="L1802" class="LineNr">1802 </span> at-right?:bool <span class="Special"><-</span> equal cursor-column, right +<span id="L1803" class="LineNr">1803 </span> <span class="muControl">break-if</span> at-right? +<span id="L1804" class="LineNr">1804 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L1805" class="LineNr">1805 </span> before-cursor <span class="Special"><-</span> copy next +<span id="L1806" class="LineNr">1806 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L1807" class="LineNr">1807 </span> <span class="muControl"> loop</span> <span id="L1808" class="LineNr">1808 </span> <span class="Delimiter">}</span> <span id="L1809" class="LineNr">1809 </span>] <span id="L1810" class="LineNr">1810 </span> @@ -1875,23 +1874,23 @@ if ('onhashchange' in window) { <span id="L1813" class="LineNr">1813 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1814" class="LineNr">1814 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1815" class="LineNr">1815 </span><span class="Constant">456]</span> -<span id="L1816" class="LineNr">1816 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1817" class="LineNr">1817 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1816" class="LineNr">1816 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1817" class="LineNr">1817 </span> editor-render screen, e <span id="L1818" class="LineNr">1818 </span> $clear-trace <span id="L1819" class="LineNr">1819 </span> <span class="Comment"># start on second line (no newline after), press ctrl-e</span> <span id="L1820" class="LineNr">1820 </span> assume-console [ -<span id="L1821" class="LineNr">1821 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1822" class="LineNr">1822 </span> <span class="Conceal">¦</span> press ctrl-e +<span id="L1821" class="LineNr">1821 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1822" class="LineNr">1822 </span> press ctrl-e <span id="L1823" class="LineNr">1823 </span> ] <span id="L1824" class="LineNr">1824 </span> run [ -<span id="L1825" class="LineNr">1825 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1826" class="LineNr">1826 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1827" class="LineNr">1827 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1825" class="LineNr">1825 </span> editor-event-loop screen, console, e +<span id="L1826" class="LineNr">1826 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1827" class="LineNr">1827 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1828" class="LineNr">1828 </span> ] <span id="L1829" class="LineNr">1829 </span> <span class="Comment"># cursor moves to end of line</span> <span id="L1830" class="LineNr">1830 </span> memory-should-contain [ -<span id="L1831" class="LineNr">1831 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1832" class="LineNr">1832 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1831" class="LineNr">1831 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1832" class="LineNr">1832 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1833" class="LineNr">1833 </span> ] <span id="L1834" class="LineNr">1834 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1835" class="LineNr">1835 </span>] @@ -1901,23 +1900,23 @@ if ('onhashchange' in window) { <span id="L1839" class="LineNr">1839 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1840" class="LineNr">1840 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1841" class="LineNr">1841 </span><span class="Constant">456]</span> -<span id="L1842" class="LineNr">1842 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1843" class="LineNr">1843 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1842" class="LineNr">1842 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1843" class="LineNr">1843 </span> editor-render screen, e <span id="L1844" class="LineNr">1844 </span> $clear-trace <span id="L1845" class="LineNr">1845 </span> <span class="Comment"># start on first line, press 'end'</span> <span id="L1846" class="LineNr">1846 </span> assume-console [ -<span id="L1847" class="LineNr">1847 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L1848" class="LineNr">1848 </span> <span class="Conceal">¦</span> press end +<span id="L1847" class="LineNr">1847 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L1848" class="LineNr">1848 </span> press end <span id="L1849" class="LineNr">1849 </span> ] <span id="L1850" class="LineNr">1850 </span> run [ -<span id="L1851" class="LineNr">1851 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1852" class="LineNr">1852 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1853" class="LineNr">1853 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1851" class="LineNr">1851 </span> editor-event-loop screen, console, e +<span id="L1852" class="LineNr">1852 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1853" class="LineNr">1853 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1854" class="LineNr">1854 </span> ] <span id="L1855" class="LineNr">1855 </span> <span class="Comment"># cursor moves to end of line</span> <span id="L1856" class="LineNr">1856 </span> memory-should-contain [ -<span id="L1857" class="LineNr">1857 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1858" class="LineNr">1858 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1857" class="LineNr">1857 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1858" class="LineNr">1858 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1859" class="LineNr">1859 </span> ] <span id="L1860" class="LineNr">1860 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1861" class="LineNr">1861 </span>] @@ -1927,23 +1926,23 @@ if ('onhashchange' in window) { <span id="L1865" class="LineNr">1865 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1866" class="LineNr">1866 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1867" class="LineNr">1867 </span><span class="Constant">456]</span> -<span id="L1868" class="LineNr">1868 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1869" class="LineNr">1869 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1868" class="LineNr">1868 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1869" class="LineNr">1869 </span> editor-render screen, e <span id="L1870" class="LineNr">1870 </span> $clear-trace <span id="L1871" class="LineNr">1871 </span> <span class="Comment"># start on second line (no newline after), press 'end'</span> <span id="L1872" class="LineNr">1872 </span> assume-console [ -<span id="L1873" class="LineNr">1873 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1874" class="LineNr">1874 </span> <span class="Conceal">¦</span> press end +<span id="L1873" class="LineNr">1873 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1874" class="LineNr">1874 </span> press end <span id="L1875" class="LineNr">1875 </span> ] <span id="L1876" class="LineNr">1876 </span> run [ -<span id="L1877" class="LineNr">1877 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1878" class="LineNr">1878 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1879" class="LineNr">1879 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1877" class="LineNr">1877 </span> editor-event-loop screen, console, e +<span id="L1878" class="LineNr">1878 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1879" class="LineNr">1879 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1880" class="LineNr">1880 </span> ] <span id="L1881" class="LineNr">1881 </span> <span class="Comment"># cursor moves to end of line</span> <span id="L1882" class="LineNr">1882 </span> memory-should-contain [ -<span id="L1883" class="LineNr">1883 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1884" class="LineNr">1884 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1883" class="LineNr">1883 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1884" class="LineNr">1884 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1885" class="LineNr">1885 </span> ] <span id="L1886" class="LineNr">1886 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1887" class="LineNr">1887 </span>] @@ -1953,39 +1952,39 @@ if ('onhashchange' in window) { <span id="L1891" class="LineNr">1891 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1892" class="LineNr">1892 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123456</span> <span id="L1893" class="LineNr">1893 </span><span class="Constant">789]</span> -<span id="L1894" class="LineNr">1894 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L1895" class="LineNr">1895 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1894" class="LineNr">1894 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L1895" class="LineNr">1895 </span> editor-render screen, e <span id="L1896" class="LineNr">1896 </span> $clear-trace <span id="L1897" class="LineNr">1897 </span> <span class="Comment"># start on first line, press 'end'</span> <span id="L1898" class="LineNr">1898 </span> assume-console [ -<span id="L1899" class="LineNr">1899 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L1900" class="LineNr">1900 </span> <span class="Conceal">¦</span> press end +<span id="L1899" class="LineNr">1899 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L1900" class="LineNr">1900 </span> press end <span id="L1901" class="LineNr">1901 </span> ] <span id="L1902" class="LineNr">1902 </span> run [ -<span id="L1903" class="LineNr">1903 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1904" class="LineNr">1904 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1905" class="LineNr">1905 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1903" class="LineNr">1903 </span> editor-event-loop screen, console, e +<span id="L1904" class="LineNr">1904 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1905" class="LineNr">1905 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1906" class="LineNr">1906 </span> ] <span id="L1907" class="LineNr">1907 </span> <span class="Comment"># cursor moves to end of line</span> <span id="L1908" class="LineNr">1908 </span> memory-should-contain [ -<span id="L1909" class="LineNr">1909 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1910" class="LineNr">1910 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1909" class="LineNr">1909 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1910" class="LineNr">1910 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1911" class="LineNr">1911 </span> ] <span id="L1912" class="LineNr">1912 </span> <span class="Comment"># no prints</span> <span id="L1913" class="LineNr">1913 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> <span id="L1914" class="LineNr">1914 </span> <span class="Comment"># before-cursor is also consistent</span> <span id="L1915" class="LineNr">1915 </span> assume-console [ -<span id="L1916" class="LineNr">1916 </span> <span class="Conceal">¦</span> type <span class="Constant">[a]</span> +<span id="L1916" class="LineNr">1916 </span> type <span class="Constant">[a]</span> <span id="L1917" class="LineNr">1917 </span> ] <span id="L1918" class="LineNr">1918 </span> run [ -<span id="L1919" class="LineNr">1919 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1919" class="LineNr">1919 </span> editor-event-loop screen, console, e <span id="L1920" class="LineNr">1920 </span> ] <span id="L1921" class="LineNr">1921 </span> screen-should-contain [ -<span id="L1922" class="LineNr">1922 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1923" class="LineNr">1923 </span> <span class="Conceal">¦</span><span class="Constant"> .123a↩ .</span> -<span id="L1924" class="LineNr">1924 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L1925" class="LineNr">1925 </span> <span class="Conceal">¦</span><span class="Constant"> .789 .</span> -<span id="L1926" class="LineNr">1926 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L1922" class="LineNr">1922 </span> <span class="Constant"> . .</span> +<span id="L1923" class="LineNr">1923 </span> <span class="Constant"> .123a↩ .</span> +<span id="L1924" class="LineNr">1924 </span> <span class="Constant"> .456 .</span> +<span id="L1925" class="LineNr">1925 </span> <span class="Constant"> .789 .</span> +<span id="L1926" class="LineNr">1926 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L1927" class="LineNr">1927 </span> ] <span id="L1928" class="LineNr">1928 </span>] <span id="L1929" class="LineNr">1929 </span> @@ -1996,61 +1995,61 @@ if ('onhashchange' in window) { <span id="L1934" class="LineNr">1934 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1935" class="LineNr">1935 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L1936" class="LineNr">1936 </span><span class="Constant">456]</span> -<span id="L1937" class="LineNr">1937 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1938" class="LineNr">1938 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1937" class="LineNr">1937 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1938" class="LineNr">1938 </span> editor-render screen, e <span id="L1939" class="LineNr">1939 </span> $clear-trace <span id="L1940" class="LineNr">1940 </span> <span class="Comment"># start on second line, press ctrl-u</span> <span id="L1941" class="LineNr">1941 </span> assume-console [ -<span id="L1942" class="LineNr">1942 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 2</span> -<span id="L1943" class="LineNr">1943 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L1942" class="LineNr">1942 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 2</span> +<span id="L1943" class="LineNr">1943 </span> press ctrl-u <span id="L1944" class="LineNr">1944 </span> ] <span id="L1945" class="LineNr">1945 </span> run [ -<span id="L1946" class="LineNr">1946 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1946" class="LineNr">1946 </span> editor-event-loop screen, console, e <span id="L1947" class="LineNr">1947 </span> ] <span id="L1948" class="LineNr">1948 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L1949" class="LineNr">1949 </span> screen-should-contain [ -<span id="L1950" class="LineNr">1950 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1951" class="LineNr">1951 </span> <span class="Conceal">¦</span><span class="Constant"> .123 .</span> -<span id="L1952" class="LineNr">1952 </span> <span class="Conceal">¦</span><span class="Constant"> .6 .</span> -<span id="L1953" class="LineNr">1953 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1954" class="LineNr">1954 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1950" class="LineNr">1950 </span> <span class="Constant"> . .</span> +<span id="L1951" class="LineNr">1951 </span> <span class="Constant"> .123 .</span> +<span id="L1952" class="LineNr">1952 </span> <span class="Constant"> .6 .</span> +<span id="L1953" class="LineNr">1953 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1954" class="LineNr">1954 </span> <span class="Constant"> . .</span> <span id="L1955" class="LineNr">1955 </span> ] <span id="L1956" class="LineNr">1956 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L1957" class="LineNr">1957 </span>] <span id="L1958" class="LineNr">1958 </span> -<span id="L1959" class="LineNr">1959 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L1959" class="LineNr">1959 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L1960" class="LineNr">1960 </span> <span class="Delimiter">{</span> -<span id="L1961" class="LineNr">1961 </span> <span class="Conceal">¦</span> delete-to-start-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">21/ctrl-u</span> -<span id="L1962" class="LineNr">1962 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> delete-to-start-of-line? -<span id="L1963" class="LineNr">1963 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L1963'><begin-delete-to-start-of-line></a></span> -<span id="L1964" class="LineNr">1964 </span> <span class="Conceal">¦</span> deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2006'>delete-to-start-of-line</a> editor -<span id="L1965" class="LineNr">1965 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L1965'><end-delete-to-start-of-line></a></span> -<span id="L1966" class="LineNr">1966 </span> <span class="Conceal">¦</span> go-render?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L1971'>minimal-render-for-ctrl-u</a> <a href='../081print.mu.html#L16'>screen</a>, editor, deleted-cells -<span id="L1967" class="LineNr">1967 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L1961" class="LineNr">1961 </span> delete-to-start-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">21/ctrl-u</span> +<span id="L1962" class="LineNr">1962 </span> <span class="muControl">break-unless</span> delete-to-start-of-line? +<span id="L1963" class="LineNr">1963 </span><span class="Constant"> <begin-delete-to-start-of-line></span> +<span id="L1964" class="LineNr">1964 </span> deleted-cells:&:duplex-list:char <span class="Special"><-</span> delete-to-start-of-line editor +<span id="L1965" class="LineNr">1965 </span><span class="Constant"> <end-delete-to-start-of-line></span> +<span id="L1966" class="LineNr">1966 </span> go-render?:bool <span class="Special"><-</span> minimal-render-for-ctrl-u screen, editor, deleted-cells +<span id="L1967" class="LineNr">1967 </span> <span class="muControl"> return</span> <span id="L1968" class="LineNr">1968 </span> <span class="Delimiter">}</span> <span id="L1969" class="LineNr">1969 </span>] <span id="L1970" class="LineNr">1970 </span> -<span id="L1971" class="LineNr">1971 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L1971'>minimal-render-for-ctrl-u</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor, deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char<span class="muRecipe"> -> </span>go-render?:bool, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L1971" class="LineNr">1971 </span><span class="muRecipe">def</span> minimal-render-for-ctrl-u screen:&:screen, editor:&:editor, deleted-cells:&:duplex-list:char<span class="muRecipe"> -> </span>go-render?:bool, screen:&:screen [ <span id="L1972" class="LineNr">1972 </span> <span class="Constant">local-scope</span> <span id="L1973" class="LineNr">1973 </span> <span class="Constant">load-inputs</span> <span id="L1974" class="LineNr">1974 </span> curr-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L1975" class="LineNr">1975 </span> <span class="Comment"># accumulate the current line as text and render it</span> -<span id="L1976" class="LineNr">1976 </span> buf:&:<a href='../061text.mu.html#L120'>buffer</a>:char <span class="Special"><-</span> <a href='../061text.mu.html#L125'>new-buffer</a><span class="Constant"> 30</span> <span class="Comment"># accumulator for the text we need to render</span> -<span id="L1977" class="LineNr">1977 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1976" class="LineNr">1976 </span> buf:&:buffer:char <span class="Special"><-</span> new-buffer<span class="Constant"> 30</span> <span class="Comment"># accumulator for the text we need to render</span> +<span id="L1977" class="LineNr">1977 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L1978" class="LineNr">1978 </span> i:num <span class="Special"><-</span> copy curr-column <span id="L1979" class="LineNr">1979 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L1980" class="LineNr">1980 </span> <span class="Delimiter">{</span> -<span id="L1981" class="LineNr">1981 </span> <span class="Conceal">¦</span> <span class="Comment"># if we have a wrapped line, give up and render the whole screen</span> -<span id="L1982" class="LineNr">1982 </span> <span class="Conceal">¦</span> wrap?:bool <span class="Special"><-</span> greater-or-equal i, right -<span id="L1983" class="LineNr">1983 </span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> wrap?, <span class="Constant">1/go-render</span> -<span id="L1984" class="LineNr">1984 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L1985" class="LineNr">1985 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L1986" class="LineNr">1986 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L1987" class="LineNr">1987 </span> <span class="Conceal">¦</span> b:bool <span class="Special"><-</span> equal c,<span class="Constant"> 10</span> -<span id="L1988" class="LineNr">1988 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> b -<span id="L1989" class="LineNr">1989 </span> <span class="Conceal">¦</span> buf <span class="Special"><-</span> append buf, c -<span id="L1990" class="LineNr">1990 </span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L1991" class="LineNr">1991 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L1981" class="LineNr">1981 </span> <span class="Comment"># if we have a wrapped line, give up and render the whole screen</span> +<span id="L1982" class="LineNr">1982 </span> wrap?:bool <span class="Special"><-</span> greater-or-equal i, right +<span id="L1983" class="LineNr">1983 </span> <span class="muControl">return-if</span> wrap?, <span class="Constant">1/go-render</span> +<span id="L1984" class="LineNr">1984 </span> curr <span class="Special"><-</span> next curr +<span id="L1985" class="LineNr">1985 </span> <span class="muControl">break-unless</span> curr +<span id="L1986" class="LineNr">1986 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L1987" class="LineNr">1987 </span> b:bool <span class="Special"><-</span> equal c,<span class="Constant"> 10</span> +<span id="L1988" class="LineNr">1988 </span> <span class="muControl">break-if</span> b +<span id="L1989" class="LineNr">1989 </span> buf <span class="Special"><-</span> append buf, c +<span id="L1990" class="LineNr">1990 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L1991" class="LineNr">1991 </span> <span class="muControl"> loop</span> <span id="L1992" class="LineNr">1992 </span> <span class="Delimiter">}</span> <span id="L1993" class="LineNr">1993 </span> <span class="Comment"># if the line used to be wrapped, give up and render the whole screen</span> <span id="L1994" class="LineNr">1994 </span> num-deleted-cells:num <span class="Special"><-</span> length deleted-cells @@ -2059,42 +2058,42 @@ if ('onhashchange' in window) { <span id="L1997" class="LineNr">1997 </span> end:num <span class="Special"><-</span> subtract right, left <span id="L1998" class="LineNr">1998 </span> wrap?:bool <span class="Special"><-</span> greater-or-equal old-row-len, end <span id="L1999" class="LineNr">1999 </span> <span class="muControl">return-if</span> wrap?, <span class="Constant">1/go-render</span> -<span id="L2000" class="LineNr">2000 </span> curr-line:text <span class="Special"><-</span> <a href='../061text.mu.html#L338'>buffer-to-array</a> buf +<span id="L2000" class="LineNr">2000 </span> curr-line:text <span class="Special"><-</span> buffer-to-array buf <span id="L2001" class="LineNr">2001 </span> curr-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L2002" class="LineNr">2002 </span> <a href='003-shortcuts.mu.html#L2062'>render-code</a> <a href='../081print.mu.html#L16'>screen</a>, curr-line, curr-column, right, curr-row +<span id="L2002" class="LineNr">2002 </span> render-code screen, curr-line, curr-column, right, curr-row <span id="L2003" class="LineNr">2003 </span> <span class="muControl"> return</span> <span class="Constant">0/dont-render</span> <span id="L2004" class="LineNr">2004 </span>] <span id="L2005" class="LineNr">2005 </span> -<span id="L2006" class="LineNr">2006 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2006'>delete-to-start-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor [ +<span id="L2006" class="LineNr">2006 </span><span class="muRecipe">def</span> delete-to-start-of-line editor:&:editor<span class="muRecipe"> -> </span>result:&:duplex-list:char, editor:&:editor [ <span id="L2007" class="LineNr">2007 </span> <span class="Constant">local-scope</span> <span id="L2008" class="LineNr">2008 </span> <span class="Constant">load-inputs</span> <span id="L2009" class="LineNr">2009 </span> <span class="Comment"># compute range to delete</span> -<span id="L2010" class="LineNr">2010 </span> init:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L2011" class="LineNr">2011 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L2010" class="LineNr">2010 </span> init:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L2011" class="LineNr">2011 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L2012" class="LineNr">2012 </span> update-top-of-screen?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L2013" class="LineNr">2013 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L2014" class="LineNr">2014 </span> start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy before-cursor -<span id="L2015" class="LineNr">2015 </span> end:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor +<span id="L2013" class="LineNr">2013 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L2014" class="LineNr">2014 </span> start:&:duplex-list:char <span class="Special"><-</span> copy before-cursor +<span id="L2015" class="LineNr">2015 </span> end:&:duplex-list:char <span class="Special"><-</span> next before-cursor <span id="L2016" class="LineNr">2016 </span> <span class="Delimiter">{</span> -<span id="L2017" class="LineNr">2017 </span> <span class="Conceal">¦</span> at-start-of-text?:bool <span class="Special"><-</span> equal start, init -<span id="L2018" class="LineNr">2018 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-start-of-text? -<span id="L2019" class="LineNr">2019 </span> <span class="Conceal">¦</span> curr:char <span class="Special"><-</span> get *start, <span class="Constant">value:offset</span> -<span id="L2020" class="LineNr">2020 </span> <span class="Conceal">¦</span> at-start-of-line?:bool <span class="Special"><-</span> equal curr, <span class="Constant">10/newline</span> -<span id="L2021" class="LineNr">2021 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-start-of-line? -<span id="L2022" class="LineNr">2022 </span> <span class="Conceal">¦</span> <span class="Comment"># if we went past top-of-screen, make a note to update it as well</span> -<span id="L2023" class="LineNr">2023 </span> <span class="Conceal">¦</span> at-top-of-screen?:bool <span class="Special"><-</span> equal start, top-of-screen -<span id="L2024" class="LineNr">2024 </span> <span class="Conceal">¦</span> update-top-of-screen?:bool <span class="Special"><-</span> or update-top-of-screen?, at-top-of-screen? -<span id="L2025" class="LineNr">2025 </span> <span class="Conceal">¦</span> start <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> start -<span id="L2026" class="LineNr">2026 </span> <span class="Conceal">¦</span> assert start, <span class="Constant">[delete-to-start-of-line tried to move before start of text]</span> -<span id="L2027" class="LineNr">2027 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L2017" class="LineNr">2017 </span> at-start-of-text?:bool <span class="Special"><-</span> equal start, init +<span id="L2018" class="LineNr">2018 </span> <span class="muControl">break-if</span> at-start-of-text? +<span id="L2019" class="LineNr">2019 </span> curr:char <span class="Special"><-</span> get *start, <span class="Constant">value:offset</span> +<span id="L2020" class="LineNr">2020 </span> at-start-of-line?:bool <span class="Special"><-</span> equal curr, <span class="Constant">10/newline</span> +<span id="L2021" class="LineNr">2021 </span> <span class="muControl">break-if</span> at-start-of-line? +<span id="L2022" class="LineNr">2022 </span> <span class="Comment"># if we went past top-of-screen, make a note to update it as well</span> +<span id="L2023" class="LineNr">2023 </span> at-top-of-screen?:bool <span class="Special"><-</span> equal start, top-of-screen +<span id="L2024" class="LineNr">2024 </span> update-top-of-screen?:bool <span class="Special"><-</span> or update-top-of-screen?, at-top-of-screen? +<span id="L2025" class="LineNr">2025 </span> start <span class="Special"><-</span> prev start +<span id="L2026" class="LineNr">2026 </span> assert start, <span class="Constant">[delete-to-start-of-line tried to move before start of text]</span> +<span id="L2027" class="LineNr">2027 </span> <span class="muControl"> loop</span> <span id="L2028" class="LineNr">2028 </span> <span class="Delimiter">}</span> <span id="L2029" class="LineNr">2029 </span> <span class="Comment"># snip it out</span> -<span id="L2030" class="LineNr">2030 </span> result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> start -<span id="L2031" class="LineNr">2031 </span> <a href='../065duplex_list.mu.html#L385'>remove-between</a> start, end +<span id="L2030" class="LineNr">2030 </span> result:&:duplex-list:char <span class="Special"><-</span> next start +<span id="L2031" class="LineNr">2031 </span> remove-between start, end <span id="L2032" class="LineNr">2032 </span> <span class="Comment"># update top-of-screen if it's just been invalidated</span> <span id="L2033" class="LineNr">2033 </span> <span class="Delimiter">{</span> -<span id="L2034" class="LineNr">2034 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> update-top-of-screen? -<span id="L2035" class="LineNr">2035 </span> <span class="Conceal">¦</span> put *editor, <span class="Constant">top-of-screen:offset</span>, start +<span id="L2034" class="LineNr">2034 </span> <span class="muControl">break-unless</span> update-top-of-screen? +<span id="L2035" class="LineNr">2035 </span> put *editor, <span class="Constant">top-of-screen:offset</span>, start <span id="L2036" class="LineNr">2036 </span> <span class="Delimiter">}</span> <span id="L2037" class="LineNr">2037 </span> <span class="Comment"># adjust cursor</span> <span id="L2038" class="LineNr">2038 </span> before-cursor <span class="Special"><-</span> copy start @@ -2111,78 +2110,78 @@ if ('onhashchange' in window) { <span id="L2049" class="LineNr">2049 </span> cursor-row-in-editor:num <span class="Special"><-</span> subtract cursor-row,<span class="Constant"> 1</span> <span class="Comment"># ignore menubar</span> <span id="L2050" class="LineNr">2050 </span> at-top?:bool <span class="Special"><-</span> lesser-or-equal cursor-row-in-editor, cursor-row-adjustment <span id="L2051" class="LineNr">2051 </span> <span class="Delimiter">{</span> -<span id="L2052" class="LineNr">2052 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-top? -<span id="L2053" class="LineNr">2053 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> copy<span class="Constant"> 1</span> <span class="Comment"># top of editor, below menubar</span> +<span id="L2052" class="LineNr">2052 </span> <span class="muControl">break-unless</span> at-top? +<span id="L2053" class="LineNr">2053 </span> cursor-row <span class="Special"><-</span> copy<span class="Constant"> 1</span> <span class="Comment"># top of editor, below menubar</span> <span id="L2054" class="LineNr">2054 </span> <span class="Delimiter">}</span> <span id="L2055" class="LineNr">2055 </span> <span class="Delimiter">{</span> -<span id="L2056" class="LineNr">2056 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-top? -<span id="L2057" class="LineNr">2057 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> subtract cursor-row, cursor-row-adjustment +<span id="L2056" class="LineNr">2056 </span> <span class="muControl">break-if</span> at-top? +<span id="L2057" class="LineNr">2057 </span> cursor-row <span class="Special"><-</span> subtract cursor-row, cursor-row-adjustment <span id="L2058" class="LineNr">2058 </span> <span class="Delimiter">}</span> <span id="L2059" class="LineNr">2059 </span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row <span id="L2060" class="LineNr">2060 </span>] <span id="L2061" class="LineNr">2061 </span> -<span id="L2062" class="LineNr">2062 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2062'>render-code</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, s:text, left:num, right:num, row:num<span class="muRecipe"> -> </span>row:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L2062" class="LineNr">2062 </span><span class="muRecipe">def</span> render-code screen:&:screen, s:text, left:num, right:num, row:num<span class="muRecipe"> -> </span>row:num, screen:&:screen [ <span id="L2063" class="LineNr">2063 </span> <span class="Constant">local-scope</span> <span id="L2064" class="LineNr">2064 </span> <span class="Constant">load-inputs</span> <span id="L2065" class="LineNr">2065 </span> <span class="muControl">return-unless</span> s <span id="L2066" class="LineNr">2066 </span> color:num <span class="Special"><-</span> copy <span class="Constant">7/white</span> <span id="L2067" class="LineNr">2067 </span> column:num <span class="Special"><-</span> copy left -<span id="L2068" class="LineNr">2068 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L2069" class="LineNr">2069 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L2068" class="LineNr">2068 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L2069" class="LineNr">2069 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L2070" class="LineNr">2070 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L2071" class="LineNr">2071 </span> len:num <span class="Special"><-</span> length *s <span id="L2072" class="LineNr">2072 </span> <span class="Delimiter">{</span> -<span id="L2073" class="LineNr">2073 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-character</span> -<span id="L2074" class="LineNr">2074 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, len -<span id="L2075" class="LineNr">2075 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L2076" class="LineNr">2076 </span> <span class="Conceal">¦</span> done? <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L2077" class="LineNr">2077 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L2078" class="LineNr">2078 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> index *s, i -<span id="L2079" class="LineNr">2079 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <character-c-received></span> -<span id="L2080" class="LineNr">2080 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L2081" class="LineNr">2081 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># newline? move to left rather than 0</span> -<span id="L2082" class="LineNr">2082 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L2083" class="LineNr">2083 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> newline? -<span id="L2084" class="LineNr">2084 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># clear rest of line in this window</span> -<span id="L2085" class="LineNr">2085 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L2086" class="LineNr">2086 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-than column, right -<span id="L2087" class="LineNr">2087 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L2088" class="LineNr">2088 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L2089" class="LineNr">2089 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, space -<span id="L2090" class="LineNr">2090 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L2091" class="LineNr">2091 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L2092" class="LineNr">2092 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L2093" class="LineNr">2093 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L2094" class="LineNr">2094 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L2095" class="LineNr">2095 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L2096" class="LineNr">2096 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L2097" class="LineNr">2097 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L2098" class="LineNr">2098 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L2099" class="LineNr">2099 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L2100" class="LineNr">2100 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># at right? wrap.</span> -<span id="L2101" class="LineNr">2101 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> equal column, right -<span id="L2102" class="LineNr">2102 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-right? -<span id="L2103" class="LineNr">2103 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># print wrap icon</span> -<span id="L2104" class="LineNr">2104 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> -<span id="L2105" class="LineNr">2105 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, wrap-icon, <span class="Constant">245/grey</span> -<span id="L2106" class="LineNr">2106 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L2107" class="LineNr">2107 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L2108" class="LineNr">2108 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L2109" class="LineNr">2109 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># don't increment i</span> -<span id="L2110" class="LineNr">2110 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L2111" class="LineNr">2111 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L2112" class="LineNr">2112 </span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L2113" class="LineNr">2113 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, c, color -<span id="L2114" class="LineNr">2114 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L2115" class="LineNr">2115 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L2073" class="LineNr">2073 </span><span class="Constant"> +next-character</span> +<span id="L2074" class="LineNr">2074 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<span id="L2075" class="LineNr">2075 </span> <span class="muControl">break-if</span> done? +<span id="L2076" class="LineNr">2076 </span> done? <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L2077" class="LineNr">2077 </span> <span class="muControl">break-if</span> done? +<span id="L2078" class="LineNr">2078 </span> c:char <span class="Special"><-</span> index *s, i +<span id="L2079" class="LineNr">2079 </span><span class="Constant"> <character-c-received></span> +<span id="L2080" class="LineNr">2080 </span> <span class="Delimiter">{</span> +<span id="L2081" class="LineNr">2081 </span> <span class="Comment"># newline? move to left rather than 0</span> +<span id="L2082" class="LineNr">2082 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L2083" class="LineNr">2083 </span> <span class="muControl">break-unless</span> newline? +<span id="L2084" class="LineNr">2084 </span> <span class="Comment"># clear rest of line in this window</span> +<span id="L2085" class="LineNr">2085 </span> <span class="Delimiter">{</span> +<span id="L2086" class="LineNr">2086 </span> done?:bool <span class="Special"><-</span> greater-than column, right +<span id="L2087" class="LineNr">2087 </span> <span class="muControl">break-if</span> done? +<span id="L2088" class="LineNr">2088 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> +<span id="L2089" class="LineNr">2089 </span> print screen, space +<span id="L2090" class="LineNr">2090 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L2091" class="LineNr">2091 </span> <span class="muControl"> loop</span> +<span id="L2092" class="LineNr">2092 </span> <span class="Delimiter">}</span> +<span id="L2093" class="LineNr">2093 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L2094" class="LineNr">2094 </span> column <span class="Special"><-</span> copy left +<span id="L2095" class="LineNr">2095 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L2096" class="LineNr">2096 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L2097" class="LineNr">2097 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L2098" class="LineNr">2098 </span> <span class="Delimiter">}</span> +<span id="L2099" class="LineNr">2099 </span> <span class="Delimiter">{</span> +<span id="L2100" class="LineNr">2100 </span> <span class="Comment"># at right? wrap.</span> +<span id="L2101" class="LineNr">2101 </span> at-right?:bool <span class="Special"><-</span> equal column, right +<span id="L2102" class="LineNr">2102 </span> <span class="muControl">break-unless</span> at-right? +<span id="L2103" class="LineNr">2103 </span> <span class="Comment"># print wrap icon</span> +<span id="L2104" class="LineNr">2104 </span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> +<span id="L2105" class="LineNr">2105 </span> print screen, wrap-icon, <span class="Constant">245/grey</span> +<span id="L2106" class="LineNr">2106 </span> column <span class="Special"><-</span> copy left +<span id="L2107" class="LineNr">2107 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L2108" class="LineNr">2108 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L2109" class="LineNr">2109 </span> <span class="Comment"># don't increment i</span> +<span id="L2110" class="LineNr">2110 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L2111" class="LineNr">2111 </span> <span class="Delimiter">}</span> +<span id="L2112" class="LineNr">2112 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L2113" class="LineNr">2113 </span> print screen, c, color +<span id="L2114" class="LineNr">2114 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L2115" class="LineNr">2115 </span> <span class="muControl"> loop</span> <span id="L2116" class="LineNr">2116 </span> <span class="Delimiter">}</span> <span id="L2117" class="LineNr">2117 </span> was-at-left?:bool <span class="Special"><-</span> equal column, left -<span id="L2118" class="LineNr">2118 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right +<span id="L2118" class="LineNr">2118 </span> clear-line-until screen, right <span id="L2119" class="LineNr">2119 </span> <span class="Delimiter">{</span> -<span id="L2120" class="LineNr">2120 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> was-at-left? -<span id="L2121" class="LineNr">2121 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L2120" class="LineNr">2120 </span> <span class="muControl">break-if</span> was-at-left? +<span id="L2121" class="LineNr">2121 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> <span id="L2122" class="LineNr">2122 </span> <span class="Delimiter">}</span> -<span id="L2123" class="LineNr">2123 </span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left +<span id="L2123" class="LineNr">2123 </span> move-cursor screen, row, left <span id="L2124" class="LineNr">2124 </span>] <span id="L2125" class="LineNr">2125 </span> <span id="L2126" class="LineNr">2126 </span><span class="muScenario">scenario</span> editor-deletes-to-start-of-line-with-ctrl-u-2 [ @@ -2190,24 +2189,24 @@ if ('onhashchange' in window) { <span id="L2128" class="LineNr">2128 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2129" class="LineNr">2129 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2130" class="LineNr">2130 </span><span class="Constant">456]</span> -<span id="L2131" class="LineNr">2131 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2132" class="LineNr">2132 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2131" class="LineNr">2131 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2132" class="LineNr">2132 </span> editor-render screen, e <span id="L2133" class="LineNr">2133 </span> $clear-trace <span id="L2134" class="LineNr">2134 </span> <span class="Comment"># start on first line (no newline before), press ctrl-u</span> <span id="L2135" class="LineNr">2135 </span> assume-console [ -<span id="L2136" class="LineNr">2136 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<span id="L2137" class="LineNr">2137 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2136" class="LineNr">2136 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L2137" class="LineNr">2137 </span> press ctrl-u <span id="L2138" class="LineNr">2138 </span> ] <span id="L2139" class="LineNr">2139 </span> run [ -<span id="L2140" class="LineNr">2140 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2140" class="LineNr">2140 </span> editor-event-loop screen, console, e <span id="L2141" class="LineNr">2141 </span> ] <span id="L2142" class="LineNr">2142 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L2143" class="LineNr">2143 </span> screen-should-contain [ -<span id="L2144" class="LineNr">2144 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2145" class="LineNr">2145 </span> <span class="Conceal">¦</span><span class="Constant"> .3 .</span> -<span id="L2146" class="LineNr">2146 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L2147" class="LineNr">2147 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2148" class="LineNr">2148 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2144" class="LineNr">2144 </span> <span class="Constant"> . .</span> +<span id="L2145" class="LineNr">2145 </span> <span class="Constant"> .3 .</span> +<span id="L2146" class="LineNr">2146 </span> <span class="Constant"> .456 .</span> +<span id="L2147" class="LineNr">2147 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2148" class="LineNr">2148 </span> <span class="Constant"> . .</span> <span id="L2149" class="LineNr">2149 </span> ] <span id="L2150" class="LineNr">2150 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L2151" class="LineNr">2151 </span>] @@ -2217,24 +2216,24 @@ if ('onhashchange' in window) { <span id="L2155" class="LineNr">2155 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2156" class="LineNr">2156 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2157" class="LineNr">2157 </span><span class="Constant">456]</span> -<span id="L2158" class="LineNr">2158 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2159" class="LineNr">2159 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2158" class="LineNr">2158 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2159" class="LineNr">2159 </span> editor-render screen, e <span id="L2160" class="LineNr">2160 </span> $clear-trace <span id="L2161" class="LineNr">2161 </span> <span class="Comment"># start past end of line, press ctrl-u</span> <span id="L2162" class="LineNr">2162 </span> assume-console [ -<span id="L2163" class="LineNr">2163 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L2164" class="LineNr">2164 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2163" class="LineNr">2163 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L2164" class="LineNr">2164 </span> press ctrl-u <span id="L2165" class="LineNr">2165 </span> ] <span id="L2166" class="LineNr">2166 </span> run [ -<span id="L2167" class="LineNr">2167 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2167" class="LineNr">2167 </span> editor-event-loop screen, console, e <span id="L2168" class="LineNr">2168 </span> ] <span id="L2169" class="LineNr">2169 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L2170" class="LineNr">2170 </span> screen-should-contain [ -<span id="L2171" class="LineNr">2171 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2172" class="LineNr">2172 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2173" class="LineNr">2173 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L2174" class="LineNr">2174 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2175" class="LineNr">2175 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2171" class="LineNr">2171 </span> <span class="Constant"> . .</span> +<span id="L2172" class="LineNr">2172 </span> <span class="Constant"> . .</span> +<span id="L2173" class="LineNr">2173 </span> <span class="Constant"> .456 .</span> +<span id="L2174" class="LineNr">2174 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2175" class="LineNr">2175 </span> <span class="Constant"> . .</span> <span id="L2176" class="LineNr">2176 </span> ] <span id="L2177" class="LineNr">2177 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L2178" class="LineNr">2178 </span>] @@ -2244,24 +2243,24 @@ if ('onhashchange' in window) { <span id="L2182" class="LineNr">2182 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2183" class="LineNr">2183 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2184" class="LineNr">2184 </span><span class="Constant">456]</span> -<span id="L2185" class="LineNr">2185 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2186" class="LineNr">2186 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2185" class="LineNr">2185 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2186" class="LineNr">2186 </span> editor-render screen, e <span id="L2187" class="LineNr">2187 </span> $clear-trace <span id="L2188" class="LineNr">2188 </span> <span class="Comment"># start past end of final line, press ctrl-u</span> <span id="L2189" class="LineNr">2189 </span> assume-console [ -<span id="L2190" class="LineNr">2190 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> -<span id="L2191" class="LineNr">2191 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2190" class="LineNr">2190 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> +<span id="L2191" class="LineNr">2191 </span> press ctrl-u <span id="L2192" class="LineNr">2192 </span> ] <span id="L2193" class="LineNr">2193 </span> run [ -<span id="L2194" class="LineNr">2194 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2194" class="LineNr">2194 </span> editor-event-loop screen, console, e <span id="L2195" class="LineNr">2195 </span> ] <span id="L2196" class="LineNr">2196 </span> <span class="Comment"># cursor deletes to start of line</span> <span id="L2197" class="LineNr">2197 </span> screen-should-contain [ -<span id="L2198" class="LineNr">2198 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2199" class="LineNr">2199 </span> <span class="Conceal">¦</span><span class="Constant"> .123 .</span> -<span id="L2200" class="LineNr">2200 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2201" class="LineNr">2201 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2202" class="LineNr">2202 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2198" class="LineNr">2198 </span> <span class="Constant"> . .</span> +<span id="L2199" class="LineNr">2199 </span> <span class="Constant"> .123 .</span> +<span id="L2200" class="LineNr">2200 </span> <span class="Constant"> . .</span> +<span id="L2201" class="LineNr">2201 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2202" class="LineNr">2202 </span> <span class="Constant"> . .</span> <span id="L2203" class="LineNr">2203 </span> ] <span id="L2204" class="LineNr">2204 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L2205" class="LineNr">2205 </span>] @@ -2272,32 +2271,32 @@ if ('onhashchange' in window) { <span id="L2210" class="LineNr">2210 </span> <span class="Comment"># first line starts out wrapping</span> <span id="L2211" class="LineNr">2211 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123456</span> <span id="L2212" class="LineNr">2212 </span><span class="Constant">789]</span> -<span id="L2213" class="LineNr">2213 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2214" class="LineNr">2214 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2213" class="LineNr">2213 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2214" class="LineNr">2214 </span> editor-render screen, e <span id="L2215" class="LineNr">2215 </span> screen-should-contain [ -<span id="L2216" class="LineNr">2216 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2217" class="LineNr">2217 </span> <span class="Conceal">¦</span><span class="Constant"> .1234↩ .</span> -<span id="L2218" class="LineNr">2218 </span> <span class="Conceal">¦</span><span class="Constant"> .56 .</span> -<span id="L2219" class="LineNr">2219 </span> <span class="Conceal">¦</span><span class="Constant"> .789 .</span> -<span id="L2220" class="LineNr">2220 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2221" class="LineNr">2221 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2216" class="LineNr">2216 </span> <span class="Constant"> . .</span> +<span id="L2217" class="LineNr">2217 </span> <span class="Constant"> .1234↩ .</span> +<span id="L2218" class="LineNr">2218 </span> <span class="Constant"> .56 .</span> +<span id="L2219" class="LineNr">2219 </span> <span class="Constant"> .789 .</span> +<span id="L2220" class="LineNr">2220 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2221" class="LineNr">2221 </span> <span class="Constant"> . .</span> <span id="L2222" class="LineNr">2222 </span> ] <span id="L2223" class="LineNr">2223 </span> $clear-trace <span id="L2224" class="LineNr">2224 </span> <span class="Comment"># ctrl-u enough of the first line that it's no longer wrapping</span> <span id="L2225" class="LineNr">2225 </span> assume-console [ -<span id="L2226" class="LineNr">2226 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L2227" class="LineNr">2227 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2226" class="LineNr">2226 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L2227" class="LineNr">2227 </span> press ctrl-u <span id="L2228" class="LineNr">2228 </span> ] <span id="L2229" class="LineNr">2229 </span> run [ -<span id="L2230" class="LineNr">2230 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2230" class="LineNr">2230 </span> editor-event-loop screen, console, e <span id="L2231" class="LineNr">2231 </span> ] <span id="L2232" class="LineNr">2232 </span> <span class="Comment"># entire screen needs to be refreshed</span> <span id="L2233" class="LineNr">2233 </span> screen-should-contain [ -<span id="L2234" class="LineNr">2234 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2235" class="LineNr">2235 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L2236" class="LineNr">2236 </span> <span class="Conceal">¦</span><span class="Constant"> .789 .</span> -<span id="L2237" class="LineNr">2237 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2238" class="LineNr">2238 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2234" class="LineNr">2234 </span> <span class="Constant"> . .</span> +<span id="L2235" class="LineNr">2235 </span> <span class="Constant"> .456 .</span> +<span id="L2236" class="LineNr">2236 </span> <span class="Constant"> .789 .</span> +<span id="L2237" class="LineNr">2237 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2238" class="LineNr">2238 </span> <span class="Constant"> . .</span> <span id="L2239" class="LineNr">2239 </span> ] <span id="L2240" class="LineNr">2240 </span> check-trace-count-for-label<span class="Constant"> 45</span>, <span class="Constant">[print-character]</span> <span id="L2241" class="LineNr">2241 </span>] @@ -2311,41 +2310,41 @@ if ('onhashchange' in window) { <span id="L2249" class="LineNr">2249 </span><span class="Constant">2</span> <span id="L2250" class="LineNr">2250 </span><span class="Constant">345678</span> <span id="L2251" class="LineNr">2251 </span><span class="Constant">9]</span> -<span id="L2252" class="LineNr">2252 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2253" class="LineNr">2253 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2252" class="LineNr">2252 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2253" class="LineNr">2253 </span> editor-render screen, e <span id="L2254" class="LineNr">2254 </span> screen-should-contain [ -<span id="L2255" class="LineNr">2255 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2256" class="LineNr">2256 </span> <span class="Conceal">¦</span><span class="Constant"> .1 .</span> -<span id="L2257" class="LineNr">2257 </span> <span class="Conceal">¦</span><span class="Constant"> .2 .</span> -<span id="L2258" class="LineNr">2258 </span> <span class="Conceal">¦</span><span class="Constant"> .3456↩ .</span> -<span id="L2259" class="LineNr">2259 </span> <span class="Conceal">¦</span><span class="Constant"> .78 .</span> -<span id="L2260" class="LineNr">2260 </span> <span class="Conceal">¦</span><span class="Constant"> .9 .</span> -<span id="L2261" class="LineNr">2261 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2262" class="LineNr">2262 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2255" class="LineNr">2255 </span> <span class="Constant"> . .</span> +<span id="L2256" class="LineNr">2256 </span> <span class="Constant"> .1 .</span> +<span id="L2257" class="LineNr">2257 </span> <span class="Constant"> .2 .</span> +<span id="L2258" class="LineNr">2258 </span> <span class="Constant"> .3456↩ .</span> +<span id="L2259" class="LineNr">2259 </span> <span class="Constant"> .78 .</span> +<span id="L2260" class="LineNr">2260 </span> <span class="Constant"> .9 .</span> +<span id="L2261" class="LineNr">2261 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2262" class="LineNr">2262 </span> <span class="Constant"> . .</span> <span id="L2263" class="LineNr">2263 </span> ] <span id="L2264" class="LineNr">2264 </span> <span class="Comment"># position cursor on screen line after the wrap and hit ctrl-u</span> <span id="L2265" class="LineNr">2265 </span> assume-console [ -<span id="L2266" class="LineNr">2266 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> -<span id="L2267" class="LineNr">2267 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2266" class="LineNr">2266 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> +<span id="L2267" class="LineNr">2267 </span> press ctrl-u <span id="L2268" class="LineNr">2268 </span> ] <span id="L2269" class="LineNr">2269 </span> run [ -<span id="L2270" class="LineNr">2270 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L2271" class="LineNr">2271 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L2272" class="LineNr">2272 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L2270" class="LineNr">2270 </span> editor-event-loop screen, console, e +<span id="L2271" class="LineNr">2271 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L2272" class="LineNr">2272 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2273" class="LineNr">2273 </span> ] <span id="L2274" class="LineNr">2274 </span> screen-should-contain [ -<span id="L2275" class="LineNr">2275 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2276" class="LineNr">2276 </span> <span class="Conceal">¦</span><span class="Constant"> .1 .</span> -<span id="L2277" class="LineNr">2277 </span> <span class="Conceal">¦</span><span class="Constant"> .2 .</span> -<span id="L2278" class="LineNr">2278 </span> <span class="Conceal">¦</span><span class="Constant"> .8 .</span> -<span id="L2279" class="LineNr">2279 </span> <span class="Conceal">¦</span><span class="Constant"> .9 .</span> -<span id="L2280" class="LineNr">2280 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2281" class="LineNr">2281 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2275" class="LineNr">2275 </span> <span class="Constant"> . .</span> +<span id="L2276" class="LineNr">2276 </span> <span class="Constant"> .1 .</span> +<span id="L2277" class="LineNr">2277 </span> <span class="Constant"> .2 .</span> +<span id="L2278" class="LineNr">2278 </span> <span class="Constant"> .8 .</span> +<span id="L2279" class="LineNr">2279 </span> <span class="Constant"> .9 .</span> +<span id="L2280" class="LineNr">2280 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2281" class="LineNr">2281 </span> <span class="Constant"> . .</span> <span id="L2282" class="LineNr">2282 </span> ] <span id="L2283" class="LineNr">2283 </span> <span class="Comment"># cursor moves up one screen line</span> <span id="L2284" class="LineNr">2284 </span> memory-should-contain [ -<span id="L2285" class="LineNr">2285 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor-row</span> -<span id="L2286" class="LineNr">2286 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> +<span id="L2285" class="LineNr">2285 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor-row</span> +<span id="L2286" class="LineNr">2286 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> <span id="L2287" class="LineNr">2287 </span> ] <span id="L2288" class="LineNr">2288 </span>] <span id="L2289" class="LineNr">2289 </span> @@ -2358,45 +2357,45 @@ if ('onhashchange' in window) { <span id="L2296" class="LineNr">2296 </span><span class="Constant">2</span> <span id="L2297" class="LineNr">2297 </span><span class="Constant">3456789abcd</span> <span id="L2298" class="LineNr">2298 </span><span class="Constant">e]</span> -<span id="L2299" class="LineNr">2299 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2300" class="LineNr">2300 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2299" class="LineNr">2299 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2300" class="LineNr">2300 </span> editor-render screen, e <span id="L2301" class="LineNr">2301 </span> assume-console [ -<span id="L2302" class="LineNr">2302 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> +<span id="L2302" class="LineNr">2302 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> <span id="L2303" class="LineNr">2303 </span> ] -<span id="L2304" class="LineNr">2304 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2304" class="LineNr">2304 </span> editor-event-loop screen, console, e <span id="L2305" class="LineNr">2305 </span> screen-should-contain [ -<span id="L2306" class="LineNr">2306 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2307" class="LineNr">2307 </span> <span class="Conceal">¦</span><span class="Constant"> .1 .</span> -<span id="L2308" class="LineNr">2308 </span> <span class="Conceal">¦</span><span class="Constant"> .2 .</span> -<span id="L2309" class="LineNr">2309 </span> <span class="Conceal">¦</span><span class="Constant"> .3456↩ .</span> -<span id="L2310" class="LineNr">2310 </span> <span class="Conceal">¦</span><span class="Constant"> .789a↩ .</span> -<span id="L2311" class="LineNr">2311 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd .</span> -<span id="L2312" class="LineNr">2312 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L2313" class="LineNr">2313 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2314" class="LineNr">2314 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2306" class="LineNr">2306 </span> <span class="Constant"> . .</span> +<span id="L2307" class="LineNr">2307 </span> <span class="Constant"> .1 .</span> +<span id="L2308" class="LineNr">2308 </span> <span class="Constant"> .2 .</span> +<span id="L2309" class="LineNr">2309 </span> <span class="Constant"> .3456↩ .</span> +<span id="L2310" class="LineNr">2310 </span> <span class="Constant"> .789a↩ .</span> +<span id="L2311" class="LineNr">2311 </span> <span class="Constant"> .bcd .</span> +<span id="L2312" class="LineNr">2312 </span> <span class="Constant"> .e .</span> +<span id="L2313" class="LineNr">2313 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2314" class="LineNr">2314 </span> <span class="Constant"> . .</span> <span id="L2315" class="LineNr">2315 </span> ] <span id="L2316" class="LineNr">2316 </span> assume-console [ -<span id="L2317" class="LineNr">2317 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 1</span> -<span id="L2318" class="LineNr">2318 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2317" class="LineNr">2317 </span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 1</span> +<span id="L2318" class="LineNr">2318 </span> press ctrl-u <span id="L2319" class="LineNr">2319 </span> ] <span id="L2320" class="LineNr">2320 </span> run [ -<span id="L2321" class="LineNr">2321 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L2322" class="LineNr">2322 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L2323" class="LineNr">2323 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L2321" class="LineNr">2321 </span> editor-event-loop screen, console, e +<span id="L2322" class="LineNr">2322 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L2323" class="LineNr">2323 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2324" class="LineNr">2324 </span> ] <span id="L2325" class="LineNr">2325 </span> screen-should-contain [ -<span id="L2326" class="LineNr">2326 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2327" class="LineNr">2327 </span> <span class="Conceal">¦</span><span class="Constant"> .1 .</span> -<span id="L2328" class="LineNr">2328 </span> <span class="Conceal">¦</span><span class="Constant"> .2 .</span> -<span id="L2329" class="LineNr">2329 </span> <span class="Conceal">¦</span><span class="Constant"> .cd .</span> -<span id="L2330" class="LineNr">2330 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L2331" class="LineNr">2331 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2332" class="LineNr">2332 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2326" class="LineNr">2326 </span> <span class="Constant"> . .</span> +<span id="L2327" class="LineNr">2327 </span> <span class="Constant"> .1 .</span> +<span id="L2328" class="LineNr">2328 </span> <span class="Constant"> .2 .</span> +<span id="L2329" class="LineNr">2329 </span> <span class="Constant"> .cd .</span> +<span id="L2330" class="LineNr">2330 </span> <span class="Constant"> .e .</span> +<span id="L2331" class="LineNr">2331 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2332" class="LineNr">2332 </span> <span class="Constant"> . .</span> <span id="L2333" class="LineNr">2333 </span> ] <span id="L2334" class="LineNr">2334 </span> <span class="Comment"># make sure we adjusted cursor-row</span> <span id="L2335" class="LineNr">2335 </span> memory-should-contain [ -<span id="L2336" class="LineNr">2336 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor-row</span> -<span id="L2337" class="LineNr">2337 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> +<span id="L2336" class="LineNr">2336 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># cursor-row</span> +<span id="L2337" class="LineNr">2337 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> <span id="L2338" class="LineNr">2338 </span> ] <span id="L2339" class="LineNr">2339 </span>] <span id="L2340" class="LineNr">2340 </span> @@ -2407,37 +2406,37 @@ if ('onhashchange' in window) { <span id="L2345" class="LineNr">2345 </span> <span class="Comment"># first line starts out wrapping</span> <span id="L2346" class="LineNr">2346 </span> s:text <span class="Special"><-</span> new <span class="Constant">[1234567</span> <span id="L2347" class="LineNr">2347 </span><span class="Constant">89]</span> -<span id="L2348" class="LineNr">2348 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2349" class="LineNr">2349 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2348" class="LineNr">2348 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2349" class="LineNr">2349 </span> editor-render screen, e <span id="L2350" class="LineNr">2350 </span> screen-should-contain [ -<span id="L2351" class="LineNr">2351 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2352" class="LineNr">2352 </span> <span class="Conceal">¦</span><span class="Constant"> .1234↩ .</span> -<span id="L2353" class="LineNr">2353 </span> <span class="Conceal">¦</span><span class="Constant"> .567 .</span> -<span id="L2354" class="LineNr">2354 </span> <span class="Conceal">¦</span><span class="Constant"> .89 .</span> -<span id="L2355" class="LineNr">2355 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2356" class="LineNr">2356 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2351" class="LineNr">2351 </span> <span class="Constant"> . .</span> +<span id="L2352" class="LineNr">2352 </span> <span class="Constant"> .1234↩ .</span> +<span id="L2353" class="LineNr">2353 </span> <span class="Constant"> .567 .</span> +<span id="L2354" class="LineNr">2354 </span> <span class="Constant"> .89 .</span> +<span id="L2355" class="LineNr">2355 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2356" class="LineNr">2356 </span> <span class="Constant"> . .</span> <span id="L2357" class="LineNr">2357 </span> ] <span id="L2358" class="LineNr">2358 </span> <span class="Comment"># position cursor on second screen line (after the wrap) and hit ctrl-u</span> <span id="L2359" class="LineNr">2359 </span> assume-console [ -<span id="L2360" class="LineNr">2360 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L2361" class="LineNr">2361 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2360" class="LineNr">2360 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L2361" class="LineNr">2361 </span> press ctrl-u <span id="L2362" class="LineNr">2362 </span> ] <span id="L2363" class="LineNr">2363 </span> run [ -<span id="L2364" class="LineNr">2364 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L2365" class="LineNr">2365 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L2366" class="LineNr">2366 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L2364" class="LineNr">2364 </span> editor-event-loop screen, console, e +<span id="L2365" class="LineNr">2365 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L2366" class="LineNr">2366 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2367" class="LineNr">2367 </span> ] <span id="L2368" class="LineNr">2368 </span> screen-should-contain [ -<span id="L2369" class="LineNr">2369 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2370" class="LineNr">2370 </span> <span class="Conceal">¦</span><span class="Constant"> .67 .</span> -<span id="L2371" class="LineNr">2371 </span> <span class="Conceal">¦</span><span class="Constant"> .89 .</span> -<span id="L2372" class="LineNr">2372 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2373" class="LineNr">2373 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2369" class="LineNr">2369 </span> <span class="Constant"> . .</span> +<span id="L2370" class="LineNr">2370 </span> <span class="Constant"> .67 .</span> +<span id="L2371" class="LineNr">2371 </span> <span class="Constant"> .89 .</span> +<span id="L2372" class="LineNr">2372 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2373" class="LineNr">2373 </span> <span class="Constant"> . .</span> <span id="L2374" class="LineNr">2374 </span> ] <span id="L2375" class="LineNr">2375 </span> <span class="Comment"># cursor moves up to screen line 1</span> <span id="L2376" class="LineNr">2376 </span> memory-should-contain [ -<span id="L2377" class="LineNr">2377 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> -<span id="L2378" class="LineNr">2378 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> +<span id="L2377" class="LineNr">2377 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> +<span id="L2378" class="LineNr">2378 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> <span id="L2379" class="LineNr">2379 </span> ] <span id="L2380" class="LineNr">2380 </span>] <span id="L2381" class="LineNr">2381 </span> @@ -2450,56 +2449,56 @@ if ('onhashchange' in window) { <span id="L2388" class="LineNr">2388 </span><span class="Constant">2</span> <span id="L2389" class="LineNr">2389 </span><span class="Constant">345678</span> <span id="L2390" class="LineNr">2390 </span><span class="Constant">9]</span> -<span id="L2391" class="LineNr">2391 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2392" class="LineNr">2392 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2391" class="LineNr">2391 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2392" class="LineNr">2392 </span> editor-render screen, e <span id="L2393" class="LineNr">2393 </span> <span class="Comment"># position the '78' line at the top of the screen</span> <span id="L2394" class="LineNr">2394 </span> assume-console [ -<span id="L2395" class="LineNr">2395 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> -<span id="L2396" class="LineNr">2396 </span> <span class="Conceal">¦</span> press ctrl-t +<span id="L2395" class="LineNr">2395 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> +<span id="L2396" class="LineNr">2396 </span> press ctrl-t <span id="L2397" class="LineNr">2397 </span> ] -<span id="L2398" class="LineNr">2398 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2398" class="LineNr">2398 </span> editor-event-loop screen, console, e <span id="L2399" class="LineNr">2399 </span> screen-should-contain [ -<span id="L2400" class="LineNr">2400 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2401" class="LineNr">2401 </span> <span class="Conceal">¦</span><span class="Constant"> .78 .</span> -<span id="L2402" class="LineNr">2402 </span> <span class="Conceal">¦</span><span class="Constant"> .9 .</span> -<span id="L2403" class="LineNr">2403 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2404" class="LineNr">2404 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2400" class="LineNr">2400 </span> <span class="Constant"> . .</span> +<span id="L2401" class="LineNr">2401 </span> <span class="Constant"> .78 .</span> +<span id="L2402" class="LineNr">2402 </span> <span class="Constant"> .9 .</span> +<span id="L2403" class="LineNr">2403 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2404" class="LineNr">2404 </span> <span class="Constant"> . .</span> <span id="L2405" class="LineNr">2405 </span> ] <span id="L2406" class="LineNr">2406 </span> assume-console [ -<span id="L2407" class="LineNr">2407 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L2408" class="LineNr">2408 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2407" class="LineNr">2407 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L2408" class="LineNr">2408 </span> press ctrl-u <span id="L2409" class="LineNr">2409 </span> ] <span id="L2410" class="LineNr">2410 </span> run [ -<span id="L2411" class="LineNr">2411 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L2412" class="LineNr">2412 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L2413" class="LineNr">2413 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L2411" class="LineNr">2411 </span> editor-event-loop screen, console, e +<span id="L2412" class="LineNr">2412 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L2413" class="LineNr">2413 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2414" class="LineNr">2414 </span> ] <span id="L2415" class="LineNr">2415 </span> <span class="Comment"># make sure we updated top-of-screen correctly</span> <span id="L2416" class="LineNr">2416 </span> screen-should-contain [ -<span id="L2417" class="LineNr">2417 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2418" class="LineNr">2418 </span> <span class="Conceal">¦</span><span class="Constant"> .8 .</span> -<span id="L2419" class="LineNr">2419 </span> <span class="Conceal">¦</span><span class="Constant"> .9 .</span> -<span id="L2420" class="LineNr">2420 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2421" class="LineNr">2421 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2417" class="LineNr">2417 </span> <span class="Constant"> . .</span> +<span id="L2418" class="LineNr">2418 </span> <span class="Constant"> .8 .</span> +<span id="L2419" class="LineNr">2419 </span> <span class="Constant"> .9 .</span> +<span id="L2420" class="LineNr">2420 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2421" class="LineNr">2421 </span> <span class="Constant"> . .</span> <span id="L2422" class="LineNr">2422 </span> ] <span id="L2423" class="LineNr">2423 </span> memory-should-contain [ -<span id="L2424" class="LineNr">2424 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> -<span id="L2425" class="LineNr">2425 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> +<span id="L2424" class="LineNr">2424 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> +<span id="L2425" class="LineNr">2425 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> <span id="L2426" class="LineNr">2426 </span> ] <span id="L2427" class="LineNr">2427 </span> <span class="Comment"># the entire line is deleted, even the part not shown on screen</span> <span id="L2428" class="LineNr">2428 </span> assume-console [ -<span id="L2429" class="LineNr">2429 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L2429" class="LineNr">2429 </span> press up-arrow <span id="L2430" class="LineNr">2430 </span> ] <span id="L2431" class="LineNr">2431 </span> run [ -<span id="L2432" class="LineNr">2432 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2432" class="LineNr">2432 </span> editor-event-loop screen, console, e <span id="L2433" class="LineNr">2433 </span> ] <span id="L2434" class="LineNr">2434 </span> screen-should-contain [ -<span id="L2435" class="LineNr">2435 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2436" class="LineNr">2436 </span> <span class="Conceal">¦</span><span class="Constant"> .2 .</span> -<span id="L2437" class="LineNr">2437 </span> <span class="Conceal">¦</span><span class="Constant"> .8 .</span> -<span id="L2438" class="LineNr">2438 </span> <span class="Conceal">¦</span><span class="Constant"> .9 .</span> -<span id="L2439" class="LineNr">2439 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2440" class="LineNr">2440 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2435" class="LineNr">2435 </span> <span class="Constant"> . .</span> +<span id="L2436" class="LineNr">2436 </span> <span class="Constant"> .2 .</span> +<span id="L2437" class="LineNr">2437 </span> <span class="Constant"> .8 .</span> +<span id="L2438" class="LineNr">2438 </span> <span class="Constant"> .9 .</span> +<span id="L2439" class="LineNr">2439 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2440" class="LineNr">2440 </span> <span class="Constant"> . .</span> <span id="L2441" class="LineNr">2441 </span> ] <span id="L2442" class="LineNr">2442 </span>] <span id="L2443" class="LineNr">2443 </span> @@ -2512,57 +2511,57 @@ if ('onhashchange' in window) { <span id="L2450" class="LineNr">2450 </span><span class="Constant">2</span> <span id="L2451" class="LineNr">2451 </span><span class="Constant">3456789abcd</span> <span id="L2452" class="LineNr">2452 </span><span class="Constant">e]</span> -<span id="L2453" class="LineNr">2453 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2454" class="LineNr">2454 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2453" class="LineNr">2453 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2454" class="LineNr">2454 </span> editor-render screen, e <span id="L2455" class="LineNr">2455 </span> <span class="Comment"># position the 'bcd' line at the top of the screen</span> <span id="L2456" class="LineNr">2456 </span> assume-console [ -<span id="L2457" class="LineNr">2457 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> -<span id="L2458" class="LineNr">2458 </span> <span class="Conceal">¦</span> press ctrl-t -<span id="L2459" class="LineNr">2459 </span> <span class="Conceal">¦</span> press ctrl-s <span class="Comment"># now on 'c'</span> +<span id="L2457" class="LineNr">2457 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 1</span> <span class="Comment"># on '8'</span> +<span id="L2458" class="LineNr">2458 </span> press ctrl-t +<span id="L2459" class="LineNr">2459 </span> press ctrl-s <span class="Comment"># now on 'c'</span> <span id="L2460" class="LineNr">2460 </span> ] -<span id="L2461" class="LineNr">2461 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2461" class="LineNr">2461 </span> editor-event-loop screen, console, e <span id="L2462" class="LineNr">2462 </span> screen-should-contain [ -<span id="L2463" class="LineNr">2463 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2464" class="LineNr">2464 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd .</span> -<span id="L2465" class="LineNr">2465 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L2466" class="LineNr">2466 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2467" class="LineNr">2467 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2463" class="LineNr">2463 </span> <span class="Constant"> . .</span> +<span id="L2464" class="LineNr">2464 </span> <span class="Constant"> .bcd .</span> +<span id="L2465" class="LineNr">2465 </span> <span class="Constant"> .e .</span> +<span id="L2466" class="LineNr">2466 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2467" class="LineNr">2467 </span> <span class="Constant"> . .</span> <span id="L2468" class="LineNr">2468 </span> ] <span id="L2469" class="LineNr">2469 </span> assume-console [ -<span id="L2470" class="LineNr">2470 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L2471" class="LineNr">2471 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2470" class="LineNr">2470 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L2471" class="LineNr">2471 </span> press ctrl-u <span id="L2472" class="LineNr">2472 </span> ] <span id="L2473" class="LineNr">2473 </span> run [ -<span id="L2474" class="LineNr">2474 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L2475" class="LineNr">2475 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L2476" class="LineNr">2476 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L2474" class="LineNr">2474 </span> editor-event-loop screen, console, e +<span id="L2475" class="LineNr">2475 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L2476" class="LineNr">2476 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2477" class="LineNr">2477 </span> ] <span id="L2478" class="LineNr">2478 </span> <span class="Comment"># make sure we updated top-of-screen correctly</span> <span id="L2479" class="LineNr">2479 </span> screen-should-contain [ -<span id="L2480" class="LineNr">2480 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2481" class="LineNr">2481 </span> <span class="Conceal">¦</span><span class="Constant"> .cd .</span> -<span id="L2482" class="LineNr">2482 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L2483" class="LineNr">2483 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2484" class="LineNr">2484 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2480" class="LineNr">2480 </span> <span class="Constant"> . .</span> +<span id="L2481" class="LineNr">2481 </span> <span class="Constant"> .cd .</span> +<span id="L2482" class="LineNr">2482 </span> <span class="Constant"> .e .</span> +<span id="L2483" class="LineNr">2483 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2484" class="LineNr">2484 </span> <span class="Constant"> . .</span> <span id="L2485" class="LineNr">2485 </span> ] <span id="L2486" class="LineNr">2486 </span> memory-should-contain [ -<span id="L2487" class="LineNr">2487 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> -<span id="L2488" class="LineNr">2488 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> +<span id="L2487" class="LineNr">2487 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># cursor-row</span> +<span id="L2488" class="LineNr">2488 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># cursor-column</span> <span id="L2489" class="LineNr">2489 </span> ] <span id="L2490" class="LineNr">2490 </span> <span class="Comment"># the entire line is deleted, even the part not shown on screen</span> <span id="L2491" class="LineNr">2491 </span> assume-console [ -<span id="L2492" class="LineNr">2492 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L2492" class="LineNr">2492 </span> press up-arrow <span id="L2493" class="LineNr">2493 </span> ] <span id="L2494" class="LineNr">2494 </span> run [ -<span id="L2495" class="LineNr">2495 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2495" class="LineNr">2495 </span> editor-event-loop screen, console, e <span id="L2496" class="LineNr">2496 </span> ] <span id="L2497" class="LineNr">2497 </span> screen-should-contain [ -<span id="L2498" class="LineNr">2498 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2499" class="LineNr">2499 </span> <span class="Conceal">¦</span><span class="Constant"> .2 .</span> -<span id="L2500" class="LineNr">2500 </span> <span class="Conceal">¦</span><span class="Constant"> .cd .</span> -<span id="L2501" class="LineNr">2501 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L2502" class="LineNr">2502 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L2503" class="LineNr">2503 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2498" class="LineNr">2498 </span> <span class="Constant"> . .</span> +<span id="L2499" class="LineNr">2499 </span> <span class="Constant"> .2 .</span> +<span id="L2500" class="LineNr">2500 </span> <span class="Constant"> .cd .</span> +<span id="L2501" class="LineNr">2501 </span> <span class="Constant"> .e .</span> +<span id="L2502" class="LineNr">2502 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L2503" class="LineNr">2503 </span> <span class="Constant"> . .</span> <span id="L2504" class="LineNr">2504 </span> ] <span id="L2505" class="LineNr">2505 </span>] <span id="L2506" class="LineNr">2506 </span> @@ -2573,42 +2572,42 @@ if ('onhashchange' in window) { <span id="L2511" class="LineNr">2511 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2512" class="LineNr">2512 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2513" class="LineNr">2513 </span><span class="Constant">456]</span> -<span id="L2514" class="LineNr">2514 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2515" class="LineNr">2515 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2514" class="LineNr">2514 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2515" class="LineNr">2515 </span> editor-render screen, e <span id="L2516" class="LineNr">2516 </span> $clear-trace <span id="L2517" class="LineNr">2517 </span> <span class="Comment"># start on first line, press ctrl-k</span> <span id="L2518" class="LineNr">2518 </span> assume-console [ -<span id="L2519" class="LineNr">2519 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L2520" class="LineNr">2520 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L2519" class="LineNr">2519 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L2520" class="LineNr">2520 </span> press ctrl-k <span id="L2521" class="LineNr">2521 </span> ] <span id="L2522" class="LineNr">2522 </span> run [ -<span id="L2523" class="LineNr">2523 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2523" class="LineNr">2523 </span> editor-event-loop screen, console, e <span id="L2524" class="LineNr">2524 </span> ] <span id="L2525" class="LineNr">2525 </span> <span class="Comment"># cursor deletes to end of line</span> <span id="L2526" class="LineNr">2526 </span> screen-should-contain [ -<span id="L2527" class="LineNr">2527 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2528" class="LineNr">2528 </span> <span class="Conceal">¦</span><span class="Constant"> .1 .</span> -<span id="L2529" class="LineNr">2529 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L2530" class="LineNr">2530 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2531" class="LineNr">2531 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2527" class="LineNr">2527 </span> <span class="Constant"> . .</span> +<span id="L2528" class="LineNr">2528 </span> <span class="Constant"> .1 .</span> +<span id="L2529" class="LineNr">2529 </span> <span class="Constant"> .456 .</span> +<span id="L2530" class="LineNr">2530 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2531" class="LineNr">2531 </span> <span class="Constant"> . .</span> <span id="L2532" class="LineNr">2532 </span> ] <span id="L2533" class="LineNr">2533 </span> check-trace-count-for-label<span class="Constant"> 9</span>, <span class="Constant">[print-character]</span> <span id="L2534" class="LineNr">2534 </span>] <span id="L2535" class="LineNr">2535 </span> -<span id="L2536" class="LineNr">2536 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L2536" class="LineNr">2536 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L2537" class="LineNr">2537 </span> <span class="Delimiter">{</span> -<span id="L2538" class="LineNr">2538 </span> <span class="Conceal">¦</span> delete-to-end-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">11/ctrl-k</span> -<span id="L2539" class="LineNr">2539 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> delete-to-end-of-line? -<span id="L2540" class="LineNr">2540 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L2540'><begin-delete-to-end-of-line></a></span> -<span id="L2541" class="LineNr">2541 </span> <span class="Conceal">¦</span> deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2567'>delete-to-end-of-line</a> editor -<span id="L2542" class="LineNr">2542 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='003-shortcuts.mu.html#L2542'><end-delete-to-end-of-line></a></span> -<span id="L2543" class="LineNr">2543 </span> <span class="Conceal">¦</span> <span class="Comment"># checks if we can do a minimal render and if we can it will do a minimal render</span> -<span id="L2544" class="LineNr">2544 </span> <span class="Conceal">¦</span> go-render?:bool <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2549'>minimal-render-for-ctrl-k</a> <a href='../081print.mu.html#L16'>screen</a>, editor, deleted-cells -<span id="L2545" class="LineNr">2545 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L2538" class="LineNr">2538 </span> delete-to-end-of-line?:bool <span class="Special"><-</span> equal c, <span class="Constant">11/ctrl-k</span> +<span id="L2539" class="LineNr">2539 </span> <span class="muControl">break-unless</span> delete-to-end-of-line? +<span id="L2540" class="LineNr">2540 </span><span class="Constant"> <begin-delete-to-end-of-line></span> +<span id="L2541" class="LineNr">2541 </span> deleted-cells:&:duplex-list:char <span class="Special"><-</span> delete-to-end-of-line editor +<span id="L2542" class="LineNr">2542 </span><span class="Constant"> <end-delete-to-end-of-line></span> +<span id="L2543" class="LineNr">2543 </span> <span class="Comment"># checks if we can do a minimal render and if we can it will do a minimal render</span> +<span id="L2544" class="LineNr">2544 </span> go-render?:bool <span class="Special"><-</span> minimal-render-for-ctrl-k screen, editor, deleted-cells +<span id="L2545" class="LineNr">2545 </span> <span class="muControl"> return</span> <span id="L2546" class="LineNr">2546 </span> <span class="Delimiter">}</span> <span id="L2547" class="LineNr">2547 </span>] <span id="L2548" class="LineNr">2548 </span> -<span id="L2549" class="LineNr">2549 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2549'>minimal-render-for-ctrl-k</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor, deleted-cells:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char<span class="muRecipe"> -> </span>go-render?:bool, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L2549" class="LineNr">2549 </span><span class="muRecipe">def</span> minimal-render-for-ctrl-k screen:&:screen, editor:&:editor, deleted-cells:&:duplex-list:char<span class="muRecipe"> -> </span>go-render?:bool, screen:&:screen [ <span id="L2550" class="LineNr">2550 </span> <span class="Constant">local-scope</span> <span id="L2551" class="LineNr">2551 </span> <span class="Constant">load-inputs</span> <span id="L2552" class="LineNr">2552 </span> <span class="Comment"># if we deleted nothing, there's nothing to render</span> @@ -2622,28 +2621,28 @@ if ('onhashchange' in window) { <span id="L2560" class="LineNr">2560 </span> end:num <span class="Special"><-</span> subtract right, left <span id="L2561" class="LineNr">2561 </span> wrap?:bool <span class="Special"><-</span> greater-or-equal old-row-len, end <span id="L2562" class="LineNr">2562 </span> <span class="muControl">return-if</span> wrap?, <span class="Constant">1/go-render</span> -<span id="L2563" class="LineNr">2563 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right +<span id="L2563" class="LineNr">2563 </span> clear-line-until screen, right <span id="L2564" class="LineNr">2564 </span> <span class="muControl"> return</span> <span class="Constant">0/dont-render</span> <span id="L2565" class="LineNr">2565 </span>] <span id="L2566" class="LineNr">2566 </span> -<span id="L2567" class="LineNr">2567 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2567'>delete-to-end-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor [ +<span id="L2567" class="LineNr">2567 </span><span class="muRecipe">def</span> delete-to-end-of-line editor:&:editor<span class="muRecipe"> -> </span>result:&:duplex-list:char, editor:&:editor [ <span id="L2568" class="LineNr">2568 </span> <span class="Constant">local-scope</span> <span id="L2569" class="LineNr">2569 </span> <span class="Constant">load-inputs</span> <span id="L2570" class="LineNr">2570 </span> <span class="Comment"># compute range to delete</span> -<span id="L2571" class="LineNr">2571 </span> start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L2572" class="LineNr">2572 </span> end:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> start +<span id="L2571" class="LineNr">2571 </span> start:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L2572" class="LineNr">2572 </span> end:&:duplex-list:char <span class="Special"><-</span> next start <span id="L2573" class="LineNr">2573 </span> <span class="Delimiter">{</span> -<span id="L2574" class="LineNr">2574 </span> <span class="Conceal">¦</span> at-end-of-text?:bool <span class="Special"><-</span> equal end, <span class="Constant">0/null</span> -<span id="L2575" class="LineNr">2575 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-end-of-text? -<span id="L2576" class="LineNr">2576 </span> <span class="Conceal">¦</span> curr:char <span class="Special"><-</span> get *end, <span class="Constant">value:offset</span> -<span id="L2577" class="LineNr">2577 </span> <span class="Conceal">¦</span> at-end-of-line?:bool <span class="Special"><-</span> equal curr, <span class="Constant">10/newline</span> -<span id="L2578" class="LineNr">2578 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-end-of-line? -<span id="L2579" class="LineNr">2579 </span> <span class="Conceal">¦</span> end <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> end -<span id="L2580" class="LineNr">2580 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L2574" class="LineNr">2574 </span> at-end-of-text?:bool <span class="Special"><-</span> equal end, <span class="Constant">0/null</span> +<span id="L2575" class="LineNr">2575 </span> <span class="muControl">break-if</span> at-end-of-text? +<span id="L2576" class="LineNr">2576 </span> curr:char <span class="Special"><-</span> get *end, <span class="Constant">value:offset</span> +<span id="L2577" class="LineNr">2577 </span> at-end-of-line?:bool <span class="Special"><-</span> equal curr, <span class="Constant">10/newline</span> +<span id="L2578" class="LineNr">2578 </span> <span class="muControl">break-if</span> at-end-of-line? +<span id="L2579" class="LineNr">2579 </span> end <span class="Special"><-</span> next end +<span id="L2580" class="LineNr">2580 </span> <span class="muControl"> loop</span> <span id="L2581" class="LineNr">2581 </span> <span class="Delimiter">}</span> <span id="L2582" class="LineNr">2582 </span> <span class="Comment"># snip it out</span> -<span id="L2583" class="LineNr">2583 </span> result <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> start -<span id="L2584" class="LineNr">2584 </span> <a href='../065duplex_list.mu.html#L385'>remove-between</a> start, end +<span id="L2583" class="LineNr">2583 </span> result <span class="Special"><-</span> next start +<span id="L2584" class="LineNr">2584 </span> remove-between start, end <span id="L2585" class="LineNr">2585 </span>] <span id="L2586" class="LineNr">2586 </span> <span id="L2587" class="LineNr">2587 </span><span class="muScenario">scenario</span> editor-deletes-to-end-of-line-with-ctrl-k-2 [ @@ -2651,24 +2650,24 @@ if ('onhashchange' in window) { <span id="L2589" class="LineNr">2589 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2590" class="LineNr">2590 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2591" class="LineNr">2591 </span><span class="Constant">456]</span> -<span id="L2592" class="LineNr">2592 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2593" class="LineNr">2593 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2592" class="LineNr">2592 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2593" class="LineNr">2593 </span> editor-render screen, e <span id="L2594" class="LineNr">2594 </span> $clear-trace <span id="L2595" class="LineNr">2595 </span> <span class="Comment"># start on second line (no newline after), press ctrl-k</span> <span id="L2596" class="LineNr">2596 </span> assume-console [ -<span id="L2597" class="LineNr">2597 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L2598" class="LineNr">2598 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L2597" class="LineNr">2597 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L2598" class="LineNr">2598 </span> press ctrl-k <span id="L2599" class="LineNr">2599 </span> ] <span id="L2600" class="LineNr">2600 </span> run [ -<span id="L2601" class="LineNr">2601 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2601" class="LineNr">2601 </span> editor-event-loop screen, console, e <span id="L2602" class="LineNr">2602 </span> ] <span id="L2603" class="LineNr">2603 </span> <span class="Comment"># cursor deletes to end of line</span> <span id="L2604" class="LineNr">2604 </span> screen-should-contain [ -<span id="L2605" class="LineNr">2605 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2606" class="LineNr">2606 </span> <span class="Conceal">¦</span><span class="Constant"> .123 .</span> -<span id="L2607" class="LineNr">2607 </span> <span class="Conceal">¦</span><span class="Constant"> .4 .</span> -<span id="L2608" class="LineNr">2608 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2609" class="LineNr">2609 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2605" class="LineNr">2605 </span> <span class="Constant"> . .</span> +<span id="L2606" class="LineNr">2606 </span> <span class="Constant"> .123 .</span> +<span id="L2607" class="LineNr">2607 </span> <span class="Constant"> .4 .</span> +<span id="L2608" class="LineNr">2608 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2609" class="LineNr">2609 </span> <span class="Constant"> . .</span> <span id="L2610" class="LineNr">2610 </span> ] <span id="L2611" class="LineNr">2611 </span> check-trace-count-for-label<span class="Constant"> 9</span>, <span class="Constant">[print-character]</span> <span id="L2612" class="LineNr">2612 </span>] @@ -2678,24 +2677,24 @@ if ('onhashchange' in window) { <span id="L2616" class="LineNr">2616 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2617" class="LineNr">2617 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2618" class="LineNr">2618 </span><span class="Constant">456]</span> -<span id="L2619" class="LineNr">2619 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2620" class="LineNr">2620 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2619" class="LineNr">2619 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2620" class="LineNr">2620 </span> editor-render screen, e <span id="L2621" class="LineNr">2621 </span> $clear-trace <span id="L2622" class="LineNr">2622 </span> <span class="Comment"># start at end of line</span> <span id="L2623" class="LineNr">2623 </span> assume-console [ -<span id="L2624" class="LineNr">2624 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<span id="L2625" class="LineNr">2625 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L2624" class="LineNr">2624 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L2625" class="LineNr">2625 </span> press ctrl-k <span id="L2626" class="LineNr">2626 </span> ] <span id="L2627" class="LineNr">2627 </span> run [ -<span id="L2628" class="LineNr">2628 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2628" class="LineNr">2628 </span> editor-event-loop screen, console, e <span id="L2629" class="LineNr">2629 </span> ] <span id="L2630" class="LineNr">2630 </span> <span class="Comment"># cursor deletes just last character</span> <span id="L2631" class="LineNr">2631 </span> screen-should-contain [ -<span id="L2632" class="LineNr">2632 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2633" class="LineNr">2633 </span> <span class="Conceal">¦</span><span class="Constant"> .12 .</span> -<span id="L2634" class="LineNr">2634 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L2635" class="LineNr">2635 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2636" class="LineNr">2636 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2632" class="LineNr">2632 </span> <span class="Constant"> . .</span> +<span id="L2633" class="LineNr">2633 </span> <span class="Constant"> .12 .</span> +<span id="L2634" class="LineNr">2634 </span> <span class="Constant"> .456 .</span> +<span id="L2635" class="LineNr">2635 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2636" class="LineNr">2636 </span> <span class="Constant"> . .</span> <span id="L2637" class="LineNr">2637 </span> ] <span id="L2638" class="LineNr">2638 </span> check-trace-count-for-label<span class="Constant"> 8</span>, <span class="Constant">[print-character]</span> <span id="L2639" class="LineNr">2639 </span>] @@ -2705,24 +2704,24 @@ if ('onhashchange' in window) { <span id="L2643" class="LineNr">2643 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2644" class="LineNr">2644 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2645" class="LineNr">2645 </span><span class="Constant">456]</span> -<span id="L2646" class="LineNr">2646 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2647" class="LineNr">2647 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2646" class="LineNr">2646 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2647" class="LineNr">2647 </span> editor-render screen, e <span id="L2648" class="LineNr">2648 </span> $clear-trace <span id="L2649" class="LineNr">2649 </span> <span class="Comment"># start past end of line</span> <span id="L2650" class="LineNr">2650 </span> assume-console [ -<span id="L2651" class="LineNr">2651 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> -<span id="L2652" class="LineNr">2652 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L2651" class="LineNr">2651 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<span id="L2652" class="LineNr">2652 </span> press ctrl-k <span id="L2653" class="LineNr">2653 </span> ] <span id="L2654" class="LineNr">2654 </span> run [ -<span id="L2655" class="LineNr">2655 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2655" class="LineNr">2655 </span> editor-event-loop screen, console, e <span id="L2656" class="LineNr">2656 </span> ] <span id="L2657" class="LineNr">2657 </span> <span class="Comment"># cursor deletes nothing</span> <span id="L2658" class="LineNr">2658 </span> screen-should-contain [ -<span id="L2659" class="LineNr">2659 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2660" class="LineNr">2660 </span> <span class="Conceal">¦</span><span class="Constant"> .123 .</span> -<span id="L2661" class="LineNr">2661 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L2662" class="LineNr">2662 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2663" class="LineNr">2663 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2659" class="LineNr">2659 </span> <span class="Constant"> . .</span> +<span id="L2660" class="LineNr">2660 </span> <span class="Constant"> .123 .</span> +<span id="L2661" class="LineNr">2661 </span> <span class="Constant"> .456 .</span> +<span id="L2662" class="LineNr">2662 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2663" class="LineNr">2663 </span> <span class="Constant"> . .</span> <span id="L2664" class="LineNr">2664 </span> ] <span id="L2665" class="LineNr">2665 </span> check-trace-count-for-label<span class="Constant"> 7</span>, <span class="Constant">[print-character]</span> <span id="L2666" class="LineNr">2666 </span>] @@ -2732,24 +2731,24 @@ if ('onhashchange' in window) { <span id="L2670" class="LineNr">2670 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2671" class="LineNr">2671 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2672" class="LineNr">2672 </span><span class="Constant">456]</span> -<span id="L2673" class="LineNr">2673 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2674" class="LineNr">2674 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2673" class="LineNr">2673 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2674" class="LineNr">2674 </span> editor-render screen, e <span id="L2675" class="LineNr">2675 </span> $clear-trace <span id="L2676" class="LineNr">2676 </span> <span class="Comment"># start at end of text</span> <span id="L2677" class="LineNr">2677 </span> assume-console [ -<span id="L2678" class="LineNr">2678 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 2</span> -<span id="L2679" class="LineNr">2679 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L2678" class="LineNr">2678 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 2</span> +<span id="L2679" class="LineNr">2679 </span> press ctrl-k <span id="L2680" class="LineNr">2680 </span> ] <span id="L2681" class="LineNr">2681 </span> run [ -<span id="L2682" class="LineNr">2682 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2682" class="LineNr">2682 </span> editor-event-loop screen, console, e <span id="L2683" class="LineNr">2683 </span> ] <span id="L2684" class="LineNr">2684 </span> <span class="Comment"># cursor deletes just the final character</span> <span id="L2685" class="LineNr">2685 </span> screen-should-contain [ -<span id="L2686" class="LineNr">2686 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2687" class="LineNr">2687 </span> <span class="Conceal">¦</span><span class="Constant"> .123 .</span> -<span id="L2688" class="LineNr">2688 </span> <span class="Conceal">¦</span><span class="Constant"> .45 .</span> -<span id="L2689" class="LineNr">2689 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2690" class="LineNr">2690 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2686" class="LineNr">2686 </span> <span class="Constant"> . .</span> +<span id="L2687" class="LineNr">2687 </span> <span class="Constant"> .123 .</span> +<span id="L2688" class="LineNr">2688 </span> <span class="Constant"> .45 .</span> +<span id="L2689" class="LineNr">2689 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2690" class="LineNr">2690 </span> <span class="Constant"> . .</span> <span id="L2691" class="LineNr">2691 </span> ] <span id="L2692" class="LineNr">2692 </span> check-trace-count-for-label<span class="Constant"> 8</span>, <span class="Constant">[print-character]</span> <span id="L2693" class="LineNr">2693 </span>] @@ -2759,24 +2758,24 @@ if ('onhashchange' in window) { <span id="L2697" class="LineNr">2697 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L2698" class="LineNr">2698 </span> s:text <span class="Special"><-</span> new <span class="Constant">[123</span> <span id="L2699" class="LineNr">2699 </span><span class="Constant">456]</span> -<span id="L2700" class="LineNr">2700 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2701" class="LineNr">2701 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2700" class="LineNr">2700 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2701" class="LineNr">2701 </span> editor-render screen, e <span id="L2702" class="LineNr">2702 </span> $clear-trace <span id="L2703" class="LineNr">2703 </span> <span class="Comment"># start past end of text</span> <span id="L2704" class="LineNr">2704 </span> assume-console [ -<span id="L2705" class="LineNr">2705 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> -<span id="L2706" class="LineNr">2706 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L2705" class="LineNr">2705 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 3</span> +<span id="L2706" class="LineNr">2706 </span> press ctrl-k <span id="L2707" class="LineNr">2707 </span> ] <span id="L2708" class="LineNr">2708 </span> run [ -<span id="L2709" class="LineNr">2709 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2709" class="LineNr">2709 </span> editor-event-loop screen, console, e <span id="L2710" class="LineNr">2710 </span> ] <span id="L2711" class="LineNr">2711 </span> <span class="Comment"># cursor deletes nothing</span> <span id="L2712" class="LineNr">2712 </span> screen-should-contain [ -<span id="L2713" class="LineNr">2713 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2714" class="LineNr">2714 </span> <span class="Conceal">¦</span><span class="Constant"> .123 .</span> -<span id="L2715" class="LineNr">2715 </span> <span class="Conceal">¦</span><span class="Constant"> .456 .</span> -<span id="L2716" class="LineNr">2716 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2717" class="LineNr">2717 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2713" class="LineNr">2713 </span> <span class="Constant"> . .</span> +<span id="L2714" class="LineNr">2714 </span> <span class="Constant"> .123 .</span> +<span id="L2715" class="LineNr">2715 </span> <span class="Constant"> .456 .</span> +<span id="L2716" class="LineNr">2716 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2717" class="LineNr">2717 </span> <span class="Constant"> . .</span> <span id="L2718" class="LineNr">2718 </span> ] <span id="L2719" class="LineNr">2719 </span> <span class="Comment"># no prints necessary</span> <span id="L2720" class="LineNr">2720 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[print-character]</span> @@ -2788,23 +2787,23 @@ if ('onhashchange' in window) { <span id="L2726" class="LineNr">2726 </span> <span class="Comment"># create an editor with the first line wrapping to a second screen row</span> <span id="L2727" class="LineNr">2727 </span> s:text <span class="Special"><-</span> new <span class="Constant">[1234</span> <span id="L2728" class="LineNr">2728 </span><span class="Constant">567]</span> -<span id="L2729" class="LineNr">2729 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L2730" class="LineNr">2730 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2729" class="LineNr">2729 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> +<span id="L2730" class="LineNr">2730 </span> editor-render screen, e <span id="L2731" class="LineNr">2731 </span> $clear-trace <span id="L2732" class="LineNr">2732 </span> <span class="Comment"># delete all of the first wrapped line</span> <span id="L2733" class="LineNr">2733 </span> assume-console [ -<span id="L2734" class="LineNr">2734 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L2734" class="LineNr">2734 </span> press ctrl-k <span id="L2735" class="LineNr">2735 </span> ] <span id="L2736" class="LineNr">2736 </span> run [ -<span id="L2737" class="LineNr">2737 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2737" class="LineNr">2737 </span> editor-event-loop screen, console, e <span id="L2738" class="LineNr">2738 </span> ] <span id="L2739" class="LineNr">2739 </span> <span class="Comment"># screen shows an empty unwrapped first line</span> <span id="L2740" class="LineNr">2740 </span> screen-should-contain [ -<span id="L2741" class="LineNr">2741 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2742" class="LineNr">2742 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2743" class="LineNr">2743 </span> <span class="Conceal">¦</span><span class="Constant"> .567 .</span> -<span id="L2744" class="LineNr">2744 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌ .</span> -<span id="L2745" class="LineNr">2745 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2741" class="LineNr">2741 </span> <span class="Constant"> . .</span> +<span id="L2742" class="LineNr">2742 </span> <span class="Constant"> . .</span> +<span id="L2743" class="LineNr">2743 </span> <span class="Constant"> .567 .</span> +<span id="L2744" class="LineNr">2744 </span> <span class="Constant"> .╌╌╌╌ .</span> +<span id="L2745" class="LineNr">2745 </span> <span class="Constant"> . .</span> <span id="L2746" class="LineNr">2746 </span> ] <span id="L2747" class="LineNr">2747 </span> <span class="Comment"># entire screen is refreshed</span> <span id="L2748" class="LineNr">2748 </span> check-trace-count-for-label<span class="Constant"> 16</span>, <span class="Constant">[print-character]</span> @@ -2821,39 +2820,39 @@ if ('onhashchange' in window) { <span id="L2759" class="LineNr">2759 </span><span class="Constant">b</span> <span id="L2760" class="LineNr">2760 </span><span class="Constant">c</span> <span id="L2761" class="LineNr">2761 </span><span class="Constant">d]</span> -<span id="L2762" class="LineNr">2762 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2763" class="LineNr">2763 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2762" class="LineNr">2762 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2763" class="LineNr">2763 </span> editor-render screen, e <span id="L2764" class="LineNr">2764 </span> screen-should-contain [ -<span id="L2765" class="LineNr">2765 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2766" class="LineNr">2766 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L2767" class="LineNr">2767 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L2768" class="LineNr">2768 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L2765" class="LineNr">2765 </span> <span class="Constant"> . .</span> +<span id="L2766" class="LineNr">2766 </span> <span class="Constant"> .a .</span> +<span id="L2767" class="LineNr">2767 </span> <span class="Constant"> .b .</span> +<span id="L2768" class="LineNr">2768 </span> <span class="Constant"> .c .</span> <span id="L2769" class="LineNr">2769 </span> ] <span id="L2770" class="LineNr">2770 </span> <span class="Comment"># position cursor at last line, then try to move further down</span> <span id="L2771" class="LineNr">2771 </span> assume-console [ -<span id="L2772" class="LineNr">2772 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L2773" class="LineNr">2773 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L2772" class="LineNr">2772 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L2773" class="LineNr">2773 </span> press down-arrow <span id="L2774" class="LineNr">2774 </span> ] <span id="L2775" class="LineNr">2775 </span> run [ -<span id="L2776" class="LineNr">2776 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2776" class="LineNr">2776 </span> editor-event-loop screen, console, e <span id="L2777" class="LineNr">2777 </span> ] <span id="L2778" class="LineNr">2778 </span> <span class="Comment"># screen slides by one line</span> <span id="L2779" class="LineNr">2779 </span> screen-should-contain [ -<span id="L2780" class="LineNr">2780 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2781" class="LineNr">2781 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L2782" class="LineNr">2782 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L2783" class="LineNr">2783 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L2780" class="LineNr">2780 </span> <span class="Constant"> . .</span> +<span id="L2781" class="LineNr">2781 </span> <span class="Constant"> .b .</span> +<span id="L2782" class="LineNr">2782 </span> <span class="Constant"> .c .</span> +<span id="L2783" class="LineNr">2783 </span> <span class="Constant"> .d .</span> <span id="L2784" class="LineNr">2784 </span> ] <span id="L2785" class="LineNr">2785 </span>] <span id="L2786" class="LineNr">2786 </span> <span id="L2787" class="LineNr">2787 </span><span class="muRecipe">after</span> <span class="Constant"><scroll-down></span> [ <span id="L2788" class="LineNr">2788 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[scroll down]</span> -<span id="L2789" class="LineNr">2789 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L2789" class="LineNr">2789 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L2790" class="LineNr">2790 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L2791" class="LineNr">2791 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L2792" class="LineNr">2792 </span> max:num <span class="Special"><-</span> subtract right, left -<span id="L2793" class="LineNr">2793 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy top-of-screen -<span id="L2794" class="LineNr">2794 </span> top-of-screen <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2804'>before-start-of-next-line</a> top-of-screen, max +<span id="L2793" class="LineNr">2793 </span> old-top:&:duplex-list:char <span class="Special"><-</span> copy top-of-screen +<span id="L2794" class="LineNr">2794 </span> top-of-screen <span class="Special"><-</span> before-start-of-next-line top-of-screen, max <span id="L2795" class="LineNr">2795 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen <span id="L2796" class="LineNr">2796 </span> no-movement?:bool <span class="Special"><-</span> equal old-top, top-of-screen <span id="L2797" class="LineNr">2797 </span> <span class="muControl">return-if</span> no-movement?, <span class="Constant">0/don't-render</span> @@ -2863,29 +2862,29 @@ if ('onhashchange' in window) { <span id="L2801" class="LineNr">2801 </span><span class="Comment"># positions until the next newline.</span> <span id="L2802" class="LineNr">2802 </span><span class="Comment"># Returns original if no next newline.</span> <span id="L2803" class="LineNr">2803 </span><span class="Comment"># Beware: never return null pointer.</span> -<span id="L2804" class="LineNr">2804 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L2804'>before-start-of-next-line</a> original:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, max:num<span class="muRecipe"> -> </span>curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char [ +<span id="L2804" class="LineNr">2804 </span><span class="muRecipe">def</span> before-start-of-next-line original:&:duplex-list:char, max:num<span class="muRecipe"> -> </span>curr:&:duplex-list:char [ <span id="L2805" class="LineNr">2805 </span> <span class="Constant">local-scope</span> <span id="L2806" class="LineNr">2806 </span> <span class="Constant">load-inputs</span> <span id="L2807" class="LineNr">2807 </span> count:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L2808" class="LineNr">2808 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy original +<span id="L2808" class="LineNr">2808 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy original <span id="L2809" class="LineNr">2809 </span> <span class="Comment"># skip the initial newline if it exists</span> <span id="L2810" class="LineNr">2810 </span> <span class="Delimiter">{</span> -<span id="L2811" class="LineNr">2811 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L2812" class="LineNr">2812 </span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L2813" class="LineNr">2813 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-newline? -<span id="L2814" class="LineNr">2814 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L2815" class="LineNr">2815 </span> <span class="Conceal">¦</span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> +<span id="L2811" class="LineNr">2811 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L2812" class="LineNr">2812 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L2813" class="LineNr">2813 </span> <span class="muControl">break-unless</span> at-newline? +<span id="L2814" class="LineNr">2814 </span> curr <span class="Special"><-</span> next curr +<span id="L2815" class="LineNr">2815 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> <span id="L2816" class="LineNr">2816 </span> <span class="Delimiter">}</span> <span id="L2817" class="LineNr">2817 </span> <span class="Delimiter">{</span> -<span id="L2818" class="LineNr">2818 </span> <span class="Conceal">¦</span> <span class="muControl">return-unless</span> curr, original -<span id="L2819" class="LineNr">2819 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal count, max -<span id="L2820" class="LineNr">2820 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L2821" class="LineNr">2821 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L2822" class="LineNr">2822 </span> <span class="Conceal">¦</span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L2823" class="LineNr">2823 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-newline? -<span id="L2824" class="LineNr">2824 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L2825" class="LineNr">2825 </span> <span class="Conceal">¦</span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> -<span id="L2826" class="LineNr">2826 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L2818" class="LineNr">2818 </span> <span class="muControl">return-unless</span> curr, original +<span id="L2819" class="LineNr">2819 </span> done?:bool <span class="Special"><-</span> greater-or-equal count, max +<span id="L2820" class="LineNr">2820 </span> <span class="muControl">break-if</span> done? +<span id="L2821" class="LineNr">2821 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L2822" class="LineNr">2822 </span> at-newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L2823" class="LineNr">2823 </span> <span class="muControl">break-if</span> at-newline? +<span id="L2824" class="LineNr">2824 </span> curr <span class="Special"><-</span> next curr +<span id="L2825" class="LineNr">2825 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> +<span id="L2826" class="LineNr">2826 </span> <span class="muControl"> loop</span> <span id="L2827" class="LineNr">2827 </span> <span class="Delimiter">}</span> <span id="L2828" class="LineNr">2828 </span> <span class="muControl">return-unless</span> curr, original <span id="L2829" class="LineNr">2829 </span> <span class="muControl"> return</span> curr @@ -2901,28 +2900,28 @@ if ('onhashchange' in window) { <span id="L2839" class="LineNr">2839 </span><span class="Constant">g</span> <span id="L2840" class="LineNr">2840 </span><span class="Constant">h</span> <span id="L2841" class="LineNr">2841 </span><span class="Constant">i]</span> -<span id="L2842" class="LineNr">2842 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L2843" class="LineNr">2843 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2842" class="LineNr">2842 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2843" class="LineNr">2843 </span> editor-render screen, e <span id="L2844" class="LineNr">2844 </span> screen-should-contain [ -<span id="L2845" class="LineNr">2845 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2846" class="LineNr">2846 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L2847" class="LineNr">2847 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L2848" class="LineNr">2848 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> +<span id="L2845" class="LineNr">2845 </span> <span class="Constant"> . .</span> +<span id="L2846" class="LineNr">2846 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L2847" class="LineNr">2847 </span> <span class="Constant"> .ef .</span> +<span id="L2848" class="LineNr">2848 </span> <span class="Constant"> .g .</span> <span id="L2849" class="LineNr">2849 </span> ] <span id="L2850" class="LineNr">2850 </span> <span class="Comment"># position cursor at last line, then try to move further down</span> <span id="L2851" class="LineNr">2851 </span> assume-console [ -<span id="L2852" class="LineNr">2852 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L2853" class="LineNr">2853 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L2852" class="LineNr">2852 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L2853" class="LineNr">2853 </span> press down-arrow <span id="L2854" class="LineNr">2854 </span> ] <span id="L2855" class="LineNr">2855 </span> run [ -<span id="L2856" class="LineNr">2856 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2856" class="LineNr">2856 </span> editor-event-loop screen, console, e <span id="L2857" class="LineNr">2857 </span> ] <span id="L2858" class="LineNr">2858 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L2859" class="LineNr">2859 </span> screen-should-contain [ -<span id="L2860" class="LineNr">2860 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2861" class="LineNr">2861 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L2862" class="LineNr">2862 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L2863" class="LineNr">2863 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> +<span id="L2860" class="LineNr">2860 </span> <span class="Constant"> . .</span> +<span id="L2861" class="LineNr">2861 </span> <span class="Constant"> .ef .</span> +<span id="L2862" class="LineNr">2862 </span> <span class="Constant"> .g .</span> +<span id="L2863" class="LineNr">2863 </span> <span class="Constant"> .h .</span> <span id="L2864" class="LineNr">2864 </span> ] <span id="L2865" class="LineNr">2865 </span>] <span id="L2866" class="LineNr">2866 </span> @@ -2935,35 +2934,35 @@ if ('onhashchange' in window) { <span id="L2873" class="LineNr">2873 </span><span class="Constant">k</span> <span id="L2874" class="LineNr">2874 </span><span class="Constant">l</span> <span id="L2875" class="LineNr">2875 </span><span class="Constant">m]</span> -<span id="L2876" class="LineNr">2876 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2876" class="LineNr">2876 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L2877" class="LineNr">2877 </span> <span class="Comment"># position cursor at last line, then try to move further down</span> <span id="L2878" class="LineNr">2878 </span> assume-console [ -<span id="L2879" class="LineNr">2879 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L2880" class="LineNr">2880 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L2879" class="LineNr">2879 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L2880" class="LineNr">2880 </span> press down-arrow <span id="L2881" class="LineNr">2881 </span> ] <span id="L2882" class="LineNr">2882 </span> run [ -<span id="L2883" class="LineNr">2883 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2883" class="LineNr">2883 </span> editor-event-loop screen, console, e <span id="L2884" class="LineNr">2884 </span> ] <span id="L2885" class="LineNr">2885 </span> <span class="Comment"># screen shows partial wrapped line containing a wrap icon</span> <span id="L2886" class="LineNr">2886 </span> screen-should-contain [ -<span id="L2887" class="LineNr">2887 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2888" class="LineNr">2888 </span> <span class="Conceal">¦</span><span class="Constant"> .efgh↩ .</span> -<span id="L2889" class="LineNr">2889 </span> <span class="Conceal">¦</span><span class="Constant"> .ij .</span> -<span id="L2890" class="LineNr">2890 </span> <span class="Conceal">¦</span><span class="Constant"> .k .</span> +<span id="L2887" class="LineNr">2887 </span> <span class="Constant"> . .</span> +<span id="L2888" class="LineNr">2888 </span> <span class="Constant"> .efgh↩ .</span> +<span id="L2889" class="LineNr">2889 </span> <span class="Constant"> .ij .</span> +<span id="L2890" class="LineNr">2890 </span> <span class="Constant"> .k .</span> <span id="L2891" class="LineNr">2891 </span> ] <span id="L2892" class="LineNr">2892 </span> <span class="Comment"># scroll down again</span> <span id="L2893" class="LineNr">2893 </span> assume-console [ -<span id="L2894" class="LineNr">2894 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L2894" class="LineNr">2894 </span> press down-arrow <span id="L2895" class="LineNr">2895 </span> ] <span id="L2896" class="LineNr">2896 </span> run [ -<span id="L2897" class="LineNr">2897 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2897" class="LineNr">2897 </span> editor-event-loop screen, console, e <span id="L2898" class="LineNr">2898 </span> ] <span id="L2899" class="LineNr">2899 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L2900" class="LineNr">2900 </span> screen-should-contain [ -<span id="L2901" class="LineNr">2901 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2902" class="LineNr">2902 </span> <span class="Conceal">¦</span><span class="Constant"> .ij .</span> -<span id="L2903" class="LineNr">2903 </span> <span class="Conceal">¦</span><span class="Constant"> .k .</span> -<span id="L2904" class="LineNr">2904 </span> <span class="Conceal">¦</span><span class="Constant"> .l .</span> +<span id="L2901" class="LineNr">2901 </span> <span class="Constant"> . .</span> +<span id="L2902" class="LineNr">2902 </span> <span class="Constant"> .ij .</span> +<span id="L2903" class="LineNr">2903 </span> <span class="Constant"> .k .</span> +<span id="L2904" class="LineNr">2904 </span> <span class="Constant"> .l .</span> <span id="L2905" class="LineNr">2905 </span> ] <span id="L2906" class="LineNr">2906 </span>] <span id="L2907" class="LineNr">2907 </span> @@ -2975,27 +2974,27 @@ if ('onhashchange' in window) { <span id="L2913" class="LineNr">2913 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L2914" class="LineNr">2914 </span><span class="Constant">b</span> <span id="L2915" class="LineNr">2915 </span><span class="Constant">cdef]</span> -<span id="L2916" class="LineNr">2916 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2916" class="LineNr">2916 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L2917" class="LineNr">2917 </span> <span class="Comment"># position cursor at end, type a character</span> <span id="L2918" class="LineNr">2918 </span> assume-console [ -<span id="L2919" class="LineNr">2919 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span> -<span id="L2920" class="LineNr">2920 </span> <span class="Conceal">¦</span> type <span class="Constant">[g]</span> +<span id="L2919" class="LineNr">2919 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span> +<span id="L2920" class="LineNr">2920 </span> type <span class="Constant">[g]</span> <span id="L2921" class="LineNr">2921 </span> ] <span id="L2922" class="LineNr">2922 </span> run [ -<span id="L2923" class="LineNr">2923 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L2924" class="LineNr">2924 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L2925" class="LineNr">2925 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L2923" class="LineNr">2923 </span> editor-event-loop screen, console, e +<span id="L2924" class="LineNr">2924 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L2925" class="LineNr">2925 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2926" class="LineNr">2926 </span> ] <span id="L2927" class="LineNr">2927 </span> <span class="Comment"># screen scrolls</span> <span id="L2928" class="LineNr">2928 </span> screen-should-contain [ -<span id="L2929" class="LineNr">2929 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2930" class="LineNr">2930 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L2931" class="LineNr">2931 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .cdef↩.</span> -<span id="L2932" class="LineNr">2932 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> +<span id="L2929" class="LineNr">2929 </span> <span class="Constant"> . .</span> +<span id="L2930" class="LineNr">2930 </span> <span class="Constant"> .b .</span> +<span id="L2931" class="LineNr">2931 </span><span class="Constant"> .cdef↩.</span> +<span id="L2932" class="LineNr">2932 </span> <span class="Constant"> .g .</span> <span id="L2933" class="LineNr">2933 </span> ] <span id="L2934" class="LineNr">2934 </span> memory-should-contain [ -<span id="L2935" class="LineNr">2935 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L2936" class="LineNr">2936 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L2935" class="LineNr">2935 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L2936" class="LineNr">2936 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L2937" class="LineNr">2937 </span> ] <span id="L2938" class="LineNr">2938 </span>] <span id="L2939" class="LineNr">2939 </span> @@ -3006,28 +3005,28 @@ if ('onhashchange' in window) { <span id="L2944" class="LineNr">2944 </span> <span class="Comment"># initialize editor with 2 lines</span> <span id="L2945" class="LineNr">2945 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L2946" class="LineNr">2946 </span><span class="Constant">b]</span> -<span id="L2947" class="LineNr">2947 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2948" class="LineNr">2948 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2947" class="LineNr">2947 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2948" class="LineNr">2948 </span> editor-render screen, e <span id="L2949" class="LineNr">2949 </span> screen-should-contain [ -<span id="L2950" class="LineNr">2950 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2951" class="LineNr">2951 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L2952" class="LineNr">2952 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L2953" class="LineNr">2953 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2950" class="LineNr">2950 </span> <span class="Constant"> . .</span> +<span id="L2951" class="LineNr">2951 </span> <span class="Constant"> .a .</span> +<span id="L2952" class="LineNr">2952 </span> <span class="Constant"> .b .</span> +<span id="L2953" class="LineNr">2953 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L2954" class="LineNr">2954 </span> ] <span id="L2955" class="LineNr">2955 </span> <span class="Comment"># position cursor at last line, then try to move further down</span> <span id="L2956" class="LineNr">2956 </span> assume-console [ -<span id="L2957" class="LineNr">2957 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L2958" class="LineNr">2958 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L2957" class="LineNr">2957 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L2958" class="LineNr">2958 </span> press down-arrow <span id="L2959" class="LineNr">2959 </span> ] <span id="L2960" class="LineNr">2960 </span> run [ -<span id="L2961" class="LineNr">2961 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2961" class="LineNr">2961 </span> editor-event-loop screen, console, e <span id="L2962" class="LineNr">2962 </span> ] <span id="L2963" class="LineNr">2963 </span> <span class="Comment"># no change since the bottom border was already visible</span> <span id="L2964" class="LineNr">2964 </span> screen-should-contain [ -<span id="L2965" class="LineNr">2965 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2966" class="LineNr">2966 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L2967" class="LineNr">2967 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L2968" class="LineNr">2968 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2965" class="LineNr">2965 </span> <span class="Constant"> . .</span> +<span id="L2966" class="LineNr">2966 </span> <span class="Constant"> .a .</span> +<span id="L2967" class="LineNr">2967 </span> <span class="Constant"> .b .</span> +<span id="L2968" class="LineNr">2968 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L2969" class="LineNr">2969 </span> ] <span id="L2970" class="LineNr">2970 </span>] <span id="L2971" class="LineNr">2971 </span> @@ -3038,27 +3037,27 @@ if ('onhashchange' in window) { <span id="L2976" class="LineNr">2976 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L2977" class="LineNr">2977 </span><span class="Constant">b</span> <span id="L2978" class="LineNr">2978 </span><span class="Constant">c]</span> -<span id="L2979" class="LineNr">2979 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L2979" class="LineNr">2979 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L2980" class="LineNr">2980 </span> assume-console [ -<span id="L2981" class="LineNr">2981 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span> -<span id="L2982" class="LineNr">2982 </span> <span class="Conceal">¦</span> type [ +<span id="L2981" class="LineNr">2981 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 4</span> +<span id="L2982" class="LineNr">2982 </span> type [ <span id="L2983" class="LineNr">2983 </span>] <span id="L2984" class="LineNr">2984 </span> ] <span id="L2985" class="LineNr">2985 </span> run [ -<span id="L2986" class="LineNr">2986 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L2987" class="LineNr">2987 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L2988" class="LineNr">2988 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L2986" class="LineNr">2986 </span> editor-event-loop screen, console, e +<span id="L2987" class="LineNr">2987 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L2988" class="LineNr">2988 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2989" class="LineNr">2989 </span> ] <span id="L2990" class="LineNr">2990 </span> <span class="Comment"># screen scrolls</span> <span id="L2991" class="LineNr">2991 </span> screen-should-contain [ -<span id="L2992" class="LineNr">2992 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2993" class="LineNr">2993 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L2994" class="LineNr">2994 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L2995" class="LineNr">2995 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2992" class="LineNr">2992 </span> <span class="Constant"> . .</span> +<span id="L2993" class="LineNr">2993 </span> <span class="Constant"> .b .</span> +<span id="L2994" class="LineNr">2994 </span> <span class="Constant"> .c .</span> +<span id="L2995" class="LineNr">2995 </span> <span class="Constant"> . .</span> <span id="L2996" class="LineNr">2996 </span> ] <span id="L2997" class="LineNr">2997 </span> memory-should-contain [ -<span id="L2998" class="LineNr">2998 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L2999" class="LineNr">2999 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L2998" class="LineNr">2998 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L2999" class="LineNr">2999 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L3000" class="LineNr">3000 </span> ] <span id="L3001" class="LineNr">3001 </span>] <span id="L3002" class="LineNr">3002 </span> @@ -3070,27 +3069,27 @@ if ('onhashchange' in window) { <span id="L3008" class="LineNr">3008 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3009" class="LineNr">3009 </span><span class="Constant">b</span> <span id="L3010" class="LineNr">3010 </span><span class="Constant">cdefgh]</span> -<span id="L3011" class="LineNr">3011 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3011" class="LineNr">3011 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L3012" class="LineNr">3012 </span> <span class="Comment"># position cursor at end of screen and try to move right</span> <span id="L3013" class="LineNr">3013 </span> assume-console [ -<span id="L3014" class="LineNr">3014 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> -<span id="L3015" class="LineNr">3015 </span> <span class="Conceal">¦</span> press right-arrow +<span id="L3014" class="LineNr">3014 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> +<span id="L3015" class="LineNr">3015 </span> press right-arrow <span id="L3016" class="LineNr">3016 </span> ] <span id="L3017" class="LineNr">3017 </span> run [ -<span id="L3018" class="LineNr">3018 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L3019" class="LineNr">3019 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L3020" class="LineNr">3020 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L3018" class="LineNr">3018 </span> editor-event-loop screen, console, e +<span id="L3019" class="LineNr">3019 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L3020" class="LineNr">3020 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3021" class="LineNr">3021 </span> ] <span id="L3022" class="LineNr">3022 </span> <span class="Comment"># screen scrolls</span> <span id="L3023" class="LineNr">3023 </span> screen-should-contain [ -<span id="L3024" class="LineNr">3024 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3025" class="LineNr">3025 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3026" class="LineNr">3026 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .cdef↩.</span> -<span id="L3027" class="LineNr">3027 </span> <span class="Conceal">¦</span><span class="Constant"> .gh .</span> +<span id="L3024" class="LineNr">3024 </span> <span class="Constant"> . .</span> +<span id="L3025" class="LineNr">3025 </span> <span class="Constant"> .b .</span> +<span id="L3026" class="LineNr">3026 </span><span class="Constant"> .cdef↩.</span> +<span id="L3027" class="LineNr">3027 </span> <span class="Constant"> .gh .</span> <span id="L3028" class="LineNr">3028 </span> ] <span id="L3029" class="LineNr">3029 </span> memory-should-contain [ -<span id="L3030" class="LineNr">3030 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L3031" class="LineNr">3031 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L3030" class="LineNr">3030 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L3031" class="LineNr">3031 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L3032" class="LineNr">3032 </span> ] <span id="L3033" class="LineNr">3033 </span>] <span id="L3034" class="LineNr">3034 </span> @@ -3103,27 +3102,27 @@ if ('onhashchange' in window) { <span id="L3041" class="LineNr">3041 </span><span class="Constant">b</span> <span id="L3042" class="LineNr">3042 </span><span class="Constant">c</span> <span id="L3043" class="LineNr">3043 </span><span class="Constant">d]</span> -<span id="L3044" class="LineNr">3044 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3044" class="LineNr">3044 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L3045" class="LineNr">3045 </span> <span class="Comment"># position cursor at end of screen and try to move right</span> <span id="L3046" class="LineNr">3046 </span> assume-console [ -<span id="L3047" class="LineNr">3047 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> -<span id="L3048" class="LineNr">3048 </span> <span class="Conceal">¦</span> press right-arrow +<span id="L3047" class="LineNr">3047 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> +<span id="L3048" class="LineNr">3048 </span> press right-arrow <span id="L3049" class="LineNr">3049 </span> ] <span id="L3050" class="LineNr">3050 </span> run [ -<span id="L3051" class="LineNr">3051 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L3052" class="LineNr">3052 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L3053" class="LineNr">3053 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L3051" class="LineNr">3051 </span> editor-event-loop screen, console, e +<span id="L3052" class="LineNr">3052 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L3053" class="LineNr">3053 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3054" class="LineNr">3054 </span> ] <span id="L3055" class="LineNr">3055 </span> <span class="Comment"># screen scrolls</span> <span id="L3056" class="LineNr">3056 </span> screen-should-contain [ -<span id="L3057" class="LineNr">3057 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3058" class="LineNr">3058 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3059" class="LineNr">3059 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3060" class="LineNr">3060 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L3057" class="LineNr">3057 </span> <span class="Constant"> . .</span> +<span id="L3058" class="LineNr">3058 </span> <span class="Constant"> .b .</span> +<span id="L3059" class="LineNr">3059 </span> <span class="Constant"> .c .</span> +<span id="L3060" class="LineNr">3060 </span> <span class="Constant"> .d .</span> <span id="L3061" class="LineNr">3061 </span> ] <span id="L3062" class="LineNr">3062 </span> memory-should-contain [ -<span id="L3063" class="LineNr">3063 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L3064" class="LineNr">3064 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L3063" class="LineNr">3063 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L3064" class="LineNr">3064 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L3065" class="LineNr">3065 </span> ] <span id="L3066" class="LineNr">3066 </span>] <span id="L3067" class="LineNr">3067 </span> @@ -3132,23 +3131,23 @@ if ('onhashchange' in window) { <span id="L3070" class="LineNr">3070 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L3071" class="LineNr">3071 </span> s:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L3072" class="LineNr">3072 </span><span class="Constant">de]</span> -<span id="L3073" class="LineNr">3073 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3074" class="LineNr">3074 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3073" class="LineNr">3073 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L3074" class="LineNr">3074 </span> editor-render screen, e <span id="L3075" class="LineNr">3075 </span> $clear-trace <span id="L3076" class="LineNr">3076 </span> <span class="Comment"># try to move down past end of text</span> <span id="L3077" class="LineNr">3077 </span> assume-console [ -<span id="L3078" class="LineNr">3078 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> -<span id="L3079" class="LineNr">3079 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L3078" class="LineNr">3078 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 0</span> +<span id="L3079" class="LineNr">3079 </span> press down-arrow <span id="L3080" class="LineNr">3080 </span> ] <span id="L3081" class="LineNr">3081 </span> run [ -<span id="L3082" class="LineNr">3082 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L3083" class="LineNr">3083 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L3084" class="LineNr">3084 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L3082" class="LineNr">3082 </span> editor-event-loop screen, console, e +<span id="L3083" class="LineNr">3083 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L3084" class="LineNr">3084 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3085" class="LineNr">3085 </span> ] <span id="L3086" class="LineNr">3086 </span> <span class="Comment"># no change</span> <span id="L3087" class="LineNr">3087 </span> memory-should-contain [ -<span id="L3088" class="LineNr">3088 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L3089" class="LineNr">3089 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L3088" class="LineNr">3088 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L3089" class="LineNr">3089 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L3090" class="LineNr">3090 </span> ] <span id="L3091" class="LineNr">3091 </span>] <span id="L3092" class="LineNr">3092 </span> @@ -3164,23 +3163,23 @@ if ('onhashchange' in window) { <span id="L3102" class="LineNr">3102 </span><span class="Constant">e</span> <span id="L3103" class="LineNr">3103 </span><span class="Constant">f</span> <span id="L3104" class="LineNr">3104 </span><span class="Constant">g]</span> -<span id="L3105" class="LineNr">3105 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3106" class="LineNr">3106 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3105" class="LineNr">3105 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3106" class="LineNr">3106 </span> editor-render screen, e <span id="L3107" class="LineNr">3107 </span> <span class="Comment"># scroll down one page and one line</span> <span id="L3108" class="LineNr">3108 </span> assume-console [ -<span id="L3109" class="LineNr">3109 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L3110" class="LineNr">3110 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> -<span id="L3111" class="LineNr">3111 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L3109" class="LineNr">3109 </span> press page-down +<span id="L3110" class="LineNr">3110 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 0</span> +<span id="L3111" class="LineNr">3111 </span> press down-arrow <span id="L3112" class="LineNr">3112 </span> ] <span id="L3113" class="LineNr">3113 </span> run [ -<span id="L3114" class="LineNr">3114 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3114" class="LineNr">3114 </span> editor-event-loop screen, console, e <span id="L3115" class="LineNr">3115 </span> ] <span id="L3116" class="LineNr">3116 </span> <span class="Comment"># screen scrolls down 3 lines</span> <span id="L3117" class="LineNr">3117 </span> screen-should-contain [ -<span id="L3118" class="LineNr">3118 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3119" class="LineNr">3119 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L3120" class="LineNr">3120 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L3121" class="LineNr">3121 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> +<span id="L3118" class="LineNr">3118 </span> <span class="Constant"> . .</span> +<span id="L3119" class="LineNr">3119 </span> <span class="Constant"> .d .</span> +<span id="L3120" class="LineNr">3120 </span> <span class="Constant"> .e .</span> +<span id="L3121" class="LineNr">3121 </span> <span class="Constant"> .f .</span> <span id="L3122" class="LineNr">3122 </span> ] <span id="L3123" class="LineNr">3123 </span>] <span id="L3124" class="LineNr">3124 </span> @@ -3195,36 +3194,36 @@ if ('onhashchange' in window) { <span id="L3133" class="LineNr">3133 </span><span class="Constant">b</span> <span id="L3134" class="LineNr">3134 </span><span class="Constant">c</span> <span id="L3135" class="LineNr">3135 </span><span class="Constant">d]</span> -<span id="L3136" class="LineNr">3136 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3137" class="LineNr">3137 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3136" class="LineNr">3136 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L3137" class="LineNr">3137 </span> editor-render screen, e <span id="L3138" class="LineNr">3138 </span> screen-should-contain [ -<span id="L3139" class="LineNr">3139 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3140" class="LineNr">3140 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3141" class="LineNr">3141 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3142" class="LineNr">3142 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3139" class="LineNr">3139 </span> <span class="Constant"> . .</span> +<span id="L3140" class="LineNr">3140 </span> <span class="Constant"> .a .</span> +<span id="L3141" class="LineNr">3141 </span> <span class="Constant"> .b .</span> +<span id="L3142" class="LineNr">3142 </span> <span class="Constant"> .c .</span> <span id="L3143" class="LineNr">3143 </span> ] <span id="L3144" class="LineNr">3144 </span> <span class="Comment"># position cursor at top of second page, then try to move up</span> <span id="L3145" class="LineNr">3145 </span> assume-console [ -<span id="L3146" class="LineNr">3146 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L3147" class="LineNr">3147 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3146" class="LineNr">3146 </span> press page-down +<span id="L3147" class="LineNr">3147 </span> press up-arrow <span id="L3148" class="LineNr">3148 </span> ] <span id="L3149" class="LineNr">3149 </span> run [ -<span id="L3150" class="LineNr">3150 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3150" class="LineNr">3150 </span> editor-event-loop screen, console, e <span id="L3151" class="LineNr">3151 </span> ] <span id="L3152" class="LineNr">3152 </span> <span class="Comment"># screen slides by one line</span> <span id="L3153" class="LineNr">3153 </span> screen-should-contain [ -<span id="L3154" class="LineNr">3154 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3155" class="LineNr">3155 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3156" class="LineNr">3156 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3157" class="LineNr">3157 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L3154" class="LineNr">3154 </span> <span class="Constant"> . .</span> +<span id="L3155" class="LineNr">3155 </span> <span class="Constant"> .b .</span> +<span id="L3156" class="LineNr">3156 </span> <span class="Constant"> .c .</span> +<span id="L3157" class="LineNr">3157 </span> <span class="Constant"> .d .</span> <span id="L3158" class="LineNr">3158 </span> ] <span id="L3159" class="LineNr">3159 </span>] <span id="L3160" class="LineNr">3160 </span> <span id="L3161" class="LineNr">3161 </span><span class="muRecipe">after</span> <span class="Constant"><scroll-up></span> [ <span id="L3162" class="LineNr">3162 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[scroll up]</span> -<span id="L3163" class="LineNr">3163 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3164" class="LineNr">3164 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy top-of-screen -<span id="L3165" class="LineNr">3165 </span> top-of-screen <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> top-of-screen, editor +<span id="L3163" class="LineNr">3163 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3164" class="LineNr">3164 </span> old-top:&:duplex-list:char <span class="Special"><-</span> copy top-of-screen +<span id="L3165" class="LineNr">3165 </span> top-of-screen <span class="Special"><-</span> before-previous-screen-line top-of-screen, editor <span id="L3166" class="LineNr">3166 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen <span id="L3167" class="LineNr">3167 </span> no-movement?:bool <span class="Special"><-</span> equal old-top, top-of-screen <span id="L3168" class="LineNr">3168 </span> <span class="muControl">return-if</span> no-movement?, <span class="Constant">0/don't-render</span> @@ -3234,10 +3233,10 @@ if ('onhashchange' in window) { <span id="L3172" class="LineNr">3172 </span><span class="Comment"># previous *wrapped* line.</span> <span id="L3173" class="LineNr">3173 </span><span class="Comment"># Returns original if no next newline.</span> <span id="L3174" class="LineNr">3174 </span><span class="Comment"># Beware: never return null pointer.</span> -<span id="L3175" class="LineNr">3175 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> in:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char, editor:&:editor<span class="muRecipe"> -> </span>out:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char [ +<span id="L3175" class="LineNr">3175 </span><span class="muRecipe">def</span> before-previous-screen-line in:&:duplex-list:char, editor:&:editor<span class="muRecipe"> -> </span>out:&:duplex-list:char [ <span id="L3176" class="LineNr">3176 </span> <span class="Constant">local-scope</span> <span id="L3177" class="LineNr">3177 </span> <span class="Constant">load-inputs</span> -<span id="L3178" class="LineNr">3178 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy in +<span id="L3178" class="LineNr">3178 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy in <span id="L3179" class="LineNr">3179 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> <span id="L3180" class="LineNr">3180 </span> <span class="Comment"># compute max, number of characters to skip</span> <span id="L3181" class="LineNr">3181 </span> <span class="Comment"># 1 + len%(width-1)</span> @@ -3245,32 +3244,32 @@ if ('onhashchange' in window) { <span id="L3183" class="LineNr">3183 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L3184" class="LineNr">3184 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L3185" class="LineNr">3185 </span> max-line-length:num <span class="Special"><-</span> subtract right, left, <span class="Constant">-1/exclusive-right</span>, <span class="Constant">1/wrap-icon</span> -<span id="L3186" class="LineNr">3186 </span> sentinel:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L3187" class="LineNr">3187 </span> len:num <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L219'>previous-line-length</a> curr, sentinel +<span id="L3186" class="LineNr">3186 </span> sentinel:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L3187" class="LineNr">3187 </span> len:num <span class="Special"><-</span> previous-line-length curr, sentinel <span id="L3188" class="LineNr">3188 </span> <span class="Delimiter">{</span> -<span id="L3189" class="LineNr">3189 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> len -<span id="L3190" class="LineNr">3190 </span> <span class="Conceal">¦</span> <span class="Comment"># empty line; just skip this newline</span> -<span id="L3191" class="LineNr">3191 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr -<span id="L3192" class="LineNr">3192 </span> <span class="Conceal">¦</span> <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a>, curr -<span id="L3193" class="LineNr">3193 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <a href='../065duplex_list.mu.html#L32'>prev</a> +<span id="L3189" class="LineNr">3189 </span> <span class="muControl">break-if</span> len +<span id="L3190" class="LineNr">3190 </span> <span class="Comment"># empty line; just skip this newline</span> +<span id="L3191" class="LineNr">3191 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev curr +<span id="L3192" class="LineNr">3192 </span> <span class="muControl">return-unless</span> prev, curr +<span id="L3193" class="LineNr">3193 </span> <span class="muControl"> return</span> prev <span id="L3194" class="LineNr">3194 </span> <span class="Delimiter">}</span> <span id="L3195" class="LineNr">3195 </span> _, max:num <span class="Special"><-</span> divide-with-remainder len, max-line-length <span id="L3196" class="LineNr">3196 </span> <span class="Comment"># remainder 0 => scan one width-worth</span> <span id="L3197" class="LineNr">3197 </span> <span class="Delimiter">{</span> -<span id="L3198" class="LineNr">3198 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> max -<span id="L3199" class="LineNr">3199 </span> <span class="Conceal">¦</span> max <span class="Special"><-</span> copy max-line-length +<span id="L3198" class="LineNr">3198 </span> <span class="muControl">break-if</span> max +<span id="L3199" class="LineNr">3199 </span> max <span class="Special"><-</span> copy max-line-length <span id="L3200" class="LineNr">3200 </span> <span class="Delimiter">}</span> <span id="L3201" class="LineNr">3201 </span> max <span class="Special"><-</span> add max,<span class="Constant"> 1</span> <span id="L3202" class="LineNr">3202 </span> count:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L3203" class="LineNr">3203 </span> <span class="Comment"># skip 'max' characters</span> <span id="L3204" class="LineNr">3204 </span> <span class="Delimiter">{</span> -<span id="L3205" class="LineNr">3205 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal count, max -<span id="L3206" class="LineNr">3206 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L3207" class="LineNr">3207 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> curr -<span id="L3208" class="LineNr">3208 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L3209" class="LineNr">3209 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L3210" class="LineNr">3210 </span> <span class="Conceal">¦</span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> -<span id="L3211" class="LineNr">3211 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L3205" class="LineNr">3205 </span> done?:bool <span class="Special"><-</span> greater-or-equal count, max +<span id="L3206" class="LineNr">3206 </span> <span class="muControl">break-if</span> done? +<span id="L3207" class="LineNr">3207 </span> prev:&:duplex-list:char <span class="Special"><-</span> prev curr +<span id="L3208" class="LineNr">3208 </span> <span class="muControl">break-unless</span> prev +<span id="L3209" class="LineNr">3209 </span> curr <span class="Special"><-</span> copy prev +<span id="L3210" class="LineNr">3210 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> +<span id="L3211" class="LineNr">3211 </span> <span class="muControl"> loop</span> <span id="L3212" class="LineNr">3212 </span> <span class="Delimiter">}</span> <span id="L3213" class="LineNr">3213 </span> <span class="muControl"> return</span> curr <span id="L3214" class="LineNr">3214 </span>] @@ -3285,40 +3284,40 @@ if ('onhashchange' in window) { <span id="L3223" class="LineNr">3223 </span><span class="Constant">g</span> <span id="L3224" class="LineNr">3224 </span><span class="Constant">h</span> <span id="L3225" class="LineNr">3225 </span><span class="Constant">i]</span> -<span id="L3226" class="LineNr">3226 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3227" class="LineNr">3227 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3226" class="LineNr">3226 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3227" class="LineNr">3227 </span> editor-render screen, e <span id="L3228" class="LineNr">3228 </span> screen-should-contain [ -<span id="L3229" class="LineNr">3229 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3230" class="LineNr">3230 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L3231" class="LineNr">3231 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L3232" class="LineNr">3232 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> +<span id="L3229" class="LineNr">3229 </span> <span class="Constant"> . .</span> +<span id="L3230" class="LineNr">3230 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L3231" class="LineNr">3231 </span> <span class="Constant"> .ef .</span> +<span id="L3232" class="LineNr">3232 </span> <span class="Constant"> .g .</span> <span id="L3233" class="LineNr">3233 </span> ] <span id="L3234" class="LineNr">3234 </span> <span class="Comment"># position cursor at top of second page, just below wrapped line</span> <span id="L3235" class="LineNr">3235 </span> assume-console [ -<span id="L3236" class="LineNr">3236 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3236" class="LineNr">3236 </span> press page-down <span id="L3237" class="LineNr">3237 </span> ] <span id="L3238" class="LineNr">3238 </span> run [ -<span id="L3239" class="LineNr">3239 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3239" class="LineNr">3239 </span> editor-event-loop screen, console, e <span id="L3240" class="LineNr">3240 </span> ] <span id="L3241" class="LineNr">3241 </span> screen-should-contain [ -<span id="L3242" class="LineNr">3242 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3243" class="LineNr">3243 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L3244" class="LineNr">3244 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> -<span id="L3245" class="LineNr">3245 </span> <span class="Conceal">¦</span><span class="Constant"> .i .</span> +<span id="L3242" class="LineNr">3242 </span> <span class="Constant"> . .</span> +<span id="L3243" class="LineNr">3243 </span> <span class="Constant"> .g .</span> +<span id="L3244" class="LineNr">3244 </span> <span class="Constant"> .h .</span> +<span id="L3245" class="LineNr">3245 </span> <span class="Constant"> .i .</span> <span id="L3246" class="LineNr">3246 </span> ] <span id="L3247" class="LineNr">3247 </span> <span class="Comment"># now move up one line</span> <span id="L3248" class="LineNr">3248 </span> assume-console [ -<span id="L3249" class="LineNr">3249 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3249" class="LineNr">3249 </span> press up-arrow <span id="L3250" class="LineNr">3250 </span> ] <span id="L3251" class="LineNr">3251 </span> run [ -<span id="L3252" class="LineNr">3252 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3252" class="LineNr">3252 </span> editor-event-loop screen, console, e <span id="L3253" class="LineNr">3253 </span> ] <span id="L3254" class="LineNr">3254 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3255" class="LineNr">3255 </span> screen-should-contain [ -<span id="L3256" class="LineNr">3256 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3257" class="LineNr">3257 </span> <span class="Conceal">¦</span><span class="Constant"> .ef .</span> -<span id="L3258" class="LineNr">3258 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L3259" class="LineNr">3259 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> +<span id="L3256" class="LineNr">3256 </span> <span class="Constant"> . .</span> +<span id="L3257" class="LineNr">3257 </span> <span class="Constant"> .ef .</span> +<span id="L3258" class="LineNr">3258 </span> <span class="Constant"> .g .</span> +<span id="L3259" class="LineNr">3259 </span> <span class="Constant"> .h .</span> <span id="L3260" class="LineNr">3260 </span> ] <span id="L3261" class="LineNr">3261 </span>] <span id="L3262" class="LineNr">3262 </span> @@ -3331,66 +3330,66 @@ if ('onhashchange' in window) { <span id="L3269" class="LineNr">3269 </span><span class="Constant">k</span> <span id="L3270" class="LineNr">3270 </span><span class="Constant">l</span> <span id="L3271" class="LineNr">3271 </span><span class="Constant">m]</span> -<span id="L3272" class="LineNr">3272 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3273" class="LineNr">3273 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3272" class="LineNr">3272 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3273" class="LineNr">3273 </span> editor-render screen, e <span id="L3274" class="LineNr">3274 </span> <span class="Comment"># position cursor at top of second page</span> <span id="L3275" class="LineNr">3275 </span> assume-console [ -<span id="L3276" class="LineNr">3276 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3276" class="LineNr">3276 </span> press page-down <span id="L3277" class="LineNr">3277 </span> ] <span id="L3278" class="LineNr">3278 </span> run [ -<span id="L3279" class="LineNr">3279 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3279" class="LineNr">3279 </span> editor-event-loop screen, console, e <span id="L3280" class="LineNr">3280 </span> ] <span id="L3281" class="LineNr">3281 </span> screen-should-contain [ -<span id="L3282" class="LineNr">3282 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3283" class="LineNr">3283 </span> <span class="Conceal">¦</span><span class="Constant"> .k .</span> -<span id="L3284" class="LineNr">3284 </span> <span class="Conceal">¦</span><span class="Constant"> .l .</span> -<span id="L3285" class="LineNr">3285 </span> <span class="Conceal">¦</span><span class="Constant"> .m .</span> -<span id="L3286" class="LineNr">3286 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L3282" class="LineNr">3282 </span> <span class="Constant"> . .</span> +<span id="L3283" class="LineNr">3283 </span> <span class="Constant"> .k .</span> +<span id="L3284" class="LineNr">3284 </span> <span class="Constant"> .l .</span> +<span id="L3285" class="LineNr">3285 </span> <span class="Constant"> .m .</span> +<span id="L3286" class="LineNr">3286 </span> <span class="Constant"> .╌╌╌╌╌ .</span> <span id="L3287" class="LineNr">3287 </span> ] <span id="L3288" class="LineNr">3288 </span> <span class="Comment"># move up one line</span> <span id="L3289" class="LineNr">3289 </span> assume-console [ -<span id="L3290" class="LineNr">3290 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3290" class="LineNr">3290 </span> press up-arrow <span id="L3291" class="LineNr">3291 </span> ] <span id="L3292" class="LineNr">3292 </span> run [ -<span id="L3293" class="LineNr">3293 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3293" class="LineNr">3293 </span> editor-event-loop screen, console, e <span id="L3294" class="LineNr">3294 </span> ] <span id="L3295" class="LineNr">3295 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3296" class="LineNr">3296 </span> screen-should-contain [ -<span id="L3297" class="LineNr">3297 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3298" class="LineNr">3298 </span> <span class="Conceal">¦</span><span class="Constant"> .ij .</span> -<span id="L3299" class="LineNr">3299 </span> <span class="Conceal">¦</span><span class="Constant"> .k .</span> -<span id="L3300" class="LineNr">3300 </span> <span class="Conceal">¦</span><span class="Constant"> .l .</span> -<span id="L3301" class="LineNr">3301 </span> <span class="Conceal">¦</span><span class="Constant"> .m .</span> +<span id="L3297" class="LineNr">3297 </span> <span class="Constant"> . .</span> +<span id="L3298" class="LineNr">3298 </span> <span class="Constant"> .ij .</span> +<span id="L3299" class="LineNr">3299 </span> <span class="Constant"> .k .</span> +<span id="L3300" class="LineNr">3300 </span> <span class="Constant"> .l .</span> +<span id="L3301" class="LineNr">3301 </span> <span class="Constant"> .m .</span> <span id="L3302" class="LineNr">3302 </span> ] <span id="L3303" class="LineNr">3303 </span> <span class="Comment"># move up a second line</span> <span id="L3304" class="LineNr">3304 </span> assume-console [ -<span id="L3305" class="LineNr">3305 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3305" class="LineNr">3305 </span> press up-arrow <span id="L3306" class="LineNr">3306 </span> ] <span id="L3307" class="LineNr">3307 </span> run [ -<span id="L3308" class="LineNr">3308 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3308" class="LineNr">3308 </span> editor-event-loop screen, console, e <span id="L3309" class="LineNr">3309 </span> ] <span id="L3310" class="LineNr">3310 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3311" class="LineNr">3311 </span> screen-should-contain [ -<span id="L3312" class="LineNr">3312 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3313" class="LineNr">3313 </span> <span class="Conceal">¦</span><span class="Constant"> .efgh↩ .</span> -<span id="L3314" class="LineNr">3314 </span> <span class="Conceal">¦</span><span class="Constant"> .ij .</span> -<span id="L3315" class="LineNr">3315 </span> <span class="Conceal">¦</span><span class="Constant"> .k .</span> -<span id="L3316" class="LineNr">3316 </span> <span class="Conceal">¦</span><span class="Constant"> .l .</span> +<span id="L3312" class="LineNr">3312 </span> <span class="Constant"> . .</span> +<span id="L3313" class="LineNr">3313 </span> <span class="Constant"> .efgh↩ .</span> +<span id="L3314" class="LineNr">3314 </span> <span class="Constant"> .ij .</span> +<span id="L3315" class="LineNr">3315 </span> <span class="Constant"> .k .</span> +<span id="L3316" class="LineNr">3316 </span> <span class="Constant"> .l .</span> <span id="L3317" class="LineNr">3317 </span> ] <span id="L3318" class="LineNr">3318 </span> <span class="Comment"># move up a third line</span> <span id="L3319" class="LineNr">3319 </span> assume-console [ -<span id="L3320" class="LineNr">3320 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3320" class="LineNr">3320 </span> press up-arrow <span id="L3321" class="LineNr">3321 </span> ] <span id="L3322" class="LineNr">3322 </span> run [ -<span id="L3323" class="LineNr">3323 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3323" class="LineNr">3323 </span> editor-event-loop screen, console, e <span id="L3324" class="LineNr">3324 </span> ] <span id="L3325" class="LineNr">3325 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3326" class="LineNr">3326 </span> screen-should-contain [ -<span id="L3327" class="LineNr">3327 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3328" class="LineNr">3328 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd↩ .</span> -<span id="L3329" class="LineNr">3329 </span> <span class="Conceal">¦</span><span class="Constant"> .efgh↩ .</span> -<span id="L3330" class="LineNr">3330 </span> <span class="Conceal">¦</span><span class="Constant"> .ij .</span> -<span id="L3331" class="LineNr">3331 </span> <span class="Conceal">¦</span><span class="Constant"> .k .</span> +<span id="L3327" class="LineNr">3327 </span> <span class="Constant"> . .</span> +<span id="L3328" class="LineNr">3328 </span> <span class="Constant"> .abcd↩ .</span> +<span id="L3329" class="LineNr">3329 </span> <span class="Constant"> .efgh↩ .</span> +<span id="L3330" class="LineNr">3330 </span> <span class="Constant"> .ij .</span> +<span id="L3331" class="LineNr">3331 </span> <span class="Constant"> .k .</span> <span id="L3332" class="LineNr">3332 </span> ] <span id="L3333" class="LineNr">3333 </span>] <span id="L3334" class="LineNr">3334 </span> @@ -3406,40 +3405,40 @@ if ('onhashchange' in window) { <span id="L3344" class="LineNr">3344 </span><span class="Constant">g</span> <span id="L3345" class="LineNr">3345 </span><span class="Constant">h</span> <span id="L3346" class="LineNr">3346 </span><span class="Constant">i]</span> -<span id="L3347" class="LineNr">3347 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span> -<span id="L3348" class="LineNr">3348 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3347" class="LineNr">3347 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span> +<span id="L3348" class="LineNr">3348 </span> editor-render screen, e <span id="L3349" class="LineNr">3349 </span> screen-should-contain [ -<span id="L3350" class="LineNr">3350 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3351" class="LineNr">3351 </span> <span class="Conceal">¦</span><span class="Constant"> .abcde↩ .</span> -<span id="L3352" class="LineNr">3352 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L3353" class="LineNr">3353 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> +<span id="L3350" class="LineNr">3350 </span> <span class="Constant"> . .</span> +<span id="L3351" class="LineNr">3351 </span> <span class="Constant"> .abcde↩ .</span> +<span id="L3352" class="LineNr">3352 </span> <span class="Constant"> .f .</span> +<span id="L3353" class="LineNr">3353 </span> <span class="Constant"> .g .</span> <span id="L3354" class="LineNr">3354 </span> ] <span id="L3355" class="LineNr">3355 </span> <span class="Comment"># position cursor at top of second page, just below wrapped line</span> <span id="L3356" class="LineNr">3356 </span> assume-console [ -<span id="L3357" class="LineNr">3357 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3357" class="LineNr">3357 </span> press page-down <span id="L3358" class="LineNr">3358 </span> ] <span id="L3359" class="LineNr">3359 </span> run [ -<span id="L3360" class="LineNr">3360 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3360" class="LineNr">3360 </span> editor-event-loop screen, console, e <span id="L3361" class="LineNr">3361 </span> ] <span id="L3362" class="LineNr">3362 </span> screen-should-contain [ -<span id="L3363" class="LineNr">3363 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3364" class="LineNr">3364 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L3365" class="LineNr">3365 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> -<span id="L3366" class="LineNr">3366 </span> <span class="Conceal">¦</span><span class="Constant"> .i .</span> +<span id="L3363" class="LineNr">3363 </span> <span class="Constant"> . .</span> +<span id="L3364" class="LineNr">3364 </span> <span class="Constant"> .g .</span> +<span id="L3365" class="LineNr">3365 </span> <span class="Constant"> .h .</span> +<span id="L3366" class="LineNr">3366 </span> <span class="Constant"> .i .</span> <span id="L3367" class="LineNr">3367 </span> ] <span id="L3368" class="LineNr">3368 </span> <span class="Comment"># now move up one line</span> <span id="L3369" class="LineNr">3369 </span> assume-console [ -<span id="L3370" class="LineNr">3370 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3370" class="LineNr">3370 </span> press up-arrow <span id="L3371" class="LineNr">3371 </span> ] <span id="L3372" class="LineNr">3372 </span> run [ -<span id="L3373" class="LineNr">3373 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3373" class="LineNr">3373 </span> editor-event-loop screen, console, e <span id="L3374" class="LineNr">3374 </span> ] <span id="L3375" class="LineNr">3375 </span> <span class="Comment"># screen shows partial wrapped line</span> <span id="L3376" class="LineNr">3376 </span> screen-should-contain [ -<span id="L3377" class="LineNr">3377 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3378" class="LineNr">3378 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L3379" class="LineNr">3379 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> -<span id="L3380" class="LineNr">3380 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> +<span id="L3377" class="LineNr">3377 </span> <span class="Constant"> . .</span> +<span id="L3378" class="LineNr">3378 </span> <span class="Constant"> .f .</span> +<span id="L3379" class="LineNr">3379 </span> <span class="Constant"> .g .</span> +<span id="L3380" class="LineNr">3380 </span> <span class="Constant"> .h .</span> <span id="L3381" class="LineNr">3381 </span> ] <span id="L3382" class="LineNr">3382 </span>] <span id="L3383" class="LineNr">3383 </span> @@ -3454,43 +3453,43 @@ if ('onhashchange' in window) { <span id="L3392" class="LineNr">3392 </span>c <span id="L3393" class="LineNr">3393 </span>d <span id="L3394" class="LineNr">3394 </span>e] -<span id="L3395" class="LineNr">3395 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span> -<span id="L3396" class="LineNr">3396 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3395" class="LineNr">3395 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">6/right</span> +<span id="L3396" class="LineNr">3396 </span> editor-render screen, e <span id="L3397" class="LineNr">3397 </span> assume-console [ -<span id="L3398" class="LineNr">3398 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3398" class="LineNr">3398 </span> press page-down <span id="L3399" class="LineNr">3399 </span> ] <span id="L3400" class="LineNr">3400 </span> run [ -<span id="L3401" class="LineNr">3401 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3401" class="LineNr">3401 </span> editor-event-loop screen, console, e <span id="L3402" class="LineNr">3402 </span> ] <span id="L3403" class="LineNr">3403 </span> screen-should-contain [ -<span id="L3404" class="LineNr">3404 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3405" class="LineNr">3405 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3406" class="LineNr">3406 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3407" class="LineNr">3407 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L3404" class="LineNr">3404 </span> <span class="Constant"> . .</span> +<span id="L3405" class="LineNr">3405 </span> <span class="Constant"> . .</span> +<span id="L3406" class="LineNr">3406 </span> <span class="Constant"> .c .</span> +<span id="L3407" class="LineNr">3407 </span> <span class="Constant"> .d .</span> <span id="L3408" class="LineNr">3408 </span> ] <span id="L3409" class="LineNr">3409 </span> assume-console [ -<span id="L3410" class="LineNr">3410 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3410" class="LineNr">3410 </span> press page-down <span id="L3411" class="LineNr">3411 </span> ] <span id="L3412" class="LineNr">3412 </span> run [ -<span id="L3413" class="LineNr">3413 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3413" class="LineNr">3413 </span> editor-event-loop screen, console, e <span id="L3414" class="LineNr">3414 </span> ] <span id="L3415" class="LineNr">3415 </span> screen-should-contain [ -<span id="L3416" class="LineNr">3416 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3417" class="LineNr">3417 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L3418" class="LineNr">3418 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L3419" class="LineNr">3419 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌ .</span> +<span id="L3416" class="LineNr">3416 </span> <span class="Constant"> . .</span> +<span id="L3417" class="LineNr">3417 </span> <span class="Constant"> .d .</span> +<span id="L3418" class="LineNr">3418 </span> <span class="Constant"> .e .</span> +<span id="L3419" class="LineNr">3419 </span> <span class="Constant"> .╌╌╌╌╌╌ .</span> <span id="L3420" class="LineNr">3420 </span> ] <span id="L3421" class="LineNr">3421 </span> assume-console [ -<span id="L3422" class="LineNr">3422 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L3422" class="LineNr">3422 </span> press page-up <span id="L3423" class="LineNr">3423 </span> ] <span id="L3424" class="LineNr">3424 </span> run [ -<span id="L3425" class="LineNr">3425 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3425" class="LineNr">3425 </span> editor-event-loop screen, console, e <span id="L3426" class="LineNr">3426 </span> ] <span id="L3427" class="LineNr">3427 </span> screen-should-contain [ -<span id="L3428" class="LineNr">3428 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3429" class="LineNr">3429 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3430" class="LineNr">3430 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3431" class="LineNr">3431 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L3428" class="LineNr">3428 </span> <span class="Constant"> . .</span> +<span id="L3429" class="LineNr">3429 </span> <span class="Constant"> . .</span> +<span id="L3430" class="LineNr">3430 </span> <span class="Constant"> .c .</span> +<span id="L3431" class="LineNr">3431 </span> <span class="Constant"> .d .</span> <span id="L3432" class="LineNr">3432 </span> ] <span id="L3433" class="LineNr">3433 </span>] <span id="L3434" class="LineNr">3434 </span> @@ -3504,40 +3503,40 @@ if ('onhashchange' in window) { <span id="L3442" class="LineNr">3442 </span><span class="Constant">c</span> <span id="L3443" class="LineNr">3443 </span><span class="Constant">d</span> <span id="L3444" class="LineNr">3444 </span><span class="Constant">e]</span> -<span id="L3445" class="LineNr">3445 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L3446" class="LineNr">3446 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3445" class="LineNr">3445 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L3446" class="LineNr">3446 </span> editor-render screen, e <span id="L3447" class="LineNr">3447 </span> <span class="Comment"># position cursor at top of second page</span> <span id="L3448" class="LineNr">3448 </span> assume-console [ -<span id="L3449" class="LineNr">3449 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3449" class="LineNr">3449 </span> press page-down <span id="L3450" class="LineNr">3450 </span> ] <span id="L3451" class="LineNr">3451 </span> run [ -<span id="L3452" class="LineNr">3452 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3452" class="LineNr">3452 </span> editor-event-loop screen, console, e <span id="L3453" class="LineNr">3453 </span> ] <span id="L3454" class="LineNr">3454 </span> screen-should-contain [ -<span id="L3455" class="LineNr">3455 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3456" class="LineNr">3456 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3457" class="LineNr">3457 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L3458" class="LineNr">3458 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> +<span id="L3455" class="LineNr">3455 </span> <span class="Constant"> . .</span> +<span id="L3456" class="LineNr">3456 </span> <span class="Constant"> .c .</span> +<span id="L3457" class="LineNr">3457 </span> <span class="Constant"> .d .</span> +<span id="L3458" class="LineNr">3458 </span> <span class="Constant"> .e .</span> <span id="L3459" class="LineNr">3459 </span> ] <span id="L3460" class="LineNr">3460 </span> <span class="Comment"># now try to move left</span> <span id="L3461" class="LineNr">3461 </span> assume-console [ -<span id="L3462" class="LineNr">3462 </span> <span class="Conceal">¦</span> press left-arrow +<span id="L3462" class="LineNr">3462 </span> press left-arrow <span id="L3463" class="LineNr">3463 </span> ] <span id="L3464" class="LineNr">3464 </span> run [ -<span id="L3465" class="LineNr">3465 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L3466" class="LineNr">3466 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L3467" class="LineNr">3467 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L3465" class="LineNr">3465 </span> editor-event-loop screen, console, e +<span id="L3466" class="LineNr">3466 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L3467" class="LineNr">3467 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L3468" class="LineNr">3468 </span> ] <span id="L3469" class="LineNr">3469 </span> <span class="Comment"># screen scrolls</span> <span id="L3470" class="LineNr">3470 </span> screen-should-contain [ -<span id="L3471" class="LineNr">3471 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3472" class="LineNr">3472 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3473" class="LineNr">3473 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3474" class="LineNr">3474 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L3471" class="LineNr">3471 </span> <span class="Constant"> . .</span> +<span id="L3472" class="LineNr">3472 </span> <span class="Constant"> .b .</span> +<span id="L3473" class="LineNr">3473 </span> <span class="Constant"> .c .</span> +<span id="L3474" class="LineNr">3474 </span> <span class="Constant"> .d .</span> <span id="L3475" class="LineNr">3475 </span> ] <span id="L3476" class="LineNr">3476 </span> memory-should-contain [ -<span id="L3477" class="LineNr">3477 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L3478" class="LineNr">3478 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L3477" class="LineNr">3477 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L3478" class="LineNr">3478 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L3479" class="LineNr">3479 </span> ] <span id="L3480" class="LineNr">3480 </span>] <span id="L3481" class="LineNr">3481 </span> @@ -3550,44 +3549,44 @@ if ('onhashchange' in window) { <span id="L3488" class="LineNr">3488 </span><span class="Constant">b</span> <span id="L3489" class="LineNr">3489 </span><span class="Constant">c</span> <span id="L3490" class="LineNr">3490 </span><span class="Constant">d]</span> -<span id="L3491" class="LineNr">3491 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3492" class="LineNr">3492 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3491" class="LineNr">3491 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L3492" class="LineNr">3492 </span> editor-render screen, e <span id="L3493" class="LineNr">3493 </span> screen-should-contain [ -<span id="L3494" class="LineNr">3494 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3495" class="LineNr">3495 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3496" class="LineNr">3496 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3497" class="LineNr">3497 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3494" class="LineNr">3494 </span> <span class="Constant"> . .</span> +<span id="L3495" class="LineNr">3495 </span> <span class="Constant"> .a .</span> +<span id="L3496" class="LineNr">3496 </span> <span class="Constant"> .b .</span> +<span id="L3497" class="LineNr">3497 </span> <span class="Constant"> .c .</span> <span id="L3498" class="LineNr">3498 </span> ] <span id="L3499" class="LineNr">3499 </span> <span class="Comment"># position cursor at top of second page, then try to move up to start of</span> <span id="L3500" class="LineNr">3500 </span> <span class="Comment"># text</span> <span id="L3501" class="LineNr">3501 </span> assume-console [ -<span id="L3502" class="LineNr">3502 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L3503" class="LineNr">3503 </span> <span class="Conceal">¦</span> press up-arrow -<span id="L3504" class="LineNr">3504 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3502" class="LineNr">3502 </span> press page-down +<span id="L3503" class="LineNr">3503 </span> press up-arrow +<span id="L3504" class="LineNr">3504 </span> press up-arrow <span id="L3505" class="LineNr">3505 </span> ] <span id="L3506" class="LineNr">3506 </span> run [ -<span id="L3507" class="LineNr">3507 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3507" class="LineNr">3507 </span> editor-event-loop screen, console, e <span id="L3508" class="LineNr">3508 </span> ] <span id="L3509" class="LineNr">3509 </span> <span class="Comment"># screen slides by one line</span> <span id="L3510" class="LineNr">3510 </span> screen-should-contain [ -<span id="L3511" class="LineNr">3511 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3512" class="LineNr">3512 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3513" class="LineNr">3513 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3514" class="LineNr">3514 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3511" class="LineNr">3511 </span> <span class="Constant"> . .</span> +<span id="L3512" class="LineNr">3512 </span> <span class="Constant"> .a .</span> +<span id="L3513" class="LineNr">3513 </span> <span class="Constant"> .b .</span> +<span id="L3514" class="LineNr">3514 </span> <span class="Constant"> .c .</span> <span id="L3515" class="LineNr">3515 </span> ] <span id="L3516" class="LineNr">3516 </span> <span class="Comment"># try to move up again</span> <span id="L3517" class="LineNr">3517 </span> assume-console [ -<span id="L3518" class="LineNr">3518 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L3518" class="LineNr">3518 </span> press up-arrow <span id="L3519" class="LineNr">3519 </span> ] <span id="L3520" class="LineNr">3520 </span> run [ -<span id="L3521" class="LineNr">3521 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3521" class="LineNr">3521 </span> editor-event-loop screen, console, e <span id="L3522" class="LineNr">3522 </span> ] <span id="L3523" class="LineNr">3523 </span> <span class="Comment"># screen remains unchanged</span> <span id="L3524" class="LineNr">3524 </span> screen-should-contain [ -<span id="L3525" class="LineNr">3525 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3526" class="LineNr">3526 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3527" class="LineNr">3527 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3528" class="LineNr">3528 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3525" class="LineNr">3525 </span> <span class="Constant"> . .</span> +<span id="L3526" class="LineNr">3526 </span> <span class="Constant"> .a .</span> +<span id="L3527" class="LineNr">3527 </span> <span class="Constant"> .b .</span> +<span id="L3528" class="LineNr">3528 </span> <span class="Constant"> .c .</span> <span id="L3529" class="LineNr">3529 </span> ] <span id="L3530" class="LineNr">3530 </span>] <span id="L3531" class="LineNr">3531 </span> @@ -3600,88 +3599,88 @@ if ('onhashchange' in window) { <span id="L3538" class="LineNr">3538 </span><span class="Constant">b</span> <span id="L3539" class="LineNr">3539 </span><span class="Constant">c</span> <span id="L3540" class="LineNr">3540 </span><span class="Constant">d]</span> -<span id="L3541" class="LineNr">3541 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3542" class="LineNr">3542 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3541" class="LineNr">3541 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L3542" class="LineNr">3542 </span> editor-render screen, e <span id="L3543" class="LineNr">3543 </span> screen-should-contain [ -<span id="L3544" class="LineNr">3544 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3545" class="LineNr">3545 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3546" class="LineNr">3546 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3547" class="LineNr">3547 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3544" class="LineNr">3544 </span> <span class="Constant"> . .</span> +<span id="L3545" class="LineNr">3545 </span> <span class="Constant"> .a .</span> +<span id="L3546" class="LineNr">3546 </span> <span class="Constant"> .b .</span> +<span id="L3547" class="LineNr">3547 </span> <span class="Constant"> .c .</span> <span id="L3548" class="LineNr">3548 </span> ] <span id="L3549" class="LineNr">3549 </span> <span class="Comment"># scroll down</span> <span id="L3550" class="LineNr">3550 </span> assume-console [ -<span id="L3551" class="LineNr">3551 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3551" class="LineNr">3551 </span> press page-down <span id="L3552" class="LineNr">3552 </span> ] <span id="L3553" class="LineNr">3553 </span> run [ -<span id="L3554" class="LineNr">3554 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3554" class="LineNr">3554 </span> editor-event-loop screen, console, e <span id="L3555" class="LineNr">3555 </span> ] <span id="L3556" class="LineNr">3556 </span> <span class="Comment"># screen shows next page</span> <span id="L3557" class="LineNr">3557 </span> screen-should-contain [ -<span id="L3558" class="LineNr">3558 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3559" class="LineNr">3559 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3560" class="LineNr">3560 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L3561" class="LineNr">3561 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L3558" class="LineNr">3558 </span> <span class="Constant"> . .</span> +<span id="L3559" class="LineNr">3559 </span> <span class="Constant"> .c .</span> +<span id="L3560" class="LineNr">3560 </span> <span class="Constant"> .d .</span> +<span id="L3561" class="LineNr">3561 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L3562" class="LineNr">3562 </span> ] <span id="L3563" class="LineNr">3563 </span>] <span id="L3564" class="LineNr">3564 </span> -<span id="L3565" class="LineNr">3565 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L3565" class="LineNr">3565 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L3566" class="LineNr">3566 </span> <span class="Delimiter">{</span> -<span id="L3567" class="LineNr">3567 </span> <span class="Conceal">¦</span> page-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">6/ctrl-f</span> -<span id="L3568" class="LineNr">3568 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> page-down? -<span id="L3569" class="LineNr">3569 </span> <span class="Conceal">¦</span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3570" class="LineNr">3570 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L3571" class="LineNr">3571 </span> <span class="Conceal">¦</span> <a href='003-shortcuts.mu.html#L3597'>page-down</a> editor -<span id="L3572" class="LineNr">3572 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L3573" class="LineNr">3573 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L3574" class="LineNr">3574 </span> <span class="Conceal">¦</span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3575" class="LineNr">3575 </span> <span class="Conceal">¦</span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top -<span id="L3576" class="LineNr">3576 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> movement?/go-render +<span id="L3567" class="LineNr">3567 </span> page-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">6/ctrl-f</span> +<span id="L3568" class="LineNr">3568 </span> <span class="muControl">break-unless</span> page-down? +<span id="L3569" class="LineNr">3569 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3570" class="LineNr">3570 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L3571" class="LineNr">3571 </span> page-down editor +<span id="L3572" class="LineNr">3572 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L3573" class="LineNr">3573 </span><span class="Constant"> <end-move-cursor></span> +<span id="L3574" class="LineNr">3574 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3575" class="LineNr">3575 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top +<span id="L3576" class="LineNr">3576 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3577" class="LineNr">3577 </span> <span class="Delimiter">}</span> <span id="L3578" class="LineNr">3578 </span>] <span id="L3579" class="LineNr">3579 </span> -<span id="L3580" class="LineNr">3580 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L3580" class="LineNr">3580 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L3581" class="LineNr">3581 </span> <span class="Delimiter">{</span> -<span id="L3582" class="LineNr">3582 </span> <span class="Conceal">¦</span> page-down?:bool <span class="Special"><-</span> equal k, <span class="Constant">65518/page-down</span> -<span id="L3583" class="LineNr">3583 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> page-down? -<span id="L3584" class="LineNr">3584 </span> <span class="Conceal">¦</span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3585" class="LineNr">3585 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L3586" class="LineNr">3586 </span> <span class="Conceal">¦</span> <a href='003-shortcuts.mu.html#L3597'>page-down</a> editor -<span id="L3587" class="LineNr">3587 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L3588" class="LineNr">3588 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L3589" class="LineNr">3589 </span> <span class="Conceal">¦</span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3590" class="LineNr">3590 </span> <span class="Conceal">¦</span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top -<span id="L3591" class="LineNr">3591 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> movement?/go-render +<span id="L3582" class="LineNr">3582 </span> page-down?:bool <span class="Special"><-</span> equal k, <span class="Constant">65518/page-down</span> +<span id="L3583" class="LineNr">3583 </span> <span class="muControl">break-unless</span> page-down? +<span id="L3584" class="LineNr">3584 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3585" class="LineNr">3585 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L3586" class="LineNr">3586 </span> page-down editor +<span id="L3587" class="LineNr">3587 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L3588" class="LineNr">3588 </span><span class="Constant"> <end-move-cursor></span> +<span id="L3589" class="LineNr">3589 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3590" class="LineNr">3590 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top +<span id="L3591" class="LineNr">3591 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3592" class="LineNr">3592 </span> <span class="Delimiter">}</span> <span id="L3593" class="LineNr">3593 </span>] <span id="L3594" class="LineNr">3594 </span> <span id="L3595" class="LineNr">3595 </span><span class="Comment"># page-down skips entire wrapped lines, so it can't scroll past lines</span> <span id="L3596" class="LineNr">3596 </span><span class="Comment"># taking up the entire screen</span> -<span id="L3597" class="LineNr">3597 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3597'>page-down</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L3597" class="LineNr">3597 </span><span class="muRecipe">def</span> page-down editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L3598" class="LineNr">3598 </span> <span class="Constant">local-scope</span> <span id="L3599" class="LineNr">3599 </span> <span class="Constant">load-inputs</span> <span id="L3600" class="LineNr">3600 </span> <span class="Comment"># if editor contents don't overflow screen, do nothing</span> -<span id="L3601" class="LineNr">3601 </span> bottom-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">bottom-of-screen:offset</span> +<span id="L3601" class="LineNr">3601 </span> bottom-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">bottom-of-screen:offset</span> <span id="L3602" class="LineNr">3602 </span> <span class="muControl">return-unless</span> bottom-of-screen <span id="L3603" class="LineNr">3603 </span> <span class="Comment"># if not, position cursor at final character</span> -<span id="L3604" class="LineNr">3604 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L3605" class="LineNr">3605 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> bottom-of-screen +<span id="L3604" class="LineNr">3604 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L3605" class="LineNr">3605 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> prev bottom-of-screen <span id="L3606" class="LineNr">3606 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L3607" class="LineNr">3607 </span> <span class="Comment"># keep one line in common with previous page</span> <span id="L3608" class="LineNr">3608 </span> <span class="Delimiter">{</span> -<span id="L3609" class="LineNr">3609 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L572'>last</a>:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> -<span id="L3610" class="LineNr">3610 </span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal <a href='../065duplex_list.mu.html#L572'>last</a>, <span class="Constant">10/newline</span> -<span id="L3611" class="LineNr">3611 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> newline?:bool -<span id="L3612" class="LineNr">3612 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor -<span id="L3613" class="LineNr">3613 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L3609" class="LineNr">3609 </span> last:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> +<span id="L3610" class="LineNr">3610 </span> newline?:bool <span class="Special"><-</span> equal last, <span class="Constant">10/newline</span> +<span id="L3611" class="LineNr">3611 </span> <span class="muControl">break-unless</span> newline?:bool +<span id="L3612" class="LineNr">3612 </span> before-cursor <span class="Special"><-</span> prev before-cursor +<span id="L3613" class="LineNr">3613 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor <span id="L3614" class="LineNr">3614 </span> <span class="Delimiter">}</span> <span id="L3615" class="LineNr">3615 </span> <span class="Comment"># move cursor and top-of-screen to start of that line</span> -<span id="L3616" class="LineNr">3616 </span> <a href='003-shortcuts.mu.html#L3622'>move-to-start-of-line</a> editor +<span id="L3616" class="LineNr">3616 </span> move-to-start-of-line editor <span id="L3617" class="LineNr">3617 </span> before-cursor <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L3618" class="LineNr">3618 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, before-cursor <span id="L3619" class="LineNr">3619 </span>] <span id="L3620" class="LineNr">3620 </span> <span id="L3621" class="LineNr">3621 </span><span class="Comment"># jump to previous newline</span> -<span id="L3622" class="LineNr">3622 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3622'>move-to-start-of-line</a> editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L3622" class="LineNr">3622 </span><span class="muRecipe">def</span> move-to-start-of-line editor:&:editor<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L3623" class="LineNr">3623 </span> <span class="Constant">local-scope</span> <span id="L3624" class="LineNr">3624 </span> <span class="Constant">load-inputs</span> <span id="L3625" class="LineNr">3625 </span> <span class="Comment"># update cursor column</span> @@ -3689,19 +3688,19 @@ if ('onhashchange' in window) { <span id="L3627" class="LineNr">3627 </span> cursor-column:num <span class="Special"><-</span> copy left <span id="L3628" class="LineNr">3628 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column <span id="L3629" class="LineNr">3629 </span> <span class="Comment"># update before-cursor</span> -<span id="L3630" class="LineNr">3630 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L3631" class="LineNr">3631 </span> init:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L3630" class="LineNr">3630 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L3631" class="LineNr">3631 </span> init:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> <span id="L3632" class="LineNr">3632 </span> <span class="Comment"># while not at start of line, move</span> <span id="L3633" class="LineNr">3633 </span> <span class="Delimiter">{</span> -<span id="L3634" class="LineNr">3634 </span> <span class="Conceal">¦</span> at-start-of-text?:bool <span class="Special"><-</span> equal before-cursor, init -<span id="L3635" class="LineNr">3635 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-start-of-text? -<span id="L3636" class="LineNr">3636 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a>:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> -<span id="L3637" class="LineNr">3637 </span> <span class="Conceal">¦</span> at-start-of-line?:bool <span class="Special"><-</span> equal <a href='../065duplex_list.mu.html#L32'>prev</a>, <span class="Constant">10/newline</span> -<span id="L3638" class="LineNr">3638 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-start-of-line? -<span id="L3639" class="LineNr">3639 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> before-cursor -<span id="L3640" class="LineNr">3640 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L3641" class="LineNr">3641 </span> <span class="Conceal">¦</span> assert before-cursor, <span class="Constant">[move-to-start-of-line tried to move before start of text]</span> -<span id="L3642" class="LineNr">3642 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L3634" class="LineNr">3634 </span> at-start-of-text?:bool <span class="Special"><-</span> equal before-cursor, init +<span id="L3635" class="LineNr">3635 </span> <span class="muControl">break-if</span> at-start-of-text? +<span id="L3636" class="LineNr">3636 </span> prev:char <span class="Special"><-</span> get *before-cursor, <span class="Constant">value:offset</span> +<span id="L3637" class="LineNr">3637 </span> at-start-of-line?:bool <span class="Special"><-</span> equal prev, <span class="Constant">10/newline</span> +<span id="L3638" class="LineNr">3638 </span> <span class="muControl">break-if</span> at-start-of-line? +<span id="L3639" class="LineNr">3639 </span> before-cursor <span class="Special"><-</span> prev before-cursor +<span id="L3640" class="LineNr">3640 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L3641" class="LineNr">3641 </span> assert before-cursor, <span class="Constant">[move-to-start-of-line tried to move before start of text]</span> +<span id="L3642" class="LineNr">3642 </span> <span class="muControl"> loop</span> <span id="L3643" class="LineNr">3643 </span> <span class="Delimiter">}</span> <span id="L3644" class="LineNr">3644 </span>] <span id="L3645" class="LineNr">3645 </span> @@ -3710,27 +3709,27 @@ if ('onhashchange' in window) { <span id="L3648" class="LineNr">3648 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">4/height</span> <span id="L3649" class="LineNr">3649 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3650" class="LineNr">3650 </span><span class="Constant">b]</span> -<span id="L3651" class="LineNr">3651 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3652" class="LineNr">3652 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3651" class="LineNr">3651 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L3652" class="LineNr">3652 </span> editor-render screen, e <span id="L3653" class="LineNr">3653 </span> screen-should-contain [ -<span id="L3654" class="LineNr">3654 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3655" class="LineNr">3655 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3656" class="LineNr">3656 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3657" class="LineNr">3657 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L3654" class="LineNr">3654 </span> <span class="Constant"> . .</span> +<span id="L3655" class="LineNr">3655 </span> <span class="Constant"> .a .</span> +<span id="L3656" class="LineNr">3656 </span> <span class="Constant"> .b .</span> +<span id="L3657" class="LineNr">3657 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L3658" class="LineNr">3658 </span> ] <span id="L3659" class="LineNr">3659 </span> <span class="Comment"># scroll down</span> <span id="L3660" class="LineNr">3660 </span> assume-console [ -<span id="L3661" class="LineNr">3661 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3661" class="LineNr">3661 </span> press page-down <span id="L3662" class="LineNr">3662 </span> ] <span id="L3663" class="LineNr">3663 </span> run [ -<span id="L3664" class="LineNr">3664 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3664" class="LineNr">3664 </span> editor-event-loop screen, console, e <span id="L3665" class="LineNr">3665 </span> ] <span id="L3666" class="LineNr">3666 </span> <span class="Comment"># screen remains unmodified</span> <span id="L3667" class="LineNr">3667 </span> screen-should-contain [ -<span id="L3668" class="LineNr">3668 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3669" class="LineNr">3669 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3670" class="LineNr">3670 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3671" class="LineNr">3671 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L3668" class="LineNr">3668 </span> <span class="Constant"> . .</span> +<span id="L3669" class="LineNr">3669 </span> <span class="Constant"> .a .</span> +<span id="L3670" class="LineNr">3670 </span> <span class="Constant"> .b .</span> +<span id="L3671" class="LineNr">3671 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L3672" class="LineNr">3672 </span> ] <span id="L3673" class="LineNr">3673 </span>] <span id="L3674" class="LineNr">3674 </span> @@ -3743,28 +3742,28 @@ if ('onhashchange' in window) { <span id="L3681" class="LineNr">3681 </span><span class="Constant">b</span> <span id="L3682" class="LineNr">3682 </span><span class="Constant">cdefgh]</span> <span id="L3683" class="LineNr">3683 </span> <span class="Comment"># editor screen triggers wrap of last line</span> -<span id="L3684" class="LineNr">3684 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3685" class="LineNr">3685 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3684" class="LineNr">3684 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> +<span id="L3685" class="LineNr">3685 </span> editor-render screen, e <span id="L3686" class="LineNr">3686 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3687" class="LineNr">3687 </span> screen-should-contain [ -<span id="L3688" class="LineNr">3688 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3689" class="LineNr">3689 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3690" class="LineNr">3690 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3691" class="LineNr">3691 </span> <span class="Conceal">¦</span><span class="Constant"> .cde↩ .</span> +<span id="L3688" class="LineNr">3688 </span> <span class="Constant"> . .</span> +<span id="L3689" class="LineNr">3689 </span> <span class="Constant"> .a .</span> +<span id="L3690" class="LineNr">3690 </span> <span class="Constant"> .b .</span> +<span id="L3691" class="LineNr">3691 </span> <span class="Constant"> .cde↩ .</span> <span id="L3692" class="LineNr">3692 </span> ] <span id="L3693" class="LineNr">3693 </span> <span class="Comment"># scroll down</span> <span id="L3694" class="LineNr">3694 </span> assume-console [ -<span id="L3695" class="LineNr">3695 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3695" class="LineNr">3695 </span> press page-down <span id="L3696" class="LineNr">3696 </span> ] <span id="L3697" class="LineNr">3697 </span> run [ -<span id="L3698" class="LineNr">3698 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3698" class="LineNr">3698 </span> editor-event-loop screen, console, e <span id="L3699" class="LineNr">3699 </span> ] <span id="L3700" class="LineNr">3700 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3701" class="LineNr">3701 </span> screen-should-contain [ -<span id="L3702" class="LineNr">3702 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3703" class="LineNr">3703 </span> <span class="Conceal">¦</span><span class="Constant"> .cde↩ .</span> -<span id="L3704" class="LineNr">3704 </span> <span class="Conceal">¦</span><span class="Constant"> .fgh .</span> -<span id="L3705" class="LineNr">3705 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌ .</span> +<span id="L3702" class="LineNr">3702 </span> <span class="Constant"> . .</span> +<span id="L3703" class="LineNr">3703 </span> <span class="Constant"> .cde↩ .</span> +<span id="L3704" class="LineNr">3704 </span> <span class="Constant"> .fgh .</span> +<span id="L3705" class="LineNr">3705 </span> <span class="Constant"> .╌╌╌╌ .</span> <span id="L3706" class="LineNr">3706 </span> ] <span id="L3707" class="LineNr">3707 </span>] <span id="L3708" class="LineNr">3708 </span> @@ -3776,28 +3775,28 @@ if ('onhashchange' in window) { <span id="L3714" class="LineNr">3714 </span> <span class="Comment"># and still has something left over</span> <span id="L3715" class="LineNr">3715 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3716" class="LineNr">3716 </span><span class="Constant">bcdefgh]</span> -<span id="L3717" class="LineNr">3717 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3718" class="LineNr">3718 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3717" class="LineNr">3717 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> +<span id="L3718" class="LineNr">3718 </span> editor-render screen, e <span id="L3719" class="LineNr">3719 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3720" class="LineNr">3720 </span> screen-should-contain [ -<span id="L3721" class="LineNr">3721 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3722" class="LineNr">3722 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3723" class="LineNr">3723 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd↩ .</span> -<span id="L3724" class="LineNr">3724 </span> <span class="Conceal">¦</span><span class="Constant"> .efg↩ .</span> +<span id="L3721" class="LineNr">3721 </span> <span class="Constant"> . .</span> +<span id="L3722" class="LineNr">3722 </span> <span class="Constant"> .a .</span> +<span id="L3723" class="LineNr">3723 </span> <span class="Constant"> .bcd↩ .</span> +<span id="L3724" class="LineNr">3724 </span> <span class="Constant"> .efg↩ .</span> <span id="L3725" class="LineNr">3725 </span> ] <span id="L3726" class="LineNr">3726 </span> <span class="Comment"># scroll down</span> <span id="L3727" class="LineNr">3727 </span> assume-console [ -<span id="L3728" class="LineNr">3728 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3728" class="LineNr">3728 </span> press page-down <span id="L3729" class="LineNr">3729 </span> ] <span id="L3730" class="LineNr">3730 </span> run [ -<span id="L3731" class="LineNr">3731 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3731" class="LineNr">3731 </span> editor-event-loop screen, console, e <span id="L3732" class="LineNr">3732 </span> ] <span id="L3733" class="LineNr">3733 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3734" class="LineNr">3734 </span> screen-should-contain [ -<span id="L3735" class="LineNr">3735 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3736" class="LineNr">3736 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd↩ .</span> -<span id="L3737" class="LineNr">3737 </span> <span class="Conceal">¦</span><span class="Constant"> .efg↩ .</span> -<span id="L3738" class="LineNr">3738 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> +<span id="L3735" class="LineNr">3735 </span> <span class="Constant"> . .</span> +<span id="L3736" class="LineNr">3736 </span> <span class="Constant"> .bcd↩ .</span> +<span id="L3737" class="LineNr">3737 </span> <span class="Constant"> .efg↩ .</span> +<span id="L3738" class="LineNr">3738 </span> <span class="Constant"> .h .</span> <span id="L3739" class="LineNr">3739 </span> ] <span id="L3740" class="LineNr">3740 </span>] <span id="L3741" class="LineNr">3741 </span> @@ -3810,90 +3809,90 @@ if ('onhashchange' in window) { <span id="L3748" class="LineNr">3748 </span><span class="Constant">b</span> <span id="L3749" class="LineNr">3749 </span><span class="Constant">c</span> <span id="L3750" class="LineNr">3750 </span><span class="Constant">d]</span> -<span id="L3751" class="LineNr">3751 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3752" class="LineNr">3752 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3751" class="LineNr">3751 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L3752" class="LineNr">3752 </span> editor-render screen, e <span id="L3753" class="LineNr">3753 </span> screen-should-contain [ -<span id="L3754" class="LineNr">3754 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3755" class="LineNr">3755 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3756" class="LineNr">3756 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3757" class="LineNr">3757 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3754" class="LineNr">3754 </span> <span class="Constant"> . .</span> +<span id="L3755" class="LineNr">3755 </span> <span class="Constant"> .a .</span> +<span id="L3756" class="LineNr">3756 </span> <span class="Constant"> .b .</span> +<span id="L3757" class="LineNr">3757 </span> <span class="Constant"> .c .</span> <span id="L3758" class="LineNr">3758 </span> ] <span id="L3759" class="LineNr">3759 </span> <span class="Comment"># scroll down</span> <span id="L3760" class="LineNr">3760 </span> assume-console [ -<span id="L3761" class="LineNr">3761 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3761" class="LineNr">3761 </span> press page-down <span id="L3762" class="LineNr">3762 </span> ] <span id="L3763" class="LineNr">3763 </span> run [ -<span id="L3764" class="LineNr">3764 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3764" class="LineNr">3764 </span> editor-event-loop screen, console, e <span id="L3765" class="LineNr">3765 </span> ] <span id="L3766" class="LineNr">3766 </span> <span class="Comment"># screen shows next page</span> <span id="L3767" class="LineNr">3767 </span> screen-should-contain [ -<span id="L3768" class="LineNr">3768 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3769" class="LineNr">3769 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3770" class="LineNr">3770 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L3771" class="LineNr">3771 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L3768" class="LineNr">3768 </span> <span class="Constant"> . .</span> +<span id="L3769" class="LineNr">3769 </span> <span class="Constant"> .c .</span> +<span id="L3770" class="LineNr">3770 </span> <span class="Constant"> .d .</span> +<span id="L3771" class="LineNr">3771 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L3772" class="LineNr">3772 </span> ] <span id="L3773" class="LineNr">3773 </span> <span class="Comment"># scroll back up</span> <span id="L3774" class="LineNr">3774 </span> assume-console [ -<span id="L3775" class="LineNr">3775 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L3775" class="LineNr">3775 </span> press page-up <span id="L3776" class="LineNr">3776 </span> ] <span id="L3777" class="LineNr">3777 </span> run [ -<span id="L3778" class="LineNr">3778 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3778" class="LineNr">3778 </span> editor-event-loop screen, console, e <span id="L3779" class="LineNr">3779 </span> ] <span id="L3780" class="LineNr">3780 </span> <span class="Comment"># screen shows original page again</span> <span id="L3781" class="LineNr">3781 </span> screen-should-contain [ -<span id="L3782" class="LineNr">3782 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3783" class="LineNr">3783 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3784" class="LineNr">3784 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3785" class="LineNr">3785 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3782" class="LineNr">3782 </span> <span class="Constant"> . .</span> +<span id="L3783" class="LineNr">3783 </span> <span class="Constant"> .a .</span> +<span id="L3784" class="LineNr">3784 </span> <span class="Constant"> .b .</span> +<span id="L3785" class="LineNr">3785 </span> <span class="Constant"> .c .</span> <span id="L3786" class="LineNr">3786 </span> ] <span id="L3787" class="LineNr">3787 </span>] <span id="L3788" class="LineNr">3788 </span> -<span id="L3789" class="LineNr">3789 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L3789" class="LineNr">3789 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L3790" class="LineNr">3790 </span> <span class="Delimiter">{</span> -<span id="L3791" class="LineNr">3791 </span> <span class="Conceal">¦</span> page-up?:bool <span class="Special"><-</span> equal c, <span class="Constant">2/ctrl-b</span> -<span id="L3792" class="LineNr">3792 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> page-up? -<span id="L3793" class="LineNr">3793 </span> <span class="Conceal">¦</span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3794" class="LineNr">3794 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L3795" class="LineNr">3795 </span> <span class="Conceal">¦</span> editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3820'>page-up</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L3796" class="LineNr">3796 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L3797" class="LineNr">3797 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L3798" class="LineNr">3798 </span> <span class="Conceal">¦</span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3799" class="LineNr">3799 </span> <span class="Conceal">¦</span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top -<span id="L3800" class="LineNr">3800 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> movement?/go-render +<span id="L3791" class="LineNr">3791 </span> page-up?:bool <span class="Special"><-</span> equal c, <span class="Constant">2/ctrl-b</span> +<span id="L3792" class="LineNr">3792 </span> <span class="muControl">break-unless</span> page-up? +<span id="L3793" class="LineNr">3793 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3794" class="LineNr">3794 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L3795" class="LineNr">3795 </span> editor <span class="Special"><-</span> page-up editor, screen-height +<span id="L3796" class="LineNr">3796 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L3797" class="LineNr">3797 </span><span class="Constant"> <end-move-cursor></span> +<span id="L3798" class="LineNr">3798 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3799" class="LineNr">3799 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top +<span id="L3800" class="LineNr">3800 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3801" class="LineNr">3801 </span> <span class="Delimiter">}</span> <span id="L3802" class="LineNr">3802 </span>] <span id="L3803" class="LineNr">3803 </span> -<span id="L3804" class="LineNr">3804 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L199'><handle-special-key></a></span> [ +<span id="L3804" class="LineNr">3804 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-key></span> [ <span id="L3805" class="LineNr">3805 </span> <span class="Delimiter">{</span> -<span id="L3806" class="LineNr">3806 </span> <span class="Conceal">¦</span> page-up?:bool <span class="Special"><-</span> equal k, <span class="Constant">65519/page-up</span> -<span id="L3807" class="LineNr">3807 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> page-up? -<span id="L3808" class="LineNr">3808 </span> <span class="Conceal">¦</span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3809" class="LineNr">3809 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L3810" class="LineNr">3810 </span> <span class="Conceal">¦</span> editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3820'>page-up</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L3811" class="LineNr">3811 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L3812" class="LineNr">3812 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L3813" class="LineNr">3813 </span> <span class="Conceal">¦</span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L3814" class="LineNr">3814 </span> <span class="Conceal">¦</span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top -<span id="L3815" class="LineNr">3815 </span> <span class="Conceal">¦</span> <span class="Comment"># don't bother re-rendering if nothing changed. todo: test this</span> -<span id="L3816" class="LineNr">3816 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> movement?/go-render +<span id="L3806" class="LineNr">3806 </span> page-up?:bool <span class="Special"><-</span> equal k, <span class="Constant">65519/page-up</span> +<span id="L3807" class="LineNr">3807 </span> <span class="muControl">break-unless</span> page-up? +<span id="L3808" class="LineNr">3808 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3809" class="LineNr">3809 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L3810" class="LineNr">3810 </span> editor <span class="Special"><-</span> page-up editor, screen-height +<span id="L3811" class="LineNr">3811 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L3812" class="LineNr">3812 </span><span class="Constant"> <end-move-cursor></span> +<span id="L3813" class="LineNr">3813 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3814" class="LineNr">3814 </span> movement?:bool <span class="Special"><-</span> not-equal top-of-screen, old-top +<span id="L3815" class="LineNr">3815 </span> <span class="Comment"># don't bother re-rendering if nothing changed. todo: test this</span> +<span id="L3816" class="LineNr">3816 </span> <span class="muControl"> return</span> movement?/go-render <span id="L3817" class="LineNr">3817 </span> <span class="Delimiter">}</span> <span id="L3818" class="LineNr">3818 </span>] <span id="L3819" class="LineNr">3819 </span> -<span id="L3820" class="LineNr">3820 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L3820'>page-up</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L3820" class="LineNr">3820 </span><span class="muRecipe">def</span> page-up editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L3821" class="LineNr">3821 </span> <span class="Constant">local-scope</span> <span id="L3822" class="LineNr">3822 </span> <span class="Constant">load-inputs</span> -<span id="L3823" class="LineNr">3823 </span> max:num <span class="Special"><-</span> subtract <a href='../081print.mu.html#L782'>screen-height</a>, <span class="Constant">1/menu-bar</span>, <span class="Constant">1/overlapping-line</span> +<span id="L3823" class="LineNr">3823 </span> max:num <span class="Special"><-</span> subtract screen-height, <span class="Constant">1/menu-bar</span>, <span class="Constant">1/overlapping-line</span> <span id="L3824" class="LineNr">3824 </span> count:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L3825" class="LineNr">3825 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L3825" class="LineNr">3825 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L3826" class="LineNr">3826 </span> <span class="Delimiter">{</span> -<span id="L3827" class="LineNr">3827 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal count, max -<span id="L3828" class="LineNr">3828 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L3829" class="LineNr">3829 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> top-of-screen, editor -<span id="L3830" class="LineNr">3830 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L3831" class="LineNr">3831 </span> <span class="Conceal">¦</span> top-of-screen <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L3832" class="LineNr">3832 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen -<span id="L3833" class="LineNr">3833 </span> <span class="Conceal">¦</span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> -<span id="L3834" class="LineNr">3834 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L3827" class="LineNr">3827 </span> done?:bool <span class="Special"><-</span> greater-or-equal count, max +<span id="L3828" class="LineNr">3828 </span> <span class="muControl">break-if</span> done? +<span id="L3829" class="LineNr">3829 </span> prev:&:duplex-list:char <span class="Special"><-</span> before-previous-screen-line top-of-screen, editor +<span id="L3830" class="LineNr">3830 </span> <span class="muControl">break-unless</span> prev +<span id="L3831" class="LineNr">3831 </span> top-of-screen <span class="Special"><-</span> copy prev +<span id="L3832" class="LineNr">3832 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top-of-screen +<span id="L3833" class="LineNr">3833 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> +<span id="L3834" class="LineNr">3834 </span> <span class="muControl"> loop</span> <span id="L3835" class="LineNr">3835 </span> <span class="Delimiter">}</span> <span id="L3836" class="LineNr">3836 </span>] <span id="L3837" class="LineNr">3837 </span> @@ -3910,56 +3909,56 @@ if ('onhashchange' in window) { <span id="L3848" class="LineNr">3848 </span><span class="Constant">f</span> <span id="L3849" class="LineNr">3849 </span><span class="Constant">g</span> <span id="L3850" class="LineNr">3850 </span><span class="Constant">h]</span> -<span id="L3851" class="LineNr">3851 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L3852" class="LineNr">3852 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3851" class="LineNr">3851 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L3852" class="LineNr">3852 </span> editor-render screen, e <span id="L3853" class="LineNr">3853 </span> screen-should-contain [ -<span id="L3854" class="LineNr">3854 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3855" class="LineNr">3855 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3856" class="LineNr">3856 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3857" class="LineNr">3857 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3854" class="LineNr">3854 </span> <span class="Constant"> . .</span> +<span id="L3855" class="LineNr">3855 </span> <span class="Constant"> .a .</span> +<span id="L3856" class="LineNr">3856 </span> <span class="Constant"> .b .</span> +<span id="L3857" class="LineNr">3857 </span> <span class="Constant"> .c .</span> <span id="L3858" class="LineNr">3858 </span> ] <span id="L3859" class="LineNr">3859 </span> <span class="Comment"># scroll down two pages</span> <span id="L3860" class="LineNr">3860 </span> assume-console [ -<span id="L3861" class="LineNr">3861 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L3862" class="LineNr">3862 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3861" class="LineNr">3861 </span> press page-down +<span id="L3862" class="LineNr">3862 </span> press page-down <span id="L3863" class="LineNr">3863 </span> ] <span id="L3864" class="LineNr">3864 </span> run [ -<span id="L3865" class="LineNr">3865 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3865" class="LineNr">3865 </span> editor-event-loop screen, console, e <span id="L3866" class="LineNr">3866 </span> ] <span id="L3867" class="LineNr">3867 </span> <span class="Comment"># screen shows third page</span> <span id="L3868" class="LineNr">3868 </span> screen-should-contain [ -<span id="L3869" class="LineNr">3869 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3870" class="LineNr">3870 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L3871" class="LineNr">3871 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L3872" class="LineNr">3872 </span> <span class="Conceal">¦</span><span class="Constant"> .g .</span> +<span id="L3869" class="LineNr">3869 </span> <span class="Constant"> . .</span> +<span id="L3870" class="LineNr">3870 </span> <span class="Constant"> .e .</span> +<span id="L3871" class="LineNr">3871 </span> <span class="Constant"> .f .</span> +<span id="L3872" class="LineNr">3872 </span> <span class="Constant"> .g .</span> <span id="L3873" class="LineNr">3873 </span> ] <span id="L3874" class="LineNr">3874 </span> <span class="Comment"># scroll up</span> <span id="L3875" class="LineNr">3875 </span> assume-console [ -<span id="L3876" class="LineNr">3876 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L3876" class="LineNr">3876 </span> press page-up <span id="L3877" class="LineNr">3877 </span> ] <span id="L3878" class="LineNr">3878 </span> run [ -<span id="L3879" class="LineNr">3879 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3879" class="LineNr">3879 </span> editor-event-loop screen, console, e <span id="L3880" class="LineNr">3880 </span> ] <span id="L3881" class="LineNr">3881 </span> <span class="Comment"># screen shows second page</span> <span id="L3882" class="LineNr">3882 </span> screen-should-contain [ -<span id="L3883" class="LineNr">3883 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3884" class="LineNr">3884 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L3885" class="LineNr">3885 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L3886" class="LineNr">3886 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> +<span id="L3883" class="LineNr">3883 </span> <span class="Constant"> . .</span> +<span id="L3884" class="LineNr">3884 </span> <span class="Constant"> .c .</span> +<span id="L3885" class="LineNr">3885 </span> <span class="Constant"> .d .</span> +<span id="L3886" class="LineNr">3886 </span> <span class="Constant"> .e .</span> <span id="L3887" class="LineNr">3887 </span> ] <span id="L3888" class="LineNr">3888 </span> <span class="Comment"># scroll up again</span> <span id="L3889" class="LineNr">3889 </span> assume-console [ -<span id="L3890" class="LineNr">3890 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L3890" class="LineNr">3890 </span> press page-up <span id="L3891" class="LineNr">3891 </span> ] <span id="L3892" class="LineNr">3892 </span> run [ -<span id="L3893" class="LineNr">3893 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3893" class="LineNr">3893 </span> editor-event-loop screen, console, e <span id="L3894" class="LineNr">3894 </span> ] <span id="L3895" class="LineNr">3895 </span> <span class="Comment"># screen shows original page again</span> <span id="L3896" class="LineNr">3896 </span> screen-should-contain [ -<span id="L3897" class="LineNr">3897 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3898" class="LineNr">3898 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3899" class="LineNr">3899 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3900" class="LineNr">3900 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> +<span id="L3897" class="LineNr">3897 </span> <span class="Constant"> . .</span> +<span id="L3898" class="LineNr">3898 </span> <span class="Constant"> .a .</span> +<span id="L3899" class="LineNr">3899 </span> <span class="Constant"> .b .</span> +<span id="L3900" class="LineNr">3900 </span> <span class="Constant"> .c .</span> <span id="L3901" class="LineNr">3901 </span> ] <span id="L3902" class="LineNr">3902 </span>] <span id="L3903" class="LineNr">3903 </span> @@ -3979,50 +3978,50 @@ if ('onhashchange' in window) { <span id="L3917" class="LineNr">3917 </span><span class="Constant">n</span> <span id="L3918" class="LineNr">3918 </span><span class="Constant">o]</span> <span id="L3919" class="LineNr">3919 </span> <span class="Comment"># editor screen triggers wrap of last line</span> -<span id="L3920" class="LineNr">3920 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3921" class="LineNr">3921 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3920" class="LineNr">3920 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> +<span id="L3921" class="LineNr">3921 </span> editor-render screen, e <span id="L3922" class="LineNr">3922 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3923" class="LineNr">3923 </span> screen-should-contain [ -<span id="L3924" class="LineNr">3924 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3925" class="LineNr">3925 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3926" class="LineNr">3926 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3927" class="LineNr">3927 </span> <span class="Conceal">¦</span><span class="Constant"> .cde↩ .</span> -<span id="L3928" class="LineNr">3928 </span> <span class="Conceal">¦</span><span class="Constant"> .fgh .</span> -<span id="L3929" class="LineNr">3929 </span> <span class="Conceal">¦</span><span class="Constant"> .i .</span> +<span id="L3924" class="LineNr">3924 </span> <span class="Constant"> . .</span> +<span id="L3925" class="LineNr">3925 </span> <span class="Constant"> .a .</span> +<span id="L3926" class="LineNr">3926 </span> <span class="Constant"> .b .</span> +<span id="L3927" class="LineNr">3927 </span> <span class="Constant"> .cde↩ .</span> +<span id="L3928" class="LineNr">3928 </span> <span class="Constant"> .fgh .</span> +<span id="L3929" class="LineNr">3929 </span> <span class="Constant"> .i .</span> <span id="L3930" class="LineNr">3930 </span> ] <span id="L3931" class="LineNr">3931 </span> <span class="Comment"># scroll down a page and a line</span> <span id="L3932" class="LineNr">3932 </span> assume-console [ -<span id="L3933" class="LineNr">3933 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L3934" class="LineNr">3934 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 0</span> -<span id="L3935" class="LineNr">3935 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L3933" class="LineNr">3933 </span> press page-down +<span id="L3934" class="LineNr">3934 </span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 0</span> +<span id="L3935" class="LineNr">3935 </span> press down-arrow <span id="L3936" class="LineNr">3936 </span> ] <span id="L3937" class="LineNr">3937 </span> run [ -<span id="L3938" class="LineNr">3938 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3938" class="LineNr">3938 </span> editor-event-loop screen, console, e <span id="L3939" class="LineNr">3939 </span> ] <span id="L3940" class="LineNr">3940 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3941" class="LineNr">3941 </span> screen-should-contain [ -<span id="L3942" class="LineNr">3942 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3943" class="LineNr">3943 </span> <span class="Conceal">¦</span><span class="Constant"> .j .</span> -<span id="L3944" class="LineNr">3944 </span> <span class="Conceal">¦</span><span class="Constant"> .k .</span> -<span id="L3945" class="LineNr">3945 </span> <span class="Conceal">¦</span><span class="Constant"> .l .</span> -<span id="L3946" class="LineNr">3946 </span> <span class="Conceal">¦</span><span class="Constant"> .m .</span> -<span id="L3947" class="LineNr">3947 </span> <span class="Conceal">¦</span><span class="Constant"> .n .</span> +<span id="L3942" class="LineNr">3942 </span> <span class="Constant"> . .</span> +<span id="L3943" class="LineNr">3943 </span> <span class="Constant"> .j .</span> +<span id="L3944" class="LineNr">3944 </span> <span class="Constant"> .k .</span> +<span id="L3945" class="LineNr">3945 </span> <span class="Constant"> .l .</span> +<span id="L3946" class="LineNr">3946 </span> <span class="Constant"> .m .</span> +<span id="L3947" class="LineNr">3947 </span> <span class="Constant"> .n .</span> <span id="L3948" class="LineNr">3948 </span> ] <span id="L3949" class="LineNr">3949 </span> <span class="Comment"># now scroll up one page</span> <span id="L3950" class="LineNr">3950 </span> assume-console [ -<span id="L3951" class="LineNr">3951 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L3951" class="LineNr">3951 </span> press page-up <span id="L3952" class="LineNr">3952 </span> ] <span id="L3953" class="LineNr">3953 </span> run [ -<span id="L3954" class="LineNr">3954 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3954" class="LineNr">3954 </span> editor-event-loop screen, console, e <span id="L3955" class="LineNr">3955 </span> ] <span id="L3956" class="LineNr">3956 </span> <span class="Comment"># screen resets</span> <span id="L3957" class="LineNr">3957 </span> screen-should-contain [ -<span id="L3958" class="LineNr">3958 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3959" class="LineNr">3959 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L3960" class="LineNr">3960 </span> <span class="Conceal">¦</span><span class="Constant"> .cde↩ .</span> -<span id="L3961" class="LineNr">3961 </span> <span class="Conceal">¦</span><span class="Constant"> .fgh .</span> -<span id="L3962" class="LineNr">3962 </span> <span class="Conceal">¦</span><span class="Constant"> .i .</span> -<span id="L3963" class="LineNr">3963 </span> <span class="Conceal">¦</span><span class="Constant"> .j .</span> +<span id="L3958" class="LineNr">3958 </span> <span class="Constant"> . .</span> +<span id="L3959" class="LineNr">3959 </span> <span class="Constant"> .b .</span> +<span id="L3960" class="LineNr">3960 </span> <span class="Constant"> .cde↩ .</span> +<span id="L3961" class="LineNr">3961 </span> <span class="Constant"> .fgh .</span> +<span id="L3962" class="LineNr">3962 </span> <span class="Constant"> .i .</span> +<span id="L3963" class="LineNr">3963 </span> <span class="Constant"> .j .</span> <span id="L3964" class="LineNr">3964 </span> ] <span id="L3965" class="LineNr">3965 </span>] <span id="L3966" class="LineNr">3966 </span> @@ -4034,42 +4033,42 @@ if ('onhashchange' in window) { <span id="L3972" class="LineNr">3972 </span> <span class="Comment"># and still has something left over</span> <span id="L3973" class="LineNr">3973 </span> s:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L3974" class="LineNr">3974 </span><span class="Constant">bcdefgh]</span> -<span id="L3975" class="LineNr">3975 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L3976" class="LineNr">3976 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L3975" class="LineNr">3975 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> +<span id="L3976" class="LineNr">3976 </span> editor-render screen, e <span id="L3977" class="LineNr">3977 </span> <span class="Comment"># some part of last line is not displayed</span> <span id="L3978" class="LineNr">3978 </span> screen-should-contain [ -<span id="L3979" class="LineNr">3979 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3980" class="LineNr">3980 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L3981" class="LineNr">3981 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd↩ .</span> -<span id="L3982" class="LineNr">3982 </span> <span class="Conceal">¦</span><span class="Constant"> .efg↩ .</span> +<span id="L3979" class="LineNr">3979 </span> <span class="Constant"> . .</span> +<span id="L3980" class="LineNr">3980 </span> <span class="Constant"> .a .</span> +<span id="L3981" class="LineNr">3981 </span> <span class="Constant"> .bcd↩ .</span> +<span id="L3982" class="LineNr">3982 </span> <span class="Constant"> .efg↩ .</span> <span id="L3983" class="LineNr">3983 </span> ] <span id="L3984" class="LineNr">3984 </span> <span class="Comment"># scroll down</span> <span id="L3985" class="LineNr">3985 </span> assume-console [ -<span id="L3986" class="LineNr">3986 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L3986" class="LineNr">3986 </span> press page-down <span id="L3987" class="LineNr">3987 </span> ] <span id="L3988" class="LineNr">3988 </span> run [ -<span id="L3989" class="LineNr">3989 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L3989" class="LineNr">3989 </span> editor-event-loop screen, console, e <span id="L3990" class="LineNr">3990 </span> ] <span id="L3991" class="LineNr">3991 </span> <span class="Comment"># screen shows entire wrapped line</span> <span id="L3992" class="LineNr">3992 </span> screen-should-contain [ -<span id="L3993" class="LineNr">3993 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L3994" class="LineNr">3994 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd↩ .</span> -<span id="L3995" class="LineNr">3995 </span> <span class="Conceal">¦</span><span class="Constant"> .efg↩ .</span> -<span id="L3996" class="LineNr">3996 </span> <span class="Conceal">¦</span><span class="Constant"> .h .</span> +<span id="L3993" class="LineNr">3993 </span> <span class="Constant"> . .</span> +<span id="L3994" class="LineNr">3994 </span> <span class="Constant"> .bcd↩ .</span> +<span id="L3995" class="LineNr">3995 </span> <span class="Constant"> .efg↩ .</span> +<span id="L3996" class="LineNr">3996 </span> <span class="Constant"> .h .</span> <span id="L3997" class="LineNr">3997 </span> ] <span id="L3998" class="LineNr">3998 </span> <span class="Comment"># scroll back up</span> <span id="L3999" class="LineNr">3999 </span> assume-console [ -<span id="L4000" class="LineNr">4000 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L4000" class="LineNr">4000 </span> press page-up <span id="L4001" class="LineNr">4001 </span> ] <span id="L4002" class="LineNr">4002 </span> run [ -<span id="L4003" class="LineNr">4003 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4003" class="LineNr">4003 </span> editor-event-loop screen, console, e <span id="L4004" class="LineNr">4004 </span> ] <span id="L4005" class="LineNr">4005 </span> <span class="Comment"># screen resets</span> <span id="L4006" class="LineNr">4006 </span> screen-should-contain [ -<span id="L4007" class="LineNr">4007 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4008" class="LineNr">4008 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L4009" class="LineNr">4009 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd↩ .</span> -<span id="L4010" class="LineNr">4010 </span> <span class="Conceal">¦</span><span class="Constant"> .efg↩ .</span> +<span id="L4007" class="LineNr">4007 </span> <span class="Constant"> . .</span> +<span id="L4008" class="LineNr">4008 </span> <span class="Constant"> .a .</span> +<span id="L4009" class="LineNr">4009 </span> <span class="Constant"> .bcd↩ .</span> +<span id="L4010" class="LineNr">4010 </span> <span class="Constant"> .efg↩ .</span> <span id="L4011" class="LineNr">4011 </span> ] <span id="L4012" class="LineNr">4012 </span>] <span id="L4013" class="LineNr">4013 </span> @@ -4086,50 +4085,50 @@ if ('onhashchange' in window) { <span id="L4024" class="LineNr">4024 </span><span class="Constant">gxx</span> <span id="L4025" class="LineNr">4025 </span><span class="Constant">hxx</span> <span id="L4026" class="LineNr">4026 </span><span class="Constant">]</span> -<span id="L4027" class="LineNr">4027 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L4028" class="LineNr">4028 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L4027" class="LineNr">4027 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> +<span id="L4028" class="LineNr">4028 </span> editor-render screen, e <span id="L4029" class="LineNr">4029 </span> screen-should-contain [ -<span id="L4030" class="LineNr">4030 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4031" class="LineNr">4031 </span> <span class="Conceal">¦</span><span class="Constant"> .axx .</span> -<span id="L4032" class="LineNr">4032 </span> <span class="Conceal">¦</span><span class="Constant"> .bxx .</span> -<span id="L4033" class="LineNr">4033 </span> <span class="Conceal">¦</span><span class="Constant"> .cxx .</span> +<span id="L4030" class="LineNr">4030 </span> <span class="Constant"> . .</span> +<span id="L4031" class="LineNr">4031 </span> <span class="Constant"> .axx .</span> +<span id="L4032" class="LineNr">4032 </span> <span class="Constant"> .bxx .</span> +<span id="L4033" class="LineNr">4033 </span> <span class="Constant"> .cxx .</span> <span id="L4034" class="LineNr">4034 </span> ] <span id="L4035" class="LineNr">4035 </span> assume-console [ -<span id="L4036" class="LineNr">4036 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L4036" class="LineNr">4036 </span> press page-down <span id="L4037" class="LineNr">4037 </span> ] <span id="L4038" class="LineNr">4038 </span> run [ -<span id="L4039" class="LineNr">4039 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4039" class="LineNr">4039 </span> editor-event-loop screen, console, e <span id="L4040" class="LineNr">4040 </span> ] <span id="L4041" class="LineNr">4041 </span> screen-should-contain [ -<span id="L4042" class="LineNr">4042 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4043" class="LineNr">4043 </span> <span class="Conceal">¦</span><span class="Constant"> .cxx .</span> -<span id="L4044" class="LineNr">4044 </span> <span class="Conceal">¦</span><span class="Constant"> .dxx .</span> -<span id="L4045" class="LineNr">4045 </span> <span class="Conceal">¦</span><span class="Constant"> .exx .</span> +<span id="L4042" class="LineNr">4042 </span> <span class="Constant"> . .</span> +<span id="L4043" class="LineNr">4043 </span> <span class="Constant"> .cxx .</span> +<span id="L4044" class="LineNr">4044 </span> <span class="Constant"> .dxx .</span> +<span id="L4045" class="LineNr">4045 </span> <span class="Constant"> .exx .</span> <span id="L4046" class="LineNr">4046 </span> ] <span id="L4047" class="LineNr">4047 </span> assume-console [ -<span id="L4048" class="LineNr">4048 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L4048" class="LineNr">4048 </span> press page-down <span id="L4049" class="LineNr">4049 </span> ] <span id="L4050" class="LineNr">4050 </span> run [ -<span id="L4051" class="LineNr">4051 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4051" class="LineNr">4051 </span> editor-event-loop screen, console, e <span id="L4052" class="LineNr">4052 </span> ] <span id="L4053" class="LineNr">4053 </span> screen-should-contain [ -<span id="L4054" class="LineNr">4054 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4055" class="LineNr">4055 </span> <span class="Conceal">¦</span><span class="Constant"> .exx .</span> -<span id="L4056" class="LineNr">4056 </span> <span class="Conceal">¦</span><span class="Constant"> .fxx .</span> -<span id="L4057" class="LineNr">4057 </span> <span class="Conceal">¦</span><span class="Constant"> .gxx .</span> +<span id="L4054" class="LineNr">4054 </span> <span class="Constant"> . .</span> +<span id="L4055" class="LineNr">4055 </span> <span class="Constant"> .exx .</span> +<span id="L4056" class="LineNr">4056 </span> <span class="Constant"> .fxx .</span> +<span id="L4057" class="LineNr">4057 </span> <span class="Constant"> .gxx .</span> <span id="L4058" class="LineNr">4058 </span> ] <span id="L4059" class="LineNr">4059 </span> <span class="Comment"># scroll back up past empty line</span> <span id="L4060" class="LineNr">4060 </span> assume-console [ -<span id="L4061" class="LineNr">4061 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L4061" class="LineNr">4061 </span> press page-up <span id="L4062" class="LineNr">4062 </span> ] <span id="L4063" class="LineNr">4063 </span> run [ -<span id="L4064" class="LineNr">4064 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4064" class="LineNr">4064 </span> editor-event-loop screen, console, e <span id="L4065" class="LineNr">4065 </span> ] <span id="L4066" class="LineNr">4066 </span> screen-should-contain [ -<span id="L4067" class="LineNr">4067 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4068" class="LineNr">4068 </span> <span class="Conceal">¦</span><span class="Constant"> .cxx .</span> -<span id="L4069" class="LineNr">4069 </span> <span class="Conceal">¦</span><span class="Constant"> .dxx .</span> -<span id="L4070" class="LineNr">4070 </span> <span class="Conceal">¦</span><span class="Constant"> .exx .</span> +<span id="L4067" class="LineNr">4067 </span> <span class="Constant"> . .</span> +<span id="L4068" class="LineNr">4068 </span> <span class="Constant"> .cxx .</span> +<span id="L4069" class="LineNr">4069 </span> <span class="Constant"> .dxx .</span> +<span id="L4070" class="LineNr">4070 </span> <span class="Constant"> .exx .</span> <span id="L4071" class="LineNr">4071 </span> ] <span id="L4072" class="LineNr">4072 </span>] <span id="L4073" class="LineNr">4073 </span> @@ -4146,80 +4145,80 @@ if ('onhashchange' in window) { <span id="L4084" class="LineNr">4084 </span>fxy <span id="L4085" class="LineNr">4085 </span>gxy <span id="L4086" class="LineNr">4086 </span>] -<span id="L4087" class="LineNr">4087 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> -<span id="L4088" class="LineNr">4088 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L4087" class="LineNr">4087 </span> e:&:editor <span class="Special"><-</span> new-editor s, <span class="Constant">0/left</span>, <span class="Constant">4/right</span> +<span id="L4088" class="LineNr">4088 </span> editor-render screen, e <span id="L4089" class="LineNr">4089 </span> screen-should-contain [ -<span id="L4090" class="LineNr">4090 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4091" class="LineNr">4091 </span> <span class="Conceal">¦</span><span class="Constant"> .axy .</span> -<span id="L4092" class="LineNr">4092 </span> <span class="Conceal">¦</span><span class="Constant"> .bxy .</span> -<span id="L4093" class="LineNr">4093 </span> <span class="Conceal">¦</span><span class="Constant"> .cxy .</span> +<span id="L4090" class="LineNr">4090 </span> <span class="Constant"> . .</span> +<span id="L4091" class="LineNr">4091 </span> <span class="Constant"> .axy .</span> +<span id="L4092" class="LineNr">4092 </span> <span class="Constant"> .bxy .</span> +<span id="L4093" class="LineNr">4093 </span> <span class="Constant"> .cxy .</span> <span id="L4094" class="LineNr">4094 </span> ] <span id="L4095" class="LineNr">4095 </span> assume-console [ -<span id="L4096" class="LineNr">4096 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L4096" class="LineNr">4096 </span> press page-down <span id="L4097" class="LineNr">4097 </span> ] <span id="L4098" class="LineNr">4098 </span> run [ -<span id="L4099" class="LineNr">4099 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4099" class="LineNr">4099 </span> editor-event-loop screen, console, e <span id="L4100" class="LineNr">4100 </span> ] <span id="L4101" class="LineNr">4101 </span> screen-should-contain [ -<span id="L4102" class="LineNr">4102 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4103" class="LineNr">4103 </span> <span class="Conceal">¦</span><span class="Constant"> .cxy .</span> -<span id="L4104" class="LineNr">4104 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4105" class="LineNr">4105 </span> <span class="Conceal">¦</span><span class="Constant"> .dxy .</span> +<span id="L4102" class="LineNr">4102 </span> <span class="Constant"> . .</span> +<span id="L4103" class="LineNr">4103 </span> <span class="Constant"> .cxy .</span> +<span id="L4104" class="LineNr">4104 </span> <span class="Constant"> . .</span> +<span id="L4105" class="LineNr">4105 </span> <span class="Constant"> .dxy .</span> <span id="L4106" class="LineNr">4106 </span> ] <span id="L4107" class="LineNr">4107 </span> assume-console [ -<span id="L4108" class="LineNr">4108 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L4108" class="LineNr">4108 </span> press page-down <span id="L4109" class="LineNr">4109 </span> ] <span id="L4110" class="LineNr">4110 </span> run [ -<span id="L4111" class="LineNr">4111 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4111" class="LineNr">4111 </span> editor-event-loop screen, console, e <span id="L4112" class="LineNr">4112 </span> ] <span id="L4113" class="LineNr">4113 </span> screen-should-contain [ -<span id="L4114" class="LineNr">4114 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4115" class="LineNr">4115 </span> <span class="Conceal">¦</span><span class="Constant"> .dxy .</span> -<span id="L4116" class="LineNr">4116 </span> <span class="Conceal">¦</span><span class="Constant"> .exy .</span> -<span id="L4117" class="LineNr">4117 </span> <span class="Conceal">¦</span><span class="Constant"> .fxy .</span> +<span id="L4114" class="LineNr">4114 </span> <span class="Constant"> . .</span> +<span id="L4115" class="LineNr">4115 </span> <span class="Constant"> .dxy .</span> +<span id="L4116" class="LineNr">4116 </span> <span class="Constant"> .exy .</span> +<span id="L4117" class="LineNr">4117 </span> <span class="Constant"> .fxy .</span> <span id="L4118" class="LineNr">4118 </span> ] <span id="L4119" class="LineNr">4119 </span> <span class="Comment"># scroll back up past empty line</span> <span id="L4120" class="LineNr">4120 </span> assume-console [ -<span id="L4121" class="LineNr">4121 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L4121" class="LineNr">4121 </span> press page-up <span id="L4122" class="LineNr">4122 </span> ] <span id="L4123" class="LineNr">4123 </span> run [ -<span id="L4124" class="LineNr">4124 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4124" class="LineNr">4124 </span> editor-event-loop screen, console, e <span id="L4125" class="LineNr">4125 </span> ] <span id="L4126" class="LineNr">4126 </span> screen-should-contain [ -<span id="L4127" class="LineNr">4127 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4128" class="LineNr">4128 </span> <span class="Conceal">¦</span><span class="Constant"> .cxy .</span> -<span id="L4129" class="LineNr">4129 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4130" class="LineNr">4130 </span> <span class="Conceal">¦</span><span class="Constant"> .dxy .</span> +<span id="L4127" class="LineNr">4127 </span> <span class="Constant"> . .</span> +<span id="L4128" class="LineNr">4128 </span> <span class="Constant"> .cxy .</span> +<span id="L4129" class="LineNr">4129 </span> <span class="Constant"> . .</span> +<span id="L4130" class="LineNr">4130 </span> <span class="Constant"> .dxy .</span> <span id="L4131" class="LineNr">4131 </span> ] <span id="L4132" class="LineNr">4132 </span>] <span id="L4133" class="LineNr">4133 </span> <span id="L4134" class="LineNr">4134 </span><span class="Comment"># ctrl-s - scroll up by one line</span> <span id="L4135" class="LineNr">4135 </span><span class="Comment"># todo: scenarios</span> <span id="L4136" class="LineNr">4136 </span> -<span id="L4137" class="LineNr">4137 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L4137" class="LineNr">4137 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L4138" class="LineNr">4138 </span> <span class="Delimiter">{</span> -<span id="L4139" class="LineNr">4139 </span> <span class="Conceal">¦</span> scroll-up?:bool <span class="Special"><-</span> equal c, <span class="Constant">19/ctrl-s</span> -<span id="L4140" class="LineNr">4140 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> scroll-up? -<span id="L4141" class="LineNr">4141 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L4142" class="LineNr">4142 </span> <span class="Conceal">¦</span> go-render?:bool, editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4149'>line-up</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L4143" class="LineNr">4143 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">5/line-up</span> -<span id="L4144" class="LineNr">4144 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L4145" class="LineNr">4145 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> go-render? +<span id="L4139" class="LineNr">4139 </span> scroll-up?:bool <span class="Special"><-</span> equal c, <span class="Constant">19/ctrl-s</span> +<span id="L4140" class="LineNr">4140 </span> <span class="muControl">break-unless</span> scroll-up? +<span id="L4141" class="LineNr">4141 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L4142" class="LineNr">4142 </span> go-render?:bool, editor <span class="Special"><-</span> line-up editor, screen-height +<span id="L4143" class="LineNr">4143 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">5/line-up</span> +<span id="L4144" class="LineNr">4144 </span><span class="Constant"> <end-move-cursor></span> +<span id="L4145" class="LineNr">4145 </span> <span class="muControl"> return</span> go-render? <span id="L4146" class="LineNr">4146 </span> <span class="Delimiter">}</span> <span id="L4147" class="LineNr">4147 </span>] <span id="L4148" class="LineNr">4148 </span> -<span id="L4149" class="LineNr">4149 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4149'>line-up</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L4149" class="LineNr">4149 </span><span class="muRecipe">def</span> line-up editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L4150" class="LineNr">4150 </span> <span class="Constant">local-scope</span> <span id="L4151" class="LineNr">4151 </span> <span class="Constant">load-inputs</span> <span id="L4152" class="LineNr">4152 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L4153" class="LineNr">4153 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L4154" class="LineNr">4154 </span> max:num <span class="Special"><-</span> subtract right, left -<span id="L4155" class="LineNr">4155 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L4156" class="LineNr">4156 </span> new-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2804'>before-start-of-next-line</a> old-top, max +<span id="L4155" class="LineNr">4155 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L4156" class="LineNr">4156 </span> new-top:&:duplex-list:char <span class="Special"><-</span> before-start-of-next-line old-top, max <span id="L4157" class="LineNr">4157 </span> movement?:bool <span class="Special"><-</span> not-equal old-top, new-top <span id="L4158" class="LineNr">4158 </span> <span class="Delimiter">{</span> -<span id="L4159" class="LineNr">4159 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> movement? -<span id="L4160" class="LineNr">4160 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, new-top +<span id="L4159" class="LineNr">4159 </span> <span class="muControl">break-unless</span> movement? +<span id="L4160" class="LineNr">4160 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, new-top <span id="L4161" class="LineNr">4161 </span> <span class="Delimiter">}</span> <span id="L4162" class="LineNr">4162 </span> <span class="muControl"> return</span> movement? <span id="L4163" class="LineNr">4163 </span>] @@ -4227,27 +4226,27 @@ if ('onhashchange' in window) { <span id="L4165" class="LineNr">4165 </span><span class="Comment"># ctrl-x - scroll down by one line</span> <span id="L4166" class="LineNr">4166 </span><span class="Comment"># todo: scenarios</span> <span id="L4167" class="LineNr">4167 </span> -<span id="L4168" class="LineNr">4168 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L4168" class="LineNr">4168 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L4169" class="LineNr">4169 </span> <span class="Delimiter">{</span> -<span id="L4170" class="LineNr">4170 </span> <span class="Conceal">¦</span> scroll-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">24/ctrl-x</span> -<span id="L4171" class="LineNr">4171 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> scroll-down? -<span id="L4172" class="LineNr">4172 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L4173" class="LineNr">4173 </span> <span class="Conceal">¦</span> go-render?:bool, editor <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4180'>line-down</a> editor, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L4174" class="LineNr">4174 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">6/line-down</span> -<span id="L4175" class="LineNr">4175 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L4176" class="LineNr">4176 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> go-render? +<span id="L4170" class="LineNr">4170 </span> scroll-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">24/ctrl-x</span> +<span id="L4171" class="LineNr">4171 </span> <span class="muControl">break-unless</span> scroll-down? +<span id="L4172" class="LineNr">4172 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L4173" class="LineNr">4173 </span> go-render?:bool, editor <span class="Special"><-</span> line-down editor, screen-height +<span id="L4174" class="LineNr">4174 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">6/line-down</span> +<span id="L4175" class="LineNr">4175 </span><span class="Constant"> <end-move-cursor></span> +<span id="L4176" class="LineNr">4176 </span> <span class="muControl"> return</span> go-render? <span id="L4177" class="LineNr">4177 </span> <span class="Delimiter">}</span> <span id="L4178" class="LineNr">4178 </span>] <span id="L4179" class="LineNr">4179 </span> -<span id="L4180" class="LineNr">4180 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4180'>line-down</a> editor:&:editor, <a href='../081print.mu.html#L782'>screen-height</a>:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ +<span id="L4180" class="LineNr">4180 </span><span class="muRecipe">def</span> line-down editor:&:editor, screen-height:num<span class="muRecipe"> -> </span>go-render?:bool, editor:&:editor [ <span id="L4181" class="LineNr">4181 </span> <span class="Constant">local-scope</span> <span id="L4182" class="LineNr">4182 </span> <span class="Constant">load-inputs</span> -<span id="L4183" class="LineNr">4183 </span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L4184" class="LineNr">4184 </span> new-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> old-top, editor +<span id="L4183" class="LineNr">4183 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L4184" class="LineNr">4184 </span> new-top:&:duplex-list:char <span class="Special"><-</span> before-previous-screen-line old-top, editor <span id="L4185" class="LineNr">4185 </span> movement?:bool <span class="Special"><-</span> not-equal old-top, new-top <span id="L4186" class="LineNr">4186 </span> <span class="Delimiter">{</span> -<span id="L4187" class="LineNr">4187 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> movement? -<span id="L4188" class="LineNr">4188 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, new-top +<span id="L4187" class="LineNr">4187 </span> <span class="muControl">break-unless</span> movement? +<span id="L4188" class="LineNr">4188 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, new-top <span id="L4189" class="LineNr">4189 </span> <span class="Delimiter">}</span> <span id="L4190" class="LineNr">4190 </span> <span class="muControl"> return</span> movement? <span id="L4191" class="LineNr">4191 </span>] @@ -4255,125 +4254,125 @@ if ('onhashchange' in window) { <span id="L4193" class="LineNr">4193 </span><span class="Comment"># ctrl-t - move current line to top of screen</span> <span id="L4194" class="LineNr">4194 </span><span class="Comment"># todo: scenarios</span> <span id="L4195" class="LineNr">4195 </span> -<span id="L4196" class="LineNr">4196 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L4196" class="LineNr">4196 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L4197" class="LineNr">4197 </span> <span class="Delimiter">{</span> -<span id="L4198" class="LineNr">4198 </span> <span class="Conceal">¦</span> scroll-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">20/ctrl-t</span> -<span id="L4199" class="LineNr">4199 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> scroll-down? -<span id="L4200" class="LineNr">4200 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-move-cursor></span> -<span id="L4201" class="LineNr">4201 </span> <span class="Conceal">¦</span> old-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L4202" class="LineNr">4202 </span> <span class="Conceal">¦</span> cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L4203" class="LineNr">4203 </span> <span class="Conceal">¦</span> cursor <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> cursor -<span id="L4204" class="LineNr">4204 </span> <span class="Conceal">¦</span> new-top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> cursor, editor -<span id="L4205" class="LineNr">4205 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, new-top -<span id="L4206" class="LineNr">4206 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>,<span class="Constant"> 1</span> -<span id="L4207" class="LineNr">4207 </span> <span class="Conceal">¦</span> go-render?:bool <span class="Special"><-</span> not-equal new-top, old-top -<span id="L4208" class="LineNr">4208 </span> <span class="Conceal">¦</span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> -<span id="L4209" class="LineNr">4209 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-move-cursor></span> -<span id="L4210" class="LineNr">4210 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> go-render? +<span id="L4198" class="LineNr">4198 </span> scroll-down?:bool <span class="Special"><-</span> equal c, <span class="Constant">20/ctrl-t</span> +<span id="L4199" class="LineNr">4199 </span> <span class="muControl">break-unless</span> scroll-down? +<span id="L4200" class="LineNr">4200 </span><span class="Constant"> <begin-move-cursor></span> +<span id="L4201" class="LineNr">4201 </span> old-top:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L4202" class="LineNr">4202 </span> cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L4203" class="LineNr">4203 </span> cursor <span class="Special"><-</span> next cursor +<span id="L4204" class="LineNr">4204 </span> new-top:&:duplex-list:char <span class="Special"><-</span> before-previous-screen-line cursor, editor +<span id="L4205" class="LineNr">4205 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, new-top +<span id="L4206" class="LineNr">4206 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>,<span class="Constant"> 1</span> +<span id="L4207" class="LineNr">4207 </span> go-render?:bool <span class="Special"><-</span> not-equal new-top, old-top +<span id="L4208" class="LineNr">4208 </span> undo-coalesce-tag:num <span class="Special"><-</span> copy <span class="Constant">0/never</span> +<span id="L4209" class="LineNr">4209 </span><span class="Constant"> <end-move-cursor></span> +<span id="L4210" class="LineNr">4210 </span> <span class="muControl"> return</span> go-render? <span id="L4211" class="LineNr">4211 </span> <span class="Delimiter">}</span> <span id="L4212" class="LineNr">4212 </span>] <span id="L4213" class="LineNr">4213 </span> <span id="L4214" class="LineNr">4214 </span><span class="Comment"># ctrl-/ - comment/uncomment current line</span> <span id="L4215" class="LineNr">4215 </span> -<span id="L4216" class="LineNr">4216 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L4216" class="LineNr">4216 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L4217" class="LineNr">4217 </span> <span class="Delimiter">{</span> -<span id="L4218" class="LineNr">4218 </span> <span class="Conceal">¦</span> comment-toggle?:bool <span class="Special"><-</span> equal c, <span class="Constant">31/ctrl-slash</span> -<span id="L4219" class="LineNr">4219 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> comment-toggle? -<span id="L4220" class="LineNr">4220 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L4221" class="LineNr">4221 </span> <span class="Conceal">¦</span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L4222" class="LineNr">4222 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <begin-insert-character></span> -<span id="L4223" class="LineNr">4223 </span> <span class="Conceal">¦</span> before-line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4280'>before-start-of-screen-line</a> editor -<span id="L4224" class="LineNr">4224 </span> <span class="Conceal">¦</span> line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-line-start -<span id="L4225" class="LineNr">4225 </span> <span class="Conceal">¦</span> commented-out?:bool <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L585'>match</a> line-start, <span class="Constant">[#? ]</span> <span class="Comment"># comment prefix</span> -<span id="L4226" class="LineNr">4226 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L4227" class="LineNr">4227 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> commented-out? -<span id="L4228" class="LineNr">4228 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># uncomment</span> -<span id="L4229" class="LineNr">4229 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> data <span class="Special"><-</span> remove line-start, <span class="Constant">3/length-comment-prefix</span>, data -<span id="L4230" class="LineNr">4230 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> subtract cursor-column, <span class="Constant">3/length-comment-prefix</span> -<span id="L4231" class="LineNr">4231 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L4232" class="LineNr">4232 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4250'>render-line-from-start</a> <a href='../081print.mu.html#L16'>screen</a>, editor, <span class="Constant">3/size-of-comment-leader</span> -<span id="L4233" class="LineNr">4233 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L4234" class="LineNr">4234 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L4235" class="LineNr">4235 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> commented-out? -<span id="L4236" class="LineNr">4236 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># comment</span> -<span id="L4237" class="LineNr">4237 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> insert before-line-start, <span class="Constant">[#? ]</span> -<span id="L4238" class="LineNr">4238 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> add cursor-column, <span class="Constant">3/length-comment-prefix</span> -<span id="L4239" class="LineNr">4239 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L4240" class="LineNr">4240 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> go-render? <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4250'>render-line-from-start</a> <a href='../081print.mu.html#L16'>screen</a>, editor,<span class="Constant"> 0</span> -<span id="L4241" class="LineNr">4241 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L4242" class="LineNr">4242 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <end-insert-character></span> -<span id="L4243" class="LineNr">4243 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L4218" class="LineNr">4218 </span> comment-toggle?:bool <span class="Special"><-</span> equal c, <span class="Constant">31/ctrl-slash</span> +<span id="L4219" class="LineNr">4219 </span> <span class="muControl">break-unless</span> comment-toggle? +<span id="L4220" class="LineNr">4220 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> +<span id="L4221" class="LineNr">4221 </span> data:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L4222" class="LineNr">4222 </span><span class="Constant"> <begin-insert-character></span> +<span id="L4223" class="LineNr">4223 </span> before-line-start:&:duplex-list:char <span class="Special"><-</span> before-start-of-screen-line editor +<span id="L4224" class="LineNr">4224 </span> line-start:&:duplex-list:char <span class="Special"><-</span> next before-line-start +<span id="L4225" class="LineNr">4225 </span> commented-out?:bool <span class="Special"><-</span> match line-start, <span class="Constant">[#? ]</span> <span class="Comment"># comment prefix</span> +<span id="L4226" class="LineNr">4226 </span> <span class="Delimiter">{</span> +<span id="L4227" class="LineNr">4227 </span> <span class="muControl">break-unless</span> commented-out? +<span id="L4228" class="LineNr">4228 </span> <span class="Comment"># uncomment</span> +<span id="L4229" class="LineNr">4229 </span> data <span class="Special"><-</span> remove line-start, <span class="Constant">3/length-comment-prefix</span>, data +<span id="L4230" class="LineNr">4230 </span> cursor-column <span class="Special"><-</span> subtract cursor-column, <span class="Constant">3/length-comment-prefix</span> +<span id="L4231" class="LineNr">4231 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L4232" class="LineNr">4232 </span> go-render? <span class="Special"><-</span> render-line-from-start screen, editor, <span class="Constant">3/size-of-comment-leader</span> +<span id="L4233" class="LineNr">4233 </span> <span class="Delimiter">}</span> +<span id="L4234" class="LineNr">4234 </span> <span class="Delimiter">{</span> +<span id="L4235" class="LineNr">4235 </span> <span class="muControl">break-if</span> commented-out? +<span id="L4236" class="LineNr">4236 </span> <span class="Comment"># comment</span> +<span id="L4237" class="LineNr">4237 </span> insert before-line-start, <span class="Constant">[#? ]</span> +<span id="L4238" class="LineNr">4238 </span> cursor-column <span class="Special"><-</span> add cursor-column, <span class="Constant">3/length-comment-prefix</span> +<span id="L4239" class="LineNr">4239 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L4240" class="LineNr">4240 </span> go-render? <span class="Special"><-</span> render-line-from-start screen, editor,<span class="Constant"> 0</span> +<span id="L4241" class="LineNr">4241 </span> <span class="Delimiter">}</span> +<span id="L4242" class="LineNr">4242 </span><span class="Constant"> <end-insert-character></span> +<span id="L4243" class="LineNr">4243 </span> <span class="muControl"> return</span> <span id="L4244" class="LineNr">4244 </span> <span class="Delimiter">}</span> <span id="L4245" class="LineNr">4245 </span>] <span id="L4246" class="LineNr">4246 </span> <span id="L4247" class="LineNr">4247 </span><span class="Comment"># Render just from the start of the current line, and only if it wasn't</span> <span id="L4248" class="LineNr">4248 </span><span class="Comment"># wrapping before (include margin) and isn't wrapping now. Otherwise just tell</span> <span id="L4249" class="LineNr">4249 </span><span class="Comment"># the caller to go-render? the entire screen.</span> -<span id="L4250" class="LineNr">4250 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4250'>render-line-from-start</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor, right-margin:num<span class="muRecipe"> -> </span>go-render?:bool, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L4250" class="LineNr">4250 </span><span class="muRecipe">def</span> render-line-from-start screen:&:screen, editor:&:editor, right-margin:num<span class="muRecipe"> -> </span>go-render?:bool, screen:&:screen [ <span id="L4251" class="LineNr">4251 </span> <span class="Constant">local-scope</span> <span id="L4252" class="LineNr">4252 </span> <span class="Constant">load-inputs</span> -<span id="L4253" class="LineNr">4253 </span> before-line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L4280'>before-start-of-screen-line</a> editor -<span id="L4254" class="LineNr">4254 </span> line-start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-line-start +<span id="L4253" class="LineNr">4253 </span> before-line-start:&:duplex-list:char <span class="Special"><-</span> before-start-of-screen-line editor +<span id="L4254" class="LineNr">4254 </span> line-start:&:duplex-list:char <span class="Special"><-</span> next before-line-start <span id="L4255" class="LineNr">4255 </span> color:num <span class="Special"><-</span> copy <span class="Constant">7/white</span> <span id="L4256" class="LineNr">4256 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> <span id="L4257" class="LineNr">4257 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L4258" class="LineNr">4258 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, left +<span id="L4258" class="LineNr">4258 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, left <span id="L4259" class="LineNr">4259 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> <span id="L4260" class="LineNr">4260 </span> end:num <span class="Special"><-</span> subtract right, right-margin <span id="L4261" class="LineNr">4261 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L4262" class="LineNr">4262 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy line-start +<span id="L4262" class="LineNr">4262 </span> curr:&:duplex-list:char <span class="Special"><-</span> copy line-start <span id="L4263" class="LineNr">4263 </span> <span class="Delimiter">{</span> -<span id="L4264" class="LineNr">4264 </span> <span class="Conceal">¦</span> render-all?:bool <span class="Special"><-</span> greater-or-equal i, end -<span id="L4265" class="LineNr">4265 </span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> render-all?, <span class="Constant">1/go-render</span> -<span id="L4266" class="LineNr">4266 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L4267" class="LineNr">4267 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L4268" class="LineNr">4268 </span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L4269" class="LineNr">4269 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> newline? -<span id="L4270" class="LineNr">4270 </span> <span class="Conceal">¦</span> color <span class="Special"><-</span> <a href='001-editor.mu.html#L397'>get-color</a> color, c -<span id="L4271" class="LineNr">4271 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, c, color -<span id="L4272" class="LineNr">4272 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L4273" class="LineNr">4273 </span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L4274" class="LineNr">4274 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L4264" class="LineNr">4264 </span> render-all?:bool <span class="Special"><-</span> greater-or-equal i, end +<span id="L4265" class="LineNr">4265 </span> <span class="muControl">return-if</span> render-all?, <span class="Constant">1/go-render</span> +<span id="L4266" class="LineNr">4266 </span> <span class="muControl">break-unless</span> curr +<span id="L4267" class="LineNr">4267 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L4268" class="LineNr">4268 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L4269" class="LineNr">4269 </span> <span class="muControl">break-if</span> newline? +<span id="L4270" class="LineNr">4270 </span> color <span class="Special"><-</span> get-color color, c +<span id="L4271" class="LineNr">4271 </span> print screen, c, color +<span id="L4272" class="LineNr">4272 </span> curr <span class="Special"><-</span> next curr +<span id="L4273" class="LineNr">4273 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L4274" class="LineNr">4274 </span> <span class="muControl"> loop</span> <span id="L4275" class="LineNr">4275 </span> <span class="Delimiter">}</span> -<span id="L4276" class="LineNr">4276 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right +<span id="L4276" class="LineNr">4276 </span> clear-line-until screen, right <span id="L4277" class="LineNr">4277 </span> <span class="muControl"> return</span> <span class="Constant">0/dont-render</span> <span id="L4278" class="LineNr">4278 </span>] <span id="L4279" class="LineNr">4279 </span> -<span id="L4280" class="LineNr">4280 </span><span class="muRecipe">def</span> <a href='003-shortcuts.mu.html#L4280'>before-start-of-screen-line</a> editor:&:editor<span class="muRecipe"> -> </span>result:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char [ +<span id="L4280" class="LineNr">4280 </span><span class="muRecipe">def</span> before-start-of-screen-line editor:&:editor<span class="muRecipe"> -> </span>result:&:duplex-list:char [ <span id="L4281" class="LineNr">4281 </span> <span class="Constant">local-scope</span> <span id="L4282" class="LineNr">4282 </span> <span class="Constant">load-inputs</span> -<span id="L4283" class="LineNr">4283 </span> cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L4283" class="LineNr">4283 </span> cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L4284" class="LineNr">4284 </span> <span class="Delimiter">{</span> -<span id="L4285" class="LineNr">4285 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> cursor -<span id="L4286" class="LineNr">4286 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L4287" class="LineNr">4287 </span> <span class="Conceal">¦</span> cursor <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> +<span id="L4285" class="LineNr">4285 </span> next:&:duplex-list:char <span class="Special"><-</span> next cursor +<span id="L4286" class="LineNr">4286 </span> <span class="muControl">break-unless</span> next +<span id="L4287" class="LineNr">4287 </span> cursor <span class="Special"><-</span> copy next <span id="L4288" class="LineNr">4288 </span> <span class="Delimiter">}</span> -<span id="L4289" class="LineNr">4289 </span> result <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L3175'>before-previous-screen-line</a> cursor, editor +<span id="L4289" class="LineNr">4289 </span> result <span class="Special"><-</span> before-previous-screen-line cursor, editor <span id="L4290" class="LineNr">4290 </span>] <span id="L4291" class="LineNr">4291 </span> <span id="L4292" class="LineNr">4292 </span><span class="muScenario">scenario</span> editor-comments-empty-line [ <span id="L4293" class="LineNr">4293 </span> <span class="Constant">local-scope</span> <span id="L4294" class="LineNr">4294 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L4295" class="LineNr">4295 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L4296" class="LineNr">4296 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L4295" class="LineNr">4295 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L4296" class="LineNr">4296 </span> editor-render screen, e <span id="L4297" class="LineNr">4297 </span> $clear-trace <span id="L4298" class="LineNr">4298 </span> assume-console [ -<span id="L4299" class="LineNr">4299 </span> <span class="Conceal">¦</span> press ctrl-slash +<span id="L4299" class="LineNr">4299 </span> press ctrl-slash <span id="L4300" class="LineNr">4300 </span> ] <span id="L4301" class="LineNr">4301 </span> run [ -<span id="L4302" class="LineNr">4302 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L4303" class="LineNr">4303 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L4304" class="LineNr">4304 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L4302" class="LineNr">4302 </span> editor-event-loop screen, console, e +<span id="L4303" class="LineNr">4303 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L4304" class="LineNr">4304 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4305" class="LineNr">4305 </span> ] <span id="L4306" class="LineNr">4306 </span> screen-should-contain [ -<span id="L4307" class="LineNr">4307 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4308" class="LineNr">4308 </span> <span class="Conceal">¦</span><span class="Constant"> .#? .</span> -<span id="L4309" class="LineNr">4309 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L4310" class="LineNr">4310 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4307" class="LineNr">4307 </span> <span class="Constant"> . .</span> +<span id="L4308" class="LineNr">4308 </span> <span class="Constant"> .#? .</span> +<span id="L4309" class="LineNr">4309 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L4310" class="LineNr">4310 </span> <span class="Constant"> . .</span> <span id="L4311" class="LineNr">4311 </span> ] <span id="L4312" class="LineNr">4312 </span> memory-should-contain [ -<span id="L4313" class="LineNr">4313 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L4314" class="LineNr">4314 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L4313" class="LineNr">4313 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L4314" class="LineNr">4314 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L4315" class="LineNr">4315 </span> ] <span id="L4316" class="LineNr">4316 </span> check-trace-count-for-label<span class="Constant"> 5</span>, <span class="Constant">[print-character]</span> <span id="L4317" class="LineNr">4317 </span>] @@ -4381,26 +4380,26 @@ if ('onhashchange' in window) { <span id="L4319" class="LineNr">4319 </span><span class="muScenario">scenario</span> editor-comments-at-start-of-contents [ <span id="L4320" class="LineNr">4320 </span> <span class="Constant">local-scope</span> <span id="L4321" class="LineNr">4321 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L4322" class="LineNr">4322 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L4323" class="LineNr">4323 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L4322" class="LineNr">4322 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L4323" class="LineNr">4323 </span> editor-render screen, e <span id="L4324" class="LineNr">4324 </span> $clear-trace <span id="L4325" class="LineNr">4325 </span> assume-console [ -<span id="L4326" class="LineNr">4326 </span> <span class="Conceal">¦</span> press ctrl-slash +<span id="L4326" class="LineNr">4326 </span> press ctrl-slash <span id="L4327" class="LineNr">4327 </span> ] <span id="L4328" class="LineNr">4328 </span> run [ -<span id="L4329" class="LineNr">4329 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L4330" class="LineNr">4330 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L4331" class="LineNr">4331 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L4329" class="LineNr">4329 </span> editor-event-loop screen, console, e +<span id="L4330" class="LineNr">4330 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L4331" class="LineNr">4331 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4332" class="LineNr">4332 </span> ] <span id="L4333" class="LineNr">4333 </span> screen-should-contain [ -<span id="L4334" class="LineNr">4334 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4335" class="LineNr">4335 </span> <span class="Conceal">¦</span><span class="Constant"> .#? ab .</span> -<span id="L4336" class="LineNr">4336 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L4337" class="LineNr">4337 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4334" class="LineNr">4334 </span> <span class="Constant"> . .</span> +<span id="L4335" class="LineNr">4335 </span> <span class="Constant"> .#? ab .</span> +<span id="L4336" class="LineNr">4336 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L4337" class="LineNr">4337 </span> <span class="Constant"> . .</span> <span id="L4338" class="LineNr">4338 </span> ] <span id="L4339" class="LineNr">4339 </span> memory-should-contain [ -<span id="L4340" class="LineNr">4340 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L4341" class="LineNr">4341 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L4340" class="LineNr">4340 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L4341" class="LineNr">4341 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L4342" class="LineNr">4342 </span> ] <span id="L4343" class="LineNr">4343 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L4344" class="LineNr">4344 </span>] @@ -4408,44 +4407,44 @@ if ('onhashchange' in window) { <span id="L4346" class="LineNr">4346 </span><span class="muScenario">scenario</span> editor-comments-at-end-of-contents [ <span id="L4347" class="LineNr">4347 </span> <span class="Constant">local-scope</span> <span id="L4348" class="LineNr">4348 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L4349" class="LineNr">4349 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L4350" class="LineNr">4350 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L4349" class="LineNr">4349 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L4350" class="LineNr">4350 </span> editor-render screen, e <span id="L4351" class="LineNr">4351 </span> $clear-trace <span id="L4352" class="LineNr">4352 </span> assume-console [ -<span id="L4353" class="LineNr">4353 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> -<span id="L4354" class="LineNr">4354 </span> <span class="Conceal">¦</span> press ctrl-slash +<span id="L4353" class="LineNr">4353 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> +<span id="L4354" class="LineNr">4354 </span> press ctrl-slash <span id="L4355" class="LineNr">4355 </span> ] <span id="L4356" class="LineNr">4356 </span> run [ -<span id="L4357" class="LineNr">4357 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L4358" class="LineNr">4358 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L4359" class="LineNr">4359 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L4357" class="LineNr">4357 </span> editor-event-loop screen, console, e +<span id="L4358" class="LineNr">4358 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L4359" class="LineNr">4359 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4360" class="LineNr">4360 </span> ] <span id="L4361" class="LineNr">4361 </span> screen-should-contain [ -<span id="L4362" class="LineNr">4362 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4363" class="LineNr">4363 </span> <span class="Conceal">¦</span><span class="Constant"> .#? ab .</span> -<span id="L4364" class="LineNr">4364 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L4365" class="LineNr">4365 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4362" class="LineNr">4362 </span> <span class="Constant"> . .</span> +<span id="L4363" class="LineNr">4363 </span> <span class="Constant"> .#? ab .</span> +<span id="L4364" class="LineNr">4364 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L4365" class="LineNr">4365 </span> <span class="Constant"> . .</span> <span id="L4366" class="LineNr">4366 </span> ] <span id="L4367" class="LineNr">4367 </span> memory-should-contain [ -<span id="L4368" class="LineNr">4368 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L4369" class="LineNr">4369 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 5</span> +<span id="L4368" class="LineNr">4368 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L4369" class="LineNr">4369 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 5</span> <span id="L4370" class="LineNr">4370 </span> ] <span id="L4371" class="LineNr">4371 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L4372" class="LineNr">4372 </span> <span class="Comment"># toggle to uncomment</span> <span id="L4373" class="LineNr">4373 </span> $clear-trace <span id="L4374" class="LineNr">4374 </span> assume-console [ -<span id="L4375" class="LineNr">4375 </span> <span class="Conceal">¦</span> press ctrl-slash +<span id="L4375" class="LineNr">4375 </span> press ctrl-slash <span id="L4376" class="LineNr">4376 </span> ] <span id="L4377" class="LineNr">4377 </span> run [ -<span id="L4378" class="LineNr">4378 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L4379" class="LineNr">4379 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L4380" class="LineNr">4380 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L4378" class="LineNr">4378 </span> editor-event-loop screen, console, e +<span id="L4379" class="LineNr">4379 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L4380" class="LineNr">4380 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L4381" class="LineNr">4381 </span> ] <span id="L4382" class="LineNr">4382 </span> screen-should-contain [ -<span id="L4383" class="LineNr">4383 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4384" class="LineNr">4384 </span> <span class="Conceal">¦</span><span class="Constant"> .ab .</span> -<span id="L4385" class="LineNr">4385 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L4386" class="LineNr">4386 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4383" class="LineNr">4383 </span> <span class="Constant"> . .</span> +<span id="L4384" class="LineNr">4384 </span> <span class="Constant"> .ab .</span> +<span id="L4385" class="LineNr">4385 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L4386" class="LineNr">4386 </span> <span class="Constant"> . .</span> <span id="L4387" class="LineNr">4387 </span> ] <span id="L4388" class="LineNr">4388 </span> check-trace-count-for-label<span class="Constant"> 10</span>, <span class="Constant">[print-character]</span> <span id="L4389" class="LineNr">4389 </span>] @@ -4454,29 +4453,29 @@ if ('onhashchange' in window) { <span id="L4392" class="LineNr">4392 </span> <span class="Constant">local-scope</span> <span id="L4393" class="LineNr">4393 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L4394" class="LineNr">4394 </span> <span class="Comment"># editor starts out with a non-wrapping line</span> -<span id="L4395" class="LineNr">4395 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L4396" class="LineNr">4396 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L4395" class="LineNr">4395 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abcd]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L4396" class="LineNr">4396 </span> editor-render screen, e <span id="L4397" class="LineNr">4397 </span> screen-should-contain [ -<span id="L4398" class="LineNr">4398 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4399" class="LineNr">4399 </span> <span class="Conceal">¦</span><span class="Constant"> .abcd .</span> -<span id="L4400" class="LineNr">4400 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L4401" class="LineNr">4401 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4398" class="LineNr">4398 </span> <span class="Constant"> . .</span> +<span id="L4399" class="LineNr">4399 </span> <span class="Constant"> .abcd .</span> +<span id="L4400" class="LineNr">4400 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L4401" class="LineNr">4401 </span> <span class="Constant"> . .</span> <span id="L4402" class="LineNr">4402 </span> ] <span id="L4403" class="LineNr">4403 </span> $clear-trace <span id="L4404" class="LineNr">4404 </span> <span class="Comment"># on commenting the line is now wrapped</span> <span id="L4405" class="LineNr">4405 </span> assume-console [ -<span id="L4406" class="LineNr">4406 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> -<span id="L4407" class="LineNr">4407 </span> <span class="Conceal">¦</span> press ctrl-slash +<span id="L4406" class="LineNr">4406 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> +<span id="L4407" class="LineNr">4407 </span> press ctrl-slash <span id="L4408" class="LineNr">4408 </span> ] <span id="L4409" class="LineNr">4409 </span> run [ -<span id="L4410" class="LineNr">4410 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4410" class="LineNr">4410 </span> editor-event-loop screen, console, e <span id="L4411" class="LineNr">4411 </span> ] <span id="L4412" class="LineNr">4412 </span> screen-should-contain [ -<span id="L4413" class="LineNr">4413 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4414" class="LineNr">4414 </span> <span class="Conceal">¦</span><span class="Constant"> .#? a↩ .</span> -<span id="L4415" class="LineNr">4415 </span> <span class="Conceal">¦</span><span class="Constant"> .bcd .</span> -<span id="L4416" class="LineNr">4416 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L4417" class="LineNr">4417 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4413" class="LineNr">4413 </span> <span class="Constant"> . .</span> +<span id="L4414" class="LineNr">4414 </span> <span class="Constant"> .#? a↩ .</span> +<span id="L4415" class="LineNr">4415 </span> <span class="Constant"> .bcd .</span> +<span id="L4416" class="LineNr">4416 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L4417" class="LineNr">4417 </span> <span class="Constant"> . .</span> <span id="L4418" class="LineNr">4418 </span> ] <span id="L4419" class="LineNr">4419 </span>] <span id="L4420" class="LineNr">4420 </span> @@ -4484,29 +4483,29 @@ if ('onhashchange' in window) { <span id="L4422" class="LineNr">4422 </span> <span class="Constant">local-scope</span> <span id="L4423" class="LineNr">4423 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L4424" class="LineNr">4424 </span> <span class="Comment"># editor starts out with a comment that wraps the line</span> -<span id="L4425" class="LineNr">4425 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[#? ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> -<span id="L4426" class="LineNr">4426 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L4425" class="LineNr">4425 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[#? ab]</span>, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L4426" class="LineNr">4426 </span> editor-render screen, e <span id="L4427" class="LineNr">4427 </span> screen-should-contain [ -<span id="L4428" class="LineNr">4428 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4429" class="LineNr">4429 </span> <span class="Conceal">¦</span><span class="Constant"> .#? a↩ .</span> -<span id="L4430" class="LineNr">4430 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L4431" class="LineNr">4431 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L4432" class="LineNr">4432 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4428" class="LineNr">4428 </span> <span class="Constant"> . .</span> +<span id="L4429" class="LineNr">4429 </span> <span class="Constant"> .#? a↩ .</span> +<span id="L4430" class="LineNr">4430 </span> <span class="Constant"> .b .</span> +<span id="L4431" class="LineNr">4431 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L4432" class="LineNr">4432 </span> <span class="Constant"> . .</span> <span id="L4433" class="LineNr">4433 </span> ] <span id="L4434" class="LineNr">4434 </span> $clear-trace <span id="L4435" class="LineNr">4435 </span> <span class="Comment"># on uncommenting the line is no longer wrapped</span> <span id="L4436" class="LineNr">4436 </span> assume-console [ -<span id="L4437" class="LineNr">4437 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> -<span id="L4438" class="LineNr">4438 </span> <span class="Conceal">¦</span> press ctrl-slash +<span id="L4437" class="LineNr">4437 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 7</span> +<span id="L4438" class="LineNr">4438 </span> press ctrl-slash <span id="L4439" class="LineNr">4439 </span> ] <span id="L4440" class="LineNr">4440 </span> run [ -<span id="L4441" class="LineNr">4441 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L4441" class="LineNr">4441 </span> editor-event-loop screen, console, e <span id="L4442" class="LineNr">4442 </span> ] <span id="L4443" class="LineNr">4443 </span> screen-should-contain [ -<span id="L4444" class="LineNr">4444 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L4445" class="LineNr">4445 </span> <span class="Conceal">¦</span><span class="Constant"> .ab .</span> -<span id="L4446" class="LineNr">4446 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌ .</span> -<span id="L4447" class="LineNr">4447 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L4444" class="LineNr">4444 </span> <span class="Constant"> . .</span> +<span id="L4445" class="LineNr">4445 </span> <span class="Constant"> .ab .</span> +<span id="L4446" class="LineNr">4446 </span> <span class="Constant"> .╌╌╌╌╌ .</span> +<span id="L4447" class="LineNr">4447 </span> <span class="Constant"> . .</span> <span id="L4448" class="LineNr">4448 </span> ] <span id="L4449" class="LineNr">4449 </span>] </pre> diff --git a/html/edit/004-programming-environment.mu.html b/html/edit/004-programming-environment.mu.html index 2a1dd7f6..fd4838d7 100644 --- a/html/edit/004-programming-environment.mu.html +++ b/html/edit/004-programming-environment.mu.html @@ -15,18 +15,17 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } -.Conceal { color: #4e4e4e; } -.muData { color: #ffff00; } -.LineNr { color: #444444; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } +.LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -69,10 +68,10 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span><span class="muRecipe">def!</span> main [ <span id="L7" class="LineNr"> 7 </span> <span class="Constant">local-scope</span> <span id="L8" class="LineNr"> 8 </span> open-console -<span id="L9" class="LineNr"> 9 </span> <a href='../081print.mu.html#L46'>clear-screen</a> <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> -<span id="L10" class="LineNr"> 10 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <span class="Constant">0/filesystem</span>, <span class="Constant">0/screen</span> -<span id="L11" class="LineNr"> 11 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <span class="Constant">0/screen</span>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L12" class="LineNr"> 12 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, env, <span class="Constant">0/filesystem</span> +<span id="L9" class="LineNr"> 9 </span> clear-screen <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> +<span id="L10" class="LineNr"> 10 </span> env:&:environment <span class="Special"><-</span> new-programming-environment <span class="Constant">0/filesystem</span>, <span class="Constant">0/screen</span> +<span id="L11" class="LineNr"> 11 </span> render-all <span class="Constant">0/screen</span>, env, render +<span id="L12" class="LineNr"> 12 </span> event-loop <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, env, <span class="Constant">0/filesystem</span> <span id="L13" class="LineNr"> 13 </span>] <span id="L14" class="LineNr"> 14 </span> <span id="L15" class="LineNr"> 15 </span><span class="muData">container</span> environment [ @@ -81,25 +80,25 @@ if ('onhashchange' in window) { <span id="L18" class="LineNr"> 18 </span> sandbox-in-focus?:bool <span class="Comment"># false => cursor in recipes; true => cursor in current-sandbox</span> <span id="L19" class="LineNr"> 19 </span>] <span id="L20" class="LineNr"> 20 </span> -<span id="L21" class="LineNr"> 21 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, test-sandbox-editor-contents:text<span class="muRecipe"> -> </span>result:&:environment [ +<span id="L21" class="LineNr"> 21 </span><span class="muRecipe">def</span> new-programming-environment resources:&:resources, screen:&:screen, test-sandbox-editor-contents:text<span class="muRecipe"> -> </span>result:&:environment [ <span id="L22" class="LineNr"> 22 </span> <span class="Constant">local-scope</span> <span id="L23" class="LineNr"> 23 </span> <span class="Constant">load-inputs</span> -<span id="L24" class="LineNr"> 24 </span> width:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L24" class="LineNr"> 24 </span> width:num <span class="Special"><-</span> screen-width screen <span id="L25" class="LineNr"> 25 </span> result <span class="Special"><-</span> new <span class="Constant">environment:type</span> <span id="L26" class="LineNr"> 26 </span> <span class="Comment"># recipe editor on the left</span> -<span id="L27" class="LineNr"> 27 </span> initial-recipe-contents:text <span class="Special"><-</span> <a href='../088file.mu.html#L38'>slurp</a> <a href='../088file.mu.html#L11'>resources</a>, <span class="Constant">[lesson/recipes.mu]</span> <span class="Comment"># ignore errors</span> +<span id="L27" class="LineNr"> 27 </span> initial-recipe-contents:text <span class="Special"><-</span> slurp resources, <span class="Constant">[lesson/recipes.mu]</span> <span class="Comment"># ignore errors</span> <span id="L28" class="LineNr"> 28 </span> divider:num, _ <span class="Special"><-</span> divide-with-remainder width,<span class="Constant"> 2</span> -<span id="L29" class="LineNr"> 29 </span> recipes:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> initial-recipe-contents, <span class="Constant">0/left</span>, divider/right +<span id="L29" class="LineNr"> 29 </span> recipes:&:editor <span class="Special"><-</span> new-editor initial-recipe-contents, <span class="Constant">0/left</span>, divider/right <span id="L30" class="LineNr"> 30 </span> <span class="Comment"># sandbox editor on the right</span> <span id="L31" class="LineNr"> 31 </span> sandbox-left:num <span class="Special"><-</span> add divider,<span class="Constant"> 1</span> -<span id="L32" class="LineNr"> 32 </span> current-sandbox:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> test-sandbox-editor-contents, sandbox-left, width/right +<span id="L32" class="LineNr"> 32 </span> current-sandbox:&:editor <span class="Special"><-</span> new-editor test-sandbox-editor-contents, sandbox-left, width/right <span id="L33" class="LineNr"> 33 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">recipes:offset</span>, recipes <span id="L34" class="LineNr"> 34 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">current-sandbox:offset</span>, current-sandbox <span id="L35" class="LineNr"> 35 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">sandbox-in-focus?:offset</span>, <span class="Constant">0/false</span> -<span id="L36" class="LineNr"> 36 </span><span class="Constant"> <a href='004-programming-environment.mu.html#L36'><programming-environment-initialization></a></span> +<span id="L36" class="LineNr"> 36 </span><span class="Constant"> <programming-environment-initialization></span> <span id="L37" class="LineNr"> 37 </span>] <span id="L38" class="LineNr"> 38 </span> -<span id="L39" class="LineNr"> 39 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>:&:<a href='../084console.mu.html#L23'>console</a>, env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a><span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>:&:<a href='../084console.mu.html#L23'>console</a>, env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a> [ +<span id="L39" class="LineNr"> 39 </span><span class="muRecipe">def</span> event-loop screen:&:screen, console:&:console, env:&:environment, resources:&:resources<span class="muRecipe"> -> </span>screen:&:screen, console:&:console, env:&:environment, resources:&:resources [ <span id="L40" class="LineNr"> 40 </span> <span class="Constant">local-scope</span> <span id="L41" class="LineNr"> 41 </span> <span class="Constant">load-inputs</span> <span id="L42" class="LineNr"> 42 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> @@ -111,91 +110,91 @@ if ('onhashchange' in window) { <span id="L48" class="LineNr"> 48 </span> render-recipes-on-no-more-events?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L49" class="LineNr"> 49 </span> render-sandboxes-on-no-more-events?:bool <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">{</span> -<span id="L51" class="LineNr"> 51 </span> <span class="Conceal">¦</span> <span class="Comment"># looping over each (keyboard or touch) event as it occurs</span> -<span id="L52" class="LineNr"> 52 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-event</span> -<span id="L53" class="LineNr"> 53 </span> <span class="Conceal">¦</span> e:<a href='../084console.mu.html#L4'>event</a>, found?:bool, quit?:bool, <a href='../084console.mu.html#L23'>console</a> <span class="Special"><-</span> <a href='../084console.mu.html#L35'>read-event</a> <a href='../084console.mu.html#L23'>console</a> -<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span> <span class="muControl">loop-unless</span> found? -<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> quit? <span class="Comment"># only in tests</span> -<span id="L56" class="LineNr"> 56 </span> <span class="Conceal">¦</span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[next-event]</span> -<span id="L57" class="LineNr"> 57 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='004-programming-environment.mu.html#L57'><handle-event></a></span> -<span id="L58" class="LineNr"> 58 </span> <span class="Conceal">¦</span> <span class="Comment"># check for global events that will trigger regardless of which editor has focus</span> -<span id="L59" class="LineNr"> 59 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L60" class="LineNr"> 60 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> k:num, is-keycode?:bool <span class="Special"><-</span> maybe-convert e:<a href='../084console.mu.html#L4'>event</a>, <span class="Constant">keycode:variant</span> -<span id="L61" class="LineNr"> 61 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-keycode? -<span id="L62" class="LineNr"> 62 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='004-programming-environment.mu.html#L62'><global-keypress></a></span> -<span id="L63" class="LineNr"> 63 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L64" class="LineNr"> 64 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L65" class="LineNr"> 65 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char, is-unicode?:bool <span class="Special"><-</span> maybe-convert e:<a href='../084console.mu.html#L4'>event</a>, <span class="Constant">text:variant</span> -<span id="L66" class="LineNr"> 66 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-unicode? -<span id="L67" class="LineNr"> 67 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='004-programming-environment.mu.html#L67'><global-type></a></span> -<span id="L68" class="LineNr"> 68 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L69" class="LineNr"> 69 </span> <span class="Conceal">¦</span> <span class="Comment"># 'touch' event - send to both sides, see what picks it up</span> -<span id="L70" class="LineNr"> 70 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L71" class="LineNr"> 71 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> t:<a href='../084console.mu.html#L12'>touch-event</a>, is-touch?:bool <span class="Special"><-</span> maybe-convert e:<a href='../084console.mu.html#L4'>event</a>, <span class="Constant">touch:variant</span> -<span id="L72" class="LineNr"> 72 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-touch? -<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># ignore all but 'left-click' events for now</span> -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># todo: test this</span> -<span id="L75" class="LineNr"> 75 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> touch-type:num <span class="Special"><-</span> get t, <span class="Constant">type:offset</span> -<span id="L76" class="LineNr"> 76 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> is-left-click?:bool <span class="Special"><-</span> equal touch-type, <span class="Constant">65513/mouse-left</span> -<span id="L77" class="LineNr"> 77 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop-unless</span> is-left-click?, <span class="Constant">+next-event</span> -<span id="L78" class="LineNr"> 78 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> click-row:num <span class="Special"><-</span> get t, <span class="Constant">row:offset</span> -<span id="L79" class="LineNr"> 79 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> click-column:num <span class="Special"><-</span> get t, <span class="Constant">column:offset</span> -<span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># later exceptions for non-editor touches will go here</span> -<span id="L81" class="LineNr"> 81 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='004-programming-environment.mu.html#L81'><global-touch></a></span> -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># send to both editors</span> -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> _ <span class="Special"><-</span> move-cursor recipes, <a href='../081print.mu.html#L16'>screen</a>, t -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> sandbox-in-focus?:bool <span class="Special"><-</span> move-cursor current-sandbox, <a href='../081print.mu.html#L16'>screen</a>, t -<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, sandbox-in-focus? -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L89" class="LineNr"> 89 </span> <span class="Conceal">¦</span> <span class="Comment"># 'resize' event - redraw editor</span> -<span id="L90" class="LineNr"> 90 </span> <span class="Conceal">¦</span> <span class="Comment"># todo: test this after supporting resize in assume-console</span> -<span id="L91" class="LineNr"> 91 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L92" class="LineNr"> 92 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> r:<a href='../084console.mu.html#L18'>resize-event</a>, is-resize?:bool <span class="Special"><-</span> maybe-convert e:<a href='../084console.mu.html#L4'>event</a>, <span class="Constant"><a href='004-programming-environment.mu.html#L131'>resize</a>:variant</span> -<span id="L93" class="LineNr"> 93 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-resize? -<span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> env, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L131'>resize</a> <a href='../081print.mu.html#L16'>screen</a>, env -<span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='004-programming-environment.mu.html#L158'>render-without-moving-cursor</a> -<span id="L96" class="LineNr"> 96 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> -<span id="L97" class="LineNr"> 97 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span> <span class="Comment"># if it's not global and not a touch event, send to appropriate editor</span> -<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L100" class="LineNr">100 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> sandbox-in-focus?:bool <span class="Special"><-</span> get *env, <span class="Constant">sandbox-in-focus?:offset</span> -<span id="L101" class="LineNr">101 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> sandbox-in-focus? -<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render?:bool <span class="Special"><-</span> <a href='002-typing.mu.html#L166'>handle-keyboard-event</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, e:<a href='../084console.mu.html#L4'>event</a> -<span id="L104" class="LineNr">104 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render-recipes-on-no-more-events? <span class="Special"><-</span> or render?, render-recipes-on-no-more-events? -<span id="L105" class="LineNr">105 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L106" class="LineNr">106 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L107" class="LineNr">107 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-in-focus? -<span id="L108" class="LineNr">108 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render?:bool <span class="Special"><-</span> <a href='002-typing.mu.html#L166'>handle-keyboard-event</a> <a href='../081print.mu.html#L16'>screen</a>, current-sandbox, e:<a href='../084console.mu.html#L4'>event</a> -<span id="L109" class="LineNr">109 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render-sandboxes-on-no-more-events? <span class="Special"><-</span> or render?, render-sandboxes-on-no-more-events? -<span id="L110" class="LineNr">110 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L111" class="LineNr">111 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> more-events?:bool <span class="Special"><-</span> <a href='../084console.mu.html#L99'>has-more-events?</a> <a href='../084console.mu.html#L23'>console</a> -<span id="L112" class="LineNr">112 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L113" class="LineNr">113 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> more-events? -<span id="L114" class="LineNr">114 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L115" class="LineNr">115 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> render-recipes-on-no-more-events? -<span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render-recipes-on-no-more-events? <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L117" class="LineNr">117 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L431'>render-recipes</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L118" class="LineNr">118 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L119" class="LineNr">119 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L120" class="LineNr">120 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> render-sandboxes-on-no-more-events? -<span id="L121" class="LineNr">121 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render-sandboxes-on-no-more-events? <span class="Special"><-</span> copy <span class="Constant">0/false</span> -<span id="L122" class="LineNr">122 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L123" class="LineNr">123 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L124" class="LineNr">124 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L125" class="LineNr">125 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L126" class="LineNr">126 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L127" class="LineNr">127 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L51" class="LineNr"> 51 </span> <span class="Comment"># looping over each (keyboard or touch) event as it occurs</span> +<span id="L52" class="LineNr"> 52 </span><span class="Constant"> +next-event</span> +<span id="L53" class="LineNr"> 53 </span> e:event, found?:bool, quit?:bool, console <span class="Special"><-</span> read-event console +<span id="L54" class="LineNr"> 54 </span> <span class="muControl">loop-unless</span> found? +<span id="L55" class="LineNr"> 55 </span> <span class="muControl">break-if</span> quit? <span class="Comment"># only in tests</span> +<span id="L56" class="LineNr"> 56 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[next-event]</span> +<span id="L57" class="LineNr"> 57 </span><span class="Constant"> <handle-event></span> +<span id="L58" class="LineNr"> 58 </span> <span class="Comment"># check for global events that will trigger regardless of which editor has focus</span> +<span id="L59" class="LineNr"> 59 </span> <span class="Delimiter">{</span> +<span id="L60" class="LineNr"> 60 </span> k:num, is-keycode?:bool <span class="Special"><-</span> maybe-convert e:event, <span class="Constant">keycode:variant</span> +<span id="L61" class="LineNr"> 61 </span> <span class="muControl">break-unless</span> is-keycode? +<span id="L62" class="LineNr"> 62 </span><span class="Constant"> <global-keypress></span> +<span id="L63" class="LineNr"> 63 </span> <span class="Delimiter">}</span> +<span id="L64" class="LineNr"> 64 </span> <span class="Delimiter">{</span> +<span id="L65" class="LineNr"> 65 </span> c:char, is-unicode?:bool <span class="Special"><-</span> maybe-convert e:event, <span class="Constant">text:variant</span> +<span id="L66" class="LineNr"> 66 </span> <span class="muControl">break-unless</span> is-unicode? +<span id="L67" class="LineNr"> 67 </span><span class="Constant"> <global-type></span> +<span id="L68" class="LineNr"> 68 </span> <span class="Delimiter">}</span> +<span id="L69" class="LineNr"> 69 </span> <span class="Comment"># 'touch' event - send to both sides, see what picks it up</span> +<span id="L70" class="LineNr"> 70 </span> <span class="Delimiter">{</span> +<span id="L71" class="LineNr"> 71 </span> t:touch-event, is-touch?:bool <span class="Special"><-</span> maybe-convert e:event, <span class="Constant">touch:variant</span> +<span id="L72" class="LineNr"> 72 </span> <span class="muControl">break-unless</span> is-touch? +<span id="L73" class="LineNr"> 73 </span> <span class="Comment"># ignore all but 'left-click' events for now</span> +<span id="L74" class="LineNr"> 74 </span> <span class="Comment"># todo: test this</span> +<span id="L75" class="LineNr"> 75 </span> touch-type:num <span class="Special"><-</span> get t, <span class="Constant">type:offset</span> +<span id="L76" class="LineNr"> 76 </span> is-left-click?:bool <span class="Special"><-</span> equal touch-type, <span class="Constant">65513/mouse-left</span> +<span id="L77" class="LineNr"> 77 </span> <span class="muControl">loop-unless</span> is-left-click?, <span class="Constant">+next-event</span> +<span id="L78" class="LineNr"> 78 </span> click-row:num <span class="Special"><-</span> get t, <span class="Constant">row:offset</span> +<span id="L79" class="LineNr"> 79 </span> click-column:num <span class="Special"><-</span> get t, <span class="Constant">column:offset</span> +<span id="L80" class="LineNr"> 80 </span> <span class="Comment"># later exceptions for non-editor touches will go here</span> +<span id="L81" class="LineNr"> 81 </span><span class="Constant"> <global-touch></span> +<span id="L82" class="LineNr"> 82 </span> <span class="Comment"># send to both editors</span> +<span id="L83" class="LineNr"> 83 </span> _ <span class="Special"><-</span> move-cursor recipes, screen, t +<span id="L84" class="LineNr"> 84 </span> sandbox-in-focus?:bool <span class="Special"><-</span> move-cursor current-sandbox, screen, t +<span id="L85" class="LineNr"> 85 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, sandbox-in-focus? +<span id="L86" class="LineNr"> 86 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L87" class="LineNr"> 87 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Comment"># 'resize' event - redraw editor</span> +<span id="L90" class="LineNr"> 90 </span> <span class="Comment"># todo: test this after supporting resize in assume-console</span> +<span id="L91" class="LineNr"> 91 </span> <span class="Delimiter">{</span> +<span id="L92" class="LineNr"> 92 </span> r:resize-event, is-resize?:bool <span class="Special"><-</span> maybe-convert e:event, <span class="Constant">resize:variant</span> +<span id="L93" class="LineNr"> 93 </span> <span class="muControl">break-unless</span> is-resize? +<span id="L94" class="LineNr"> 94 </span> env, screen <span class="Special"><-</span> resize screen, env +<span id="L95" class="LineNr"> 95 </span> screen <span class="Special"><-</span> render-all screen, env, render-without-moving-cursor +<span id="L96" class="LineNr"> 96 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L97" class="LineNr"> 97 </span> <span class="Delimiter">}</span> +<span id="L98" class="LineNr"> 98 </span> <span class="Comment"># if it's not global and not a touch event, send to appropriate editor</span> +<span id="L99" class="LineNr"> 99 </span> <span class="Delimiter">{</span> +<span id="L100" class="LineNr">100 </span> sandbox-in-focus?:bool <span class="Special"><-</span> get *env, <span class="Constant">sandbox-in-focus?:offset</span> +<span id="L101" class="LineNr">101 </span> <span class="Delimiter">{</span> +<span id="L102" class="LineNr">102 </span> <span class="muControl">break-if</span> sandbox-in-focus? +<span id="L103" class="LineNr">103 </span> render?:bool <span class="Special"><-</span> handle-keyboard-event screen, recipes, e:event +<span id="L104" class="LineNr">104 </span> render-recipes-on-no-more-events? <span class="Special"><-</span> or render?, render-recipes-on-no-more-events? +<span id="L105" class="LineNr">105 </span> <span class="Delimiter">}</span> +<span id="L106" class="LineNr">106 </span> <span class="Delimiter">{</span> +<span id="L107" class="LineNr">107 </span> <span class="muControl">break-unless</span> sandbox-in-focus? +<span id="L108" class="LineNr">108 </span> render?:bool <span class="Special"><-</span> handle-keyboard-event screen, current-sandbox, e:event +<span id="L109" class="LineNr">109 </span> render-sandboxes-on-no-more-events? <span class="Special"><-</span> or render?, render-sandboxes-on-no-more-events? +<span id="L110" class="LineNr">110 </span> <span class="Delimiter">}</span> +<span id="L111" class="LineNr">111 </span> more-events?:bool <span class="Special"><-</span> has-more-events? console +<span id="L112" class="LineNr">112 </span> <span class="Delimiter">{</span> +<span id="L113" class="LineNr">113 </span> <span class="muControl">break-if</span> more-events? +<span id="L114" class="LineNr">114 </span> <span class="Delimiter">{</span> +<span id="L115" class="LineNr">115 </span> <span class="muControl">break-unless</span> render-recipes-on-no-more-events? +<span id="L116" class="LineNr">116 </span> render-recipes-on-no-more-events? <span class="Special"><-</span> copy <span class="Constant">0/false</span> +<span id="L117" class="LineNr">117 </span> screen <span class="Special"><-</span> render-recipes screen, env, render +<span id="L118" class="LineNr">118 </span> <span class="Delimiter">}</span> +<span id="L119" class="LineNr">119 </span> <span class="Delimiter">{</span> +<span id="L120" class="LineNr">120 </span> <span class="muControl">break-unless</span> render-sandboxes-on-no-more-events? +<span id="L121" class="LineNr">121 </span> render-sandboxes-on-no-more-events? <span class="Special"><-</span> copy <span class="Constant">0/false</span> +<span id="L122" class="LineNr">122 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L123" class="LineNr">123 </span> <span class="Delimiter">}</span> +<span id="L124" class="LineNr">124 </span> <span class="Delimiter">}</span> +<span id="L125" class="LineNr">125 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L126" class="LineNr">126 </span> <span class="Delimiter">}</span> +<span id="L127" class="LineNr">127 </span> <span class="muControl"> loop</span> <span id="L128" class="LineNr">128 </span> <span class="Delimiter">}</span> <span id="L129" class="LineNr">129 </span>] <span id="L130" class="LineNr">130 </span> -<span id="L131" class="LineNr">131 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L131'>resize</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment<span class="muRecipe"> -> </span>env:&:environment, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L131" class="LineNr">131 </span><span class="muRecipe">def</span> resize screen:&:screen, env:&:environment<span class="muRecipe"> -> </span>env:&:environment, screen:&:screen [ <span id="L132" class="LineNr">132 </span> <span class="Constant">local-scope</span> <span id="L133" class="LineNr">133 </span> <span class="Constant">load-inputs</span> -<span id="L134" class="LineNr">134 </span> <a href='../081print.mu.html#L46'>clear-screen</a> <a href='../081print.mu.html#L16'>screen</a> <span class="Comment"># update screen dimensions</span> -<span id="L135" class="LineNr">135 </span> width:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L134" class="LineNr">134 </span> clear-screen screen <span class="Comment"># update screen dimensions</span> +<span id="L135" class="LineNr">135 </span> width:num <span class="Special"><-</span> screen-width screen <span id="L136" class="LineNr">136 </span> divider:num, _ <span class="Special"><-</span> divide-with-remainder width,<span class="Constant"> 2</span> <span id="L137" class="LineNr">137 </span> <span class="Comment"># update recipe editor</span> <span id="L138" class="LineNr">138 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> @@ -218,78 +217,78 @@ if ('onhashchange' in window) { <span id="L155" class="LineNr">155 </span><span class="Comment"># Variant of 'render' that updates cursor-row and cursor-column based on</span> <span id="L156" class="LineNr">156 </span><span class="Comment"># before-cursor (rather than the other way around). If before-cursor moves</span> <span id="L157" class="LineNr">157 </span><span class="Comment"># off-screen, it resets cursor-row and cursor-column.</span> -<span id="L158" class="LineNr">158 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L158'>render-without-moving-cursor</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor<span class="muRecipe"> -> </span>last-row:num, last-column:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, editor:&:editor [ +<span id="L158" class="LineNr">158 </span><span class="muRecipe">def</span> render-without-moving-cursor screen:&:screen, editor:&:editor<span class="muRecipe"> -> </span>last-row:num, last-column:num, screen:&:screen, editor:&:editor [ <span id="L159" class="LineNr">159 </span> <span class="Constant">local-scope</span> <span id="L160" class="LineNr">160 </span> <span class="Constant">load-inputs</span> <span id="L161" class="LineNr">161 </span> <span class="muControl">return-unless</span> editor, <span class="Constant">1/top</span>, <span class="Constant">0/left</span> <span id="L162" class="LineNr">162 </span> left:num <span class="Special"><-</span> get *editor, <span class="Constant">left:offset</span> -<span id="L163" class="LineNr">163 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L163" class="LineNr">163 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L164" class="LineNr">164 </span> right:num <span class="Special"><-</span> get *editor, <span class="Constant">right:offset</span> -<span id="L165" class="LineNr">165 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L166" class="LineNr">166 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> copy curr <span class="Comment"># just in case curr becomes null and we can't compute prev</span> -<span id="L167" class="LineNr">167 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr +<span id="L165" class="LineNr">165 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L166" class="LineNr">166 </span> prev:&:duplex-list:char <span class="Special"><-</span> copy curr <span class="Comment"># just in case curr becomes null and we can't compute prev</span> +<span id="L167" class="LineNr">167 </span> curr <span class="Special"><-</span> next curr <span id="L168" class="LineNr">168 </span> color:num <span class="Special"><-</span> copy <span class="Constant">7/white</span> <span id="L169" class="LineNr">169 </span> row:num <span class="Special"><-</span> copy <span class="Constant">1/top</span> <span id="L170" class="LineNr">170 </span> column:num <span class="Special"><-</span> copy left <span id="L171" class="LineNr">171 </span> <span class="Comment"># save before-cursor</span> -<span id="L172" class="LineNr">172 </span> old-before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L172" class="LineNr">172 </span> old-before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L173" class="LineNr">173 </span> <span class="Comment"># initialze cursor-row/cursor-column/before-cursor to the top of the screen</span> <span id="L174" class="LineNr">174 </span> <span class="Comment"># by default</span> <span id="L175" class="LineNr">175 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, row <span id="L176" class="LineNr">176 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, column -<span id="L177" class="LineNr">177 </span> top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L177" class="LineNr">177 </span> top-of-screen:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L178" class="LineNr">178 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, top-of-screen -<span id="L179" class="LineNr">179 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column +<span id="L179" class="LineNr">179 </span> screen <span class="Special"><-</span> move-cursor screen, row, column <span id="L180" class="LineNr">180 </span> <span class="Delimiter">{</span> -<span id="L181" class="LineNr">181 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-character</span> -<span id="L182" class="LineNr">182 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L183" class="LineNr">183 </span> <span class="Conceal">¦</span> off-screen?:bool <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L184" class="LineNr">184 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> off-screen? -<span id="L185" class="LineNr">185 </span> <span class="Conceal">¦</span> <span class="Comment"># if we find old-before-cursor still on the new resized screen, update</span> -<span id="L186" class="LineNr">186 </span> <span class="Conceal">¦</span> <span class="Comment"># editor.cursor-row and editor.cursor-column based on</span> -<span id="L187" class="LineNr">187 </span> <span class="Conceal">¦</span> <span class="Comment"># old-before-cursor</span> -<span id="L188" class="LineNr">188 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L189" class="LineNr">189 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-cursor?:bool <span class="Special"><-</span> equal old-before-cursor, <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L190" class="LineNr">190 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-cursor? -<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, row -<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, column -<span id="L193" class="LineNr">193 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, old-before-cursor -<span id="L194" class="LineNr">194 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L195" class="LineNr">195 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L196" class="LineNr">196 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <character-c-received></span> -<span id="L197" class="LineNr">197 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L198" class="LineNr">198 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># newline? move to left rather than 0</span> -<span id="L199" class="LineNr">199 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L200" class="LineNr">200 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> newline? -<span id="L201" class="LineNr">201 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># clear rest of line in this window</span> -<span id="L202" class="LineNr">202 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right -<span id="L203" class="LineNr">203 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># skip to next line</span> -<span id="L204" class="LineNr">204 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L205" class="LineNr">205 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L206" class="LineNr">206 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L207" class="LineNr">207 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L208" class="LineNr">208 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L209" class="LineNr">209 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L210" class="LineNr">210 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L211" class="LineNr">211 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L212" class="LineNr">212 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># at right? wrap. even if there's only one more letter left; we need</span> -<span id="L213" class="LineNr">213 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># room for clicking on the cursor after it.</span> -<span id="L214" class="LineNr">214 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> equal column, right -<span id="L215" class="LineNr">215 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-right? -<span id="L216" class="LineNr">216 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># print wrap icon</span> -<span id="L217" class="LineNr">217 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> -<span id="L218" class="LineNr">218 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, wrap-icon, <span class="Constant">245/grey</span> -<span id="L219" class="LineNr">219 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L220" class="LineNr">220 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L221" class="LineNr">221 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># don't increment curr</span> -<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L224" class="LineNr">224 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L225" class="LineNr">225 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, c, color -<span id="L226" class="LineNr">226 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L227" class="LineNr">227 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> <a href='../065duplex_list.mu.html#L32'>prev</a> -<span id="L228" class="LineNr">228 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L229" class="LineNr">229 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L181" class="LineNr">181 </span><span class="Constant"> +next-character</span> +<span id="L182" class="LineNr">182 </span> <span class="muControl">break-unless</span> curr +<span id="L183" class="LineNr">183 </span> off-screen?:bool <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L184" class="LineNr">184 </span> <span class="muControl">break-if</span> off-screen? +<span id="L185" class="LineNr">185 </span> <span class="Comment"># if we find old-before-cursor still on the new resized screen, update</span> +<span id="L186" class="LineNr">186 </span> <span class="Comment"># editor.cursor-row and editor.cursor-column based on</span> +<span id="L187" class="LineNr">187 </span> <span class="Comment"># old-before-cursor</span> +<span id="L188" class="LineNr">188 </span> <span class="Delimiter">{</span> +<span id="L189" class="LineNr">189 </span> at-cursor?:bool <span class="Special"><-</span> equal old-before-cursor, prev +<span id="L190" class="LineNr">190 </span> <span class="muControl">break-unless</span> at-cursor? +<span id="L191" class="LineNr">191 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, row +<span id="L192" class="LineNr">192 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, column +<span id="L193" class="LineNr">193 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, old-before-cursor +<span id="L194" class="LineNr">194 </span> <span class="Delimiter">}</span> +<span id="L195" class="LineNr">195 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L196" class="LineNr">196 </span><span class="Constant"> <character-c-received></span> +<span id="L197" class="LineNr">197 </span> <span class="Delimiter">{</span> +<span id="L198" class="LineNr">198 </span> <span class="Comment"># newline? move to left rather than 0</span> +<span id="L199" class="LineNr">199 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L200" class="LineNr">200 </span> <span class="muControl">break-unless</span> newline? +<span id="L201" class="LineNr">201 </span> <span class="Comment"># clear rest of line in this window</span> +<span id="L202" class="LineNr">202 </span> clear-line-until screen, right +<span id="L203" class="LineNr">203 </span> <span class="Comment"># skip to next line</span> +<span id="L204" class="LineNr">204 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L205" class="LineNr">205 </span> column <span class="Special"><-</span> copy left +<span id="L206" class="LineNr">206 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L207" class="LineNr">207 </span> curr <span class="Special"><-</span> next curr +<span id="L208" class="LineNr">208 </span> prev <span class="Special"><-</span> next prev +<span id="L209" class="LineNr">209 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L210" class="LineNr">210 </span> <span class="Delimiter">}</span> +<span id="L211" class="LineNr">211 </span> <span class="Delimiter">{</span> +<span id="L212" class="LineNr">212 </span> <span class="Comment"># at right? wrap. even if there's only one more letter left; we need</span> +<span id="L213" class="LineNr">213 </span> <span class="Comment"># room for clicking on the cursor after it.</span> +<span id="L214" class="LineNr">214 </span> at-right?:bool <span class="Special"><-</span> equal column, right +<span id="L215" class="LineNr">215 </span> <span class="muControl">break-unless</span> at-right? +<span id="L216" class="LineNr">216 </span> <span class="Comment"># print wrap icon</span> +<span id="L217" class="LineNr">217 </span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> +<span id="L218" class="LineNr">218 </span> print screen, wrap-icon, <span class="Constant">245/grey</span> +<span id="L219" class="LineNr">219 </span> column <span class="Special"><-</span> copy left +<span id="L220" class="LineNr">220 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L221" class="LineNr">221 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L222" class="LineNr">222 </span> <span class="Comment"># don't increment curr</span> +<span id="L223" class="LineNr">223 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L224" class="LineNr">224 </span> <span class="Delimiter">}</span> +<span id="L225" class="LineNr">225 </span> print screen, c, color +<span id="L226" class="LineNr">226 </span> curr <span class="Special"><-</span> next curr +<span id="L227" class="LineNr">227 </span> prev <span class="Special"><-</span> next prev +<span id="L228" class="LineNr">228 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L229" class="LineNr">229 </span> <span class="muControl"> loop</span> <span id="L230" class="LineNr">230 </span> <span class="Delimiter">}</span> <span id="L231" class="LineNr">231 </span> <span class="Comment"># save first character off-screen</span> <span id="L232" class="LineNr">232 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">bottom-of-screen:offset</span>, curr @@ -303,27 +302,27 @@ if ('onhashchange' in window) { <span id="L240" class="LineNr">240 </span> assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span> <span id="L241" class="LineNr">241 </span> <span class="Comment"># initialize both halves of screen</span> <span id="L242" class="LineNr">242 </span> assume-resources [ -<span id="L243" class="LineNr">243 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L244" class="LineNr">244 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |abc|</span> -<span id="L245" class="LineNr">245 </span> <span class="Conceal">¦</span> ] +<span id="L243" class="LineNr">243 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L244" class="LineNr">244 </span><span class="Constant"> |abc|</span> +<span id="L245" class="LineNr">245 </span> ] <span id="L246" class="LineNr">246 </span> ] -<span id="L247" class="LineNr">247 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[def]</span> <span class="Comment"># contents of sandbox editor</span> +<span id="L247" class="LineNr">247 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[def]</span> <span class="Comment"># contents of sandbox editor</span> <span id="L248" class="LineNr">248 </span> <span class="Comment"># focus on both sides</span> <span id="L249" class="LineNr">249 </span> assume-console [ -<span id="L250" class="LineNr">250 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L251" class="LineNr">251 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 17</span> +<span id="L250" class="LineNr">250 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L251" class="LineNr">251 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 17</span> <span id="L252" class="LineNr">252 </span> ] <span id="L253" class="LineNr">253 </span> <span class="Comment"># check cursor column in each</span> <span id="L254" class="LineNr">254 </span> run [ -<span id="L255" class="LineNr">255 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L256" class="LineNr">256 </span> <span class="Conceal">¦</span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> -<span id="L257" class="LineNr">257 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-column:offset</span> -<span id="L258" class="LineNr">258 </span> <span class="Conceal">¦</span> sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> -<span id="L259" class="LineNr">259 </span> <span class="Conceal">¦</span> 7:num/<span class="Special">raw</span> <span class="Special"><-</span> get *sandbox, <span class="Constant">cursor-column:offset</span> +<span id="L255" class="LineNr">255 </span> event-loop screen, console, env, resources +<span id="L256" class="LineNr">256 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> +<span id="L257" class="LineNr">257 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-column:offset</span> +<span id="L258" class="LineNr">258 </span> sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> +<span id="L259" class="LineNr">259 </span> 7:num/<span class="Special">raw</span> <span class="Special"><-</span> get *sandbox, <span class="Constant">cursor-column:offset</span> <span id="L260" class="LineNr">260 </span> ] <span id="L261" class="LineNr">261 </span> memory-should-contain [ -<span id="L262" class="LineNr">262 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L263" class="LineNr">263 </span> <span class="Conceal">¦</span><span class="Constant"> 7</span> <span class="Special"><-</span><span class="Constant"> 17</span> +<span id="L262" class="LineNr">262 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L263" class="LineNr">263 </span> <span class="Constant"> 7</span> <span class="Special"><-</span><span class="Constant"> 17</span> <span id="L264" class="LineNr">264 </span> ] <span id="L265" class="LineNr">265 </span>] <span id="L266" class="LineNr">266 </span> @@ -333,48 +332,48 @@ if ('onhashchange' in window) { <span id="L270" class="LineNr">270 </span> assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span> <span id="L271" class="LineNr">271 </span> <span class="Comment"># initialize both halves of screen</span> <span id="L272" class="LineNr">272 </span> assume-resources [ -<span id="L273" class="LineNr">273 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L274" class="LineNr">274 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |abc|</span> -<span id="L275" class="LineNr">275 </span> <span class="Conceal">¦</span> ] +<span id="L273" class="LineNr">273 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L274" class="LineNr">274 </span><span class="Constant"> |abc|</span> +<span id="L275" class="LineNr">275 </span> ] <span id="L276" class="LineNr">276 </span> ] -<span id="L277" class="LineNr">277 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[def]</span> <span class="Comment"># contents of sandbox</span> -<span id="L278" class="LineNr">278 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L277" class="LineNr">277 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[def]</span> <span class="Comment"># contents of sandbox</span> +<span id="L278" class="LineNr">278 </span> render-all screen, env, render <span id="L279" class="LineNr">279 </span> <span class="Comment"># type one letter in each of them</span> <span id="L280" class="LineNr">280 </span> assume-console [ -<span id="L281" class="LineNr">281 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L282" class="LineNr">282 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> -<span id="L283" class="LineNr">283 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 17</span> -<span id="L284" class="LineNr">284 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L281" class="LineNr">281 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L282" class="LineNr">282 </span> type <span class="Constant">[0]</span> +<span id="L283" class="LineNr">283 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 17</span> +<span id="L284" class="LineNr">284 </span> type <span class="Constant">[1]</span> <span id="L285" class="LineNr">285 </span> ] <span id="L286" class="LineNr">286 </span> run [ -<span id="L287" class="LineNr">287 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L288" class="LineNr">288 </span> <span class="Conceal">¦</span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> -<span id="L289" class="LineNr">289 </span> <span class="Conceal">¦</span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-column:offset</span> -<span id="L290" class="LineNr">290 </span> <span class="Conceal">¦</span> sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> -<span id="L291" class="LineNr">291 </span> <span class="Conceal">¦</span> 7:num/<span class="Special">raw</span> <span class="Special"><-</span> get *sandbox, <span class="Constant">cursor-column:offset</span> +<span id="L287" class="LineNr">287 </span> event-loop screen, console, env, resources +<span id="L288" class="LineNr">288 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> +<span id="L289" class="LineNr">289 </span> 5:num/<span class="Special">raw</span> <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-column:offset</span> +<span id="L290" class="LineNr">290 </span> sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> +<span id="L291" class="LineNr">291 </span> 7:num/<span class="Special">raw</span> <span class="Special"><-</span> get *sandbox, <span class="Constant">cursor-column:offset</span> <span id="L292" class="LineNr">292 </span> ] <span id="L293" class="LineNr">293 </span> screen-should-contain [ -<span id="L294" class="LineNr">294 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) . # this line has a different background, but we don't test that yet</span> -<span id="L295" class="LineNr">295 </span> <span class="Conceal">¦</span><span class="Constant"> .a0bc ╎d1ef .</span> -<span id="L296" class="LineNr">296 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎──────────────.</span> -<span id="L297" class="LineNr">297 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L298" class="LineNr">298 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L294" class="LineNr">294 </span> <span class="Constant"> . run (F4) . # this line has a different background, but we don't test that yet</span> +<span id="L295" class="LineNr">295 </span> <span class="Constant"> .a0bc ╎d1ef .</span> +<span id="L296" class="LineNr">296 </span> <span class="Constant"> . ╎──────────────.</span> +<span id="L297" class="LineNr">297 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L298" class="LineNr">298 </span> <span class="Constant"> . ╎ .</span> <span id="L299" class="LineNr">299 </span> ] <span id="L300" class="LineNr">300 </span> memory-should-contain [ -<span id="L301" class="LineNr">301 </span> <span class="Conceal">¦</span><span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor column of recipe editor</span> -<span id="L302" class="LineNr">302 </span> <span class="Conceal">¦</span><span class="Constant"> 7</span> <span class="Special"><-</span><span class="Constant"> 18</span> <span class="Comment"># cursor column of sandbox editor</span> +<span id="L301" class="LineNr">301 </span> <span class="Constant"> 5</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># cursor column of recipe editor</span> +<span id="L302" class="LineNr">302 </span> <span class="Constant"> 7</span> <span class="Special"><-</span><span class="Constant"> 18</span> <span class="Comment"># cursor column of sandbox editor</span> <span id="L303" class="LineNr">303 </span> ] <span id="L304" class="LineNr">304 </span> <span class="Comment"># show the cursor at the right window</span> <span id="L305" class="LineNr">305 </span> run [ -<span id="L306" class="LineNr">306 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L307" class="LineNr">307 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L306" class="LineNr">306 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L307" class="LineNr">307 </span> print screen, cursor <span id="L308" class="LineNr">308 </span> ] <span id="L309" class="LineNr">309 </span> screen-should-contain [ -<span id="L310" class="LineNr">310 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L311" class="LineNr">311 </span> <span class="Conceal">¦</span><span class="Constant"> .a0bc ╎d1␣f .</span> -<span id="L312" class="LineNr">312 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎──────────────.</span> -<span id="L313" class="LineNr">313 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L314" class="LineNr">314 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L310" class="LineNr">310 </span> <span class="Constant"> . run (F4) .</span> +<span id="L311" class="LineNr">311 </span> <span class="Constant"> .a0bc ╎d1␣f .</span> +<span id="L312" class="LineNr">312 </span> <span class="Constant"> . ╎──────────────.</span> +<span id="L313" class="LineNr">313 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L314" class="LineNr">314 </span> <span class="Constant"> . ╎ .</span> <span id="L315" class="LineNr">315 </span> ] <span id="L316" class="LineNr">316 </span>] <span id="L317" class="LineNr">317 </span> @@ -383,43 +382,43 @@ if ('onhashchange' in window) { <span id="L320" class="LineNr">320 </span> trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span> <span id="L321" class="LineNr">321 </span> assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span> <span id="L322" class="LineNr">322 </span> assume-resources [ -<span id="L323" class="LineNr">323 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L324" class="LineNr">324 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |abc|</span> -<span id="L325" class="LineNr">325 </span> <span class="Conceal">¦</span> ] +<span id="L323" class="LineNr">323 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L324" class="LineNr">324 </span><span class="Constant"> |abc|</span> +<span id="L325" class="LineNr">325 </span> ] <span id="L326" class="LineNr">326 </span> ] -<span id="L327" class="LineNr">327 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[def]</span> -<span id="L328" class="LineNr">328 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L327" class="LineNr">327 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[def]</span> +<span id="L328" class="LineNr">328 </span> render-all screen, env, render <span id="L329" class="LineNr">329 </span> <span class="Comment"># initialize programming environment and highlight cursor</span> <span id="L330" class="LineNr">330 </span> assume-console <span class="Constant">[]</span> <span id="L331" class="LineNr">331 </span> run [ -<span id="L332" class="LineNr">332 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L333" class="LineNr">333 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L334" class="LineNr">334 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L332" class="LineNr">332 </span> event-loop screen, console, env, resources +<span id="L333" class="LineNr">333 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L334" class="LineNr">334 </span> print screen, cursor <span id="L335" class="LineNr">335 </span> ] <span id="L336" class="LineNr">336 </span> <span class="Comment"># is cursor at the right place?</span> <span id="L337" class="LineNr">337 </span> screen-should-contain [ -<span id="L338" class="LineNr">338 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L339" class="LineNr">339 </span> <span class="Conceal">¦</span><span class="Constant"> .␣bc ╎def .</span> -<span id="L340" class="LineNr">340 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎──────────────.</span> -<span id="L341" class="LineNr">341 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L342" class="LineNr">342 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L338" class="LineNr">338 </span> <span class="Constant"> . run (F4) .</span> +<span id="L339" class="LineNr">339 </span> <span class="Constant"> .␣bc ╎def .</span> +<span id="L340" class="LineNr">340 </span> <span class="Constant"> . ╎──────────────.</span> +<span id="L341" class="LineNr">341 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L342" class="LineNr">342 </span> <span class="Constant"> . ╎ .</span> <span id="L343" class="LineNr">343 </span> ] <span id="L344" class="LineNr">344 </span> <span class="Comment"># now try typing a letter</span> <span id="L345" class="LineNr">345 </span> assume-console [ -<span id="L346" class="LineNr">346 </span> <span class="Conceal">¦</span> type <span class="Constant">[z]</span> +<span id="L346" class="LineNr">346 </span> type <span class="Constant">[z]</span> <span id="L347" class="LineNr">347 </span> ] <span id="L348" class="LineNr">348 </span> run [ -<span id="L349" class="LineNr">349 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L350" class="LineNr">350 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L351" class="LineNr">351 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L349" class="LineNr">349 </span> event-loop screen, console, env, resources +<span id="L350" class="LineNr">350 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L351" class="LineNr">351 </span> print screen, cursor <span id="L352" class="LineNr">352 </span> ] <span id="L353" class="LineNr">353 </span> <span class="Comment"># cursor should still be right</span> <span id="L354" class="LineNr">354 </span> screen-should-contain [ -<span id="L355" class="LineNr">355 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L356" class="LineNr">356 </span> <span class="Conceal">¦</span><span class="Constant"> .z␣bc ╎def .</span> -<span id="L357" class="LineNr">357 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎──────────────.</span> -<span id="L358" class="LineNr">358 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L359" class="LineNr">359 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L355" class="LineNr">355 </span> <span class="Constant"> . run (F4) .</span> +<span id="L356" class="LineNr">356 </span> <span class="Constant"> .z␣bc ╎def .</span> +<span id="L357" class="LineNr">357 </span> <span class="Constant"> . ╎──────────────.</span> +<span id="L358" class="LineNr">358 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L359" class="LineNr">359 </span> <span class="Constant"> . ╎ .</span> <span id="L360" class="LineNr">360 </span> ] <span id="L361" class="LineNr">361 </span>] <span id="L362" class="LineNr">362 </span> @@ -432,161 +431,161 @@ if ('onhashchange' in window) { <span id="L369" class="LineNr">369 </span> <span class="Comment"># initialize sandbox side with two lines</span> <span id="L370" class="LineNr">370 </span> test-sandbox-editor-contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L371" class="LineNr">371 </span><span class="Constant">def]</span> -<span id="L372" class="LineNr">372 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, test-sandbox-editor-contents -<span id="L373" class="LineNr">373 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L372" class="LineNr">372 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, test-sandbox-editor-contents +<span id="L373" class="LineNr">373 </span> render-all screen, env, render <span id="L374" class="LineNr">374 </span> screen-should-contain [ -<span id="L375" class="LineNr">375 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L376" class="LineNr">376 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎abc .</span> -<span id="L377" class="LineNr">377 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎def .</span> -<span id="L378" class="LineNr">378 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎──────────────.</span> -<span id="L379" class="LineNr">379 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L375" class="LineNr">375 </span> <span class="Constant"> . run (F4) .</span> +<span id="L376" class="LineNr">376 </span> <span class="Constant"> . ╎abc .</span> +<span id="L377" class="LineNr">377 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎def .</span> +<span id="L378" class="LineNr">378 </span> <span class="Constant"> . ╎──────────────.</span> +<span id="L379" class="LineNr">379 </span> <span class="Constant"> . ╎ .</span> <span id="L380" class="LineNr">380 </span> ] <span id="L381" class="LineNr">381 </span> <span class="Comment"># position cursor at start of second line and hit backspace</span> <span id="L382" class="LineNr">382 </span> assume-console [ -<span id="L383" class="LineNr">383 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 16</span> -<span id="L384" class="LineNr">384 </span> <span class="Conceal">¦</span> press backspace +<span id="L383" class="LineNr">383 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 16</span> +<span id="L384" class="LineNr">384 </span> press backspace <span id="L385" class="LineNr">385 </span> ] <span id="L386" class="LineNr">386 </span> run [ -<span id="L387" class="LineNr">387 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L388" class="LineNr">388 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L389" class="LineNr">389 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L387" class="LineNr">387 </span> event-loop screen, console, env, resources +<span id="L388" class="LineNr">388 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L389" class="LineNr">389 </span> print screen, cursor <span id="L390" class="LineNr">390 </span> ] <span id="L391" class="LineNr">391 </span> <span class="Comment"># cursor moves to end of old line</span> <span id="L392" class="LineNr">392 </span> screen-should-contain [ -<span id="L393" class="LineNr">393 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L394" class="LineNr">394 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎abc␣ef .</span> -<span id="L395" class="LineNr">395 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎──────────────.</span> -<span id="L396" class="LineNr">396 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L393" class="LineNr">393 </span> <span class="Constant"> . run (F4) .</span> +<span id="L394" class="LineNr">394 </span> <span class="Constant"> . ╎abc␣ef .</span> +<span id="L395" class="LineNr">395 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎──────────────.</span> +<span id="L396" class="LineNr">396 </span> <span class="Constant"> . ╎ .</span> <span id="L397" class="LineNr">397 </span> ] <span id="L398" class="LineNr">398 </span>] <span id="L399" class="LineNr">399 </span> -<span id="L400" class="LineNr">400 </span><span class="muData">type</span> <a href='004-programming-environment.mu.html#L400'>render-recipe</a> = (recipe (address screen) (address editor)<span class="muRecipe"> -> </span>number number (address screen) (address editor)) +<span id="L400" class="LineNr">400 </span><span class="muData">type</span> render-recipe = (recipe (address screen) (address editor)<span class="muRecipe"> -> </span>number number (address screen) (address editor)) <span id="L401" class="LineNr">401 </span> -<span id="L402" class="LineNr">402 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment, render-editor:<a href='004-programming-environment.mu.html#L400'>render-recipe</a><span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment [ +<span id="L402" class="LineNr">402 </span><span class="muRecipe">def</span> render-all screen:&:screen, env:&:environment, render-editor:render-recipe<span class="muRecipe"> -> </span>screen:&:screen, env:&:environment [ <span id="L403" class="LineNr">403 </span> <span class="Constant">local-scope</span> <span id="L404" class="LineNr">404 </span> <span class="Constant">load-inputs</span> <span id="L405" class="LineNr">405 </span> trace<span class="Constant"> 10</span>, <span class="Constant">[app]</span>, <span class="Constant">[render all]</span> <span id="L406" class="LineNr">406 </span> <span class="Comment"># top menu</span> <span id="L407" class="LineNr">407 </span> trace<span class="Constant"> 11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render top menu]</span> -<span id="L408" class="LineNr">408 </span> width:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> <a href='../081print.mu.html#L16'>screen</a> -<span id="L409" class="LineNr">409 </span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>,<span class="Constant"> 0</span>, <span class="Constant">0/left</span>, width, <span class="Constant">32/space</span>, <span class="Constant">0/black</span>, <span class="Constant">238/grey</span> +<span id="L408" class="LineNr">408 </span> width:num <span class="Special"><-</span> screen-width screen +<span id="L409" class="LineNr">409 </span> draw-horizontal screen,<span class="Constant"> 0</span>, <span class="Constant">0/left</span>, width, <span class="Constant">32/space</span>, <span class="Constant">0/black</span>, <span class="Constant">238/grey</span> <span id="L410" class="LineNr">410 </span> button-start:num <span class="Special"><-</span> subtract width,<span class="Constant"> 20</span> <span id="L411" class="LineNr">411 </span> button-on-screen?:bool <span class="Special"><-</span> greater-or-equal button-start,<span class="Constant"> 0</span> <span id="L412" class="LineNr">412 </span> assert button-on-screen?, <span class="Constant">[screen too narrow for menu]</span> -<span id="L413" class="LineNr">413 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">0/row</span>, button-start -<span id="L414" class="LineNr">414 </span> print <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[ run (F4) ]</span>, <span class="Constant">255/white</span>, <span class="Constant">161/reddish</span> +<span id="L413" class="LineNr">413 </span> screen <span class="Special"><-</span> move-cursor screen, <span class="Constant">0/row</span>, button-start +<span id="L414" class="LineNr">414 </span> print screen, <span class="Constant">[ run (F4) ]</span>, <span class="Constant">255/white</span>, <span class="Constant">161/reddish</span> <span id="L415" class="LineNr">415 </span> <span class="Comment"># dotted line down the middle</span> <span id="L416" class="LineNr">416 </span> trace<span class="Constant"> 11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render divider]</span> <span id="L417" class="LineNr">417 </span> divider:num, _ <span class="Special"><-</span> divide-with-remainder width,<span class="Constant"> 2</span> -<span id="L418" class="LineNr">418 </span> height:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> -<span id="L419" class="LineNr">419 </span> <a href='004-programming-environment.mu.html#L506'>draw-vertical</a> <a href='../081print.mu.html#L16'>screen</a>, divider, <span class="Constant">1/top</span>, height, <span class="Constant">9482/vertical-dotted</span> +<span id="L418" class="LineNr">418 </span> height:num <span class="Special"><-</span> screen-height screen +<span id="L419" class="LineNr">419 </span> draw-vertical screen, divider, <span class="Constant">1/top</span>, height, <span class="Constant">9482/vertical-dotted</span> <span id="L420" class="LineNr">420 </span> <span class="Comment">#</span> -<span id="L421" class="LineNr">421 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L431'>render-recipes</a> <a href='../081print.mu.html#L16'>screen</a>, env, render-editor -<span id="L422" class="LineNr">422 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, render-editor -<span id="L423" class="LineNr">423 </span> <span class="Constant"><a href='004-programming-environment.mu.html#L423'><end-render-components></a></span> <span class="Comment"># no early returns permitted</span> +<span id="L421" class="LineNr">421 </span> screen <span class="Special"><-</span> render-recipes screen, env, render-editor +<span id="L422" class="LineNr">422 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render-editor +<span id="L423" class="LineNr">423 </span> <span class="Constant"><end-render-components></span> <span class="Comment"># no early returns permitted</span> <span id="L424" class="LineNr">424 </span> <span class="Comment">#</span> <span id="L425" class="LineNr">425 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> <span id="L426" class="LineNr">426 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L427" class="LineNr">427 </span> sandbox-in-focus?:bool <span class="Special"><-</span> get *env, <span class="Constant">sandbox-in-focus?:offset</span> -<span id="L428" class="LineNr">428 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L428" class="LineNr">428 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env <span id="L429" class="LineNr">429 </span>] <span id="L430" class="LineNr">430 </span> -<span id="L431" class="LineNr">431 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L431'>render-recipes</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment, render-editor:<a href='004-programming-environment.mu.html#L400'>render-recipe</a><span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment [ +<span id="L431" class="LineNr">431 </span><span class="muRecipe">def</span> render-recipes screen:&:screen, env:&:environment, render-editor:render-recipe<span class="muRecipe"> -> </span>screen:&:screen, env:&:environment [ <span id="L432" class="LineNr">432 </span> <span class="Constant">local-scope</span> <span id="L433" class="LineNr">433 </span> <span class="Constant">load-inputs</span> <span id="L434" class="LineNr">434 </span> trace<span class="Constant"> 11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render recipes]</span> -<span id="L435" class="LineNr">435 </span> old-top-idx:num <span class="Special"><-</span> <a href='../081print.mu.html#L509'>save-top-idx</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L435" class="LineNr">435 </span> old-top-idx:num <span class="Special"><-</span> save-top-idx screen <span id="L436" class="LineNr">436 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> <span id="L437" class="LineNr">437 </span> <span class="Comment"># render recipes</span> <span id="L438" class="LineNr">438 </span> left:num <span class="Special"><-</span> get *recipes, <span class="Constant">left:offset</span> <span id="L439" class="LineNr">439 </span> right:num <span class="Special"><-</span> get *recipes, <span class="Constant">right:offset</span> -<span id="L440" class="LineNr">440 </span> row:num, column:num, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> call render-editor, <a href='../081print.mu.html#L16'>screen</a>, recipes -<span id="L441" class="LineNr">441 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right +<span id="L440" class="LineNr">440 </span> row:num, column:num, screen <span class="Special"><-</span> call render-editor, screen, recipes +<span id="L441" class="LineNr">441 </span> clear-line-until screen, right <span id="L442" class="LineNr">442 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L443" class="LineNr">443 </span><span class="Constant"> <a href='004-programming-environment.mu.html#L443'><end-render-recipe-components></a></span> +<span id="L443" class="LineNr">443 </span><span class="Constant"> <end-render-recipe-components></span> <span id="L444" class="LineNr">444 </span> <span class="Comment"># draw dotted line after recipes</span> -<span id="L445" class="LineNr">445 </span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right, <span class="Constant">9480/horizontal-dotted</span> +<span id="L445" class="LineNr">445 </span> draw-horizontal screen, row, left, right, <span class="Constant">9480/horizontal-dotted</span> <span id="L446" class="LineNr">446 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L447" class="LineNr">447 </span> <a href='001-editor.mu.html#L207'>clear-screen-from</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, left, right +<span id="L447" class="LineNr">447 </span> clear-screen-from screen, row, left, left, right <span id="L448" class="LineNr">448 </span> <span class="Comment">#</span> -<span id="L449" class="LineNr">449 </span> <a href='../081print.mu.html#L515'>assert-no-scroll</a> <a href='../081print.mu.html#L16'>screen</a>, old-top-idx +<span id="L449" class="LineNr">449 </span> assert-no-scroll screen, old-top-idx <span id="L450" class="LineNr">450 </span>] <span id="L451" class="LineNr">451 </span> <span id="L452" class="LineNr">452 </span><span class="Comment"># replaced in a later layer</span> -<span id="L453" class="LineNr">453 </span><span class="muRecipe">def</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment, render-editor:<a href='004-programming-environment.mu.html#L400'>render-recipe</a><span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment [ +<span id="L453" class="LineNr">453 </span><span class="muRecipe">def</span> render-sandbox-side screen:&:screen, env:&:environment, render-editor:render-recipe<span class="muRecipe"> -> </span>screen:&:screen, env:&:environment [ <span id="L454" class="LineNr">454 </span> <span class="Constant">local-scope</span> <span id="L455" class="LineNr">455 </span> <span class="Constant">load-inputs</span> <span id="L456" class="LineNr">456 </span> trace<span class="Constant"> 11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render sandboxes]</span> -<span id="L457" class="LineNr">457 </span> old-top-idx:num <span class="Special"><-</span> <a href='../081print.mu.html#L509'>save-top-idx</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L457" class="LineNr">457 </span> old-top-idx:num <span class="Special"><-</span> save-top-idx screen <span id="L458" class="LineNr">458 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L459" class="LineNr">459 </span> left:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> <span id="L460" class="LineNr">460 </span> right:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">right:offset</span> -<span id="L461" class="LineNr">461 </span> row:num, column:num, <a href='../081print.mu.html#L16'>screen</a>, current-sandbox <span class="Special"><-</span> call render-editor, <a href='../081print.mu.html#L16'>screen</a>, current-sandbox -<span id="L462" class="LineNr">462 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right +<span id="L461" class="LineNr">461 </span> row:num, column:num, screen, current-sandbox <span class="Special"><-</span> call render-editor, screen, current-sandbox +<span id="L462" class="LineNr">462 </span> clear-line-until screen, right <span id="L463" class="LineNr">463 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> <span id="L464" class="LineNr">464 </span> <span class="Comment"># draw solid line after code (you'll see why in later layers)</span> -<span id="L465" class="LineNr">465 </span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right +<span id="L465" class="LineNr">465 </span> draw-horizontal screen, row, left, right <span id="L466" class="LineNr">466 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L467" class="LineNr">467 </span> <a href='001-editor.mu.html#L207'>clear-screen-from</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, left, right +<span id="L467" class="LineNr">467 </span> clear-screen-from screen, row, left, left, right <span id="L468" class="LineNr">468 </span> <span class="Comment">#</span> -<span id="L469" class="LineNr">469 </span> <a href='../081print.mu.html#L515'>assert-no-scroll</a> <a href='../081print.mu.html#L16'>screen</a>, old-top-idx +<span id="L469" class="LineNr">469 </span> assert-no-scroll screen, old-top-idx <span id="L470" class="LineNr">470 </span>] <span id="L471" class="LineNr">471 </span> -<span id="L472" class="LineNr">472 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, recipes:&:editor, current-sandbox:&:editor, sandbox-in-focus?:bool, env:&:environment<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L472" class="LineNr">472 </span><span class="muRecipe">def</span> update-cursor screen:&:screen, recipes:&:editor, current-sandbox:&:editor, sandbox-in-focus?:bool, env:&:environment<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L473" class="LineNr">473 </span> <span class="Constant">local-scope</span> <span id="L474" class="LineNr">474 </span> <span class="Constant">load-inputs</span> -<span id="L475" class="LineNr">475 </span><span class="Constant"> <a href='004-programming-environment.mu.html#L475'><update-cursor-special-cases></a></span> +<span id="L475" class="LineNr">475 </span><span class="Constant"> <update-cursor-special-cases></span> <span id="L476" class="LineNr">476 </span> <span class="Delimiter">{</span> -<span id="L477" class="LineNr">477 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> sandbox-in-focus? -<span id="L478" class="LineNr">478 </span> <span class="Conceal">¦</span> cursor-row:num <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-row:offset</span> -<span id="L479" class="LineNr">479 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-column:offset</span> +<span id="L477" class="LineNr">477 </span> <span class="muControl">break-if</span> sandbox-in-focus? +<span id="L478" class="LineNr">478 </span> cursor-row:num <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-row:offset</span> +<span id="L479" class="LineNr">479 </span> cursor-column:num <span class="Special"><-</span> get *recipes, <span class="Constant">cursor-column:offset</span> <span id="L480" class="LineNr">480 </span> <span class="Delimiter">}</span> <span id="L481" class="LineNr">481 </span> <span class="Delimiter">{</span> -<span id="L482" class="LineNr">482 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-in-focus? -<span id="L483" class="LineNr">483 </span> <span class="Conceal">¦</span> cursor-row:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">cursor-row:offset</span> -<span id="L484" class="LineNr">484 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">cursor-column:offset</span> +<span id="L482" class="LineNr">482 </span> <span class="muControl">break-unless</span> sandbox-in-focus? +<span id="L483" class="LineNr">483 </span> cursor-row:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">cursor-row:offset</span> +<span id="L484" class="LineNr">484 </span> cursor-column:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">cursor-column:offset</span> <span id="L485" class="LineNr">485 </span> <span class="Delimiter">}</span> -<span id="L486" class="LineNr">486 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, cursor-row, cursor-column +<span id="L486" class="LineNr">486 </span> screen <span class="Special"><-</span> move-cursor screen, cursor-row, cursor-column <span id="L487" class="LineNr">487 </span>] <span id="L488" class="LineNr">488 </span> <span id="L489" class="LineNr">489 </span><span class="Comment"># ctrl-n - switch focus</span> <span id="L490" class="LineNr">490 </span><span class="Comment"># todo: test this</span> <span id="L491" class="LineNr">491 </span> -<span id="L492" class="LineNr">492 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L67'><global-type></a></span> [ +<span id="L492" class="LineNr">492 </span><span class="muRecipe">after</span> <span class="Constant"><global-type></span> [ <span id="L493" class="LineNr">493 </span> <span class="Delimiter">{</span> -<span id="L494" class="LineNr">494 </span> <span class="Conceal">¦</span> switch-side?:bool <span class="Special"><-</span> equal c, <span class="Constant">14/ctrl-n</span> -<span id="L495" class="LineNr">495 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> switch-side? -<span id="L496" class="LineNr">496 </span> <span class="Conceal">¦</span> sandbox-in-focus?:bool <span class="Special"><-</span> get *env, <span class="Constant">sandbox-in-focus?:offset</span> -<span id="L497" class="LineNr">497 </span> <span class="Conceal">¦</span> sandbox-in-focus? <span class="Special"><-</span> not sandbox-in-focus? -<span id="L498" class="LineNr">498 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, sandbox-in-focus? -<span id="L499" class="LineNr">499 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L500" class="LineNr">500 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L494" class="LineNr">494 </span> switch-side?:bool <span class="Special"><-</span> equal c, <span class="Constant">14/ctrl-n</span> +<span id="L495" class="LineNr">495 </span> <span class="muControl">break-unless</span> switch-side? +<span id="L496" class="LineNr">496 </span> sandbox-in-focus?:bool <span class="Special"><-</span> get *env, <span class="Constant">sandbox-in-focus?:offset</span> +<span id="L497" class="LineNr">497 </span> sandbox-in-focus? <span class="Special"><-</span> not sandbox-in-focus? +<span id="L498" class="LineNr">498 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, sandbox-in-focus? +<span id="L499" class="LineNr">499 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L500" class="LineNr">500 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L501" class="LineNr">501 </span> <span class="Delimiter">}</span> <span id="L502" class="LineNr">502 </span>] <span id="L503" class="LineNr">503 </span> <span id="L504" class="LineNr">504 </span><span class="SalientComment">## helpers</span> <span id="L505" class="LineNr">505 </span> -<span id="L506" class="LineNr">506 </span><span class="muRecipe">def</span> <a href='004-programming-environment.mu.html#L506'>draw-vertical</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, col:num, y:num, bottom:num<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L506" class="LineNr">506 </span><span class="muRecipe">def</span> draw-vertical screen:&:screen, col:num, y:num, bottom:num<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L507" class="LineNr">507 </span> <span class="Constant">local-scope</span> <span id="L508" class="LineNr">508 </span> <span class="Constant">load-inputs</span> <span id="L509" class="LineNr">509 </span> style:char, style-found?:bool <span class="Special"><-</span> <span class="Constant">next-input</span> <span id="L510" class="LineNr">510 </span> <span class="Delimiter">{</span> -<span id="L511" class="LineNr">511 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> style-found? -<span id="L512" class="LineNr">512 </span> <span class="Conceal">¦</span> style <span class="Special"><-</span> copy <span class="Constant">9474/vertical</span> +<span id="L511" class="LineNr">511 </span> <span class="muControl">break-if</span> style-found? +<span id="L512" class="LineNr">512 </span> style <span class="Special"><-</span> copy <span class="Constant">9474/vertical</span> <span id="L513" class="LineNr">513 </span> <span class="Delimiter">}</span> <span id="L514" class="LineNr">514 </span> color:num, color-found?:bool <span class="Special"><-</span> <span class="Constant">next-input</span> <span id="L515" class="LineNr">515 </span> <span class="Delimiter">{</span> -<span id="L516" class="LineNr">516 </span> <span class="Conceal">¦</span> <span class="Comment"># default color to white</span> -<span id="L517" class="LineNr">517 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> color-found? -<span id="L518" class="LineNr">518 </span> <span class="Conceal">¦</span> color <span class="Special"><-</span> copy <span class="Constant">245/grey</span> +<span id="L516" class="LineNr">516 </span> <span class="Comment"># default color to white</span> +<span id="L517" class="LineNr">517 </span> <span class="muControl">break-if</span> color-found? +<span id="L518" class="LineNr">518 </span> color <span class="Special"><-</span> copy <span class="Constant">245/grey</span> <span id="L519" class="LineNr">519 </span> <span class="Delimiter">}</span> <span id="L520" class="LineNr">520 </span> <span class="Delimiter">{</span> -<span id="L521" class="LineNr">521 </span> <span class="Conceal">¦</span> continue?:bool <span class="Special"><-</span> lesser-than y, bottom -<span id="L522" class="LineNr">522 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> continue? -<span id="L523" class="LineNr">523 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, y, col -<span id="L524" class="LineNr">524 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, style, color -<span id="L525" class="LineNr">525 </span> <span class="Conceal">¦</span> y <span class="Special"><-</span> add y,<span class="Constant"> 1</span> -<span id="L526" class="LineNr">526 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L521" class="LineNr">521 </span> continue?:bool <span class="Special"><-</span> lesser-than y, bottom +<span id="L522" class="LineNr">522 </span> <span class="muControl">break-unless</span> continue? +<span id="L523" class="LineNr">523 </span> screen <span class="Special"><-</span> move-cursor screen, y, col +<span id="L524" class="LineNr">524 </span> print screen, style, color +<span id="L525" class="LineNr">525 </span> y <span class="Special"><-</span> add y,<span class="Constant"> 1</span> +<span id="L526" class="LineNr">526 </span> <span class="muControl"> loop</span> <span id="L527" class="LineNr">527 </span> <span class="Delimiter">}</span> <span id="L528" class="LineNr">528 </span>] <span id="L529" class="LineNr">529 </span> @@ -598,20 +597,20 @@ if ('onhashchange' in window) { <span id="L535" class="LineNr">535 </span> assume-resources [ <span id="L536" class="LineNr">536 </span> ] <span id="L537" class="LineNr">537 </span> <span class="Comment"># sandbox editor contains an instruction without storing outputs</span> -<span id="L538" class="LineNr">538 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> +<span id="L538" class="LineNr">538 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> <span id="L539" class="LineNr">539 </span> <span class="Comment"># run the code in the editors</span> <span id="L540" class="LineNr">540 </span> assume-console [ -<span id="L541" class="LineNr">541 </span> <span class="Conceal">¦</span> type <span class="Constant">[a]</span> -<span id="L542" class="LineNr">542 </span> <span class="Conceal">¦</span> press backspace +<span id="L541" class="LineNr">541 </span> type <span class="Constant">[a]</span> +<span id="L542" class="LineNr">542 </span> press backspace <span id="L543" class="LineNr">543 </span> ] <span id="L544" class="LineNr">544 </span> run [ -<span id="L545" class="LineNr">545 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L546" class="LineNr">546 </span> <span class="Conceal">¦</span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *screen, <span class="Constant">cursor-row:offset</span> -<span id="L547" class="LineNr">547 </span> <span class="Conceal">¦</span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *screen, <span class="Constant">cursor-column:offset</span> +<span id="L545" class="LineNr">545 </span> event-loop screen, console, env, resources +<span id="L546" class="LineNr">546 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *screen, <span class="Constant">cursor-row:offset</span> +<span id="L547" class="LineNr">547 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> get *screen, <span class="Constant">cursor-column:offset</span> <span id="L548" class="LineNr">548 </span> ] <span id="L549" class="LineNr">549 </span> memory-should-contain [ -<span id="L550" class="LineNr">550 </span> <span class="Conceal">¦</span><span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L551" class="LineNr">551 </span> <span class="Conceal">¦</span><span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L550" class="LineNr">550 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L551" class="LineNr">551 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L552" class="LineNr">552 </span> ] <span id="L553" class="LineNr">553 </span>] </pre> diff --git a/html/edit/005-sandbox.mu.html b/html/edit/005-sandbox.mu.html index d46cf41e..82827113 100644 --- a/html/edit/005-sandbox.mu.html +++ b/html/edit/005-sandbox.mu.html @@ -15,18 +15,17 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.muData { color: #ffff00; } .LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } -.Conceal { color: #4e4e4e; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -73,11 +72,11 @@ if ('onhashchange' in window) { <span id="L10" class="LineNr"> 10 </span><span class="muRecipe">def!</span> main [ <span id="L11" class="LineNr"> 11 </span> <span class="Constant">local-scope</span> <span id="L12" class="LineNr"> 12 </span> open-console -<span id="L13" class="LineNr"> 13 </span> <a href='../081print.mu.html#L46'>clear-screen</a> <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> -<span id="L14" class="LineNr"> 14 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <span class="Constant">0/filesystem</span>, <span class="Constant">0/screen</span> -<span id="L15" class="LineNr"> 15 </span> env <span class="Special"><-</span> <a href='005-sandbox.mu.html#L475'>restore-sandboxes</a> env, <span class="Constant">0/filesystem</span> -<span id="L16" class="LineNr"> 16 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <span class="Constant">0/screen</span>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L17" class="LineNr"> 17 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, env, <span class="Constant">0/filesystem</span> +<span id="L13" class="LineNr"> 13 </span> clear-screen <span class="Constant">0/screen</span> <span class="Comment"># non-scrolling app</span> +<span id="L14" class="LineNr"> 14 </span> env:&:environment <span class="Special"><-</span> new-programming-environment <span class="Constant">0/filesystem</span>, <span class="Constant">0/screen</span> +<span id="L15" class="LineNr"> 15 </span> env <span class="Special"><-</span> restore-sandboxes env, <span class="Constant">0/filesystem</span> +<span id="L16" class="LineNr"> 16 </span> render-all <span class="Constant">0/screen</span>, env, render +<span id="L17" class="LineNr"> 17 </span> event-loop <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, env, <span class="Constant">0/filesystem</span> <span id="L18" class="LineNr"> 18 </span>] <span id="L19" class="LineNr"> 19 </span> <span id="L20" class="LineNr"> 20 </span><span class="muData">container</span> environment [ @@ -86,7 +85,7 @@ if ('onhashchange' in window) { <span id="L23" class="LineNr"> 23 </span> number-of-sandboxes:num <span id="L24" class="LineNr"> 24 </span>] <span id="L25" class="LineNr"> 25 </span> -<span id="L26" class="LineNr"> 26 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L36'><programming-environment-initialization></a></span> [ +<span id="L26" class="LineNr"> 26 </span><span class="muRecipe">after</span> <span class="Constant"><programming-environment-initialization></span> [ <span id="L27" class="LineNr"> 27 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">render-from:offset</span>,<span class="Constant"> -1</span> <span id="L28" class="LineNr"> 28 </span>] <span id="L29" class="LineNr"> 29 </span> @@ -97,7 +96,7 @@ if ('onhashchange' in window) { <span id="L34" class="LineNr"> 34 </span> <span class="Comment"># constraint: will be 0 for sandboxes at positions before env.render-from</span> <span id="L35" class="LineNr"> 35 </span> starting-row-on-screen:num <span id="L36" class="LineNr"> 36 </span> code-ending-row-on-screen:num <span class="Comment"># past end of code</span> -<span id="L37" class="LineNr"> 37 </span> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> <span class="Comment"># prints in the sandbox go here</span> +<span id="L37" class="LineNr"> 37 </span> screen:&:screen <span class="Comment"># prints in the sandbox go here</span> <span id="L38" class="LineNr"> 38 </span> next-sandbox:&:sandbox <span id="L39" class="LineNr"> 39 </span>] <span id="L40" class="LineNr"> 40 </span> @@ -109,160 +108,160 @@ if ('onhashchange' in window) { <span id="L46" class="LineNr"> 46 </span> assume-resources [ <span id="L47" class="LineNr"> 47 </span> ] <span id="L48" class="LineNr"> 48 </span> <span class="Comment"># sandbox editor contains an instruction without storing outputs</span> -<span id="L49" class="LineNr"> 49 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[divide-with-remainder 11, 3]</span> -<span id="L50" class="LineNr"> 50 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L49" class="LineNr"> 49 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[divide-with-remainder 11, 3]</span> +<span id="L50" class="LineNr"> 50 </span> render-all screen, env, render <span id="L51" class="LineNr"> 51 </span> <span class="Comment"># run the code in the editors</span> <span id="L52" class="LineNr"> 52 </span> assume-console [ -<span id="L53" class="LineNr"> 53 </span> <span class="Conceal">¦</span> press F4 +<span id="L53" class="LineNr"> 53 </span> press F4 <span id="L54" class="LineNr"> 54 </span> ] <span id="L55" class="LineNr"> 55 </span> run [ -<span id="L56" class="LineNr"> 56 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L56" class="LineNr"> 56 </span> event-loop screen, console, env, resources <span id="L57" class="LineNr"> 57 </span> ] <span id="L58" class="LineNr"> 58 </span> <span class="Comment"># check that screen prints the results</span> <span id="L59" class="LineNr"> 59 </span> screen-should-contain [ -<span id="L60" class="LineNr"> 60 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L61" class="LineNr"> 61 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L62" class="LineNr"> 62 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L63" class="LineNr"> 63 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L64" class="LineNr"> 64 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎divide-with-remainder 11, 3 .</span> -<span id="L65" class="LineNr"> 65 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎3 .</span> -<span id="L66" class="LineNr"> 66 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L67" class="LineNr"> 67 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L68" class="LineNr"> 68 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L60" class="LineNr"> 60 </span> <span class="Constant"> . run (F4) .</span> +<span id="L61" class="LineNr"> 61 </span> <span class="Constant"> . ╎ .</span> +<span id="L62" class="LineNr"> 62 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L63" class="LineNr"> 63 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L64" class="LineNr"> 64 </span> <span class="Constant"> . ╎divide-with-remainder 11, 3 .</span> +<span id="L65" class="LineNr"> 65 </span> <span class="Constant"> . ╎3 .</span> +<span id="L66" class="LineNr"> 66 </span> <span class="Constant"> . ╎2 .</span> +<span id="L67" class="LineNr"> 67 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L68" class="LineNr"> 68 </span> <span class="Constant"> . ╎ .</span> <span id="L69" class="LineNr"> 69 </span> ] <span id="L70" class="LineNr"> 70 </span> screen-should-contain-in-color <span class="Constant">7/white</span>, [ -<span id="L71" class="LineNr"> 71 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L72" class="LineNr"> 72 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L75" class="LineNr"> 75 </span> <span class="Conceal">¦</span><span class="Constant"> . divide-with-remainder 11, 3 .</span> -<span id="L76" class="LineNr"> 76 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L77" class="LineNr"> 77 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L78" class="LineNr"> 78 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L79" class="LineNr"> 79 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L71" class="LineNr"> 71 </span> <span class="Constant"> . .</span> +<span id="L72" class="LineNr"> 72 </span> <span class="Constant"> . .</span> +<span id="L73" class="LineNr"> 73 </span> <span class="Constant"> . .</span> +<span id="L74" class="LineNr"> 74 </span> <span class="Constant"> . .</span> +<span id="L75" class="LineNr"> 75 </span> <span class="Constant"> . divide-with-remainder 11, 3 .</span> +<span id="L76" class="LineNr"> 76 </span> <span class="Constant"> . .</span> +<span id="L77" class="LineNr"> 77 </span> <span class="Constant"> . .</span> +<span id="L78" class="LineNr"> 78 </span> <span class="Constant"> . .</span> +<span id="L79" class="LineNr"> 79 </span> <span class="Constant"> . .</span> <span id="L80" class="LineNr"> 80 </span> ] <span id="L81" class="LineNr"> 81 </span> screen-should-contain-in-color <span class="Constant">245/grey</span>, [ -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L84" class="LineNr"> 84 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎3 .</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L89" class="LineNr"> 89 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L90" class="LineNr"> 90 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L82" class="LineNr"> 82 </span> <span class="Constant"> . .</span> +<span id="L83" class="LineNr"> 83 </span> <span class="Constant"> . ╎ .</span> +<span id="L84" class="LineNr"> 84 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Constant"> . ╎ .</span> +<span id="L86" class="LineNr"> 86 </span> <span class="Constant"> . ╎ .</span> +<span id="L87" class="LineNr"> 87 </span> <span class="Constant"> . ╎3 .</span> +<span id="L88" class="LineNr"> 88 </span> <span class="Constant"> . ╎2 .</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L90" class="LineNr"> 90 </span> <span class="Constant"> . ╎ .</span> <span id="L91" class="LineNr"> 91 </span> ] <span id="L92" class="LineNr"> 92 </span> <span class="Comment"># sandbox menu in reverse video</span> <span id="L93" class="LineNr"> 93 </span> screen-should-contain-in-color <span class="Constant">232/black</span>, [ -<span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L96" class="LineNr"> 96 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L97" class="LineNr"> 97 </span> <span class="Conceal">¦</span><span class="Constant"> . 0 edit copy to recipe delete .</span> +<span id="L94" class="LineNr"> 94 </span> <span class="Constant"> . .</span> +<span id="L95" class="LineNr"> 95 </span> <span class="Constant"> . .</span> +<span id="L96" class="LineNr"> 96 </span> <span class="Constant"> . .</span> +<span id="L97" class="LineNr"> 97 </span> <span class="Constant"> . 0 edit copy to recipe delete .</span> <span id="L98" class="LineNr"> 98 </span> ] <span id="L99" class="LineNr"> 99 </span> <span class="Comment"># run another command</span> <span id="L100" class="LineNr"> 100 </span> assume-console [ -<span id="L101" class="LineNr"> 101 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 80</span> -<span id="L102" class="LineNr"> 102 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L103" class="LineNr"> 103 </span> <span class="Conceal">¦</span> press F4 +<span id="L101" class="LineNr"> 101 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 80</span> +<span id="L102" class="LineNr"> 102 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L103" class="LineNr"> 103 </span> press F4 <span id="L104" class="LineNr"> 104 </span> ] <span id="L105" class="LineNr"> 105 </span> run [ -<span id="L106" class="LineNr"> 106 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L106" class="LineNr"> 106 </span> event-loop screen, console, env, resources <span id="L107" class="LineNr"> 107 </span> ] <span id="L108" class="LineNr"> 108 </span> <span class="Comment"># check that screen prints both sandboxes</span> <span id="L109" class="LineNr"> 109 </span> screen-should-contain [ -<span id="L110" class="LineNr"> 110 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L111" class="LineNr"> 111 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L112" class="LineNr"> 112 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L113" class="LineNr"> 113 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L114" class="LineNr"> 114 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L115" class="LineNr"> 115 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L116" class="LineNr"> 116 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L117" class="LineNr"> 117 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L118" class="LineNr"> 118 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎divide-with-remainder 11, 3 .</span> -<span id="L119" class="LineNr"> 119 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎3 .</span> -<span id="L120" class="LineNr"> 120 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L121" class="LineNr"> 121 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L122" class="LineNr"> 122 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L110" class="LineNr"> 110 </span> <span class="Constant"> . run (F4) .</span> +<span id="L111" class="LineNr"> 111 </span> <span class="Constant"> . ╎ .</span> +<span id="L112" class="LineNr"> 112 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L113" class="LineNr"> 113 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L114" class="LineNr"> 114 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L115" class="LineNr"> 115 </span> <span class="Constant"> . ╎4 .</span> +<span id="L116" class="LineNr"> 116 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L117" class="LineNr"> 117 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L118" class="LineNr"> 118 </span> <span class="Constant"> . ╎divide-with-remainder 11, 3 .</span> +<span id="L119" class="LineNr"> 119 </span> <span class="Constant"> . ╎3 .</span> +<span id="L120" class="LineNr"> 120 </span> <span class="Constant"> . ╎2 .</span> +<span id="L121" class="LineNr"> 121 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L122" class="LineNr"> 122 </span> <span class="Constant"> . ╎ .</span> <span id="L123" class="LineNr"> 123 </span> ] <span id="L124" class="LineNr"> 124 </span>] <span id="L125" class="LineNr"> 125 </span> -<span id="L126" class="LineNr"> 126 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L62'><global-keypress></a></span> [ +<span id="L126" class="LineNr"> 126 </span><span class="muRecipe">after</span> <span class="Constant"><global-keypress></span> [ <span id="L127" class="LineNr"> 127 </span> <span class="Comment"># F4? load all code and run all sandboxes.</span> <span id="L128" class="LineNr"> 128 </span> <span class="Delimiter">{</span> -<span id="L129" class="LineNr"> 129 </span> <span class="Conceal">¦</span> do-run?:bool <span class="Special"><-</span> equal k, <span class="Constant">65532/F4</span> -<span id="L130" class="LineNr"> 130 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> do-run? -<span id="L131" class="LineNr"> 131 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L217'>update-status</a> <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[running... ]</span>, <span class="Constant">245/grey</span> -<span id="L132" class="LineNr"> 132 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='005-sandbox.mu.html#L132'><begin-run-sandboxes-on-F4></a></span> -<span id="L133" class="LineNr"> 133 </span> <span class="Conceal">¦</span> error?:bool <span class="Special"><-</span> <a href='005-sandbox.mu.html#L146'>run-sandboxes</a> env, <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a> -<span id="L134" class="LineNr"> 134 </span> <span class="Conceal">¦</span> <span class="Comment"># we could just render-all, but we do some work to minimize the number of prints to screen</span> -<span id="L135" class="LineNr"> 135 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='005-sandbox.mu.html#L135'><end-run-sandboxes-on-F4></a></span> -<span id="L136" class="LineNr"> 136 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L137" class="LineNr"> 137 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L138" class="LineNr"> 138 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> error? -<span id="L139" class="LineNr"> 139 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L217'>update-status</a> <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[ ]</span>, <span class="Constant">245/grey</span> -<span id="L140" class="LineNr"> 140 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L141" class="LineNr"> 141 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L142" class="LineNr"> 142 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L129" class="LineNr"> 129 </span> do-run?:bool <span class="Special"><-</span> equal k, <span class="Constant">65532/F4</span> +<span id="L130" class="LineNr"> 130 </span> <span class="muControl">break-unless</span> do-run? +<span id="L131" class="LineNr"> 131 </span> screen <span class="Special"><-</span> update-status screen, <span class="Constant">[running... ]</span>, <span class="Constant">245/grey</span> +<span id="L132" class="LineNr"> 132 </span><span class="Constant"> <begin-run-sandboxes-on-F4></span> +<span id="L133" class="LineNr"> 133 </span> error?:bool <span class="Special"><-</span> run-sandboxes env, resources, screen +<span id="L134" class="LineNr"> 134 </span> <span class="Comment"># we could just render-all, but we do some work to minimize the number of prints to screen</span> +<span id="L135" class="LineNr"> 135 </span><span class="Constant"> <end-run-sandboxes-on-F4></span> +<span id="L136" class="LineNr"> 136 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L137" class="LineNr"> 137 </span> <span class="Delimiter">{</span> +<span id="L138" class="LineNr"> 138 </span> <span class="muControl">break-if</span> error? +<span id="L139" class="LineNr"> 139 </span> screen <span class="Special"><-</span> update-status screen, <span class="Constant">[ ]</span>, <span class="Constant">245/grey</span> +<span id="L140" class="LineNr"> 140 </span> <span class="Delimiter">}</span> +<span id="L141" class="LineNr"> 141 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L142" class="LineNr"> 142 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L143" class="LineNr"> 143 </span> <span class="Delimiter">}</span> <span id="L144" class="LineNr"> 144 </span>] <span id="L145" class="LineNr"> 145 </span> -<span id="L146" class="LineNr"> 146 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L146'>run-sandboxes</a> env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>errors-found?:bool, env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L146" class="LineNr"> 146 </span><span class="muRecipe">def</span> run-sandboxes env:&:environment, resources:&:resources, screen:&:screen<span class="muRecipe"> -> </span>errors-found?:bool, env:&:environment, resources:&:resources, screen:&:screen [ <span id="L147" class="LineNr"> 147 </span> <span class="Constant">local-scope</span> <span id="L148" class="LineNr"> 148 </span> <span class="Constant">load-inputs</span> -<span id="L149" class="LineNr"> 149 </span> errors-found?:bool <span class="Special"><-</span> update-recipes env, <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a> +<span id="L149" class="LineNr"> 149 </span> errors-found?:bool <span class="Special"><-</span> update-recipes env, resources, screen <span id="L150" class="LineNr"> 150 </span> <span class="muControl">jump-if</span> errors-found?, <span class="Constant">+return</span> <span id="L151" class="LineNr"> 151 </span> <span class="Comment"># check contents of right editor (sandbox)</span> -<span id="L152" class="LineNr"> 152 </span><span class="Constant"> <a href='005-sandbox.mu.html#L152'><begin-run-sandboxes></a></span> +<span id="L152" class="LineNr"> 152 </span><span class="Constant"> <begin-run-sandboxes></span> <span id="L153" class="LineNr"> 153 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L154" class="LineNr"> 154 </span> <span class="Delimiter">{</span> -<span id="L155" class="LineNr"> 155 </span> <span class="Conceal">¦</span> sandbox-contents:text <span class="Special"><-</span> <a href='005-sandbox.mu.html#L683'>editor-contents</a> current-sandbox -<span id="L156" class="LineNr"> 156 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-contents -<span id="L157" class="LineNr"> 157 </span> <span class="Conceal">¦</span> <span class="Comment"># if contents exist, first save them</span> -<span id="L158" class="LineNr"> 158 </span> <span class="Conceal">¦</span> <span class="Comment"># run them and turn them into a new sandbox</span> -<span id="L159" class="LineNr"> 159 </span> <span class="Conceal">¦</span> new-sandbox:&:sandbox <span class="Special"><-</span> new <span class="Constant">sandbox:type</span> -<span id="L160" class="LineNr"> 160 </span> <span class="Conceal">¦</span> *new-sandbox <span class="Special"><-</span> put *new-sandbox, <span class="Constant">data:offset</span>, sandbox-contents -<span id="L161" class="LineNr"> 161 </span> <span class="Conceal">¦</span> <span class="Comment"># push to head of sandbox list</span> -<span id="L162" class="LineNr"> 162 </span> <span class="Conceal">¦</span> dest:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> -<span id="L163" class="LineNr"> 163 </span> <span class="Conceal">¦</span> *new-sandbox <span class="Special"><-</span> put *new-sandbox, <span class="Constant">next-sandbox:offset</span>, dest -<span id="L164" class="LineNr"> 164 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox:offset</span>, new-sandbox -<span id="L165" class="LineNr"> 165 </span> <span class="Conceal">¦</span> <span class="Comment"># update sandbox count</span> -<span id="L166" class="LineNr"> 166 </span> <span class="Conceal">¦</span> sandbox-count:num <span class="Special"><-</span> get *env, <span class="Constant">number-of-sandboxes:offset</span> -<span id="L167" class="LineNr"> 167 </span> <span class="Conceal">¦</span> sandbox-count <span class="Special"><-</span> add sandbox-count,<span class="Constant"> 1</span> -<span id="L168" class="LineNr"> 168 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">number-of-sandboxes:offset</span>, sandbox-count -<span id="L169" class="LineNr"> 169 </span> <span class="Conceal">¦</span> <span class="Comment"># save all sandboxes</span> -<span id="L170" class="LineNr"> 170 </span> <span class="Conceal">¦</span> <span class="Comment"># needs to be before running them, in case we die when running</span> -<span id="L171" class="LineNr"> 171 </span> <span class="Conceal">¦</span> <a href='005-sandbox.mu.html#L224'>save-sandboxes</a> env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L172" class="LineNr"> 172 </span> <span class="Conceal">¦</span> <span class="Comment"># clear sandbox editor</span> -<span id="L173" class="LineNr"> 173 </span> <span class="Conceal">¦</span> init:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> push <span class="Constant">167/§</span>, <span class="Constant">0/tail</span> -<span id="L174" class="LineNr"> 174 </span> <span class="Conceal">¦</span> *current-sandbox <span class="Special"><-</span> put *current-sandbox, <span class="Constant">data:offset</span>, init -<span id="L175" class="LineNr"> 175 </span> <span class="Conceal">¦</span> *current-sandbox <span class="Special"><-</span> put *current-sandbox, <span class="Constant">top-of-screen:offset</span>, init +<span id="L155" class="LineNr"> 155 </span> sandbox-contents:text <span class="Special"><-</span> editor-contents current-sandbox +<span id="L156" class="LineNr"> 156 </span> <span class="muControl">break-unless</span> sandbox-contents +<span id="L157" class="LineNr"> 157 </span> <span class="Comment"># if contents exist, first save them</span> +<span id="L158" class="LineNr"> 158 </span> <span class="Comment"># run them and turn them into a new sandbox</span> +<span id="L159" class="LineNr"> 159 </span> new-sandbox:&:sandbox <span class="Special"><-</span> new <span class="Constant">sandbox:type</span> +<span id="L160" class="LineNr"> 160 </span> *new-sandbox <span class="Special"><-</span> put *new-sandbox, <span class="Constant">data:offset</span>, sandbox-contents +<span id="L161" class="LineNr"> 161 </span> <span class="Comment"># push to head of sandbox list</span> +<span id="L162" class="LineNr"> 162 </span> dest:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> +<span id="L163" class="LineNr"> 163 </span> *new-sandbox <span class="Special"><-</span> put *new-sandbox, <span class="Constant">next-sandbox:offset</span>, dest +<span id="L164" class="LineNr"> 164 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox:offset</span>, new-sandbox +<span id="L165" class="LineNr"> 165 </span> <span class="Comment"># update sandbox count</span> +<span id="L166" class="LineNr"> 166 </span> sandbox-count:num <span class="Special"><-</span> get *env, <span class="Constant">number-of-sandboxes:offset</span> +<span id="L167" class="LineNr"> 167 </span> sandbox-count <span class="Special"><-</span> add sandbox-count,<span class="Constant"> 1</span> +<span id="L168" class="LineNr"> 168 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">number-of-sandboxes:offset</span>, sandbox-count +<span id="L169" class="LineNr"> 169 </span> <span class="Comment"># save all sandboxes</span> +<span id="L170" class="LineNr"> 170 </span> <span class="Comment"># needs to be before running them, in case we die when running</span> +<span id="L171" class="LineNr"> 171 </span> save-sandboxes env, resources +<span id="L172" class="LineNr"> 172 </span> <span class="Comment"># clear sandbox editor</span> +<span id="L173" class="LineNr"> 173 </span> init:&:duplex-list:char <span class="Special"><-</span> push <span class="Constant">167/§</span>, <span class="Constant">0/tail</span> +<span id="L174" class="LineNr"> 174 </span> *current-sandbox <span class="Special"><-</span> put *current-sandbox, <span class="Constant">data:offset</span>, init +<span id="L175" class="LineNr"> 175 </span> *current-sandbox <span class="Special"><-</span> put *current-sandbox, <span class="Constant">top-of-screen:offset</span>, init <span id="L176" class="LineNr"> 176 </span> <span class="Delimiter">}</span> <span id="L177" class="LineNr"> 177 </span> <span class="Comment"># run all sandboxes</span> <span id="L178" class="LineNr"> 178 </span> curr:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> <span id="L179" class="LineNr"> 179 </span> idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L180" class="LineNr"> 180 </span> <span class="Delimiter">{</span> -<span id="L181" class="LineNr"> 181 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L182" class="LineNr"> 182 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> update-sandbox curr, env, idx -<span id="L183" class="LineNr"> 183 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> -<span id="L184" class="LineNr"> 184 </span> <span class="Conceal">¦</span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> -<span id="L185" class="LineNr"> 185 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L181" class="LineNr"> 181 </span> <span class="muControl">break-unless</span> curr +<span id="L182" class="LineNr"> 182 </span> curr <span class="Special"><-</span> update-sandbox curr, env, idx +<span id="L183" class="LineNr"> 183 </span> curr <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> +<span id="L184" class="LineNr"> 184 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<span id="L185" class="LineNr"> 185 </span> <span class="muControl"> loop</span> <span id="L186" class="LineNr"> 186 </span> <span class="Delimiter">}</span> -<span id="L187" class="LineNr"> 187 </span><span class="Constant"> <a href='005-sandbox.mu.html#L187'><end-run-sandboxes></a></span> +<span id="L187" class="LineNr"> 187 </span><span class="Constant"> <end-run-sandboxes></span> <span id="L188" class="LineNr"> 188 </span><span class="Constant"> +return</span> <span id="L189" class="LineNr"> 189 </span> <span class="Delimiter">{</span> -<span id="L190" class="LineNr"> 190 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> <a href='../088file.mu.html#L11'>resources</a> <span class="Comment"># ignore this in tests</span> -<span id="L191" class="LineNr"> 191 </span> <span class="Conceal">¦</span> $system <span class="Constant">[./snapshot_lesson]</span> +<span id="L190" class="LineNr"> 190 </span> <span class="muControl">break-if</span> resources <span class="Comment"># ignore this in tests</span> +<span id="L191" class="LineNr"> 191 </span> $system <span class="Constant">[./snapshot_lesson]</span> <span id="L192" class="LineNr"> 192 </span> <span class="Delimiter">}</span> <span id="L193" class="LineNr"> 193 </span>] <span id="L194" class="LineNr"> 194 </span> <span id="L195" class="LineNr"> 195 </span><span class="Comment"># load code from disk</span> <span id="L196" class="LineNr"> 196 </span><span class="Comment"># replaced in a later layer (whereupon errors-found? will actually be set)</span> -<span id="L197" class="LineNr"> 197 </span><span class="muRecipe">def</span> update-recipes env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>errors-found?:bool, env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L197" class="LineNr"> 197 </span><span class="muRecipe">def</span> update-recipes env:&:environment, resources:&:resources, screen:&:screen<span class="muRecipe"> -> </span>errors-found?:bool, env:&:environment, resources:&:resources, screen:&:screen [ <span id="L198" class="LineNr"> 198 </span> <span class="Constant">local-scope</span> <span id="L199" class="LineNr"> 199 </span> <span class="Constant">load-inputs</span> <span id="L200" class="LineNr"> 200 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> -<span id="L201" class="LineNr"> 201 </span> in:text <span class="Special"><-</span> <a href='005-sandbox.mu.html#L683'>editor-contents</a> recipes -<span id="L202" class="LineNr"> 202 </span> <a href='../088file.mu.html#L11'>resources</a> <span class="Special"><-</span> <a href='../088file.mu.html#L127'>dump</a> <a href='../088file.mu.html#L11'>resources</a>, <span class="Constant">[lesson/recipes.mu]</span>, in +<span id="L201" class="LineNr"> 201 </span> in:text <span class="Special"><-</span> editor-contents recipes +<span id="L202" class="LineNr"> 202 </span> resources <span class="Special"><-</span> dump resources, <span class="Constant">[lesson/recipes.mu]</span>, in <span id="L203" class="LineNr"> 203 </span> reload in <span id="L204" class="LineNr"> 204 </span> errors-found? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L205" class="LineNr"> 205 </span>] @@ -272,19 +271,19 @@ if ('onhashchange' in window) { <span id="L209" class="LineNr"> 209 </span> <span class="Constant">local-scope</span> <span id="L210" class="LineNr"> 210 </span> <span class="Constant">load-inputs</span> <span id="L211" class="LineNr"> 211 </span> data:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> -<span id="L212" class="LineNr"> 212 </span> response:text, _, fake-screen:&:<a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> run-sandboxed data +<span id="L212" class="LineNr"> 212 </span> response:text, _, fake-screen:&:screen <span class="Special"><-</span> run-sandboxed data <span id="L213" class="LineNr"> 213 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response:offset</span>, response -<span id="L214" class="LineNr"> 214 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant"><a href='../081print.mu.html#L16'>screen</a>:offset</span>, fake-screen +<span id="L214" class="LineNr"> 214 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">screen:offset</span>, fake-screen <span id="L215" class="LineNr"> 215 </span>] <span id="L216" class="LineNr"> 216 </span> -<span id="L217" class="LineNr"> 217 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L217'>update-status</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, msg:text, color:num<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L217" class="LineNr"> 217 </span><span class="muRecipe">def</span> update-status screen:&:screen, msg:text, color:num<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L218" class="LineNr"> 218 </span> <span class="Constant">local-scope</span> <span id="L219" class="LineNr"> 219 </span> <span class="Constant">load-inputs</span> -<span id="L220" class="LineNr"> 220 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>,<span class="Constant"> 0</span>,<span class="Constant"> 2</span> -<span id="L221" class="LineNr"> 221 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> print <a href='../081print.mu.html#L16'>screen</a>, msg, color, <span class="Constant">238/grey/background</span> +<span id="L220" class="LineNr"> 220 </span> screen <span class="Special"><-</span> move-cursor screen,<span class="Constant"> 0</span>,<span class="Constant"> 2</span> +<span id="L221" class="LineNr"> 221 </span> screen <span class="Special"><-</span> print screen, msg, color, <span class="Constant">238/grey/background</span> <span id="L222" class="LineNr"> 222 </span>] <span id="L223" class="LineNr"> 223 </span> -<span id="L224" class="LineNr"> 224 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L224'>save-sandboxes</a> env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a><span class="muRecipe"> -> </span><a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a> [ +<span id="L224" class="LineNr"> 224 </span><span class="muRecipe">def</span> save-sandboxes env:&:environment, resources:&:resources<span class="muRecipe"> -> </span>resources:&:resources [ <span id="L225" class="LineNr"> 225 </span> <span class="Constant">local-scope</span> <span id="L226" class="LineNr"> 226 </span> <span class="Constant">load-inputs</span> <span id="L227" class="LineNr"> 227 </span> trace<span class="Constant"> 11</span>, <span class="Constant">[app]</span>, <span class="Constant">[save sandboxes]</span> @@ -294,28 +293,28 @@ if ('onhashchange' in window) { <span id="L231" class="LineNr"> 231 </span> curr:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> <span id="L232" class="LineNr"> 232 </span> idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L233" class="LineNr"> 233 </span> <span class="Delimiter">{</span> -<span id="L234" class="LineNr"> 234 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L235" class="LineNr"> 235 </span> <span class="Conceal">¦</span> <a href='../088file.mu.html#L11'>resources</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L242'>save-sandbox</a> <a href='../088file.mu.html#L11'>resources</a>, curr, idx -<span id="L236" class="LineNr"> 236 </span> <span class="Conceal">¦</span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> -<span id="L237" class="LineNr"> 237 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> -<span id="L238" class="LineNr"> 238 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L234" class="LineNr"> 234 </span> <span class="muControl">break-unless</span> curr +<span id="L235" class="LineNr"> 235 </span> resources <span class="Special"><-</span> save-sandbox resources, curr, idx +<span id="L236" class="LineNr"> 236 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<span id="L237" class="LineNr"> 237 </span> curr <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> +<span id="L238" class="LineNr"> 238 </span> <span class="muControl"> loop</span> <span id="L239" class="LineNr"> 239 </span> <span class="Delimiter">}</span> <span id="L240" class="LineNr"> 240 </span>] <span id="L241" class="LineNr"> 241 </span> -<span id="L242" class="LineNr"> 242 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L242'>save-sandbox</a> <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, sandbox:&:sandbox, sandbox-index:num<span class="muRecipe"> -> </span><a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a> [ +<span id="L242" class="LineNr"> 242 </span><span class="muRecipe">def</span> save-sandbox resources:&:resources, sandbox:&:sandbox, sandbox-index:num<span class="muRecipe"> -> </span>resources:&:resources [ <span id="L243" class="LineNr"> 243 </span> <span class="Constant">local-scope</span> <span id="L244" class="LineNr"> 244 </span> <span class="Constant">load-inputs</span> <span id="L245" class="LineNr"> 245 </span> data:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> <span id="L246" class="LineNr"> 246 </span> filename:text <span class="Special"><-</span> append <span class="Constant">[lesson/]</span>, sandbox-index -<span id="L247" class="LineNr"> 247 </span> <a href='../088file.mu.html#L11'>resources</a> <span class="Special"><-</span> <a href='../088file.mu.html#L127'>dump</a> <a href='../088file.mu.html#L11'>resources</a>, filename, data -<span id="L248" class="LineNr"> 248 </span><span class="Constant"> <a href='005-sandbox.mu.html#L248'><end-save-sandbox></a></span> +<span id="L247" class="LineNr"> 247 </span> resources <span class="Special"><-</span> dump resources, filename, data +<span id="L248" class="LineNr"> 248 </span><span class="Constant"> <end-save-sandbox></span> <span id="L249" class="LineNr"> 249 </span>] <span id="L250" class="LineNr"> 250 </span> -<span id="L251" class="LineNr"> 251 </span><span class="muRecipe">def!</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment, render-editor:<a href='004-programming-environment.mu.html#L400'>render-recipe</a><span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, env:&:environment [ +<span id="L251" class="LineNr"> 251 </span><span class="muRecipe">def!</span> render-sandbox-side screen:&:screen, env:&:environment, render-editor:render-recipe<span class="muRecipe"> -> </span>screen:&:screen, env:&:environment [ <span id="L252" class="LineNr"> 252 </span> <span class="Constant">local-scope</span> <span id="L253" class="LineNr"> 253 </span> <span class="Constant">load-inputs</span> <span id="L254" class="LineNr"> 254 </span> trace<span class="Constant"> 11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render sandbox side]</span> -<span id="L255" class="LineNr"> 255 </span> old-top-idx:num <span class="Special"><-</span> <a href='../081print.mu.html#L509'>save-top-idx</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L255" class="LineNr"> 255 </span> old-top-idx:num <span class="Special"><-</span> save-top-idx screen <span id="L256" class="LineNr"> 256 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L257" class="LineNr"> 257 </span> row:num, column:num <span class="Special"><-</span> copy<span class="Constant"> 1</span>,<span class="Constant"> 0</span> <span id="L258" class="LineNr"> 258 </span> left:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> @@ -323,92 +322,92 @@ if ('onhashchange' in window) { <span id="L260" class="LineNr"> 260 </span> <span class="Comment"># render sandbox editor</span> <span id="L261" class="LineNr"> 261 </span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> <span id="L262" class="LineNr"> 262 </span> <span class="Delimiter">{</span> -<span id="L263" class="LineNr"> 263 </span> <span class="Conceal">¦</span> render-current-sandbox?:bool <span class="Special"><-</span> equal render-from,<span class="Constant"> -1</span> -<span id="L264" class="LineNr"> 264 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> render-current-sandbox? -<span id="L265" class="LineNr"> 265 </span> <span class="Conceal">¦</span> row, column, <a href='../081print.mu.html#L16'>screen</a>, current-sandbox <span class="Special"><-</span> call render-editor, <a href='../081print.mu.html#L16'>screen</a>, current-sandbox -<span id="L266" class="LineNr"> 266 </span> <span class="Conceal">¦</span> <a href='001-editor.mu.html#L207'>clear-screen-from</a> <a href='../081print.mu.html#L16'>screen</a>, row, column, left, right -<span id="L267" class="LineNr"> 267 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L263" class="LineNr"> 263 </span> render-current-sandbox?:bool <span class="Special"><-</span> equal render-from,<span class="Constant"> -1</span> +<span id="L264" class="LineNr"> 264 </span> <span class="muControl">break-unless</span> render-current-sandbox? +<span id="L265" class="LineNr"> 265 </span> row, column, screen, current-sandbox <span class="Special"><-</span> call render-editor, screen, current-sandbox +<span id="L266" class="LineNr"> 266 </span> clear-screen-from screen, row, column, left, right +<span id="L267" class="LineNr"> 267 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> <span id="L268" class="LineNr"> 268 </span> <span class="Delimiter">}</span> <span id="L269" class="LineNr"> 269 </span> <span class="Comment"># render sandboxes</span> -<span id="L270" class="LineNr"> 270 </span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right +<span id="L270" class="LineNr"> 270 </span> draw-horizontal screen, row, left, right <span id="L271" class="LineNr"> 271 </span> sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> -<span id="L272" class="LineNr"> 272 </span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L278'>render-sandboxes</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox, left, right, row, render-from -<span id="L273" class="LineNr"> 273 </span> <a href='001-editor.mu.html#L223'>clear-rest-of-screen</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right +<span id="L272" class="LineNr"> 272 </span> row, screen <span class="Special"><-</span> render-sandboxes screen, sandbox, left, right, row, render-from +<span id="L273" class="LineNr"> 273 </span> clear-rest-of-screen screen, row, left, right <span id="L274" class="LineNr"> 274 </span> <span class="Comment">#</span> -<span id="L275" class="LineNr"> 275 </span> <a href='../081print.mu.html#L515'>assert-no-scroll</a> <a href='../081print.mu.html#L16'>screen</a>, old-top-idx +<span id="L275" class="LineNr"> 275 </span> assert-no-scroll screen, old-top-idx <span id="L276" class="LineNr"> 276 </span>] <span id="L277" class="LineNr"> 277 </span> -<span id="L278" class="LineNr"> 278 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L278'>render-sandboxes</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, sandbox:&:sandbox, left:num, right:num, row:num, render-from:num, idx:num<span class="muRecipe"> -> </span>row:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, sandbox:&:sandbox [ +<span id="L278" class="LineNr"> 278 </span><span class="muRecipe">def</span> render-sandboxes screen:&:screen, sandbox:&:sandbox, left:num, right:num, row:num, render-from:num, idx:num<span class="muRecipe"> -> </span>row:num, screen:&:screen, sandbox:&:sandbox [ <span id="L279" class="LineNr"> 279 </span> <span class="Constant">local-scope</span> <span id="L280" class="LineNr"> 280 </span> <span class="Constant">load-inputs</span> <span id="L281" class="LineNr"> 281 </span> <span class="muControl">return-unless</span> sandbox -<span id="L282" class="LineNr"> 282 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L282" class="LineNr"> 282 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L283" class="LineNr"> 283 </span> hidden?:bool <span class="Special"><-</span> lesser-than idx, render-from <span id="L284" class="LineNr"> 284 </span> <span class="Delimiter">{</span> -<span id="L285" class="LineNr"> 285 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> hidden? -<span id="L286" class="LineNr"> 286 </span> <span class="Conceal">¦</span> <span class="Comment"># render sandbox menu</span> -<span id="L287" class="LineNr"> 287 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L288" class="LineNr"> 288 </span> <span class="Conceal">¦</span> at-bottom?:bool <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L289" class="LineNr"> 289 </span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> at-bottom? -<span id="L290" class="LineNr"> 290 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left -<span id="L291" class="LineNr"> 291 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L333'>render-sandbox-menu</a> <a href='../081print.mu.html#L16'>screen</a>, idx, left, right -<span id="L292" class="LineNr"> 292 </span> <span class="Conceal">¦</span> <span class="Comment"># save menu row so we can detect clicks to it later</span> -<span id="L293" class="LineNr"> 293 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">starting-row-on-screen:offset</span>, row -<span id="L294" class="LineNr"> 294 </span> <span class="Conceal">¦</span> <span class="Comment"># render sandbox contents</span> -<span id="L295" class="LineNr"> 295 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L296" class="LineNr"> 296 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left -<span id="L297" class="LineNr"> 297 </span> <span class="Conceal">¦</span> sandbox-data:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> -<span id="L298" class="LineNr"> 298 </span> <span class="Conceal">¦</span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='003-shortcuts.mu.html#L2062'>render-code</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-data, left, right, row -<span id="L299" class="LineNr"> 299 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">code-ending-row-on-screen:offset</span>, row -<span id="L300" class="LineNr"> 300 </span> <span class="Conceal">¦</span> <span class="Comment"># render sandbox warnings, screen or response, in that order</span> -<span id="L301" class="LineNr"> 301 </span> <span class="Conceal">¦</span> sandbox-response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">response:offset</span> -<span id="L302" class="LineNr"> 302 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='005-sandbox.mu.html#L302'><render-sandbox-results></a></span> -<span id="L303" class="LineNr"> 303 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L304" class="LineNr"> 304 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> sandbox-screen:&:<a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> get *sandbox, <span class="Constant"><a href='../081print.mu.html#L16'>screen</a>:offset</span> -<span id="L305" class="LineNr"> 305 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> empty-screen?:bool <span class="Special"><-</span> <a href='../081print.mu.html#L74'>fake-screen-is-empty?</a> sandbox-screen -<span id="L306" class="LineNr"> 306 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> empty-screen? -<span id="L307" class="LineNr"> 307 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L509'>render-screen</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-screen, left, right, row -<span id="L308" class="LineNr"> 308 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L309" class="LineNr"> 309 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L310" class="LineNr"> 310 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> empty-screen? -<span id="L311" class="LineNr"> 311 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='005-sandbox.mu.html#L311'><render-sandbox-response></a></span> -<span id="L312" class="LineNr"> 312 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-response, left, right, <span class="Constant">245/grey</span>, row -<span id="L313" class="LineNr"> 313 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L314" class="LineNr"> 314 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +render-sandbox-end</span> -<span id="L315" class="LineNr"> 315 </span> <span class="Conceal">¦</span> at-bottom?:bool <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L316" class="LineNr"> 316 </span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> at-bottom? -<span id="L317" class="LineNr"> 317 </span> <span class="Conceal">¦</span> <span class="Comment"># draw solid line after sandbox</span> -<span id="L318" class="LineNr"> 318 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right +<span id="L285" class="LineNr"> 285 </span> <span class="muControl">break-if</span> hidden? +<span id="L286" class="LineNr"> 286 </span> <span class="Comment"># render sandbox menu</span> +<span id="L287" class="LineNr"> 287 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L288" class="LineNr"> 288 </span> at-bottom?:bool <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L289" class="LineNr"> 289 </span> <span class="muControl">return-if</span> at-bottom? +<span id="L290" class="LineNr"> 290 </span> screen <span class="Special"><-</span> move-cursor screen, row, left +<span id="L291" class="LineNr"> 291 </span> screen <span class="Special"><-</span> render-sandbox-menu screen, idx, left, right +<span id="L292" class="LineNr"> 292 </span> <span class="Comment"># save menu row so we can detect clicks to it later</span> +<span id="L293" class="LineNr"> 293 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">starting-row-on-screen:offset</span>, row +<span id="L294" class="LineNr"> 294 </span> <span class="Comment"># render sandbox contents</span> +<span id="L295" class="LineNr"> 295 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L296" class="LineNr"> 296 </span> screen <span class="Special"><-</span> move-cursor screen, row, left +<span id="L297" class="LineNr"> 297 </span> sandbox-data:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> +<span id="L298" class="LineNr"> 298 </span> row, screen <span class="Special"><-</span> render-code screen, sandbox-data, left, right, row +<span id="L299" class="LineNr"> 299 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">code-ending-row-on-screen:offset</span>, row +<span id="L300" class="LineNr"> 300 </span> <span class="Comment"># render sandbox warnings, screen or response, in that order</span> +<span id="L301" class="LineNr"> 301 </span> sandbox-response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">response:offset</span> +<span id="L302" class="LineNr"> 302 </span><span class="Constant"> <render-sandbox-results></span> +<span id="L303" class="LineNr"> 303 </span> <span class="Delimiter">{</span> +<span id="L304" class="LineNr"> 304 </span> sandbox-screen:&:screen <span class="Special"><-</span> get *sandbox, <span class="Constant">screen:offset</span> +<span id="L305" class="LineNr"> 305 </span> empty-screen?:bool <span class="Special"><-</span> fake-screen-is-empty? sandbox-screen +<span id="L306" class="LineNr"> 306 </span> <span class="muControl">break-if</span> empty-screen? +<span id="L307" class="LineNr"> 307 </span> row, screen <span class="Special"><-</span> render-screen screen, sandbox-screen, left, right, row +<span id="L308" class="LineNr"> 308 </span> <span class="Delimiter">}</span> +<span id="L309" class="LineNr"> 309 </span> <span class="Delimiter">{</span> +<span id="L310" class="LineNr"> 310 </span> <span class="muControl">break-unless</span> empty-screen? +<span id="L311" class="LineNr"> 311 </span><span class="Constant"> <render-sandbox-response></span> +<span id="L312" class="LineNr"> 312 </span> row, screen <span class="Special"><-</span> render-text screen, sandbox-response, left, right, <span class="Constant">245/grey</span>, row +<span id="L313" class="LineNr"> 313 </span> <span class="Delimiter">}</span> +<span id="L314" class="LineNr"> 314 </span><span class="Constant"> +render-sandbox-end</span> +<span id="L315" class="LineNr"> 315 </span> at-bottom?:bool <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L316" class="LineNr"> 316 </span> <span class="muControl">return-if</span> at-bottom? +<span id="L317" class="LineNr"> 317 </span> <span class="Comment"># draw solid line after sandbox</span> +<span id="L318" class="LineNr"> 318 </span> draw-horizontal screen, row, left, right <span id="L319" class="LineNr"> 319 </span> <span class="Delimiter">}</span> <span id="L320" class="LineNr"> 320 </span> <span class="Comment"># if hidden, reset row attributes</span> <span id="L321" class="LineNr"> 321 </span> <span class="Delimiter">{</span> -<span id="L322" class="LineNr"> 322 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> hidden? -<span id="L323" class="LineNr"> 323 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">starting-row-on-screen:offset</span>,<span class="Constant"> 0</span> -<span id="L324" class="LineNr"> 324 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">code-ending-row-on-screen:offset</span>,<span class="Constant"> 0</span> -<span id="L325" class="LineNr"> 325 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='005-sandbox.mu.html#L325'><end-render-sandbox-reset-hidden></a></span> +<span id="L322" class="LineNr"> 322 </span> <span class="muControl">break-unless</span> hidden? +<span id="L323" class="LineNr"> 323 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">starting-row-on-screen:offset</span>,<span class="Constant"> 0</span> +<span id="L324" class="LineNr"> 324 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">code-ending-row-on-screen:offset</span>,<span class="Constant"> 0</span> +<span id="L325" class="LineNr"> 325 </span><span class="Constant"> <end-render-sandbox-reset-hidden></span> <span id="L326" class="LineNr"> 326 </span> <span class="Delimiter">}</span> <span id="L327" class="LineNr"> 327 </span> <span class="Comment"># draw next sandbox</span> <span id="L328" class="LineNr"> 328 </span> next-sandbox:&:sandbox <span class="Special"><-</span> get *sandbox, <span class="Constant">next-sandbox:offset</span> <span id="L329" class="LineNr"> 329 </span> next-idx:num <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> -<span id="L330" class="LineNr"> 330 </span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L278'>render-sandboxes</a> <a href='../081print.mu.html#L16'>screen</a>, next-sandbox, left, right, row, render-from, next-idx +<span id="L330" class="LineNr"> 330 </span> row, screen <span class="Special"><-</span> render-sandboxes screen, next-sandbox, left, right, row, render-from, next-idx <span id="L331" class="LineNr"> 331 </span>] <span id="L332" class="LineNr"> 332 </span> -<span id="L333" class="LineNr"> 333 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L333'>render-sandbox-menu</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, sandbox-index:num, left:num, right:num<span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L333" class="LineNr"> 333 </span><span class="muRecipe">def</span> render-sandbox-menu screen:&:screen, sandbox-index:num, left:num, right:num<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L334" class="LineNr"> 334 </span> <span class="Constant">local-scope</span> <span id="L335" class="LineNr"> 335 </span> <span class="Constant">load-inputs</span> -<span id="L336" class="LineNr"> 336 </span> <a href='../081print.mu.html#L760'>move-cursor-to-column</a> <a href='../081print.mu.html#L16'>screen</a>, left -<span id="L337" class="LineNr"> 337 </span> edit-button-left:num, edit-button-right:num, copy-button-left:num, copy-button-right:num, recipe-button-left:num, recipe-button-right:num, delete-button-left:num <span class="Special"><-</span> <a href='005-sandbox.mu.html#L378'>sandbox-menu-columns</a> left, right -<span id="L338" class="LineNr"> 338 </span> print <a href='../081print.mu.html#L16'>screen</a>, sandbox-index, <span class="Constant">232/dark-grey</span>, <span class="Constant">245/grey</span> +<span id="L336" class="LineNr"> 336 </span> move-cursor-to-column screen, left +<span id="L337" class="LineNr"> 337 </span> edit-button-left:num, edit-button-right:num, copy-button-left:num, copy-button-right:num, recipe-button-left:num, recipe-button-right:num, delete-button-left:num <span class="Special"><-</span> sandbox-menu-columns left, right +<span id="L338" class="LineNr"> 338 </span> print screen, sandbox-index, <span class="Constant">232/dark-grey</span>, <span class="Constant">245/grey</span> <span id="L339" class="LineNr"> 339 </span> start-buttons:num <span class="Special"><-</span> subtract edit-button-left,<span class="Constant"> 1</span> -<span id="L340" class="LineNr"> 340 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, start-buttons, <span class="Constant">245/grey</span> -<span id="L341" class="LineNr"> 341 </span> print <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[edit]</span>, <span class="Constant">232/black</span>, <span class="Constant">25/background-blue</span> -<span id="L342" class="LineNr"> 342 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, edit-button-right, <span class="Constant">25/background-blue</span> -<span id="L343" class="LineNr"> 343 </span> print <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[copy]</span>, <span class="Constant">232/black</span>, <span class="Constant">58/background-green</span> -<span id="L344" class="LineNr"> 344 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, copy-button-right, <span class="Constant">58/background-green</span> -<span id="L345" class="LineNr"> 345 </span> print <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[to recipe]</span>, <span class="Constant">232/black</span>, <span class="Constant">94/background-orange</span> -<span id="L346" class="LineNr"> 346 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, recipe-button-right, <span class="Constant">94/background-orange</span> -<span id="L347" class="LineNr"> 347 </span> print <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[delete]</span>, <span class="Constant">232/black</span>, <span class="Constant">52/background-red</span> -<span id="L348" class="LineNr"> 348 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right, <span class="Constant">52/background-red</span> +<span id="L340" class="LineNr"> 340 </span> clear-line-until screen, start-buttons, <span class="Constant">245/grey</span> +<span id="L341" class="LineNr"> 341 </span> print screen, <span class="Constant">[edit]</span>, <span class="Constant">232/black</span>, <span class="Constant">25/background-blue</span> +<span id="L342" class="LineNr"> 342 </span> clear-line-until screen, edit-button-right, <span class="Constant">25/background-blue</span> +<span id="L343" class="LineNr"> 343 </span> print screen, <span class="Constant">[copy]</span>, <span class="Constant">232/black</span>, <span class="Constant">58/background-green</span> +<span id="L344" class="LineNr"> 344 </span> clear-line-until screen, copy-button-right, <span class="Constant">58/background-green</span> +<span id="L345" class="LineNr"> 345 </span> print screen, <span class="Constant">[to recipe]</span>, <span class="Constant">232/black</span>, <span class="Constant">94/background-orange</span> +<span id="L346" class="LineNr"> 346 </span> clear-line-until screen, recipe-button-right, <span class="Constant">94/background-orange</span> +<span id="L347" class="LineNr"> 347 </span> print screen, <span class="Constant">[delete]</span>, <span class="Constant">232/black</span>, <span class="Constant">52/background-red</span> +<span id="L348" class="LineNr"> 348 </span> clear-line-until screen, right, <span class="Constant">52/background-red</span> <span id="L349" class="LineNr"> 349 </span>] <span id="L350" class="LineNr"> 350 </span> <span id="L351" class="LineNr"> 351 </span><span class="muScenario">scenario</span> skip-rendering-sandbox-menu-past-bottom-row [ @@ -416,29 +415,29 @@ if ('onhashchange' in window) { <span id="L353" class="LineNr"> 353 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">6/height</span> <span id="L354" class="LineNr"> 354 </span> <span class="Comment"># recipe editor is empty</span> <span id="L355" class="LineNr"> 355 </span> assume-resources [ -<span id="L356" class="LineNr"> 356 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/0]</span> <span class="Special"><-</span> <span class="Constant">[|add 2, 2|]</span> -<span id="L357" class="LineNr"> 357 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/1]</span> <span class="Special"><-</span> <span class="Constant">[|add 1, 1|]</span> +<span id="L356" class="LineNr"> 356 </span> <span class="Constant">[lesson/0]</span> <span class="Special"><-</span> <span class="Constant">[|add 2, 2|]</span> +<span id="L357" class="LineNr"> 357 </span> <span class="Constant">[lesson/1]</span> <span class="Special"><-</span> <span class="Constant">[|add 1, 1|]</span> <span id="L358" class="LineNr"> 358 </span> ] <span id="L359" class="LineNr"> 359 </span> <span class="Comment"># create two sandboxes such that the top one just barely fills the screen</span> -<span id="L360" class="LineNr"> 360 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L361" class="LineNr"> 361 </span> env <span class="Special"><-</span> <a href='005-sandbox.mu.html#L475'>restore-sandboxes</a> env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L360" class="LineNr"> 360 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L361" class="LineNr"> 361 </span> env <span class="Special"><-</span> restore-sandboxes env, resources <span id="L362" class="LineNr"> 362 </span> run [ -<span id="L363" class="LineNr"> 363 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L363" class="LineNr"> 363 </span> render-all screen, env, render <span id="L364" class="LineNr"> 364 </span> ] <span id="L365" class="LineNr"> 365 </span> screen-should-contain [ -<span id="L366" class="LineNr"> 366 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L367" class="LineNr"> 367 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L368" class="LineNr"> 368 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L369" class="LineNr"> 369 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L370" class="LineNr"> 370 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L371" class="LineNr"> 371 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L366" class="LineNr"> 366 </span> <span class="Constant"> . run (F4) .</span> +<span id="L367" class="LineNr"> 367 </span> <span class="Constant"> . ╎ .</span> +<span id="L368" class="LineNr"> 368 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L369" class="LineNr"> 369 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L370" class="LineNr"> 370 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L371" class="LineNr"> 371 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> <span id="L372" class="LineNr"> 372 </span> ] <span id="L373" class="LineNr"> 373 </span>] <span id="L374" class="LineNr"> 374 </span> <span id="L375" class="LineNr"> 375 </span><span class="Comment"># divide up the menu bar for a sandbox into 3 segments, for edit/copy/delete buttons</span> <span id="L376" class="LineNr"> 376 </span><span class="Comment"># delete-button-right == right</span> <span id="L377" class="LineNr"> 377 </span><span class="Comment"># all left/right pairs are inclusive</span> -<span id="L378" class="LineNr"> 378 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L378'>sandbox-menu-columns</a> left:num, right:num<span class="muRecipe"> -> </span>edit-button-left:num, edit-button-right:num, copy-button-left:num, copy-button-right:num, recipe-button-left:num, recipe-button-right:num, delete-button-left:num [ +<span id="L378" class="LineNr"> 378 </span><span class="muRecipe">def</span> sandbox-menu-columns left:num, right:num<span class="muRecipe"> -> </span>edit-button-left:num, edit-button-right:num, copy-button-left:num, copy-button-right:num, recipe-button-left:num, recipe-button-right:num, delete-button-left:num [ <span id="L379" class="LineNr"> 379 </span> <span class="Constant">local-scope</span> <span id="L380" class="LineNr"> 380 </span> <span class="Constant">load-inputs</span> <span id="L381" class="LineNr"> 381 </span> start-buttons:num <span class="Special"><-</span> add left, <span class="Constant">4/space-for-sandbox-index</span> @@ -458,110 +457,110 @@ if ('onhashchange' in window) { <span id="L395" class="LineNr"> 395 </span><span class="Comment"># print a text 's' to 'editor' in 'color' starting at 'row'</span> <span id="L396" class="LineNr"> 396 </span><span class="Comment"># clear rest of last line, move cursor to next line</span> <span id="L397" class="LineNr"> 397 </span><span class="Comment"># like 'render-code' but without syntax-based colorization</span> -<span id="L398" class="LineNr"> 398 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, s:text, left:num, right:num, color:num, row:num<span class="muRecipe"> -> </span>row:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L398" class="LineNr"> 398 </span><span class="muRecipe">def</span> render-text screen:&:screen, s:text, left:num, right:num, color:num, row:num<span class="muRecipe"> -> </span>row:num, screen:&:screen [ <span id="L399" class="LineNr"> 399 </span> <span class="Constant">local-scope</span> <span id="L400" class="LineNr"> 400 </span> <span class="Constant">load-inputs</span> <span id="L401" class="LineNr"> 401 </span> <span class="muControl">return-unless</span> s <span id="L402" class="LineNr"> 402 </span> column:num <span class="Special"><-</span> copy left -<span id="L403" class="LineNr"> 403 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L404" class="LineNr"> 404 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L403" class="LineNr"> 403 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L404" class="LineNr"> 404 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L405" class="LineNr"> 405 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L406" class="LineNr"> 406 </span> len:num <span class="Special"><-</span> length *s <span id="L407" class="LineNr"> 407 </span> <span class="Delimiter">{</span> -<span id="L408" class="LineNr"> 408 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +next-character</span> -<span id="L409" class="LineNr"> 409 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, len -<span id="L410" class="LineNr"> 410 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L411" class="LineNr"> 411 </span> <span class="Conceal">¦</span> done? <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L412" class="LineNr"> 412 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L413" class="LineNr"> 413 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> index *s, i -<span id="L414" class="LineNr"> 414 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L415" class="LineNr"> 415 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># newline? move to left rather than 0</span> -<span id="L416" class="LineNr"> 416 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> -<span id="L417" class="LineNr"> 417 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> newline? -<span id="L418" class="LineNr"> 418 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># clear rest of line in this window</span> -<span id="L419" class="LineNr"> 419 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L420" class="LineNr"> 420 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-than column, right -<span id="L421" class="LineNr"> 421 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L422" class="LineNr"> 422 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L423" class="LineNr"> 423 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, space -<span id="L424" class="LineNr"> 424 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L425" class="LineNr"> 425 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L426" class="LineNr"> 426 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L427" class="LineNr"> 427 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L428" class="LineNr"> 428 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L429" class="LineNr"> 429 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L430" class="LineNr"> 430 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L431" class="LineNr"> 431 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L432" class="LineNr"> 432 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L433" class="LineNr"> 433 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L434" class="LineNr"> 434 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># at right? wrap.</span> -<span id="L435" class="LineNr"> 435 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-right?:bool <span class="Special"><-</span> equal column, right -<span id="L436" class="LineNr"> 436 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> at-right? -<span id="L437" class="LineNr"> 437 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># print wrap icon</span> -<span id="L438" class="LineNr"> 438 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> -<span id="L439" class="LineNr"> 439 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, wrap-icon, <span class="Constant">245/grey</span> -<span id="L440" class="LineNr"> 440 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L441" class="LineNr"> 441 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L442" class="LineNr"> 442 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L443" class="LineNr"> 443 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># don't increment i</span> -<span id="L444" class="LineNr"> 444 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-character</span> -<span id="L445" class="LineNr"> 445 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L446" class="LineNr"> 446 </span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L447" class="LineNr"> 447 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, c, color -<span id="L448" class="LineNr"> 448 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L449" class="LineNr"> 449 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L408" class="LineNr"> 408 </span><span class="Constant"> +next-character</span> +<span id="L409" class="LineNr"> 409 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<span id="L410" class="LineNr"> 410 </span> <span class="muControl">break-if</span> done? +<span id="L411" class="LineNr"> 411 </span> done? <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L412" class="LineNr"> 412 </span> <span class="muControl">break-if</span> done? +<span id="L413" class="LineNr"> 413 </span> c:char <span class="Special"><-</span> index *s, i +<span id="L414" class="LineNr"> 414 </span> <span class="Delimiter">{</span> +<span id="L415" class="LineNr"> 415 </span> <span class="Comment"># newline? move to left rather than 0</span> +<span id="L416" class="LineNr"> 416 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<span id="L417" class="LineNr"> 417 </span> <span class="muControl">break-unless</span> newline? +<span id="L418" class="LineNr"> 418 </span> <span class="Comment"># clear rest of line in this window</span> +<span id="L419" class="LineNr"> 419 </span> <span class="Delimiter">{</span> +<span id="L420" class="LineNr"> 420 </span> done?:bool <span class="Special"><-</span> greater-than column, right +<span id="L421" class="LineNr"> 421 </span> <span class="muControl">break-if</span> done? +<span id="L422" class="LineNr"> 422 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> +<span id="L423" class="LineNr"> 423 </span> print screen, space +<span id="L424" class="LineNr"> 424 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L425" class="LineNr"> 425 </span> <span class="muControl"> loop</span> +<span id="L426" class="LineNr"> 426 </span> <span class="Delimiter">}</span> +<span id="L427" class="LineNr"> 427 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L428" class="LineNr"> 428 </span> column <span class="Special"><-</span> copy left +<span id="L429" class="LineNr"> 429 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L430" class="LineNr"> 430 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L431" class="LineNr"> 431 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L432" class="LineNr"> 432 </span> <span class="Delimiter">}</span> +<span id="L433" class="LineNr"> 433 </span> <span class="Delimiter">{</span> +<span id="L434" class="LineNr"> 434 </span> <span class="Comment"># at right? wrap.</span> +<span id="L435" class="LineNr"> 435 </span> at-right?:bool <span class="Special"><-</span> equal column, right +<span id="L436" class="LineNr"> 436 </span> <span class="muControl">break-unless</span> at-right? +<span id="L437" class="LineNr"> 437 </span> <span class="Comment"># print wrap icon</span> +<span id="L438" class="LineNr"> 438 </span> wrap-icon:char <span class="Special"><-</span> copy <span class="Constant">8617/loop-back-to-left</span> +<span id="L439" class="LineNr"> 439 </span> print screen, wrap-icon, <span class="Constant">245/grey</span> +<span id="L440" class="LineNr"> 440 </span> column <span class="Special"><-</span> copy left +<span id="L441" class="LineNr"> 441 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L442" class="LineNr"> 442 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L443" class="LineNr"> 443 </span> <span class="Comment"># don't increment i</span> +<span id="L444" class="LineNr"> 444 </span> <span class="muControl"> loop</span> <span class="Constant">+next-character</span> +<span id="L445" class="LineNr"> 445 </span> <span class="Delimiter">}</span> +<span id="L446" class="LineNr"> 446 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L447" class="LineNr"> 447 </span> print screen, c, color +<span id="L448" class="LineNr"> 448 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L449" class="LineNr"> 449 </span> <span class="muControl"> loop</span> <span id="L450" class="LineNr"> 450 </span> <span class="Delimiter">}</span> <span id="L451" class="LineNr"> 451 </span> was-at-left?:bool <span class="Special"><-</span> equal column, left -<span id="L452" class="LineNr"> 452 </span> <a href='../081print.mu.html#L553'>clear-line-until</a> <a href='../081print.mu.html#L16'>screen</a>, right +<span id="L452" class="LineNr"> 452 </span> clear-line-until screen, right <span id="L453" class="LineNr"> 453 </span> <span class="Delimiter">{</span> -<span id="L454" class="LineNr"> 454 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> was-at-left? -<span id="L455" class="LineNr"> 455 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L454" class="LineNr"> 454 </span> <span class="muControl">break-if</span> was-at-left? +<span id="L455" class="LineNr"> 455 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> <span id="L456" class="LineNr"> 456 </span> <span class="Delimiter">}</span> -<span id="L457" class="LineNr"> 457 </span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left +<span id="L457" class="LineNr"> 457 </span> move-cursor screen, row, left <span id="L458" class="LineNr"> 458 </span>] <span id="L459" class="LineNr"> 459 </span> <span id="L460" class="LineNr"> 460 </span><span class="muScenario">scenario</span> render-text-wraps-barely-long-lines [ <span id="L461" class="LineNr"> 461 </span> <span class="Constant">local-scope</span> <span id="L462" class="LineNr"> 462 </span> assume-screen <span class="Constant">5/width</span>, <span class="Constant">5/height</span> <span id="L463" class="LineNr"> 463 </span> run [ -<span id="L464" class="LineNr"> 464 </span> <span class="Conceal">¦</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>, <span class="Constant">7/white</span>, <span class="Constant">1/row</span> +<span id="L464" class="LineNr"> 464 </span> render-text screen, <span class="Constant">[abcde]</span>, <span class="Constant">0/left</span>, <span class="Constant">4/right</span>, <span class="Constant">7/white</span>, <span class="Constant">1/row</span> <span id="L465" class="LineNr"> 465 </span> ] <span id="L466" class="LineNr"> 466 </span> screen-should-contain [ -<span id="L467" class="LineNr"> 467 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L468" class="LineNr"> 468 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .abcd↩.</span> -<span id="L469" class="LineNr"> 469 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L470" class="LineNr"> 470 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L467" class="LineNr"> 467 </span> <span class="Constant"> . .</span> +<span id="L468" class="LineNr"> 468 </span><span class="Constant"> .abcd↩.</span> +<span id="L469" class="LineNr"> 469 </span> <span class="Constant"> .e .</span> +<span id="L470" class="LineNr"> 470 </span> <span class="Constant"> . .</span> <span id="L471" class="LineNr"> 471 </span> ] <span id="L472" class="LineNr"> 472 </span>] <span id="L473" class="LineNr"> 473 </span> <span id="L474" class="LineNr"> 474 </span><span class="Comment"># assumes programming environment has no sandboxes; restores them from previous session</span> -<span id="L475" class="LineNr"> 475 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L475'>restore-sandboxes</a> env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a><span class="muRecipe"> -> </span>env:&:environment [ +<span id="L475" class="LineNr"> 475 </span><span class="muRecipe">def</span> restore-sandboxes env:&:environment, resources:&:resources<span class="muRecipe"> -> </span>env:&:environment [ <span id="L476" class="LineNr"> 476 </span> <span class="Constant">local-scope</span> <span id="L477" class="LineNr"> 477 </span> <span class="Constant">load-inputs</span> <span id="L478" class="LineNr"> 478 </span> <span class="Comment"># read all scenarios, pushing them to end of a list of scenarios</span> <span id="L479" class="LineNr"> 479 </span> idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L480" class="LineNr"> 480 </span> curr:&:sandbox <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<span id="L481" class="LineNr"> 481 </span> <a href='../065duplex_list.mu.html#L32'>prev</a>:&:sandbox <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L481" class="LineNr"> 481 </span> prev:&:sandbox <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L482" class="LineNr"> 482 </span> <span class="Delimiter">{</span> -<span id="L483" class="LineNr"> 483 </span> <span class="Conceal">¦</span> filename:text <span class="Special"><-</span> append <span class="Constant">[lesson/]</span>, idx -<span id="L484" class="LineNr"> 484 </span> <span class="Conceal">¦</span> contents:text <span class="Special"><-</span> <a href='../088file.mu.html#L38'>slurp</a> <a href='../088file.mu.html#L11'>resources</a>, filename -<span id="L485" class="LineNr"> 485 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> contents <span class="Comment"># stop at first error; assuming file didn't exist</span> -<span id="L486" class="LineNr"> 486 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># todo: handle empty sandbox</span> -<span id="L487" class="LineNr"> 487 </span> <span class="Conceal">¦</span> <span class="Comment"># create new sandbox for file</span> -<span id="L488" class="LineNr"> 488 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> new <span class="Constant">sandbox:type</span> -<span id="L489" class="LineNr"> 489 </span> <span class="Conceal">¦</span> *curr <span class="Special"><-</span> put *curr, <span class="Constant">data:offset</span>, contents -<span id="L490" class="LineNr"> 490 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='005-sandbox.mu.html#L490'><end-restore-sandbox></a></span> -<span id="L491" class="LineNr"> 491 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L492" class="LineNr"> 492 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> idx -<span id="L493" class="LineNr"> 493 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox:offset</span>, curr -<span id="L494" class="LineNr"> 494 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L495" class="LineNr"> 495 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L496" class="LineNr"> 496 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> idx -<span id="L497" class="LineNr"> 497 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *prev <span class="Special"><-</span> put *prev, <span class="Constant">next-sandbox:offset</span>, curr -<span id="L498" class="LineNr"> 498 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L499" class="LineNr"> 499 </span> <span class="Conceal">¦</span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> -<span id="L500" class="LineNr"> 500 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L32'>prev</a> <span class="Special"><-</span> copy curr -<span id="L501" class="LineNr"> 501 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L483" class="LineNr"> 483 </span> filename:text <span class="Special"><-</span> append <span class="Constant">[lesson/]</span>, idx +<span id="L484" class="LineNr"> 484 </span> contents:text <span class="Special"><-</span> slurp resources, filename +<span id="L485" class="LineNr"> 485 </span> <span class="muControl">break-unless</span> contents <span class="Comment"># stop at first error; assuming file didn't exist</span> +<span id="L486" class="LineNr"> 486 </span> <span class="Comment"># todo: handle empty sandbox</span> +<span id="L487" class="LineNr"> 487 </span> <span class="Comment"># create new sandbox for file</span> +<span id="L488" class="LineNr"> 488 </span> curr <span class="Special"><-</span> new <span class="Constant">sandbox:type</span> +<span id="L489" class="LineNr"> 489 </span> *curr <span class="Special"><-</span> put *curr, <span class="Constant">data:offset</span>, contents +<span id="L490" class="LineNr"> 490 </span><span class="Constant"> <end-restore-sandbox></span> +<span id="L491" class="LineNr"> 491 </span> <span class="Delimiter">{</span> +<span id="L492" class="LineNr"> 492 </span> <span class="muControl">break-if</span> idx +<span id="L493" class="LineNr"> 493 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox:offset</span>, curr +<span id="L494" class="LineNr"> 494 </span> <span class="Delimiter">}</span> +<span id="L495" class="LineNr"> 495 </span> <span class="Delimiter">{</span> +<span id="L496" class="LineNr"> 496 </span> <span class="muControl">break-unless</span> idx +<span id="L497" class="LineNr"> 497 </span> *prev <span class="Special"><-</span> put *prev, <span class="Constant">next-sandbox:offset</span>, curr +<span id="L498" class="LineNr"> 498 </span> <span class="Delimiter">}</span> +<span id="L499" class="LineNr"> 499 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<span id="L500" class="LineNr"> 500 </span> prev <span class="Special"><-</span> copy curr +<span id="L501" class="LineNr"> 501 </span> <span class="muControl"> loop</span> <span id="L502" class="LineNr"> 502 </span> <span class="Delimiter">}</span> <span id="L503" class="LineNr"> 503 </span> <span class="Comment"># update sandbox count</span> <span id="L504" class="LineNr"> 504 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">number-of-sandboxes:offset</span>, idx @@ -569,68 +568,68 @@ if ('onhashchange' in window) { <span id="L506" class="LineNr"> 506 </span> <span id="L507" class="LineNr"> 507 </span><span class="Comment"># print the fake sandbox screen to 'screen' with appropriate delimiters</span> <span id="L508" class="LineNr"> 508 </span><span class="Comment"># leave cursor at start of next line</span> -<span id="L509" class="LineNr"> 509 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L509'>render-screen</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, sandbox-screen:&:<a href='../081print.mu.html#L16'>screen</a>, left:num, right:num, row:num<span class="muRecipe"> -> </span>row:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L509" class="LineNr"> 509 </span><span class="muRecipe">def</span> render-screen screen:&:screen, sandbox-screen:&:screen, left:num, right:num, row:num<span class="muRecipe"> -> </span>row:num, screen:&:screen [ <span id="L510" class="LineNr"> 510 </span> <span class="Constant">local-scope</span> <span id="L511" class="LineNr"> 511 </span> <span class="Constant">load-inputs</span> <span id="L512" class="LineNr"> 512 </span> <span class="muControl">return-unless</span> sandbox-screen <span id="L513" class="LineNr"> 513 </span> <span class="Comment"># print 'screen:'</span> -<span id="L514" class="LineNr"> 514 </span> row <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[screen:]</span>, left, right, <span class="Constant">245/grey</span>, row -<span id="L515" class="LineNr"> 515 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, left +<span id="L514" class="LineNr"> 514 </span> row <span class="Special"><-</span> render-text screen, <span class="Constant">[screen:]</span>, left, right, <span class="Constant">245/grey</span>, row +<span id="L515" class="LineNr"> 515 </span> screen <span class="Special"><-</span> move-cursor screen, row, left <span id="L516" class="LineNr"> 516 </span> <span class="Comment"># start printing sandbox-screen</span> <span id="L517" class="LineNr"> 517 </span> column:num <span class="Special"><-</span> copy left -<span id="L518" class="LineNr"> 518 </span> s-width:num <span class="Special"><-</span> <a href='../081print.mu.html#L768'>screen-width</a> sandbox-screen -<span id="L519" class="LineNr"> 519 </span> s-height:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> sandbox-screen -<span id="L520" class="LineNr"> 520 </span> buf:&:@:<a href='../081print.mu.html#L27'>screen-cell</a> <span class="Special"><-</span> get *sandbox-screen, <span class="Constant">data:offset</span> +<span id="L518" class="LineNr"> 518 </span> s-width:num <span class="Special"><-</span> screen-width sandbox-screen +<span id="L519" class="LineNr"> 519 </span> s-height:num <span class="Special"><-</span> screen-height sandbox-screen +<span id="L520" class="LineNr"> 520 </span> buf:&:@:screen-cell <span class="Special"><-</span> get *sandbox-screen, <span class="Constant">data:offset</span> <span id="L521" class="LineNr"> 521 </span> stop-printing:num <span class="Special"><-</span> add left, s-width,<span class="Constant"> 3</span> <span id="L522" class="LineNr"> 522 </span> max-column:num <span class="Special"><-</span> min stop-printing, right <span id="L523" class="LineNr"> 523 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L524" class="LineNr"> 524 </span> len:num <span class="Special"><-</span> length *buf -<span id="L525" class="LineNr"> 525 </span> <a href='../081print.mu.html#L782'>screen-height</a>:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> +<span id="L525" class="LineNr"> 525 </span> screen-height:num <span class="Special"><-</span> screen-height screen <span id="L526" class="LineNr"> 526 </span> <span class="Delimiter">{</span> -<span id="L527" class="LineNr"> 527 </span> <span class="Conceal">¦</span> done?:bool <span class="Special"><-</span> greater-or-equal i, len -<span id="L528" class="LineNr"> 528 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L529" class="LineNr"> 529 </span> <span class="Conceal">¦</span> done? <span class="Special"><-</span> greater-or-equal row, <a href='../081print.mu.html#L782'>screen-height</a> -<span id="L530" class="LineNr"> 530 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> done? -<span id="L531" class="LineNr"> 531 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> copy left -<span id="L532" class="LineNr"> 532 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, row, column -<span id="L533" class="LineNr"> 533 </span> <span class="Conceal">¦</span> <span class="Comment"># initial leader for each row: two spaces and a '.'</span> -<span id="L534" class="LineNr"> 534 </span> <span class="Conceal">¦</span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> -<span id="L535" class="LineNr"> 535 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, space, <span class="Constant">245/grey</span> -<span id="L536" class="LineNr"> 536 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, space, <span class="Constant">245/grey</span> -<span id="L537" class="LineNr"> 537 </span> <span class="Conceal">¦</span> full-stop:char <span class="Special"><-</span> copy <span class="Constant">46/period</span> -<span id="L538" class="LineNr"> 538 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, full-stop, <span class="Constant">245/grey</span> -<span id="L539" class="LineNr"> 539 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add left,<span class="Constant"> 3</span> -<span id="L540" class="LineNr"> 540 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L541" class="LineNr"> 541 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># print row</span> -<span id="L542" class="LineNr"> 542 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> row-done?:bool <span class="Special"><-</span> greater-or-equal column, max-column -<span id="L543" class="LineNr"> 543 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> row-done? -<span id="L544" class="LineNr"> 544 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr:<a href='../081print.mu.html#L27'>screen-cell</a> <span class="Special"><-</span> index *buf, i -<span id="L545" class="LineNr"> 545 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get curr, <span class="Constant">contents:offset</span> -<span id="L546" class="LineNr"> 546 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> color:num <span class="Special"><-</span> get curr, <span class="Constant">color:offset</span> -<span id="L547" class="LineNr"> 547 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L548" class="LineNr"> 548 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># damp whites down to grey</span> -<span id="L549" class="LineNr"> 549 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> white?:bool <span class="Special"><-</span> equal color, <span class="Constant">7/white</span> -<span id="L550" class="LineNr"> 550 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> white? -<span id="L551" class="LineNr"> 551 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> color <span class="Special"><-</span> copy <span class="Constant">245/grey</span> -<span id="L552" class="LineNr"> 552 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L553" class="LineNr"> 553 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, c, color -<span id="L554" class="LineNr"> 554 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L555" class="LineNr"> 555 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<span id="L556" class="LineNr"> 556 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L557" class="LineNr"> 557 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L558" class="LineNr"> 558 </span> <span class="Conceal">¦</span> <span class="Comment"># print final '.'</span> -<span id="L559" class="LineNr"> 559 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, full-stop, <span class="Constant">245/grey</span> -<span id="L560" class="LineNr"> 560 </span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L561" class="LineNr"> 561 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L562" class="LineNr"> 562 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># clear rest of current line</span> -<span id="L563" class="LineNr"> 563 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> line-done?:bool <span class="Special"><-</span> greater-than column, right -<span id="L564" class="LineNr"> 564 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> line-done? -<span id="L565" class="LineNr"> 565 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, space -<span id="L566" class="LineNr"> 566 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> -<span id="L567" class="LineNr"> 567 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L568" class="LineNr"> 568 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L569" class="LineNr"> 569 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L570" class="LineNr"> 570 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L527" class="LineNr"> 527 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<span id="L528" class="LineNr"> 528 </span> <span class="muControl">break-if</span> done? +<span id="L529" class="LineNr"> 529 </span> done? <span class="Special"><-</span> greater-or-equal row, screen-height +<span id="L530" class="LineNr"> 530 </span> <span class="muControl">break-if</span> done? +<span id="L531" class="LineNr"> 531 </span> column <span class="Special"><-</span> copy left +<span id="L532" class="LineNr"> 532 </span> screen <span class="Special"><-</span> move-cursor screen, row, column +<span id="L533" class="LineNr"> 533 </span> <span class="Comment"># initial leader for each row: two spaces and a '.'</span> +<span id="L534" class="LineNr"> 534 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> +<span id="L535" class="LineNr"> 535 </span> print screen, space, <span class="Constant">245/grey</span> +<span id="L536" class="LineNr"> 536 </span> print screen, space, <span class="Constant">245/grey</span> +<span id="L537" class="LineNr"> 537 </span> full-stop:char <span class="Special"><-</span> copy <span class="Constant">46/period</span> +<span id="L538" class="LineNr"> 538 </span> print screen, full-stop, <span class="Constant">245/grey</span> +<span id="L539" class="LineNr"> 539 </span> column <span class="Special"><-</span> add left,<span class="Constant"> 3</span> +<span id="L540" class="LineNr"> 540 </span> <span class="Delimiter">{</span> +<span id="L541" class="LineNr"> 541 </span> <span class="Comment"># print row</span> +<span id="L542" class="LineNr"> 542 </span> row-done?:bool <span class="Special"><-</span> greater-or-equal column, max-column +<span id="L543" class="LineNr"> 543 </span> <span class="muControl">break-if</span> row-done? +<span id="L544" class="LineNr"> 544 </span> curr:screen-cell <span class="Special"><-</span> index *buf, i +<span id="L545" class="LineNr"> 545 </span> c:char <span class="Special"><-</span> get curr, <span class="Constant">contents:offset</span> +<span id="L546" class="LineNr"> 546 </span> color:num <span class="Special"><-</span> get curr, <span class="Constant">color:offset</span> +<span id="L547" class="LineNr"> 547 </span> <span class="Delimiter">{</span> +<span id="L548" class="LineNr"> 548 </span> <span class="Comment"># damp whites down to grey</span> +<span id="L549" class="LineNr"> 549 </span> white?:bool <span class="Special"><-</span> equal color, <span class="Constant">7/white</span> +<span id="L550" class="LineNr"> 550 </span> <span class="muControl">break-unless</span> white? +<span id="L551" class="LineNr"> 551 </span> color <span class="Special"><-</span> copy <span class="Constant">245/grey</span> +<span id="L552" class="LineNr"> 552 </span> <span class="Delimiter">}</span> +<span id="L553" class="LineNr"> 553 </span> print screen, c, color +<span id="L554" class="LineNr"> 554 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L555" class="LineNr"> 555 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L556" class="LineNr"> 556 </span> <span class="muControl"> loop</span> +<span id="L557" class="LineNr"> 557 </span> <span class="Delimiter">}</span> +<span id="L558" class="LineNr"> 558 </span> <span class="Comment"># print final '.'</span> +<span id="L559" class="LineNr"> 559 </span> print screen, full-stop, <span class="Constant">245/grey</span> +<span id="L560" class="LineNr"> 560 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L561" class="LineNr"> 561 </span> <span class="Delimiter">{</span> +<span id="L562" class="LineNr"> 562 </span> <span class="Comment"># clear rest of current line</span> +<span id="L563" class="LineNr"> 563 </span> line-done?:bool <span class="Special"><-</span> greater-than column, right +<span id="L564" class="LineNr"> 564 </span> <span class="muControl">break-if</span> line-done? +<span id="L565" class="LineNr"> 565 </span> print screen, space +<span id="L566" class="LineNr"> 566 </span> column <span class="Special"><-</span> add column,<span class="Constant"> 1</span> +<span id="L567" class="LineNr"> 567 </span> <span class="muControl"> loop</span> +<span id="L568" class="LineNr"> 568 </span> <span class="Delimiter">}</span> +<span id="L569" class="LineNr"> 569 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<span id="L570" class="LineNr"> 570 </span> <span class="muControl"> loop</span> <span id="L571" class="LineNr"> 571 </span> <span class="Delimiter">}</span> <span id="L572" class="LineNr"> 572 </span>] <span id="L573" class="LineNr"> 573 </span> @@ -640,71 +639,71 @@ if ('onhashchange' in window) { <span id="L577" class="LineNr"> 577 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">12/height</span> <span id="L578" class="LineNr"> 578 </span> <span class="Comment"># define a recipe (no indent for the 'add' line below so column numbers are more obvious)</span> <span id="L579" class="LineNr"> 579 </span> assume-resources [ -<span id="L580" class="LineNr"> 580 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L581" class="LineNr"> 581 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> ||</span> -<span id="L582" class="LineNr"> 582 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L583" class="LineNr"> 583 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | local-scope|</span> -<span id="L584" class="LineNr"> 584 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | z:num <- add 2, 2|</span> -<span id="L585" class="LineNr"> 585 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | reply z|</span> -<span id="L586" class="LineNr"> 586 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L587" class="LineNr"> 587 </span> <span class="Conceal">¦</span> ] +<span id="L580" class="LineNr"> 580 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L581" class="LineNr"> 581 </span><span class="Constant"> ||</span> +<span id="L582" class="LineNr"> 582 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L583" class="LineNr"> 583 </span><span class="Constant"> | local-scope|</span> +<span id="L584" class="LineNr"> 584 </span><span class="Constant"> | z:num <- add 2, 2|</span> +<span id="L585" class="LineNr"> 585 </span><span class="Constant"> | reply z|</span> +<span id="L586" class="LineNr"> 586 </span><span class="Constant"> |]</span>| +<span id="L587" class="LineNr"> 587 </span> ] <span id="L588" class="LineNr"> 588 </span> ] <span id="L589" class="LineNr"> 589 </span> <span class="Comment"># sandbox editor contains an instruction without storing outputs</span> -<span id="L590" class="LineNr"> 590 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> <span class="Comment"># contents of sandbox editor</span> -<span id="L591" class="LineNr"> 591 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L590" class="LineNr"> 590 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> <span class="Comment"># contents of sandbox editor</span> +<span id="L591" class="LineNr"> 591 </span> render-all screen, env, render <span id="L592" class="LineNr"> 592 </span> $clear-trace <span id="L593" class="LineNr"> 593 </span> <span class="Comment"># run the code in the editors</span> <span id="L594" class="LineNr"> 594 </span> assume-console [ -<span id="L595" class="LineNr"> 595 </span> <span class="Conceal">¦</span> press F4 +<span id="L595" class="LineNr"> 595 </span> press F4 <span id="L596" class="LineNr"> 596 </span> ] -<span id="L597" class="LineNr"> 597 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L597" class="LineNr"> 597 </span> event-loop screen, console, env, resources <span id="L598" class="LineNr"> 598 </span> screen-should-contain [ -<span id="L599" class="LineNr"> 599 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L600" class="LineNr"> 600 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L601" class="LineNr"> 601 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎─────────────────────────────────────────────────.</span> -<span id="L602" class="LineNr"> 602 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎0 edit copy to recipe delete .</span> -<span id="L603" class="LineNr"> 603 </span> <span class="Conceal">¦</span><span class="Constant"> . z:num <- add 2, 2 ╎foo .</span> -<span id="L604" class="LineNr"> 604 </span> <span class="Conceal">¦</span><span class="Constant"> . reply z ╎4 .</span> -<span id="L605" class="LineNr"> 605 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎─────────────────────────────────────────────────.</span> -<span id="L606" class="LineNr"> 606 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L607" class="LineNr"> 607 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L608" class="LineNr"> 608 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L599" class="LineNr"> 599 </span> <span class="Constant"> . run (F4) .</span> +<span id="L600" class="LineNr"> 600 </span> <span class="Constant"> . ╎ .</span> +<span id="L601" class="LineNr"> 601 </span> <span class="Constant"> .recipe foo [ ╎─────────────────────────────────────────────────.</span> +<span id="L602" class="LineNr"> 602 </span> <span class="Constant"> . local-scope ╎0 edit copy to recipe delete .</span> +<span id="L603" class="LineNr"> 603 </span> <span class="Constant"> . z:num <- add 2, 2 ╎foo .</span> +<span id="L604" class="LineNr"> 604 </span> <span class="Constant"> . reply z ╎4 .</span> +<span id="L605" class="LineNr"> 605 </span> <span class="Constant"> .] ╎─────────────────────────────────────────────────.</span> +<span id="L606" class="LineNr"> 606 </span> <span class="Constant"> . ╎ .</span> +<span id="L607" class="LineNr"> 607 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L608" class="LineNr"> 608 </span> <span class="Constant"> . ╎ .</span> <span id="L609" class="LineNr"> 609 </span> ] <span id="L610" class="LineNr"> 610 </span> <span class="Comment"># the new sandbox should be saved to disk</span> <span id="L611" class="LineNr"> 611 </span> trace-should-contain [ -<span id="L612" class="LineNr"> 612 </span> <span class="Conceal">¦</span> app: save sandboxes +<span id="L612" class="LineNr"> 612 </span> app: save sandboxes <span id="L613" class="LineNr"> 613 </span> ] <span id="L614" class="LineNr"> 614 </span> <span class="Comment"># no need to update editor</span> <span id="L615" class="LineNr"> 615 </span> trace-should-not-contain [ -<span id="L616" class="LineNr"> 616 </span> <span class="Conceal">¦</span> app: <a href='001-editor.mu.html#L107'>render</a> recipes +<span id="L616" class="LineNr"> 616 </span> app: render recipes <span id="L617" class="LineNr"> 617 </span> ] <span id="L618" class="LineNr"> 618 </span> <span class="Comment"># make a change (incrementing one of the args to 'add'), then rerun</span> <span id="L619" class="LineNr"> 619 </span> $clear-trace <span id="L620" class="LineNr"> 620 </span> assume-console [ -<span id="L621" class="LineNr"> 621 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 28</span> <span class="Comment"># one past the value of the second arg</span> -<span id="L622" class="LineNr"> 622 </span> <span class="Conceal">¦</span> press backspace -<span id="L623" class="LineNr"> 623 </span> <span class="Conceal">¦</span> type <span class="Constant">[3]</span> -<span id="L624" class="LineNr"> 624 </span> <span class="Conceal">¦</span> press F4 +<span id="L621" class="LineNr"> 621 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 28</span> <span class="Comment"># one past the value of the second arg</span> +<span id="L622" class="LineNr"> 622 </span> press backspace +<span id="L623" class="LineNr"> 623 </span> type <span class="Constant">[3]</span> +<span id="L624" class="LineNr"> 624 </span> press F4 <span id="L625" class="LineNr"> 625 </span> ] <span id="L626" class="LineNr"> 626 </span> run [ -<span id="L627" class="LineNr"> 627 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L627" class="LineNr"> 627 </span> event-loop screen, console, env, resources <span id="L628" class="LineNr"> 628 </span> ] <span id="L629" class="LineNr"> 629 </span> <span class="Comment"># check that screen updates the result on the right</span> <span id="L630" class="LineNr"> 630 </span> screen-should-contain [ -<span id="L631" class="LineNr"> 631 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L632" class="LineNr"> 632 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L633" class="LineNr"> 633 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎─────────────────────────────────────────────────.</span> -<span id="L634" class="LineNr"> 634 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎0 edit copy to recipe delete .</span> -<span id="L635" class="LineNr"> 635 </span> <span class="Conceal">¦</span><span class="Constant"> . z:num <- add 2, 3 ╎foo .</span> -<span id="L636" class="LineNr"> 636 </span> <span class="Conceal">¦</span><span class="Constant"> . reply z ╎5 .</span> -<span id="L637" class="LineNr"> 637 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎─────────────────────────────────────────────────.</span> -<span id="L638" class="LineNr"> 638 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L639" class="LineNr"> 639 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L640" class="LineNr"> 640 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L631" class="LineNr"> 631 </span> <span class="Constant"> . run (F4) .</span> +<span id="L632" class="LineNr"> 632 </span> <span class="Constant"> . ╎ .</span> +<span id="L633" class="LineNr"> 633 </span> <span class="Constant"> .recipe foo [ ╎─────────────────────────────────────────────────.</span> +<span id="L634" class="LineNr"> 634 </span> <span class="Constant"> . local-scope ╎0 edit copy to recipe delete .</span> +<span id="L635" class="LineNr"> 635 </span> <span class="Constant"> . z:num <- add 2, 3 ╎foo .</span> +<span id="L636" class="LineNr"> 636 </span> <span class="Constant"> . reply z ╎5 .</span> +<span id="L637" class="LineNr"> 637 </span> <span class="Constant"> .] ╎─────────────────────────────────────────────────.</span> +<span id="L638" class="LineNr"> 638 </span> <span class="Constant"> . ╎ .</span> +<span id="L639" class="LineNr"> 639 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L640" class="LineNr"> 640 </span> <span class="Constant"> . ╎ .</span> <span id="L641" class="LineNr"> 641 </span> ] <span id="L642" class="LineNr"> 642 </span> <span class="Comment"># no need to save sandboxes all over again</span> <span id="L643" class="LineNr"> 643 </span> trace-should-not-contain [ -<span id="L644" class="LineNr"> 644 </span> <span class="Conceal">¦</span> app: save sandboxes +<span id="L644" class="LineNr"> 644 </span> app: save sandboxes <span id="L645" class="LineNr"> 645 </span> ] <span id="L646" class="LineNr"> 646 </span>] <span id="L647" class="LineNr"> 647 </span> @@ -716,67 +715,67 @@ if ('onhashchange' in window) { <span id="L653" class="LineNr"> 653 </span> assume-resources [ <span id="L654" class="LineNr"> 654 </span> ] <span id="L655" class="LineNr"> 655 </span> <span class="Comment"># sandbox editor contains an instruction</span> -<span id="L656" class="LineNr"> 656 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[print <a href='../081print.mu.html#L16'>screen</a>, 4]</span> <span class="Comment"># contents of sandbox editor</span> -<span id="L657" class="LineNr"> 657 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L656" class="LineNr"> 656 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[print screen, 4]</span> <span class="Comment"># contents of sandbox editor</span> +<span id="L657" class="LineNr"> 657 </span> render-all screen, env, render <span id="L658" class="LineNr"> 658 </span> <span class="Comment"># run the code in the editor</span> <span id="L659" class="LineNr"> 659 </span> assume-console [ -<span id="L660" class="LineNr"> 660 </span> <span class="Conceal">¦</span> press F4 +<span id="L660" class="LineNr"> 660 </span> press F4 <span id="L661" class="LineNr"> 661 </span> ] <span id="L662" class="LineNr"> 662 </span> run [ -<span id="L663" class="LineNr"> 663 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L663" class="LineNr"> 663 </span> event-loop screen, console, env, resources <span id="L664" class="LineNr"> 664 </span> ] <span id="L665" class="LineNr"> 665 </span> <span class="Comment"># check that it prints a little toy screen</span> <span id="L666" class="LineNr"> 666 </span> screen-should-contain [ -<span id="L667" class="LineNr"> 667 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L668" class="LineNr"> 668 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L669" class="LineNr"> 669 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L670" class="LineNr"> 670 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L671" class="LineNr"> 671 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎print <a href='../081print.mu.html#L16'>screen</a>, 4 .</span> -<span id="L672" class="LineNr"> 672 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎screen: .</span> -<span id="L673" class="LineNr"> 673 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .4 . .</span> -<span id="L674" class="LineNr"> 674 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L675" class="LineNr"> 675 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L676" class="LineNr"> 676 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L677" class="LineNr"> 677 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L678" class="LineNr"> 678 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L679" class="LineNr"> 679 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L667" class="LineNr"> 667 </span> <span class="Constant"> . run (F4) .</span> +<span id="L668" class="LineNr"> 668 </span> <span class="Constant"> . ╎ .</span> +<span id="L669" class="LineNr"> 669 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L670" class="LineNr"> 670 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L671" class="LineNr"> 671 </span> <span class="Constant"> . ╎print screen, 4 .</span> +<span id="L672" class="LineNr"> 672 </span> <span class="Constant"> . ╎screen: .</span> +<span id="L673" class="LineNr"> 673 </span> <span class="Constant"> . ╎ .4 . .</span> +<span id="L674" class="LineNr"> 674 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L675" class="LineNr"> 675 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L676" class="LineNr"> 676 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L677" class="LineNr"> 677 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L678" class="LineNr"> 678 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L679" class="LineNr"> 679 </span> <span class="Constant"> . ╎ .</span> <span id="L680" class="LineNr"> 680 </span> ] <span id="L681" class="LineNr"> 681 </span>] <span id="L682" class="LineNr"> 682 </span> -<span id="L683" class="LineNr"> 683 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L683'>editor-contents</a> editor:&:editor<span class="muRecipe"> -> </span>result:text [ +<span id="L683" class="LineNr"> 683 </span><span class="muRecipe">def</span> editor-contents editor:&:editor<span class="muRecipe"> -> </span>result:text [ <span id="L684" class="LineNr"> 684 </span> <span class="Constant">local-scope</span> <span id="L685" class="LineNr"> 685 </span> <span class="Constant">load-inputs</span> -<span id="L686" class="LineNr"> 686 </span> buf:&:<a href='../061text.mu.html#L120'>buffer</a>:char <span class="Special"><-</span> <a href='../061text.mu.html#L125'>new-buffer</a><span class="Constant"> 80</span> -<span id="L687" class="LineNr"> 687 </span> curr:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L686" class="LineNr"> 686 </span> buf:&:buffer:char <span class="Special"><-</span> new-buffer<span class="Constant"> 80</span> +<span id="L687" class="LineNr"> 687 </span> curr:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> <span id="L688" class="LineNr"> 688 </span> <span class="Comment"># skip § sentinel</span> <span id="L689" class="LineNr"> 689 </span> assert curr, <span class="Constant">[editor without data is illegal; must have at least a sentinel]</span> -<span id="L690" class="LineNr"> 690 </span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr +<span id="L690" class="LineNr"> 690 </span> curr <span class="Special"><-</span> next curr <span id="L691" class="LineNr"> 691 </span> <span class="muControl">return-unless</span> curr,<span class="Constant"> 0</span> <span id="L692" class="LineNr"> 692 </span> <span class="Delimiter">{</span> -<span id="L693" class="LineNr"> 693 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr -<span id="L694" class="LineNr"> 694 </span> <span class="Conceal">¦</span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> -<span id="L695" class="LineNr"> 695 </span> <span class="Conceal">¦</span> buf <span class="Special"><-</span> append buf, c -<span id="L696" class="LineNr"> 696 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> curr -<span id="L697" class="LineNr"> 697 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L693" class="LineNr"> 693 </span> <span class="muControl">break-unless</span> curr +<span id="L694" class="LineNr"> 694 </span> c:char <span class="Special"><-</span> get *curr, <span class="Constant">value:offset</span> +<span id="L695" class="LineNr"> 695 </span> buf <span class="Special"><-</span> append buf, c +<span id="L696" class="LineNr"> 696 </span> curr <span class="Special"><-</span> next curr +<span id="L697" class="LineNr"> 697 </span> <span class="muControl"> loop</span> <span id="L698" class="LineNr"> 698 </span> <span class="Delimiter">}</span> -<span id="L699" class="LineNr"> 699 </span> result <span class="Special"><-</span> <a href='../061text.mu.html#L338'>buffer-to-array</a> buf +<span id="L699" class="LineNr"> 699 </span> result <span class="Special"><-</span> buffer-to-array buf <span id="L700" class="LineNr"> 700 </span>] <span id="L701" class="LineNr"> 701 </span> <span id="L702" class="LineNr"> 702 </span><span class="muScenario">scenario</span> editor-provides-edited-contents [ <span id="L703" class="LineNr"> 703 </span> <span class="Constant">local-scope</span> <span id="L704" class="LineNr"> 704 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L705" class="LineNr"> 705 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L705" class="LineNr"> 705 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> <span id="L706" class="LineNr"> 706 </span> assume-console [ -<span id="L707" class="LineNr"> 707 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<span id="L708" class="LineNr"> 708 </span> <span class="Conceal">¦</span> type <span class="Constant">[def]</span> +<span id="L707" class="LineNr"> 707 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L708" class="LineNr"> 708 </span> type <span class="Constant">[def]</span> <span id="L709" class="LineNr"> 709 </span> ] <span id="L710" class="LineNr"> 710 </span> run [ -<span id="L711" class="LineNr"> 711 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L712" class="LineNr"> 712 </span> <span class="Conceal">¦</span> s:text <span class="Special"><-</span> <a href='005-sandbox.mu.html#L683'>editor-contents</a> e -<span id="L713" class="LineNr"> 713 </span> <span class="Conceal">¦</span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s +<span id="L711" class="LineNr"> 711 </span> editor-event-loop screen, console, e +<span id="L712" class="LineNr"> 712 </span> s:text <span class="Special"><-</span> editor-contents e +<span id="L713" class="LineNr"> 713 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s <span id="L714" class="LineNr"> 714 </span> ] <span id="L715" class="LineNr"> 715 </span> memory-should-contain [ -<span id="L716" class="LineNr"> 716 </span> <span class="Conceal">¦</span> 1:array:character <span class="Special"><-</span> <span class="Constant">[abdefc]</span> +<span id="L716" class="LineNr"> 716 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[abdefc]</span> <span id="L717" class="LineNr"> 717 </span> ] <span id="L718" class="LineNr"> 718 </span>] <span id="L719" class="LineNr"> 719 </span> @@ -788,20 +787,20 @@ if ('onhashchange' in window) { <span id="L725" class="LineNr"> 725 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L726" class="LineNr"> 726 </span> assume-resources [ <span id="L727" class="LineNr"> 727 </span> ] -<span id="L728" class="LineNr"> 728 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L729" class="LineNr"> 729 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L728" class="LineNr"> 728 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L729" class="LineNr"> 729 </span> render-all screen, env, render <span id="L730" class="LineNr"> 730 </span> assume-console [ -<span id="L731" class="LineNr"> 731 </span> <span class="Conceal">¦</span> press enter -<span id="L732" class="LineNr"> 732 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L731" class="LineNr"> 731 </span> press enter +<span id="L732" class="LineNr"> 732 </span> press down-arrow <span id="L733" class="LineNr"> 733 </span> ] -<span id="L734" class="LineNr"> 734 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L734" class="LineNr"> 734 </span> event-loop screen, console, env, resources <span id="L735" class="LineNr"> 735 </span> <span class="Comment"># no scroll</span> <span id="L736" class="LineNr"> 736 </span> screen-should-contain [ -<span id="L737" class="LineNr"> 737 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L738" class="LineNr"> 738 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L739" class="LineNr"> 739 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L740" class="LineNr"> 740 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L741" class="LineNr"> 741 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L737" class="LineNr"> 737 </span> <span class="Constant"> . run (F4) .</span> +<span id="L738" class="LineNr"> 738 </span> <span class="Constant"> . ╎ .</span> +<span id="L739" class="LineNr"> 739 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L740" class="LineNr"> 740 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L741" class="LineNr"> 741 </span> <span class="Constant"> . ╎ .</span> <span id="L742" class="LineNr"> 742 </span> ] <span id="L743" class="LineNr"> 743 </span>] <span id="L744" class="LineNr"> 744 </span> @@ -811,23 +810,23 @@ if ('onhashchange' in window) { <span id="L748" class="LineNr"> 748 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L749" class="LineNr"> 749 </span> assume-resources [ <span id="L750" class="LineNr"> 750 </span> ] -<span id="L751" class="LineNr"> 751 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L752" class="LineNr"> 752 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L751" class="LineNr"> 751 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L752" class="LineNr"> 752 </span> render-all screen, env, render <span id="L753" class="LineNr"> 753 </span> assume-console [ -<span id="L754" class="LineNr"> 754 </span> <span class="Conceal">¦</span> press enter -<span id="L755" class="LineNr"> 755 </span> <span class="Conceal">¦</span> press up-arrow -<span id="L756" class="LineNr"> 756 </span> <span class="Conceal">¦</span> press down-arrow <span class="Comment"># while cursor isn't at bottom</span> +<span id="L754" class="LineNr"> 754 </span> press enter +<span id="L755" class="LineNr"> 755 </span> press up-arrow +<span id="L756" class="LineNr"> 756 </span> press down-arrow <span class="Comment"># while cursor isn't at bottom</span> <span id="L757" class="LineNr"> 757 </span> ] -<span id="L758" class="LineNr"> 758 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L758" class="LineNr"> 758 </span> event-loop screen, console, env, resources <span id="L759" class="LineNr"> 759 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L760" class="LineNr"> 760 </span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L760" class="LineNr"> 760 </span> print screen, cursor <span id="L761" class="LineNr"> 761 </span> <span class="Comment"># cursor moves back to bottom</span> <span id="L762" class="LineNr"> 762 </span> screen-should-contain [ -<span id="L763" class="LineNr"> 763 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L764" class="LineNr"> 764 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L765" class="LineNr"> 765 </span> <span class="Conceal">¦</span><span class="Constant"> .␣ ╎─────────────────────────────────────────────────.</span> -<span id="L766" class="LineNr"> 766 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L767" class="LineNr"> 767 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L763" class="LineNr"> 763 </span> <span class="Constant"> . run (F4) .</span> +<span id="L764" class="LineNr"> 764 </span> <span class="Constant"> . ╎ .</span> +<span id="L765" class="LineNr"> 765 </span> <span class="Constant"> .␣ ╎─────────────────────────────────────────────────.</span> +<span id="L766" class="LineNr"> 766 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L767" class="LineNr"> 767 </span> <span class="Constant"> . ╎ .</span> <span id="L768" class="LineNr"> 768 </span> ] <span id="L769" class="LineNr"> 769 </span>] <span id="L770" class="LineNr"> 770 </span> @@ -837,24 +836,24 @@ if ('onhashchange' in window) { <span id="L774" class="LineNr"> 774 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L775" class="LineNr"> 775 </span> assume-resources [ <span id="L776" class="LineNr"> 776 </span> ] -<span id="L777" class="LineNr"> 777 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L778" class="LineNr"> 778 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L777" class="LineNr"> 777 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L778" class="LineNr"> 778 </span> render-all screen, env, render <span id="L779" class="LineNr"> 779 </span> assume-console [ -<span id="L780" class="LineNr"> 780 </span> <span class="Conceal">¦</span> <span class="Comment"># add a line</span> -<span id="L781" class="LineNr"> 781 </span> <span class="Conceal">¦</span> press enter -<span id="L782" class="LineNr"> 782 </span> <span class="Conceal">¦</span> <span class="Comment"># cursor back to top line</span> -<span id="L783" class="LineNr"> 783 </span> <span class="Conceal">¦</span> press up-arrow -<span id="L784" class="LineNr"> 784 </span> <span class="Conceal">¦</span> <span class="Comment"># try to scroll</span> -<span id="L785" class="LineNr"> 785 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> <span class="Comment"># or ctrl-f</span> +<span id="L780" class="LineNr"> 780 </span> <span class="Comment"># add a line</span> +<span id="L781" class="LineNr"> 781 </span> press enter +<span id="L782" class="LineNr"> 782 </span> <span class="Comment"># cursor back to top line</span> +<span id="L783" class="LineNr"> 783 </span> press up-arrow +<span id="L784" class="LineNr"> 784 </span> <span class="Comment"># try to scroll</span> +<span id="L785" class="LineNr"> 785 </span> press page-down <span class="Comment"># or ctrl-f</span> <span id="L786" class="LineNr"> 786 </span> ] -<span id="L787" class="LineNr"> 787 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L787" class="LineNr"> 787 </span> event-loop screen, console, env, resources <span id="L788" class="LineNr"> 788 </span> <span class="Comment"># no scroll, and cursor remains at top line</span> <span id="L789" class="LineNr"> 789 </span> screen-should-contain [ -<span id="L790" class="LineNr"> 790 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L791" class="LineNr"> 791 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L792" class="LineNr"> 792 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L793" class="LineNr"> 793 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L794" class="LineNr"> 794 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L790" class="LineNr"> 790 </span> <span class="Constant"> . run (F4) .</span> +<span id="L791" class="LineNr"> 791 </span> <span class="Constant"> . ╎ .</span> +<span id="L792" class="LineNr"> 792 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L793" class="LineNr"> 793 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L794" class="LineNr"> 794 </span> <span class="Constant"> . ╎ .</span> <span id="L795" class="LineNr"> 795 </span> ] <span id="L796" class="LineNr"> 796 </span>] <span id="L797" class="LineNr"> 797 </span> @@ -864,27 +863,27 @@ if ('onhashchange' in window) { <span id="L801" class="LineNr"> 801 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L802" class="LineNr"> 802 </span> assume-resources [ <span id="L803" class="LineNr"> 803 </span> ] -<span id="L804" class="LineNr"> 804 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[ab</span> +<span id="L804" class="LineNr"> 804 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[ab</span> <span id="L805" class="LineNr"> 805 </span><span class="Constant">cd]</span> -<span id="L806" class="LineNr"> 806 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L806" class="LineNr"> 806 </span> render-all screen, env, render <span id="L807" class="LineNr"> 807 </span> assume-console [ -<span id="L808" class="LineNr"> 808 </span> <span class="Conceal">¦</span> <span class="Comment"># add a line</span> -<span id="L809" class="LineNr"> 809 </span> <span class="Conceal">¦</span> press enter -<span id="L810" class="LineNr"> 810 </span> <span class="Conceal">¦</span> <span class="Comment"># switch to sandbox</span> -<span id="L811" class="LineNr"> 811 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L812" class="LineNr"> 812 </span> <span class="Conceal">¦</span> <span class="Comment"># move cursor</span> -<span id="L813" class="LineNr"> 813 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L808" class="LineNr"> 808 </span> <span class="Comment"># add a line</span> +<span id="L809" class="LineNr"> 809 </span> press enter +<span id="L810" class="LineNr"> 810 </span> <span class="Comment"># switch to sandbox</span> +<span id="L811" class="LineNr"> 811 </span> press ctrl-n +<span id="L812" class="LineNr"> 812 </span> <span class="Comment"># move cursor</span> +<span id="L813" class="LineNr"> 813 </span> press down-arrow <span id="L814" class="LineNr"> 814 </span> ] -<span id="L815" class="LineNr"> 815 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L815" class="LineNr"> 815 </span> event-loop screen, console, env, resources <span id="L816" class="LineNr"> 816 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L817" class="LineNr"> 817 </span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L817" class="LineNr"> 817 </span> print screen, cursor <span id="L818" class="LineNr"> 818 </span> <span class="Comment"># no scroll on recipe side, cursor moves on sandbox side</span> <span id="L819" class="LineNr"> 819 </span> screen-should-contain [ -<span id="L820" class="LineNr"> 820 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L821" class="LineNr"> 821 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ab .</span> -<span id="L822" class="LineNr"> 822 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎␣d .</span> -<span id="L823" class="LineNr"> 823 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L824" class="LineNr"> 824 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L820" class="LineNr"> 820 </span> <span class="Constant"> . run (F4) .</span> +<span id="L821" class="LineNr"> 821 </span> <span class="Constant"> . ╎ab .</span> +<span id="L822" class="LineNr"> 822 </span> <span class="Constant"> . ╎␣d .</span> +<span id="L823" class="LineNr"> 823 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L824" class="LineNr"> 824 </span> <span class="Constant"> . ╎ .</span> <span id="L825" class="LineNr"> 825 </span> ] <span id="L826" class="LineNr"> 826 </span>] <span id="L827" class="LineNr"> 827 </span> @@ -897,127 +896,127 @@ if ('onhashchange' in window) { <span id="L834" class="LineNr"> 834 </span> <span class="Comment"># initialize</span> <span id="L835" class="LineNr"> 835 </span> assume-resources [ <span id="L836" class="LineNr"> 836 </span> ] -<span id="L837" class="LineNr"> 837 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 2, 2]</span> -<span id="L838" class="LineNr"> 838 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L837" class="LineNr"> 837 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[add 2, 2]</span> +<span id="L838" class="LineNr"> 838 </span> render-all screen, env, render <span id="L839" class="LineNr"> 839 </span> assume-console [ -<span id="L840" class="LineNr"> 840 </span> <span class="Conceal">¦</span> <span class="Comment"># create a sandbox</span> -<span id="L841" class="LineNr"> 841 </span> <span class="Conceal">¦</span> press F4 +<span id="L840" class="LineNr"> 840 </span> <span class="Comment"># create a sandbox</span> +<span id="L841" class="LineNr"> 841 </span> press F4 <span id="L842" class="LineNr"> 842 </span> ] -<span id="L843" class="LineNr"> 843 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L843" class="LineNr"> 843 </span> event-loop screen, console, env, resources <span id="L844" class="LineNr"> 844 </span> screen-should-contain [ -<span id="L845" class="LineNr"> 845 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L846" class="LineNr"> 846 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L847" class="LineNr"> 847 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L848" class="LineNr"> 848 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L849" class="LineNr"> 849 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> +<span id="L845" class="LineNr"> 845 </span> <span class="Constant"> . run (F4) .</span> +<span id="L846" class="LineNr"> 846 </span> <span class="Constant"> . ╎ .</span> +<span id="L847" class="LineNr"> 847 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L848" class="LineNr"> 848 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L849" class="LineNr"> 849 </span> <span class="Constant"> . ╎add 2, 2 .</span> <span id="L850" class="LineNr"> 850 </span> ] <span id="L851" class="LineNr"> 851 </span> <span class="Comment"># switch to sandbox window and hit 'page-down'</span> <span id="L852" class="LineNr"> 852 </span> assume-console [ -<span id="L853" class="LineNr"> 853 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L854" class="LineNr"> 854 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L853" class="LineNr"> 853 </span> press ctrl-n +<span id="L854" class="LineNr"> 854 </span> press page-down <span id="L855" class="LineNr"> 855 </span> ] <span id="L856" class="LineNr"> 856 </span> run [ -<span id="L857" class="LineNr"> 857 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L858" class="LineNr"> 858 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L859" class="LineNr"> 859 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L857" class="LineNr"> 857 </span> event-loop screen, console, env, resources +<span id="L858" class="LineNr"> 858 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L859" class="LineNr"> 859 </span> print screen, cursor <span id="L860" class="LineNr"> 860 </span> ] <span id="L861" class="LineNr"> 861 </span> <span class="Comment"># sandbox editor hidden; first sandbox displayed</span> <span id="L862" class="LineNr"> 862 </span> <span class="Comment"># cursor moves to first sandbox</span> <span id="L863" class="LineNr"> 863 </span> screen-should-contain [ -<span id="L864" class="LineNr"> 864 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L865" class="LineNr"> 865 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L866" class="LineNr"> 866 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎␣ edit copy to recipe delete .</span> -<span id="L867" class="LineNr"> 867 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L868" class="LineNr"> 868 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L864" class="LineNr"> 864 </span> <span class="Constant"> . run (F4) .</span> +<span id="L865" class="LineNr"> 865 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L866" class="LineNr"> 866 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎␣ edit copy to recipe delete .</span> +<span id="L867" class="LineNr"> 867 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L868" class="LineNr"> 868 </span> <span class="Constant"> . ╎4 .</span> <span id="L869" class="LineNr"> 869 </span> ] <span id="L870" class="LineNr"> 870 </span> <span class="Comment"># hit 'page-up'</span> <span id="L871" class="LineNr"> 871 </span> assume-console [ -<span id="L872" class="LineNr"> 872 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L872" class="LineNr"> 872 </span> press page-up <span id="L873" class="LineNr"> 873 </span> ] <span id="L874" class="LineNr"> 874 </span> run [ -<span id="L875" class="LineNr"> 875 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L876" class="LineNr"> 876 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L877" class="LineNr"> 877 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L875" class="LineNr"> 875 </span> event-loop screen, console, env, resources +<span id="L876" class="LineNr"> 876 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L877" class="LineNr"> 877 </span> print screen, cursor <span id="L878" class="LineNr"> 878 </span> ] <span id="L879" class="LineNr"> 879 </span> <span class="Comment"># sandbox editor displays again, cursor is in editor</span> <span id="L880" class="LineNr"> 880 </span> screen-should-contain [ -<span id="L881" class="LineNr"> 881 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L882" class="LineNr"> 882 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎␣ .</span> -<span id="L883" class="LineNr"> 883 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L884" class="LineNr"> 884 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L885" class="LineNr"> 885 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> +<span id="L881" class="LineNr"> 881 </span> <span class="Constant"> . run (F4) .</span> +<span id="L882" class="LineNr"> 882 </span> <span class="Constant"> . ╎␣ .</span> +<span id="L883" class="LineNr"> 883 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L884" class="LineNr"> 884 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L885" class="LineNr"> 885 </span> <span class="Constant"> . ╎add 2, 2 .</span> <span id="L886" class="LineNr"> 886 </span> ] <span id="L887" class="LineNr"> 887 </span>] <span id="L888" class="LineNr"> 888 </span> <span id="L889" class="LineNr"> 889 </span><span class="Comment"># page-down on sandbox side updates render-from to scroll sandboxes</span> -<span id="L890" class="LineNr"> 890 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L62'><global-keypress></a></span> [ +<span id="L890" class="LineNr"> 890 </span><span class="muRecipe">after</span> <span class="Constant"><global-keypress></span> [ <span id="L891" class="LineNr"> 891 </span> <span class="Delimiter">{</span> -<span id="L892" class="LineNr"> 892 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-in-focus? -<span id="L893" class="LineNr"> 893 </span> <span class="Conceal">¦</span> page-down?:bool <span class="Special"><-</span> equal k, <span class="Constant">65518/page-down</span> -<span id="L894" class="LineNr"> 894 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> page-down? -<span id="L895" class="LineNr"> 895 </span> <span class="Conceal">¦</span> sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> -<span id="L896" class="LineNr"> 896 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox -<span id="L897" class="LineNr"> 897 </span> <span class="Conceal">¦</span> <span class="Comment"># slide down if possible</span> -<span id="L898" class="LineNr"> 898 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L899" class="LineNr"> 899 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> -<span id="L900" class="LineNr"> 900 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> number-of-sandboxes:num <span class="Special"><-</span> get *env, <span class="Constant">number-of-sandboxes:offset</span> -<span id="L901" class="LineNr"> 901 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> max:num <span class="Special"><-</span> subtract number-of-sandboxes,<span class="Constant"> 1</span> -<span id="L902" class="LineNr"> 902 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-end?:bool <span class="Special"><-</span> greater-or-equal render-from, max -<span id="L903" class="LineNr"> 903 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">loop-if</span> at-end?, <span class="Constant">+next-event</span> <span class="Comment"># render nothing</span> -<span id="L904" class="LineNr"> 904 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> render-from <span class="Special"><-</span> add render-from,<span class="Constant"> 1</span> -<span id="L905" class="LineNr"> 905 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>, render-from -<span id="L906" class="LineNr"> 906 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L907" class="LineNr"> 907 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L908" class="LineNr"> 908 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L909" class="LineNr"> 909 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L892" class="LineNr"> 892 </span> <span class="muControl">break-unless</span> sandbox-in-focus? +<span id="L893" class="LineNr"> 893 </span> page-down?:bool <span class="Special"><-</span> equal k, <span class="Constant">65518/page-down</span> +<span id="L894" class="LineNr"> 894 </span> <span class="muControl">break-unless</span> page-down? +<span id="L895" class="LineNr"> 895 </span> sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> +<span id="L896" class="LineNr"> 896 </span> <span class="muControl">break-unless</span> sandbox +<span id="L897" class="LineNr"> 897 </span> <span class="Comment"># slide down if possible</span> +<span id="L898" class="LineNr"> 898 </span> <span class="Delimiter">{</span> +<span id="L899" class="LineNr"> 899 </span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> +<span id="L900" class="LineNr"> 900 </span> number-of-sandboxes:num <span class="Special"><-</span> get *env, <span class="Constant">number-of-sandboxes:offset</span> +<span id="L901" class="LineNr"> 901 </span> max:num <span class="Special"><-</span> subtract number-of-sandboxes,<span class="Constant"> 1</span> +<span id="L902" class="LineNr"> 902 </span> at-end?:bool <span class="Special"><-</span> greater-or-equal render-from, max +<span id="L903" class="LineNr"> 903 </span> <span class="muControl">loop-if</span> at-end?, <span class="Constant">+next-event</span> <span class="Comment"># render nothing</span> +<span id="L904" class="LineNr"> 904 </span> render-from <span class="Special"><-</span> add render-from,<span class="Constant"> 1</span> +<span id="L905" class="LineNr"> 905 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>, render-from +<span id="L906" class="LineNr"> 906 </span> <span class="Delimiter">}</span> +<span id="L907" class="LineNr"> 907 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L908" class="LineNr"> 908 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L909" class="LineNr"> 909 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L910" class="LineNr"> 910 </span> <span class="Delimiter">}</span> <span id="L911" class="LineNr"> 911 </span>] <span id="L912" class="LineNr"> 912 </span> <span id="L913" class="LineNr"> 913 </span><span class="Comment"># update-cursor takes render-from into account</span> -<span id="L914" class="LineNr"> 914 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L475'><update-cursor-special-cases></a></span> [ +<span id="L914" class="LineNr"> 914 </span><span class="muRecipe">after</span> <span class="Constant"><update-cursor-special-cases></span> [ <span id="L915" class="LineNr"> 915 </span> <span class="Delimiter">{</span> -<span id="L916" class="LineNr"> 916 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-in-focus? -<span id="L917" class="LineNr"> 917 </span> <span class="Conceal">¦</span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> -<span id="L918" class="LineNr"> 918 </span> <span class="Conceal">¦</span> scrolling?:bool <span class="Special"><-</span> greater-or-equal render-from,<span class="Constant"> 0</span> -<span id="L919" class="LineNr"> 919 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> scrolling? -<span id="L920" class="LineNr"> 920 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> -<span id="L921" class="LineNr"> 921 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> move-cursor <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">2/row</span>, cursor-column <span class="Comment"># highlighted sandbox will always start at row 2</span> -<span id="L922" class="LineNr"> 922 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L916" class="LineNr"> 916 </span> <span class="muControl">break-unless</span> sandbox-in-focus? +<span id="L917" class="LineNr"> 917 </span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> +<span id="L918" class="LineNr"> 918 </span> scrolling?:bool <span class="Special"><-</span> greater-or-equal render-from,<span class="Constant"> 0</span> +<span id="L919" class="LineNr"> 919 </span> <span class="muControl">break-unless</span> scrolling? +<span id="L920" class="LineNr"> 920 </span> cursor-column:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> +<span id="L921" class="LineNr"> 921 </span> screen <span class="Special"><-</span> move-cursor screen, <span class="Constant">2/row</span>, cursor-column <span class="Comment"># highlighted sandbox will always start at row 2</span> +<span id="L922" class="LineNr"> 922 </span> <span class="muControl"> return</span> <span id="L923" class="LineNr"> 923 </span> <span class="Delimiter">}</span> <span id="L924" class="LineNr"> 924 </span>] <span id="L925" class="LineNr"> 925 </span> <span id="L926" class="LineNr"> 926 </span><span class="Comment"># 'page-up' on sandbox side is like 'page-down': updates render-from when necessary</span> -<span id="L927" class="LineNr"> 927 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L62'><global-keypress></a></span> [ +<span id="L927" class="LineNr"> 927 </span><span class="muRecipe">after</span> <span class="Constant"><global-keypress></span> [ <span id="L928" class="LineNr"> 928 </span> <span class="Delimiter">{</span> -<span id="L929" class="LineNr"> 929 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-in-focus? -<span id="L930" class="LineNr"> 930 </span> <span class="Conceal">¦</span> page-up?:bool <span class="Special"><-</span> equal k, <span class="Constant">65519/page-up</span> -<span id="L931" class="LineNr"> 931 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> page-up? -<span id="L932" class="LineNr"> 932 </span> <span class="Conceal">¦</span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> -<span id="L933" class="LineNr"> 933 </span> <span class="Conceal">¦</span> at-beginning?:bool <span class="Special"><-</span> equal render-from,<span class="Constant"> -1</span> -<span id="L934" class="LineNr"> 934 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-beginning? -<span id="L935" class="LineNr"> 935 </span> <span class="Conceal">¦</span> render-from <span class="Special"><-</span> subtract render-from,<span class="Constant"> 1</span> -<span id="L936" class="LineNr"> 936 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>, render-from -<span id="L937" class="LineNr"> 937 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L938" class="LineNr"> 938 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L939" class="LineNr"> 939 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L929" class="LineNr"> 929 </span> <span class="muControl">break-unless</span> sandbox-in-focus? +<span id="L930" class="LineNr"> 930 </span> page-up?:bool <span class="Special"><-</span> equal k, <span class="Constant">65519/page-up</span> +<span id="L931" class="LineNr"> 931 </span> <span class="muControl">break-unless</span> page-up? +<span id="L932" class="LineNr"> 932 </span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> +<span id="L933" class="LineNr"> 933 </span> at-beginning?:bool <span class="Special"><-</span> equal render-from,<span class="Constant"> -1</span> +<span id="L934" class="LineNr"> 934 </span> <span class="muControl">break-if</span> at-beginning? +<span id="L935" class="LineNr"> 935 </span> render-from <span class="Special"><-</span> subtract render-from,<span class="Constant"> 1</span> +<span id="L936" class="LineNr"> 936 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>, render-from +<span id="L937" class="LineNr"> 937 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L938" class="LineNr"> 938 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L939" class="LineNr"> 939 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L940" class="LineNr"> 940 </span> <span class="Delimiter">}</span> <span id="L941" class="LineNr"> 941 </span>] <span id="L942" class="LineNr"> 942 </span> <span id="L943" class="LineNr"> 943 </span><span class="Comment"># sandbox belonging to 'env' whose next-sandbox is 'in'</span> <span id="L944" class="LineNr"> 944 </span><span class="Comment"># return 0 if there's no such sandbox, either because 'in' doesn't exist in 'env', or because it's the first sandbox</span> -<span id="L945" class="LineNr"> 945 </span><span class="muRecipe">def</span> <a href='005-sandbox.mu.html#L945'>previous-sandbox</a> env:&:environment, in:&:sandbox<span class="muRecipe"> -> </span>out:&:sandbox [ +<span id="L945" class="LineNr"> 945 </span><span class="muRecipe">def</span> previous-sandbox env:&:environment, in:&:sandbox<span class="muRecipe"> -> </span>out:&:sandbox [ <span id="L946" class="LineNr"> 946 </span> <span class="Constant">local-scope</span> <span id="L947" class="LineNr"> 947 </span> <span class="Constant">load-inputs</span> <span id="L948" class="LineNr"> 948 </span> curr:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> <span id="L949" class="LineNr"> 949 </span> <span class="muControl">return-unless</span> curr, <span class="Constant">0/nil</span> -<span id="L950" class="LineNr"> 950 </span> <a href='../065duplex_list.mu.html#L25'>next</a>:&:sandbox <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> +<span id="L950" class="LineNr"> 950 </span> next:&:sandbox <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> <span id="L951" class="LineNr"> 951 </span> <span class="Delimiter">{</span> -<span id="L952" class="LineNr"> 952 </span> <span class="Conceal">¦</span> <span class="muControl">return-unless</span> <a href='../065duplex_list.mu.html#L25'>next</a>, <span class="Constant">0/nil</span> -<span id="L953" class="LineNr"> 953 </span> <span class="Conceal">¦</span> found?:bool <span class="Special"><-</span> equal <a href='../065duplex_list.mu.html#L25'>next</a>, in -<span id="L954" class="LineNr"> 954 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> found? -<span id="L955" class="LineNr"> 955 </span> <span class="Conceal">¦</span> curr <span class="Special"><-</span> copy <a href='../065duplex_list.mu.html#L25'>next</a> -<span id="L956" class="LineNr"> 956 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L25'>next</a> <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> -<span id="L957" class="LineNr"> 957 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L952" class="LineNr"> 952 </span> <span class="muControl">return-unless</span> next, <span class="Constant">0/nil</span> +<span id="L953" class="LineNr"> 953 </span> found?:bool <span class="Special"><-</span> equal next, in +<span id="L954" class="LineNr"> 954 </span> <span class="muControl">break-if</span> found? +<span id="L955" class="LineNr"> 955 </span> curr <span class="Special"><-</span> copy next +<span id="L956" class="LineNr"> 956 </span> next <span class="Special"><-</span> get *curr, <span class="Constant">next-sandbox:offset</span> +<span id="L957" class="LineNr"> 957 </span> <span class="muControl"> loop</span> <span id="L958" class="LineNr"> 958 </span> <span class="Delimiter">}</span> <span id="L959" class="LineNr"> 959 </span> <span class="muControl"> return</span> curr <span id="L960" class="LineNr"> 960 </span>] @@ -1029,149 +1028,149 @@ if ('onhashchange' in window) { <span id="L966" class="LineNr"> 966 </span> <span class="Comment"># initialize environment</span> <span id="L967" class="LineNr"> 967 </span> assume-resources [ <span id="L968" class="LineNr"> 968 </span> ] -<span id="L969" class="LineNr"> 969 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L970" class="LineNr"> 970 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L969" class="LineNr"> 969 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L970" class="LineNr"> 970 </span> render-all screen, env, render <span id="L971" class="LineNr"> 971 </span> <span class="Comment"># create 2 sandboxes</span> <span id="L972" class="LineNr"> 972 </span> assume-console [ -<span id="L973" class="LineNr"> 973 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L974" class="LineNr"> 974 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L975" class="LineNr"> 975 </span> <span class="Conceal">¦</span> press F4 -<span id="L976" class="LineNr"> 976 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L977" class="LineNr"> 977 </span> <span class="Conceal">¦</span> press F4 +<span id="L973" class="LineNr"> 973 </span> press ctrl-n +<span id="L974" class="LineNr"> 974 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L975" class="LineNr"> 975 </span> press F4 +<span id="L976" class="LineNr"> 976 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L977" class="LineNr"> 977 </span> press F4 <span id="L978" class="LineNr"> 978 </span> ] -<span id="L979" class="LineNr"> 979 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L979" class="LineNr"> 979 </span> event-loop screen, console, env, resources <span id="L980" class="LineNr"> 980 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L981" class="LineNr"> 981 </span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L981" class="LineNr"> 981 </span> print screen, cursor <span id="L982" class="LineNr"> 982 </span> screen-should-contain [ -<span id="L983" class="LineNr"> 983 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L984" class="LineNr"> 984 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎␣ .</span> -<span id="L985" class="LineNr"> 985 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L986" class="LineNr"> 986 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L987" class="LineNr"> 987 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L988" class="LineNr"> 988 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L989" class="LineNr"> 989 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L990" class="LineNr"> 990 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L991" class="LineNr"> 991 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L992" class="LineNr"> 992 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L983" class="LineNr"> 983 </span> <span class="Constant"> . run (F4) .</span> +<span id="L984" class="LineNr"> 984 </span> <span class="Constant"> . ╎␣ .</span> +<span id="L985" class="LineNr"> 985 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L986" class="LineNr"> 986 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L987" class="LineNr"> 987 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L988" class="LineNr"> 988 </span> <span class="Constant"> . ╎2 .</span> +<span id="L989" class="LineNr"> 989 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L990" class="LineNr"> 990 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L991" class="LineNr"> 991 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L992" class="LineNr"> 992 </span> <span class="Constant"> . ╎4 .</span> <span id="L993" class="LineNr"> 993 </span> ] <span id="L994" class="LineNr"> 994 </span> <span class="Comment"># hit 'page-down'</span> <span id="L995" class="LineNr"> 995 </span> assume-console [ -<span id="L996" class="LineNr"> 996 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L996" class="LineNr"> 996 </span> press page-down <span id="L997" class="LineNr"> 997 </span> ] <span id="L998" class="LineNr"> 998 </span> run [ -<span id="L999" class="LineNr"> 999 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L1000" class="LineNr">1000 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L1001" class="LineNr">1001 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L999" class="LineNr"> 999 </span> event-loop screen, console, env, resources +<span id="L1000" class="LineNr">1000 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L1001" class="LineNr">1001 </span> print screen, cursor <span id="L1002" class="LineNr">1002 </span> ] <span id="L1003" class="LineNr">1003 </span> <span class="Comment"># sandbox editor hidden; first sandbox displayed</span> <span id="L1004" class="LineNr">1004 </span> <span class="Comment"># cursor moves to first sandbox</span> <span id="L1005" class="LineNr">1005 </span> screen-should-contain [ -<span id="L1006" class="LineNr">1006 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1007" class="LineNr">1007 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1008" class="LineNr">1008 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎␣ edit copy to recipe delete .</span> -<span id="L1009" class="LineNr">1009 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1010" class="LineNr">1010 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1011" class="LineNr">1011 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1012" class="LineNr">1012 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L1013" class="LineNr">1013 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L1014" class="LineNr">1014 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L1006" class="LineNr">1006 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1007" class="LineNr">1007 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1008" class="LineNr">1008 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎␣ edit copy to recipe delete .</span> +<span id="L1009" class="LineNr">1009 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1010" class="LineNr">1010 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1011" class="LineNr">1011 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1012" class="LineNr">1012 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L1013" class="LineNr">1013 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L1014" class="LineNr">1014 </span> <span class="Constant"> . ╎4 .</span> <span id="L1015" class="LineNr">1015 </span> ] <span id="L1016" class="LineNr">1016 </span> <span class="Comment"># hit 'page-down' again</span> <span id="L1017" class="LineNr">1017 </span> assume-console [ -<span id="L1018" class="LineNr">1018 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L1018" class="LineNr">1018 </span> press page-down <span id="L1019" class="LineNr">1019 </span> ] <span id="L1020" class="LineNr">1020 </span> run [ -<span id="L1021" class="LineNr">1021 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L1021" class="LineNr">1021 </span> event-loop screen, console, env, resources <span id="L1022" class="LineNr">1022 </span> ] <span id="L1023" class="LineNr">1023 </span> <span class="Comment"># just second sandbox displayed</span> <span id="L1024" class="LineNr">1024 </span> screen-should-contain [ -<span id="L1025" class="LineNr">1025 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1026" class="LineNr">1026 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1027" class="LineNr">1027 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> -<span id="L1028" class="LineNr">1028 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L1029" class="LineNr">1029 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L1030" class="LineNr">1030 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1031" class="LineNr">1031 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L1025" class="LineNr">1025 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1026" class="LineNr">1026 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1027" class="LineNr">1027 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> +<span id="L1028" class="LineNr">1028 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L1029" class="LineNr">1029 </span> <span class="Constant"> . ╎4 .</span> +<span id="L1030" class="LineNr">1030 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1031" class="LineNr">1031 </span> <span class="Constant"> . ╎ .</span> <span id="L1032" class="LineNr">1032 </span> ] <span id="L1033" class="LineNr">1033 </span> <span class="Comment"># hit 'page-down' again</span> <span id="L1034" class="LineNr">1034 </span> assume-console [ -<span id="L1035" class="LineNr">1035 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L1035" class="LineNr">1035 </span> press page-down <span id="L1036" class="LineNr">1036 </span> ] <span id="L1037" class="LineNr">1037 </span> run [ -<span id="L1038" class="LineNr">1038 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L1038" class="LineNr">1038 </span> event-loop screen, console, env, resources <span id="L1039" class="LineNr">1039 </span> ] <span id="L1040" class="LineNr">1040 </span> <span class="Comment"># no change</span> <span id="L1041" class="LineNr">1041 </span> screen-should-contain [ -<span id="L1042" class="LineNr">1042 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1043" class="LineNr">1043 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1044" class="LineNr">1044 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> -<span id="L1045" class="LineNr">1045 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L1046" class="LineNr">1046 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L1047" class="LineNr">1047 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1048" class="LineNr">1048 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L1042" class="LineNr">1042 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1043" class="LineNr">1043 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1044" class="LineNr">1044 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> +<span id="L1045" class="LineNr">1045 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L1046" class="LineNr">1046 </span> <span class="Constant"> . ╎4 .</span> +<span id="L1047" class="LineNr">1047 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1048" class="LineNr">1048 </span> <span class="Constant"> . ╎ .</span> <span id="L1049" class="LineNr">1049 </span> ] <span id="L1050" class="LineNr">1050 </span> <span class="Comment"># hit 'page-up'</span> <span id="L1051" class="LineNr">1051 </span> assume-console [ -<span id="L1052" class="LineNr">1052 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L1052" class="LineNr">1052 </span> press page-up <span id="L1053" class="LineNr">1053 </span> ] <span id="L1054" class="LineNr">1054 </span> run [ -<span id="L1055" class="LineNr">1055 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L1055" class="LineNr">1055 </span> event-loop screen, console, env, resources <span id="L1056" class="LineNr">1056 </span> ] <span id="L1057" class="LineNr">1057 </span> <span class="Comment"># back to displaying both sandboxes without editor</span> <span id="L1058" class="LineNr">1058 </span> screen-should-contain [ -<span id="L1059" class="LineNr">1059 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1060" class="LineNr">1060 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1061" class="LineNr">1061 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L1062" class="LineNr">1062 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1063" class="LineNr">1063 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1064" class="LineNr">1064 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1065" class="LineNr">1065 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L1066" class="LineNr">1066 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L1067" class="LineNr">1067 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L1059" class="LineNr">1059 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1060" class="LineNr">1060 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1061" class="LineNr">1061 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L1062" class="LineNr">1062 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1063" class="LineNr">1063 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1064" class="LineNr">1064 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1065" class="LineNr">1065 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L1066" class="LineNr">1066 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L1067" class="LineNr">1067 </span> <span class="Constant"> . ╎4 .</span> <span id="L1068" class="LineNr">1068 </span> ] <span id="L1069" class="LineNr">1069 </span> <span class="Comment"># hit 'page-up' again</span> <span id="L1070" class="LineNr">1070 </span> assume-console [ -<span id="L1071" class="LineNr">1071 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L1071" class="LineNr">1071 </span> press page-up <span id="L1072" class="LineNr">1072 </span> ] <span id="L1073" class="LineNr">1073 </span> run [ -<span id="L1074" class="LineNr">1074 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L1075" class="LineNr">1075 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L1076" class="LineNr">1076 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L1074" class="LineNr">1074 </span> event-loop screen, console, env, resources +<span id="L1075" class="LineNr">1075 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L1076" class="LineNr">1076 </span> print screen, cursor <span id="L1077" class="LineNr">1077 </span> ] <span id="L1078" class="LineNr">1078 </span> <span class="Comment"># back to displaying both sandboxes as well as editor</span> <span id="L1079" class="LineNr">1079 </span> screen-should-contain [ -<span id="L1080" class="LineNr">1080 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1081" class="LineNr">1081 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎␣ .</span> -<span id="L1082" class="LineNr">1082 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L1083" class="LineNr">1083 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L1084" class="LineNr">1084 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1085" class="LineNr">1085 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1086" class="LineNr">1086 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1087" class="LineNr">1087 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L1088" class="LineNr">1088 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L1089" class="LineNr">1089 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L1080" class="LineNr">1080 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1081" class="LineNr">1081 </span> <span class="Constant"> . ╎␣ .</span> +<span id="L1082" class="LineNr">1082 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L1083" class="LineNr">1083 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L1084" class="LineNr">1084 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1085" class="LineNr">1085 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1086" class="LineNr">1086 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1087" class="LineNr">1087 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L1088" class="LineNr">1088 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L1089" class="LineNr">1089 </span> <span class="Constant"> . ╎4 .</span> <span id="L1090" class="LineNr">1090 </span> ] <span id="L1091" class="LineNr">1091 </span> <span class="Comment"># hit 'page-up' again</span> <span id="L1092" class="LineNr">1092 </span> assume-console [ -<span id="L1093" class="LineNr">1093 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L1093" class="LineNr">1093 </span> press page-up <span id="L1094" class="LineNr">1094 </span> ] <span id="L1095" class="LineNr">1095 </span> run [ -<span id="L1096" class="LineNr">1096 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L1097" class="LineNr">1097 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L1098" class="LineNr">1098 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L1096" class="LineNr">1096 </span> event-loop screen, console, env, resources +<span id="L1097" class="LineNr">1097 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L1098" class="LineNr">1098 </span> print screen, cursor <span id="L1099" class="LineNr">1099 </span> ] <span id="L1100" class="LineNr">1100 </span> <span class="Comment"># no change</span> <span id="L1101" class="LineNr">1101 </span> screen-should-contain [ -<span id="L1102" class="LineNr">1102 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1103" class="LineNr">1103 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎␣ .</span> -<span id="L1104" class="LineNr">1104 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L1105" class="LineNr">1105 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L1106" class="LineNr">1106 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1107" class="LineNr">1107 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1108" class="LineNr">1108 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1109" class="LineNr">1109 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L1110" class="LineNr">1110 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L1111" class="LineNr">1111 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L1102" class="LineNr">1102 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1103" class="LineNr">1103 </span> <span class="Constant"> . ╎␣ .</span> +<span id="L1104" class="LineNr">1104 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L1105" class="LineNr">1105 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L1106" class="LineNr">1106 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1107" class="LineNr">1107 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1108" class="LineNr">1108 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1109" class="LineNr">1109 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L1110" class="LineNr">1110 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L1111" class="LineNr">1111 </span> <span class="Constant"> . ╎4 .</span> <span id="L1112" class="LineNr">1112 </span> ] <span id="L1113" class="LineNr">1113 </span>] <span id="L1114" class="LineNr">1114 </span> @@ -1182,78 +1181,78 @@ if ('onhashchange' in window) { <span id="L1119" class="LineNr">1119 </span> <span class="Comment"># initialize environment</span> <span id="L1120" class="LineNr">1120 </span> assume-resources [ <span id="L1121" class="LineNr">1121 </span> ] -<span id="L1122" class="LineNr">1122 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L1123" class="LineNr">1123 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L1122" class="LineNr">1122 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L1123" class="LineNr">1123 </span> render-all screen, env, render <span id="L1124" class="LineNr">1124 </span> <span class="Comment"># create a sandbox</span> <span id="L1125" class="LineNr">1125 </span> assume-console [ -<span id="L1126" class="LineNr">1126 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L1127" class="LineNr">1127 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L1128" class="LineNr">1128 </span> <span class="Conceal">¦</span> press F4 +<span id="L1126" class="LineNr">1126 </span> press ctrl-n +<span id="L1127" class="LineNr">1127 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L1128" class="LineNr">1128 </span> press F4 <span id="L1129" class="LineNr">1129 </span> ] -<span id="L1130" class="LineNr">1130 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L1130" class="LineNr">1130 </span> event-loop screen, console, env, resources <span id="L1131" class="LineNr">1131 </span> screen-should-contain [ -<span id="L1132" class="LineNr">1132 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1133" class="LineNr">1133 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L1134" class="LineNr">1134 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L1135" class="LineNr">1135 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L1136" class="LineNr">1136 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1137" class="LineNr">1137 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1138" class="LineNr">1138 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1139" class="LineNr">1139 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L1132" class="LineNr">1132 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1133" class="LineNr">1133 </span> <span class="Constant"> . ╎ .</span> +<span id="L1134" class="LineNr">1134 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L1135" class="LineNr">1135 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L1136" class="LineNr">1136 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1137" class="LineNr">1137 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1138" class="LineNr">1138 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1139" class="LineNr">1139 </span> <span class="Constant"> . ╎ .</span> <span id="L1140" class="LineNr">1140 </span> ] <span id="L1141" class="LineNr">1141 </span> <span class="Comment"># hit 'page-down' and 'page-up' a couple of times. sandbox index should be stable</span> <span id="L1142" class="LineNr">1142 </span> assume-console [ -<span id="L1143" class="LineNr">1143 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L1143" class="LineNr">1143 </span> press page-down <span id="L1144" class="LineNr">1144 </span> ] <span id="L1145" class="LineNr">1145 </span> run [ -<span id="L1146" class="LineNr">1146 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L1146" class="LineNr">1146 </span> event-loop screen, console, env, resources <span id="L1147" class="LineNr">1147 </span> ] <span id="L1148" class="LineNr">1148 </span> <span class="Comment"># sandbox editor hidden; first sandbox displayed</span> <span id="L1149" class="LineNr">1149 </span> <span class="Comment"># cursor moves to first sandbox</span> <span id="L1150" class="LineNr">1150 </span> screen-should-contain [ -<span id="L1151" class="LineNr">1151 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1152" class="LineNr">1152 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1153" class="LineNr">1153 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L1154" class="LineNr">1154 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1155" class="LineNr">1155 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1156" class="LineNr">1156 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1157" class="LineNr">1157 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L1151" class="LineNr">1151 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1152" class="LineNr">1152 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1153" class="LineNr">1153 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L1154" class="LineNr">1154 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1155" class="LineNr">1155 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1156" class="LineNr">1156 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1157" class="LineNr">1157 </span> <span class="Constant"> . ╎ .</span> <span id="L1158" class="LineNr">1158 </span> ] <span id="L1159" class="LineNr">1159 </span> <span class="Comment"># hit 'page-up' again</span> <span id="L1160" class="LineNr">1160 </span> assume-console [ -<span id="L1161" class="LineNr">1161 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L1161" class="LineNr">1161 </span> press page-up <span id="L1162" class="LineNr">1162 </span> ] <span id="L1163" class="LineNr">1163 </span> run [ -<span id="L1164" class="LineNr">1164 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L1164" class="LineNr">1164 </span> event-loop screen, console, env, resources <span id="L1165" class="LineNr">1165 </span> ] <span id="L1166" class="LineNr">1166 </span> <span class="Comment"># back to displaying both sandboxes as well as editor</span> <span id="L1167" class="LineNr">1167 </span> screen-should-contain [ -<span id="L1168" class="LineNr">1168 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1169" class="LineNr">1169 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L1170" class="LineNr">1170 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L1171" class="LineNr">1171 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L1172" class="LineNr">1172 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1173" class="LineNr">1173 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1174" class="LineNr">1174 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1175" class="LineNr">1175 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L1168" class="LineNr">1168 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1169" class="LineNr">1169 </span> <span class="Constant"> . ╎ .</span> +<span id="L1170" class="LineNr">1170 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L1171" class="LineNr">1171 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L1172" class="LineNr">1172 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1173" class="LineNr">1173 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1174" class="LineNr">1174 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1175" class="LineNr">1175 </span> <span class="Constant"> . ╎ .</span> <span id="L1176" class="LineNr">1176 </span> ] <span id="L1177" class="LineNr">1177 </span> <span class="Comment"># hit 'page-down'</span> <span id="L1178" class="LineNr">1178 </span> assume-console [ -<span id="L1179" class="LineNr">1179 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L1179" class="LineNr">1179 </span> press page-down <span id="L1180" class="LineNr">1180 </span> ] <span id="L1181" class="LineNr">1181 </span> run [ -<span id="L1182" class="LineNr">1182 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L1182" class="LineNr">1182 </span> event-loop screen, console, env, resources <span id="L1183" class="LineNr">1183 </span> ] <span id="L1184" class="LineNr">1184 </span> <span class="Comment"># sandbox editor hidden; first sandbox displayed</span> <span id="L1185" class="LineNr">1185 </span> <span class="Comment"># cursor moves to first sandbox</span> <span id="L1186" class="LineNr">1186 </span> screen-should-contain [ -<span id="L1187" class="LineNr">1187 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L1188" class="LineNr">1188 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1189" class="LineNr">1189 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L1190" class="LineNr">1190 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L1191" class="LineNr">1191 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L1192" class="LineNr">1192 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L1193" class="LineNr">1193 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L1187" class="LineNr">1187 </span> <span class="Constant"> . run (F4) .</span> +<span id="L1188" class="LineNr">1188 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1189" class="LineNr">1189 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L1190" class="LineNr">1190 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L1191" class="LineNr">1191 </span> <span class="Constant"> . ╎2 .</span> +<span id="L1192" class="LineNr">1192 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L1193" class="LineNr">1193 </span> <span class="Constant"> . ╎ .</span> <span id="L1194" class="LineNr">1194 </span> ] <span id="L1195" class="LineNr">1195 </span>] </pre> diff --git a/html/edit/006-sandbox-copy.mu.html b/html/edit/006-sandbox-copy.mu.html index 782450c4..5b02b02d 100644 --- a/html/edit/006-sandbox-copy.mu.html +++ b/html/edit/006-sandbox-copy.mu.html @@ -15,17 +15,16 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } .LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -70,57 +69,57 @@ if ('onhashchange' in window) { <span id="L8" class="LineNr"> 8 </span> <span class="Comment"># empty recipes</span> <span id="L9" class="LineNr"> 9 </span> assume-resources [ <span id="L10" class="LineNr"> 10 </span> ] -<span id="L11" class="LineNr"> 11 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> -<span id="L12" class="LineNr"> 12 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L11" class="LineNr"> 11 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> +<span id="L12" class="LineNr"> 12 </span> render-all screen, env, render <span id="L13" class="LineNr"> 13 </span> <span class="Comment"># run it</span> <span id="L14" class="LineNr"> 14 </span> assume-console [ -<span id="L15" class="LineNr"> 15 </span> <span class="Conceal">¦</span> press F4 +<span id="L15" class="LineNr"> 15 </span> press F4 <span id="L16" class="LineNr"> 16 </span> ] -<span id="L17" class="LineNr"> 17 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L17" class="LineNr"> 17 </span> event-loop screen, console, env, resources <span id="L18" class="LineNr"> 18 </span> screen-should-contain [ -<span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L20" class="LineNr"> 20 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L21" class="LineNr"> 21 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L26" class="LineNr"> 26 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L19" class="LineNr"> 19 </span> <span class="Constant"> . run (F4) .</span> +<span id="L20" class="LineNr"> 20 </span> <span class="Constant"> . ╎ .</span> +<span id="L21" class="LineNr"> 21 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L22" class="LineNr"> 22 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Constant"> . ╎2 .</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Constant"> . ╎ .</span> <span id="L27" class="LineNr"> 27 </span> ] <span id="L28" class="LineNr"> 28 </span> <span class="Comment"># click at left edge of 'copy' button</span> <span id="L29" class="LineNr"> 29 </span> assume-console [ -<span id="L30" class="LineNr"> 30 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 69</span> +<span id="L30" class="LineNr"> 30 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 69</span> <span id="L31" class="LineNr"> 31 </span> ] <span id="L32" class="LineNr"> 32 </span> run [ -<span id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L33" class="LineNr"> 33 </span> event-loop screen, console, env, resources <span id="L34" class="LineNr"> 34 </span> ] <span id="L35" class="LineNr"> 35 </span> <span class="Comment"># it copies into editor</span> <span id="L36" class="LineNr"> 36 </span> screen-should-contain [ -<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L38" class="LineNr"> 38 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L39" class="LineNr"> 39 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L40" class="LineNr"> 40 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L41" class="LineNr"> 41 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L42" class="LineNr"> 42 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L37" class="LineNr"> 37 </span> <span class="Constant"> . run (F4) .</span> +<span id="L38" class="LineNr"> 38 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L39" class="LineNr"> 39 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L40" class="LineNr"> 40 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L41" class="LineNr"> 41 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L42" class="LineNr"> 42 </span> <span class="Constant"> . ╎2 .</span> +<span id="L43" class="LineNr"> 43 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L44" class="LineNr"> 44 </span> <span class="Constant"> . ╎ .</span> <span id="L45" class="LineNr"> 45 </span> ] <span id="L46" class="LineNr"> 46 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L47" class="LineNr"> 47 </span> assume-console [ -<span id="L48" class="LineNr"> 48 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L48" class="LineNr"> 48 </span> type <span class="Constant">[0]</span> <span id="L49" class="LineNr"> 49 </span> ] <span id="L50" class="LineNr"> 50 </span> run [ -<span id="L51" class="LineNr"> 51 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L51" class="LineNr"> 51 </span> event-loop screen, console, env, resources <span id="L52" class="LineNr"> 52 </span> ] <span id="L53" class="LineNr"> 53 </span> screen-should-contain [ -<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0add 1, 1 .</span> -<span id="L56" class="LineNr"> 56 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L57" class="LineNr"> 57 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L58" class="LineNr"> 58 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L59" class="LineNr"> 59 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L60" class="LineNr"> 60 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L61" class="LineNr"> 61 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L54" class="LineNr"> 54 </span> <span class="Constant"> . run (F4) .</span> +<span id="L55" class="LineNr"> 55 </span> <span class="Constant"> . ╎0add 1, 1 .</span> +<span id="L56" class="LineNr"> 56 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L57" class="LineNr"> 57 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L58" class="LineNr"> 58 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L59" class="LineNr"> 59 </span> <span class="Constant"> . ╎2 .</span> +<span id="L60" class="LineNr"> 60 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L61" class="LineNr"> 61 </span> <span class="Constant"> . ╎ .</span> <span id="L62" class="LineNr"> 62 </span> ] <span id="L63" class="LineNr"> 63 </span>] <span id="L64" class="LineNr"> 64 </span> @@ -131,125 +130,125 @@ if ('onhashchange' in window) { <span id="L69" class="LineNr"> 69 </span> <span class="Comment"># empty recipes</span> <span id="L70" class="LineNr"> 70 </span> assume-resources [ <span id="L71" class="LineNr"> 71 </span> ] -<span id="L72" class="LineNr"> 72 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> -<span id="L73" class="LineNr"> 73 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L72" class="LineNr"> 72 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> +<span id="L73" class="LineNr"> 73 </span> render-all screen, env, render <span id="L74" class="LineNr"> 74 </span> <span class="Comment"># run it</span> <span id="L75" class="LineNr"> 75 </span> assume-console [ -<span id="L76" class="LineNr"> 76 </span> <span class="Conceal">¦</span> press F4 +<span id="L76" class="LineNr"> 76 </span> press F4 <span id="L77" class="LineNr"> 77 </span> ] -<span id="L78" class="LineNr"> 78 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L78" class="LineNr"> 78 </span> event-loop screen, console, env, resources <span id="L79" class="LineNr"> 79 </span> screen-should-contain [ -<span id="L80" class="LineNr"> 80 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L81" class="LineNr"> 81 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L82" class="LineNr"> 82 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L80" class="LineNr"> 80 </span> <span class="Constant"> . run (F4) .</span> +<span id="L81" class="LineNr"> 81 </span> <span class="Constant"> . ╎ .</span> +<span id="L82" class="LineNr"> 82 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L83" class="LineNr"> 83 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L84" class="LineNr"> 84 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Constant"> . ╎2 .</span> +<span id="L86" class="LineNr"> 86 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L87" class="LineNr"> 87 </span> <span class="Constant"> . ╎ .</span> <span id="L88" class="LineNr"> 88 </span> ] <span id="L89" class="LineNr"> 89 </span> <span class="Comment"># click at right edge of 'copy' button (just before 'delete')</span> <span id="L90" class="LineNr"> 90 </span> assume-console [ -<span id="L91" class="LineNr"> 91 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 76</span> +<span id="L91" class="LineNr"> 91 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 76</span> <span id="L92" class="LineNr"> 92 </span> ] <span id="L93" class="LineNr"> 93 </span> run [ -<span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L94" class="LineNr"> 94 </span> event-loop screen, console, env, resources <span id="L95" class="LineNr"> 95 </span> ] <span id="L96" class="LineNr"> 96 </span> <span class="Comment"># it copies into editor</span> <span id="L97" class="LineNr"> 97 </span> screen-should-contain [ -<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L100" class="LineNr">100 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L101" class="LineNr">101 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L104" class="LineNr">104 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L105" class="LineNr">105 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L98" class="LineNr"> 98 </span> <span class="Constant"> . run (F4) .</span> +<span id="L99" class="LineNr"> 99 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L100" class="LineNr">100 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L101" class="LineNr">101 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L102" class="LineNr">102 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L103" class="LineNr">103 </span> <span class="Constant"> . ╎2 .</span> +<span id="L104" class="LineNr">104 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L105" class="LineNr">105 </span> <span class="Constant"> . ╎ .</span> <span id="L106" class="LineNr">106 </span> ] <span id="L107" class="LineNr">107 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L108" class="LineNr">108 </span> assume-console [ -<span id="L109" class="LineNr">109 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L109" class="LineNr">109 </span> type <span class="Constant">[0]</span> <span id="L110" class="LineNr">110 </span> ] <span id="L111" class="LineNr">111 </span> run [ -<span id="L112" class="LineNr">112 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L112" class="LineNr">112 </span> event-loop screen, console, env, resources <span id="L113" class="LineNr">113 </span> ] <span id="L114" class="LineNr">114 </span> screen-should-contain [ -<span id="L115" class="LineNr">115 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0add 1, 1 .</span> -<span id="L117" class="LineNr">117 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L118" class="LineNr">118 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L119" class="LineNr">119 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L120" class="LineNr">120 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L121" class="LineNr">121 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L122" class="LineNr">122 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L115" class="LineNr">115 </span> <span class="Constant"> . run (F4) .</span> +<span id="L116" class="LineNr">116 </span> <span class="Constant"> . ╎0add 1, 1 .</span> +<span id="L117" class="LineNr">117 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L118" class="LineNr">118 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L119" class="LineNr">119 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L120" class="LineNr">120 </span> <span class="Constant"> . ╎2 .</span> +<span id="L121" class="LineNr">121 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L122" class="LineNr">122 </span> <span class="Constant"> . ╎ .</span> <span id="L123" class="LineNr">123 </span> ] <span id="L124" class="LineNr">124 </span>] <span id="L125" class="LineNr">125 </span> -<span id="L126" class="LineNr">126 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'><global-touch></a></span> [ +<span id="L126" class="LineNr">126 </span><span class="muRecipe">after</span> <span class="Constant"><global-touch></span> [ <span id="L127" class="LineNr">127 </span> <span class="Comment"># support 'copy' button</span> <span id="L128" class="LineNr">128 </span> <span class="Delimiter">{</span> -<span id="L129" class="LineNr">129 </span> <span class="Conceal">¦</span> copy?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L140'>should-attempt-copy?</a> click-row, click-column, env -<span id="L130" class="LineNr">130 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> copy? -<span id="L131" class="LineNr">131 </span> <span class="Conceal">¦</span> copy?, env <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L159'>try-copy-sandbox</a> click-row, env -<span id="L132" class="LineNr">132 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> copy? -<span id="L133" class="LineNr">133 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L134" class="LineNr">134 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L135" class="LineNr">135 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L129" class="LineNr">129 </span> copy?:bool <span class="Special"><-</span> should-attempt-copy? click-row, click-column, env +<span id="L130" class="LineNr">130 </span> <span class="muControl">break-unless</span> copy? +<span id="L131" class="LineNr">131 </span> copy?, env <span class="Special"><-</span> try-copy-sandbox click-row, env +<span id="L132" class="LineNr">132 </span> <span class="muControl">break-unless</span> copy? +<span id="L133" class="LineNr">133 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L134" class="LineNr">134 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L135" class="LineNr">135 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L136" class="LineNr">136 </span> <span class="Delimiter">}</span> <span id="L137" class="LineNr">137 </span>] <span id="L138" class="LineNr">138 </span> <span id="L139" class="LineNr">139 </span><span class="Comment"># some preconditions for attempting to copy a sandbox</span> -<span id="L140" class="LineNr">140 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L140'>should-attempt-copy?</a> click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ +<span id="L140" class="LineNr">140 </span><span class="muRecipe">def</span> should-attempt-copy? click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ <span id="L141" class="LineNr">141 </span> <span class="Constant">local-scope</span> <span id="L142" class="LineNr">142 </span> <span class="Constant">load-inputs</span> <span id="L143" class="LineNr">143 </span> <span class="Comment"># are we below the sandbox editor?</span> -<span id="L144" class="LineNr">144 </span> click-sandbox-area?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L190'>click-on-sandbox-area?</a> click-row, click-column, env +<span id="L144" class="LineNr">144 </span> click-sandbox-area?:bool <span class="Special"><-</span> click-on-sandbox-area? click-row, click-column, env <span id="L145" class="LineNr">145 </span> <span class="muControl">return-unless</span> click-sandbox-area?, <span class="Constant">0/false</span> <span id="L146" class="LineNr">146 </span> <span class="Comment"># narrower, is the click in the columns spanning the 'copy' button?</span> <span id="L147" class="LineNr">147 </span> first-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L148" class="LineNr">148 </span> assert first-sandbox, <span class="Constant">[!!]</span> <span id="L149" class="LineNr">149 </span> sandbox-left-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">left:offset</span> <span id="L150" class="LineNr">150 </span> sandbox-right-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">right:offset</span> -<span id="L151" class="LineNr">151 </span> _, _, copy-button-left:num, copy-button-right:num <span class="Special"><-</span> <a href='005-sandbox.mu.html#L378'>sandbox-menu-columns</a> sandbox-left-margin, sandbox-right-margin -<span id="L152" class="LineNr">152 </span> copy-button-vertical-area?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L211'>within-range?</a> click-column, copy-button-left, copy-button-right +<span id="L151" class="LineNr">151 </span> _, _, copy-button-left:num, copy-button-right:num <span class="Special"><-</span> sandbox-menu-columns sandbox-left-margin, sandbox-right-margin +<span id="L152" class="LineNr">152 </span> copy-button-vertical-area?:bool <span class="Special"><-</span> within-range? click-column, copy-button-left, copy-button-right <span id="L153" class="LineNr">153 </span> <span class="muControl">return-unless</span> copy-button-vertical-area?, <span class="Constant">0/false</span> <span id="L154" class="LineNr">154 </span> <span class="Comment"># finally, is sandbox editor empty?</span> <span id="L155" class="LineNr">155 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> -<span id="L156" class="LineNr">156 </span> result <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L203'>empty-editor?</a> current-sandbox +<span id="L156" class="LineNr">156 </span> result <span class="Special"><-</span> empty-editor? current-sandbox <span id="L157" class="LineNr">157 </span>] <span id="L158" class="LineNr">158 </span> -<span id="L159" class="LineNr">159 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L159'>try-copy-sandbox</a> click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-copy-button?:bool, env:&:environment [ +<span id="L159" class="LineNr">159 </span><span class="muRecipe">def</span> try-copy-sandbox click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-copy-button?:bool, env:&:environment [ <span id="L160" class="LineNr">160 </span> <span class="Constant">local-scope</span> <span id="L161" class="LineNr">161 </span> <span class="Constant">load-inputs</span> <span id="L162" class="LineNr">162 </span> <span class="Comment"># identify the sandbox to copy, if the click was actually on the 'copy' button</span> -<span id="L163" class="LineNr">163 </span> sandbox:&:sandbox <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L175'>find-sandbox</a> env, click-row +<span id="L163" class="LineNr">163 </span> sandbox:&:sandbox <span class="Special"><-</span> find-sandbox env, click-row <span id="L164" class="LineNr">164 </span> <span class="muControl">return-unless</span> sandbox, <span class="Constant">0/false</span> <span id="L165" class="LineNr">165 </span> clicked-on-copy-button? <span class="Special"><-</span> copy <span class="Constant">1/true</span> <span id="L166" class="LineNr">166 </span> text:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> <span id="L167" class="LineNr">167 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> -<span id="L168" class="LineNr">168 </span> current-sandbox <span class="Special"><-</span> <a href='001-editor.mu.html#L72'>insert-text</a> current-sandbox, text +<span id="L168" class="LineNr">168 </span> current-sandbox <span class="Special"><-</span> insert-text current-sandbox, text <span id="L169" class="LineNr">169 </span> <span class="Comment"># reset scroll</span> <span id="L170" class="LineNr">170 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>,<span class="Constant"> -1</span> <span id="L171" class="LineNr">171 </span> <span class="Comment"># position cursor in sandbox editor</span> <span id="L172" class="LineNr">172 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, <span class="Constant">1/true</span> <span id="L173" class="LineNr">173 </span>] <span id="L174" class="LineNr">174 </span> -<span id="L175" class="LineNr">175 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L175'>find-sandbox</a> env:&:environment, click-row:num<span class="muRecipe"> -> </span>result:&:sandbox [ +<span id="L175" class="LineNr">175 </span><span class="muRecipe">def</span> find-sandbox env:&:environment, click-row:num<span class="muRecipe"> -> </span>result:&:sandbox [ <span id="L176" class="LineNr">176 </span> <span class="Constant">local-scope</span> <span id="L177" class="LineNr">177 </span> <span class="Constant">load-inputs</span> <span id="L178" class="LineNr">178 </span> curr-sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> <span id="L179" class="LineNr">179 </span> <span class="Delimiter">{</span> -<span id="L180" class="LineNr">180 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> curr-sandbox -<span id="L181" class="LineNr">181 </span> <span class="Conceal">¦</span> start:num <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">starting-row-on-screen:offset</span> -<span id="L182" class="LineNr">182 </span> <span class="Conceal">¦</span> found?:bool <span class="Special"><-</span> equal click-row, start -<span id="L183" class="LineNr">183 </span> <span class="Conceal">¦</span> <span class="muControl">return-if</span> found?, curr-sandbox -<span id="L184" class="LineNr">184 </span> <span class="Conceal">¦</span> curr-sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> -<span id="L185" class="LineNr">185 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L180" class="LineNr">180 </span> <span class="muControl">break-unless</span> curr-sandbox +<span id="L181" class="LineNr">181 </span> start:num <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">starting-row-on-screen:offset</span> +<span id="L182" class="LineNr">182 </span> found?:bool <span class="Special"><-</span> equal click-row, start +<span id="L183" class="LineNr">183 </span> <span class="muControl">return-if</span> found?, curr-sandbox +<span id="L184" class="LineNr">184 </span> curr-sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> +<span id="L185" class="LineNr">185 </span> <span class="muControl"> loop</span> <span id="L186" class="LineNr">186 </span> <span class="Delimiter">}</span> <span id="L187" class="LineNr">187 </span> <span class="muControl"> return</span> <span class="Constant">0/not-found</span> <span id="L188" class="LineNr">188 </span>] <span id="L189" class="LineNr">189 </span> -<span id="L190" class="LineNr">190 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L190'>click-on-sandbox-area?</a> click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ +<span id="L190" class="LineNr">190 </span><span class="muRecipe">def</span> click-on-sandbox-area? click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ <span id="L191" class="LineNr">191 </span> <span class="Constant">local-scope</span> <span id="L192" class="LineNr">192 </span> <span class="Constant">load-inputs</span> <span id="L193" class="LineNr">193 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> @@ -262,15 +261,15 @@ if ('onhashchange' in window) { <span id="L200" class="LineNr">200 </span> result <span class="Special"><-</span> greater-or-equal click-row, first-sandbox-begins <span id="L201" class="LineNr">201 </span>] <span id="L202" class="LineNr">202 </span> -<span id="L203" class="LineNr">203 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L203'>empty-editor?</a> editor:&:editor<span class="muRecipe"> -> </span>result:bool [ +<span id="L203" class="LineNr">203 </span><span class="muRecipe">def</span> empty-editor? editor:&:editor<span class="muRecipe"> -> </span>result:bool [ <span id="L204" class="LineNr">204 </span> <span class="Constant">local-scope</span> <span id="L205" class="LineNr">205 </span> <span class="Constant">load-inputs</span> -<span id="L206" class="LineNr">206 </span> head:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L207" class="LineNr">207 </span> first:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> head +<span id="L206" class="LineNr">206 </span> head:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L207" class="LineNr">207 </span> first:&:duplex-list:char <span class="Special"><-</span> next head <span id="L208" class="LineNr">208 </span> result <span class="Special"><-</span> not first <span id="L209" class="LineNr">209 </span>] <span id="L210" class="LineNr">210 </span> -<span id="L211" class="LineNr">211 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L211'>within-range?</a> x:num, low:num, high:num<span class="muRecipe"> -> </span>result:bool [ +<span id="L211" class="LineNr">211 </span><span class="muRecipe">def</span> within-range? x:num, low:num, high:num<span class="muRecipe"> -> </span>result:bool [ <span id="L212" class="LineNr">212 </span> <span class="Constant">local-scope</span> <span id="L213" class="LineNr">213 </span> <span class="Constant">load-inputs</span> <span id="L214" class="LineNr">214 </span> not-too-far-left?:bool <span class="Special"><-</span> greater-or-equal x, low @@ -285,59 +284,59 @@ if ('onhashchange' in window) { <span id="L223" class="LineNr">223 </span> <span class="Comment"># empty recipes</span> <span id="L224" class="LineNr">224 </span> assume-resources [ <span id="L225" class="LineNr">225 </span> ] -<span id="L226" class="LineNr">226 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> -<span id="L227" class="LineNr">227 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L226" class="LineNr">226 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> +<span id="L227" class="LineNr">227 </span> render-all screen, env, render <span id="L228" class="LineNr">228 </span> <span class="Comment"># run it</span> <span id="L229" class="LineNr">229 </span> assume-console [ -<span id="L230" class="LineNr">230 </span> <span class="Conceal">¦</span> press F4 +<span id="L230" class="LineNr">230 </span> press F4 <span id="L231" class="LineNr">231 </span> ] -<span id="L232" class="LineNr">232 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L232" class="LineNr">232 </span> event-loop screen, console, env, resources <span id="L233" class="LineNr">233 </span> screen-should-contain [ -<span id="L234" class="LineNr">234 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L235" class="LineNr">235 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L236" class="LineNr">236 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L238" class="LineNr">238 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L239" class="LineNr">239 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L240" class="LineNr">240 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L241" class="LineNr">241 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L234" class="LineNr">234 </span> <span class="Constant"> . run (F4) .</span> +<span id="L235" class="LineNr">235 </span> <span class="Constant"> . ╎ .</span> +<span id="L236" class="LineNr">236 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L237" class="LineNr">237 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L238" class="LineNr">238 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L239" class="LineNr">239 </span> <span class="Constant"> . ╎2 .</span> +<span id="L240" class="LineNr">240 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L241" class="LineNr">241 </span> <span class="Constant"> . ╎ .</span> <span id="L242" class="LineNr">242 </span> ] <span id="L243" class="LineNr">243 </span> <span class="Comment"># type something into the sandbox editor, then click on the 'copy' button</span> <span id="L244" class="LineNr">244 </span> assume-console [ -<span id="L245" class="LineNr">245 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 70</span> <span class="Comment"># put cursor in sandbox editor</span> -<span id="L246" class="LineNr">246 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> <span class="Comment"># type something</span> -<span id="L247" class="LineNr">247 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 70</span> <span class="Comment"># click 'copy' button</span> +<span id="L245" class="LineNr">245 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 70</span> <span class="Comment"># put cursor in sandbox editor</span> +<span id="L246" class="LineNr">246 </span> type <span class="Constant">[0]</span> <span class="Comment"># type something</span> +<span id="L247" class="LineNr">247 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 70</span> <span class="Comment"># click 'copy' button</span> <span id="L248" class="LineNr">248 </span> ] <span id="L249" class="LineNr">249 </span> run [ -<span id="L250" class="LineNr">250 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L250" class="LineNr">250 </span> event-loop screen, console, env, resources <span id="L251" class="LineNr">251 </span> ] <span id="L252" class="LineNr">252 </span> <span class="Comment"># copy doesn't happen</span> <span id="L253" class="LineNr">253 </span> screen-should-contain [ -<span id="L254" class="LineNr">254 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L255" class="LineNr">255 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 .</span> -<span id="L256" class="LineNr">256 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L257" class="LineNr">257 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L258" class="LineNr">258 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L259" class="LineNr">259 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L260" class="LineNr">260 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L261" class="LineNr">261 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L254" class="LineNr">254 </span> <span class="Constant"> . run (F4) .</span> +<span id="L255" class="LineNr">255 </span> <span class="Constant"> . ╎0 .</span> +<span id="L256" class="LineNr">256 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L257" class="LineNr">257 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L258" class="LineNr">258 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L259" class="LineNr">259 </span> <span class="Constant"> . ╎2 .</span> +<span id="L260" class="LineNr">260 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L261" class="LineNr">261 </span> <span class="Constant"> . ╎ .</span> <span id="L262" class="LineNr">262 </span> ] <span id="L263" class="LineNr">263 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L264" class="LineNr">264 </span> assume-console [ -<span id="L265" class="LineNr">265 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L265" class="LineNr">265 </span> type <span class="Constant">[1]</span> <span id="L266" class="LineNr">266 </span> ] <span id="L267" class="LineNr">267 </span> run [ -<span id="L268" class="LineNr">268 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L268" class="LineNr">268 </span> event-loop screen, console, env, resources <span id="L269" class="LineNr">269 </span> ] <span id="L270" class="LineNr">270 </span> screen-should-contain [ -<span id="L271" class="LineNr">271 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L272" class="LineNr">272 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎01 .</span> -<span id="L273" class="LineNr">273 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L274" class="LineNr">274 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L275" class="LineNr">275 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L276" class="LineNr">276 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L277" class="LineNr">277 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L278" class="LineNr">278 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L271" class="LineNr">271 </span> <span class="Constant"> . run (F4) .</span> +<span id="L272" class="LineNr">272 </span> <span class="Constant"> . ╎01 .</span> +<span id="L273" class="LineNr">273 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L274" class="LineNr">274 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L275" class="LineNr">275 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L276" class="LineNr">276 </span> <span class="Constant"> . ╎2 .</span> +<span id="L277" class="LineNr">277 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L278" class="LineNr">278 </span> <span class="Constant"> . ╎ .</span> <span id="L279" class="LineNr">279 </span> ] <span id="L280" class="LineNr">280 </span>] <span id="L281" class="LineNr">281 </span> @@ -350,97 +349,97 @@ if ('onhashchange' in window) { <span id="L288" class="LineNr">288 </span> <span class="Comment"># empty recipes</span> <span id="L289" class="LineNr">289 </span> assume-resources [ <span id="L290" class="LineNr">290 </span> ] -<span id="L291" class="LineNr">291 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> -<span id="L292" class="LineNr">292 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L291" class="LineNr">291 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[add 1, 1]</span> <span class="Comment"># contents of sandbox editor</span> +<span id="L292" class="LineNr">292 </span> render-all screen, env, render <span id="L293" class="LineNr">293 </span> <span class="Comment"># run it</span> <span id="L294" class="LineNr">294 </span> assume-console [ -<span id="L295" class="LineNr">295 </span> <span class="Conceal">¦</span> press F4 +<span id="L295" class="LineNr">295 </span> press F4 <span id="L296" class="LineNr">296 </span> ] -<span id="L297" class="LineNr">297 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L297" class="LineNr">297 </span> event-loop screen, console, env, resources <span id="L298" class="LineNr">298 </span> screen-should-contain [ -<span id="L299" class="LineNr">299 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L300" class="LineNr">300 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L301" class="LineNr">301 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L302" class="LineNr">302 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L303" class="LineNr">303 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L304" class="LineNr">304 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L305" class="LineNr">305 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L306" class="LineNr">306 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L299" class="LineNr">299 </span> <span class="Constant"> . run (F4) .</span> +<span id="L300" class="LineNr">300 </span> <span class="Constant"> . ╎ .</span> +<span id="L301" class="LineNr">301 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L302" class="LineNr">302 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L303" class="LineNr">303 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L304" class="LineNr">304 </span> <span class="Constant"> . ╎2 .</span> +<span id="L305" class="LineNr">305 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L306" class="LineNr">306 </span> <span class="Constant"> . ╎ .</span> <span id="L307" class="LineNr">307 </span> ] <span id="L308" class="LineNr">308 </span> <span class="Comment"># click at left edge of 'copy' button</span> <span id="L309" class="LineNr">309 </span> assume-console [ -<span id="L310" class="LineNr">310 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 78</span> +<span id="L310" class="LineNr">310 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 78</span> <span id="L311" class="LineNr">311 </span> ] <span id="L312" class="LineNr">312 </span> run [ -<span id="L313" class="LineNr">313 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L313" class="LineNr">313 </span> event-loop screen, console, env, resources <span id="L314" class="LineNr">314 </span> ] <span id="L315" class="LineNr">315 </span> <span class="Comment"># it copies into recipe side</span> <span id="L316" class="LineNr">316 </span> screen-should-contain [ -<span id="L317" class="LineNr">317 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L318" class="LineNr">318 </span> <span class="Conceal">¦</span><span class="Constant"> .add 1, 1 ╎ .</span> -<span id="L319" class="LineNr">319 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L320" class="LineNr">320 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L321" class="LineNr">321 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎add 1, 1 .</span> -<span id="L322" class="LineNr">322 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L323" class="LineNr">323 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L324" class="LineNr">324 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L317" class="LineNr">317 </span> <span class="Constant"> . run (F4) .</span> +<span id="L318" class="LineNr">318 </span> <span class="Constant"> .add 1, 1 ╎ .</span> +<span id="L319" class="LineNr">319 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L320" class="LineNr">320 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L321" class="LineNr">321 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎add 1, 1 .</span> +<span id="L322" class="LineNr">322 </span> <span class="Constant"> . ╎2 .</span> +<span id="L323" class="LineNr">323 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L324" class="LineNr">324 </span> <span class="Constant"> . ╎ .</span> <span id="L325" class="LineNr">325 </span> ] <span id="L326" class="LineNr">326 </span> <span class="Comment"># cursor should be at the top left of the recipe side</span> <span id="L327" class="LineNr">327 </span> assume-console [ -<span id="L328" class="LineNr">328 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L328" class="LineNr">328 </span> type <span class="Constant">[0]</span> <span id="L329" class="LineNr">329 </span> ] <span id="L330" class="LineNr">330 </span> run [ -<span id="L331" class="LineNr">331 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L331" class="LineNr">331 </span> event-loop screen, console, env, resources <span id="L332" class="LineNr">332 </span> ] <span id="L333" class="LineNr">333 </span> screen-should-contain [ -<span id="L334" class="LineNr">334 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L335" class="LineNr">335 </span> <span class="Conceal">¦</span><span class="Constant"> .0add 1, 1 ╎ .</span> -<span id="L336" class="LineNr">336 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L337" class="LineNr">337 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L338" class="LineNr">338 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎add 1, 1 .</span> -<span id="L339" class="LineNr">339 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L340" class="LineNr">340 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L341" class="LineNr">341 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L334" class="LineNr">334 </span> <span class="Constant"> . run (F4) .</span> +<span id="L335" class="LineNr">335 </span> <span class="Constant"> .0add 1, 1 ╎ .</span> +<span id="L336" class="LineNr">336 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L337" class="LineNr">337 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L338" class="LineNr">338 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎add 1, 1 .</span> +<span id="L339" class="LineNr">339 </span> <span class="Constant"> . ╎2 .</span> +<span id="L340" class="LineNr">340 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L341" class="LineNr">341 </span> <span class="Constant"> . ╎ .</span> <span id="L342" class="LineNr">342 </span> ] <span id="L343" class="LineNr">343 </span>] <span id="L344" class="LineNr">344 </span> -<span id="L345" class="LineNr">345 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'><global-touch></a></span> [ +<span id="L345" class="LineNr">345 </span><span class="muRecipe">after</span> <span class="Constant"><global-touch></span> [ <span id="L346" class="LineNr">346 </span> <span class="Comment"># support 'copy to recipe' button</span> <span id="L347" class="LineNr">347 </span> <span class="Delimiter">{</span> -<span id="L348" class="LineNr">348 </span> <span class="Conceal">¦</span> copy?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L360'>should-copy-to-recipe?</a> click-row, click-column, env -<span id="L349" class="LineNr">349 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> copy? -<span id="L350" class="LineNr">350 </span> <span class="Conceal">¦</span> modified?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L375'>prepend-sandbox-into-recipe-side</a> click-row, env -<span id="L351" class="LineNr">351 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> modified? -<span id="L352" class="LineNr">352 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, <span class="Constant">0/false</span> -<span id="L353" class="LineNr">353 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L431'>render-recipes</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L354" class="LineNr">354 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L355" class="LineNr">355 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L348" class="LineNr">348 </span> copy?:bool <span class="Special"><-</span> should-copy-to-recipe? click-row, click-column, env +<span id="L349" class="LineNr">349 </span> <span class="muControl">break-unless</span> copy? +<span id="L350" class="LineNr">350 </span> modified?:bool <span class="Special"><-</span> prepend-sandbox-into-recipe-side click-row, env +<span id="L351" class="LineNr">351 </span> <span class="muControl">break-unless</span> modified? +<span id="L352" class="LineNr">352 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, <span class="Constant">0/false</span> +<span id="L353" class="LineNr">353 </span> screen <span class="Special"><-</span> render-recipes screen, env, render +<span id="L354" class="LineNr">354 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L355" class="LineNr">355 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L356" class="LineNr">356 </span> <span class="Delimiter">}</span> <span id="L357" class="LineNr">357 </span>] <span id="L358" class="LineNr">358 </span> <span id="L359" class="LineNr">359 </span><span class="Comment"># some preconditions for attempting to copy a sandbox into the recipe side</span> -<span id="L360" class="LineNr">360 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L360'>should-copy-to-recipe?</a> click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ +<span id="L360" class="LineNr">360 </span><span class="muRecipe">def</span> should-copy-to-recipe? click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ <span id="L361" class="LineNr">361 </span> <span class="Constant">local-scope</span> <span id="L362" class="LineNr">362 </span> <span class="Constant">load-inputs</span> <span id="L363" class="LineNr">363 </span> <span class="Comment"># are we below the sandbox editor?</span> -<span id="L364" class="LineNr">364 </span> click-sandbox-area?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L190'>click-on-sandbox-area?</a> click-row, click-column, env +<span id="L364" class="LineNr">364 </span> click-sandbox-area?:bool <span class="Special"><-</span> click-on-sandbox-area? click-row, click-column, env <span id="L365" class="LineNr">365 </span> <span class="muControl">return-unless</span> click-sandbox-area?, <span class="Constant">0/false</span> <span id="L366" class="LineNr">366 </span> <span class="Comment"># narrower, is the click in the columns spanning the 'copy' button?</span> <span id="L367" class="LineNr">367 </span> first-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L368" class="LineNr">368 </span> assert first-sandbox, <span class="Constant">[!!]</span> <span id="L369" class="LineNr">369 </span> sandbox-left-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">left:offset</span> <span id="L370" class="LineNr">370 </span> sandbox-right-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">right:offset</span> -<span id="L371" class="LineNr">371 </span> _, _, _, _, recipe-button-left:num, recipe-button-right:num <span class="Special"><-</span> <a href='005-sandbox.mu.html#L378'>sandbox-menu-columns</a> sandbox-left-margin, sandbox-right-margin -<span id="L372" class="LineNr">372 </span> result <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L211'>within-range?</a> click-column, recipe-button-left, recipe-button-right +<span id="L371" class="LineNr">371 </span> _, _, _, _, recipe-button-left:num, recipe-button-right:num <span class="Special"><-</span> sandbox-menu-columns sandbox-left-margin, sandbox-right-margin +<span id="L372" class="LineNr">372 </span> result <span class="Special"><-</span> within-range? click-column, recipe-button-left, recipe-button-right <span id="L373" class="LineNr">373 </span>] <span id="L374" class="LineNr">374 </span> -<span id="L375" class="LineNr">375 </span><span class="muRecipe">def</span> <a href='006-sandbox-copy.mu.html#L375'>prepend-sandbox-into-recipe-side</a> click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-copy-to-recipe-button?:bool, env:&:environment [ +<span id="L375" class="LineNr">375 </span><span class="muRecipe">def</span> prepend-sandbox-into-recipe-side click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-copy-to-recipe-button?:bool, env:&:environment [ <span id="L376" class="LineNr">376 </span> <span class="Constant">local-scope</span> <span id="L377" class="LineNr">377 </span> <span class="Constant">load-inputs</span> -<span id="L378" class="LineNr">378 </span> sandbox:&:sandbox <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L175'>find-sandbox</a> env, click-row +<span id="L378" class="LineNr">378 </span> sandbox:&:sandbox <span class="Special"><-</span> find-sandbox env, click-row <span id="L379" class="LineNr">379 </span> <span class="muControl">return-unless</span> sandbox, <span class="Constant">0/false</span> <span id="L380" class="LineNr">380 </span> recipe-editor:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> -<span id="L381" class="LineNr">381 </span> recipe-data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *recipe-editor, <span class="Constant">data:offset</span> +<span id="L381" class="LineNr">381 </span> recipe-data:&:duplex-list:char <span class="Special"><-</span> get *recipe-editor, <span class="Constant">data:offset</span> <span id="L382" class="LineNr">382 </span> <span class="Comment"># make the newly inserted code easy to delineate</span> <span id="L383" class="LineNr">383 </span> newline:char <span class="Special"><-</span> copy<span class="Constant"> 10</span> <span id="L384" class="LineNr">384 </span> insert newline, recipe-data diff --git a/html/edit/007-sandbox-delete.mu.html b/html/edit/007-sandbox-delete.mu.html index 223e8baa..0033ec49 100644 --- a/html/edit/007-sandbox-delete.mu.html +++ b/html/edit/007-sandbox-delete.mu.html @@ -15,17 +15,16 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } .LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -68,132 +67,132 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L7" class="LineNr"> 7 </span> assume-resources [ <span id="L8" class="LineNr"> 8 </span> ] -<span id="L9" class="LineNr"> 9 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L10" class="LineNr"> 10 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L9" class="LineNr"> 9 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L10" class="LineNr"> 10 </span> render-all screen, env, render <span id="L11" class="LineNr"> 11 </span> <span class="Comment"># run a few commands</span> <span id="L12" class="LineNr"> 12 </span> assume-console [ -<span id="L13" class="LineNr"> 13 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 75</span> -<span id="L14" class="LineNr"> 14 </span> <span class="Conceal">¦</span> type <span class="Constant">[divide-with-remainder 11, 3]</span> -<span id="L15" class="LineNr"> 15 </span> <span class="Conceal">¦</span> press F4 -<span id="L16" class="LineNr"> 16 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L17" class="LineNr"> 17 </span> <span class="Conceal">¦</span> press F4 +<span id="L13" class="LineNr"> 13 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 75</span> +<span id="L14" class="LineNr"> 14 </span> type <span class="Constant">[divide-with-remainder 11, 3]</span> +<span id="L15" class="LineNr"> 15 </span> press F4 +<span id="L16" class="LineNr"> 16 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L17" class="LineNr"> 17 </span> press F4 <span id="L18" class="LineNr"> 18 </span> ] -<span id="L19" class="LineNr"> 19 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L19" class="LineNr"> 19 </span> event-loop screen, console, env, resources <span id="L20" class="LineNr"> 20 </span> screen-should-contain [ -<span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L23" class="LineNr"> 23 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L26" class="LineNr"> 26 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L27" class="LineNr"> 27 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L28" class="LineNr"> 28 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L29" class="LineNr"> 29 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎divide-with-remainder 11, 3 .</span> -<span id="L30" class="LineNr"> 30 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎3 .</span> -<span id="L31" class="LineNr"> 31 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L32" class="LineNr"> 32 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L21" class="LineNr"> 21 </span> <span class="Constant"> . run (F4) .</span> +<span id="L22" class="LineNr"> 22 </span> <span class="Constant"> . ╎ .</span> +<span id="L23" class="LineNr"> 23 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Constant"> . ╎4 .</span> +<span id="L27" class="LineNr"> 27 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L28" class="LineNr"> 28 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L29" class="LineNr"> 29 </span> <span class="Constant"> . ╎divide-with-remainder 11, 3 .</span> +<span id="L30" class="LineNr"> 30 </span> <span class="Constant"> . ╎3 .</span> +<span id="L31" class="LineNr"> 31 </span> <span class="Constant"> . ╎2 .</span> +<span id="L32" class="LineNr"> 32 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L33" class="LineNr"> 33 </span> <span class="Constant"> . ╎ .</span> <span id="L34" class="LineNr"> 34 </span> ] <span id="L35" class="LineNr"> 35 </span> <span class="Comment"># delete second sandbox by clicking on left edge of 'delete' button</span> <span id="L36" class="LineNr"> 36 </span> assume-console [ -<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 7</span>,<span class="Constant"> 90</span> +<span id="L37" class="LineNr"> 37 </span> left-click<span class="Constant"> 7</span>,<span class="Constant"> 90</span> <span id="L38" class="LineNr"> 38 </span> ] <span id="L39" class="LineNr"> 39 </span> run [ -<span id="L40" class="LineNr"> 40 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L40" class="LineNr"> 40 </span> event-loop screen, console, env, resources <span id="L41" class="LineNr"> 41 </span> ] <span id="L42" class="LineNr"> 42 </span> screen-should-contain [ -<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L45" class="LineNr"> 45 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L46" class="LineNr"> 46 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L47" class="LineNr"> 47 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L48" class="LineNr"> 48 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L49" class="LineNr"> 49 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L50" class="LineNr"> 50 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L51" class="LineNr"> 51 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L43" class="LineNr"> 43 </span> <span class="Constant"> . run (F4) .</span> +<span id="L44" class="LineNr"> 44 </span> <span class="Constant"> . ╎ .</span> +<span id="L45" class="LineNr"> 45 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L47" class="LineNr"> 47 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L48" class="LineNr"> 48 </span> <span class="Constant"> . ╎4 .</span> +<span id="L49" class="LineNr"> 49 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L50" class="LineNr"> 50 </span> <span class="Constant"> . ╎ .</span> +<span id="L51" class="LineNr"> 51 </span> <span class="Constant"> . ╎ .</span> <span id="L52" class="LineNr"> 52 </span> ] <span id="L53" class="LineNr"> 53 </span> <span class="Comment"># delete first sandbox by clicking at right edge of 'delete' button</span> <span id="L54" class="LineNr"> 54 </span> assume-console [ -<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 99</span> +<span id="L55" class="LineNr"> 55 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 99</span> <span id="L56" class="LineNr"> 56 </span> ] <span id="L57" class="LineNr"> 57 </span> run [ -<span id="L58" class="LineNr"> 58 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L58" class="LineNr"> 58 </span> event-loop screen, console, env, resources <span id="L59" class="LineNr"> 59 </span> ] <span id="L60" class="LineNr"> 60 </span> screen-should-contain [ -<span id="L61" class="LineNr"> 61 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L62" class="LineNr"> 62 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L63" class="LineNr"> 63 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L64" class="LineNr"> 64 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L65" class="LineNr"> 65 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L61" class="LineNr"> 61 </span> <span class="Constant"> . run (F4) .</span> +<span id="L62" class="LineNr"> 62 </span> <span class="Constant"> . ╎ .</span> +<span id="L63" class="LineNr"> 63 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L64" class="LineNr"> 64 </span> <span class="Constant"> . ╎ .</span> +<span id="L65" class="LineNr"> 65 </span> <span class="Constant"> . ╎ .</span> <span id="L66" class="LineNr"> 66 </span> ] <span id="L67" class="LineNr"> 67 </span>] <span id="L68" class="LineNr"> 68 </span> -<span id="L69" class="LineNr"> 69 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'><global-touch></a></span> [ +<span id="L69" class="LineNr"> 69 </span><span class="muRecipe">after</span> <span class="Constant"><global-touch></span> [ <span id="L70" class="LineNr"> 70 </span> <span class="Comment"># support 'delete' button</span> <span id="L71" class="LineNr"> 71 </span> <span class="Delimiter">{</span> -<span id="L72" class="LineNr"> 72 </span> <span class="Conceal">¦</span> delete?:bool <span class="Special"><-</span> <a href='007-sandbox-delete.mu.html#L83'>should-attempt-delete?</a> click-row, click-column, env -<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> delete? -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span> delete?, env <span class="Special"><-</span> <a href='007-sandbox-delete.mu.html#L98'>try-delete-sandbox</a> click-row, env -<span id="L75" class="LineNr"> 75 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> delete? -<span id="L76" class="LineNr"> 76 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L77" class="LineNr"> 77 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L78" class="LineNr"> 78 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L72" class="LineNr"> 72 </span> delete?:bool <span class="Special"><-</span> should-attempt-delete? click-row, click-column, env +<span id="L73" class="LineNr"> 73 </span> <span class="muControl">break-unless</span> delete? +<span id="L74" class="LineNr"> 74 </span> delete?, env <span class="Special"><-</span> try-delete-sandbox click-row, env +<span id="L75" class="LineNr"> 75 </span> <span class="muControl">break-unless</span> delete? +<span id="L76" class="LineNr"> 76 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L77" class="LineNr"> 77 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L78" class="LineNr"> 78 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L79" class="LineNr"> 79 </span> <span class="Delimiter">}</span> <span id="L80" class="LineNr"> 80 </span>] <span id="L81" class="LineNr"> 81 </span> <span id="L82" class="LineNr"> 82 </span><span class="Comment"># some preconditions for attempting to delete a sandbox</span> -<span id="L83" class="LineNr"> 83 </span><span class="muRecipe">def</span> <a href='007-sandbox-delete.mu.html#L83'>should-attempt-delete?</a> click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ +<span id="L83" class="LineNr"> 83 </span><span class="muRecipe">def</span> should-attempt-delete? click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ <span id="L84" class="LineNr"> 84 </span> <span class="Constant">local-scope</span> <span id="L85" class="LineNr"> 85 </span> <span class="Constant">load-inputs</span> <span id="L86" class="LineNr"> 86 </span> <span class="Comment"># are we below the sandbox editor?</span> -<span id="L87" class="LineNr"> 87 </span> click-sandbox-area?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L190'>click-on-sandbox-area?</a> click-row, click-column, env +<span id="L87" class="LineNr"> 87 </span> click-sandbox-area?:bool <span class="Special"><-</span> click-on-sandbox-area? click-row, click-column, env <span id="L88" class="LineNr"> 88 </span> <span class="muControl">return-unless</span> click-sandbox-area?, <span class="Constant">0/false</span> <span id="L89" class="LineNr"> 89 </span> <span class="Comment"># narrower, is the click in the columns spanning the 'copy' button?</span> <span id="L90" class="LineNr"> 90 </span> first-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L91" class="LineNr"> 91 </span> assert first-sandbox, <span class="Constant">[!!]</span> <span id="L92" class="LineNr"> 92 </span> sandbox-left-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">left:offset</span> <span id="L93" class="LineNr"> 93 </span> sandbox-right-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">right:offset</span> -<span id="L94" class="LineNr"> 94 </span> _, _, _, _, _, _, delete-button-left:num <span class="Special"><-</span> <a href='005-sandbox.mu.html#L378'>sandbox-menu-columns</a> sandbox-left-margin, sandbox-right-margin -<span id="L95" class="LineNr"> 95 </span> result <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L211'>within-range?</a> click-column, delete-button-left, sandbox-right-margin +<span id="L94" class="LineNr"> 94 </span> _, _, _, _, _, _, delete-button-left:num <span class="Special"><-</span> sandbox-menu-columns sandbox-left-margin, sandbox-right-margin +<span id="L95" class="LineNr"> 95 </span> result <span class="Special"><-</span> within-range? click-column, delete-button-left, sandbox-right-margin <span id="L96" class="LineNr"> 96 </span>] <span id="L97" class="LineNr"> 97 </span> -<span id="L98" class="LineNr"> 98 </span><span class="muRecipe">def</span> <a href='007-sandbox-delete.mu.html#L98'>try-delete-sandbox</a> click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-delete-button?:bool, env:&:environment [ +<span id="L98" class="LineNr"> 98 </span><span class="muRecipe">def</span> try-delete-sandbox click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-delete-button?:bool, env:&:environment [ <span id="L99" class="LineNr"> 99 </span> <span class="Constant">local-scope</span> <span id="L100" class="LineNr">100 </span> <span class="Constant">load-inputs</span> <span id="L101" class="LineNr">101 </span> <span class="Comment"># identify the sandbox to delete, if the click was actually on the 'delete' button</span> -<span id="L102" class="LineNr">102 </span> sandbox:&:sandbox <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L175'>find-sandbox</a> env, click-row +<span id="L102" class="LineNr">102 </span> sandbox:&:sandbox <span class="Special"><-</span> find-sandbox env, click-row <span id="L103" class="LineNr">103 </span> <span class="muControl">return-unless</span> sandbox, <span class="Constant">0/false</span> <span id="L104" class="LineNr">104 </span> clicked-on-delete-button? <span class="Special"><-</span> copy <span class="Constant">1/true</span> -<span id="L105" class="LineNr">105 </span> env <span class="Special"><-</span> <a href='007-sandbox-delete.mu.html#L108'>delete-sandbox</a> env, sandbox +<span id="L105" class="LineNr">105 </span> env <span class="Special"><-</span> delete-sandbox env, sandbox <span id="L106" class="LineNr">106 </span>] <span id="L107" class="LineNr">107 </span> -<span id="L108" class="LineNr">108 </span><span class="muRecipe">def</span> <a href='007-sandbox-delete.mu.html#L108'>delete-sandbox</a> env:&:environment, sandbox:&:sandbox<span class="muRecipe"> -> </span>env:&:environment [ +<span id="L108" class="LineNr">108 </span><span class="muRecipe">def</span> delete-sandbox env:&:environment, sandbox:&:sandbox<span class="muRecipe"> -> </span>env:&:environment [ <span id="L109" class="LineNr">109 </span> <span class="Constant">local-scope</span> <span id="L110" class="LineNr">110 </span> <span class="Constant">load-inputs</span> <span id="L111" class="LineNr">111 </span> curr-sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> <span id="L112" class="LineNr">112 </span> first-sandbox?:bool <span class="Special"><-</span> equal curr-sandbox, sandbox <span id="L113" class="LineNr">113 </span> <span class="Delimiter">{</span> -<span id="L114" class="LineNr">114 </span> <span class="Conceal">¦</span> <span class="Comment"># first sandbox? pop</span> -<span id="L115" class="LineNr">115 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> first-sandbox? -<span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span> next-sandbox:&:sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> -<span id="L117" class="LineNr">117 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox:offset</span>, next-sandbox +<span id="L114" class="LineNr">114 </span> <span class="Comment"># first sandbox? pop</span> +<span id="L115" class="LineNr">115 </span> <span class="muControl">break-unless</span> first-sandbox? +<span id="L116" class="LineNr">116 </span> next-sandbox:&:sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> +<span id="L117" class="LineNr">117 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">sandbox:offset</span>, next-sandbox <span id="L118" class="LineNr">118 </span> <span class="Delimiter">}</span> <span id="L119" class="LineNr">119 </span> <span class="Delimiter">{</span> -<span id="L120" class="LineNr">120 </span> <span class="Conceal">¦</span> <span class="Comment"># not first sandbox?</span> -<span id="L121" class="LineNr">121 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> first-sandbox? -<span id="L122" class="LineNr">122 </span> <span class="Conceal">¦</span> prev-sandbox:&:sandbox <span class="Special"><-</span> copy curr-sandbox -<span id="L123" class="LineNr">123 </span> <span class="Conceal">¦</span> curr-sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> -<span id="L124" class="LineNr">124 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L125" class="LineNr">125 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert curr-sandbox, <span class="Constant">[sandbox not found! something is wrong.]</span> -<span id="L126" class="LineNr">126 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> found?:bool <span class="Special"><-</span> equal curr-sandbox, sandbox -<span id="L127" class="LineNr">127 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> found? -<span id="L128" class="LineNr">128 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> prev-sandbox <span class="Special"><-</span> copy curr-sandbox -<span id="L129" class="LineNr">129 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr-sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> -<span id="L130" class="LineNr">130 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> loop</span> -<span id="L131" class="LineNr">131 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L132" class="LineNr">132 </span> <span class="Conceal">¦</span> <span class="Comment"># snip sandbox out of its list</span> -<span id="L133" class="LineNr">133 </span> <span class="Conceal">¦</span> next-sandbox:&:sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> -<span id="L134" class="LineNr">134 </span> <span class="Conceal">¦</span> *prev-sandbox <span class="Special"><-</span> put *prev-sandbox, <span class="Constant">next-sandbox:offset</span>, next-sandbox +<span id="L120" class="LineNr">120 </span> <span class="Comment"># not first sandbox?</span> +<span id="L121" class="LineNr">121 </span> <span class="muControl">break-if</span> first-sandbox? +<span id="L122" class="LineNr">122 </span> prev-sandbox:&:sandbox <span class="Special"><-</span> copy curr-sandbox +<span id="L123" class="LineNr">123 </span> curr-sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> +<span id="L124" class="LineNr">124 </span> <span class="Delimiter">{</span> +<span id="L125" class="LineNr">125 </span> assert curr-sandbox, <span class="Constant">[sandbox not found! something is wrong.]</span> +<span id="L126" class="LineNr">126 </span> found?:bool <span class="Special"><-</span> equal curr-sandbox, sandbox +<span id="L127" class="LineNr">127 </span> <span class="muControl">break-if</span> found? +<span id="L128" class="LineNr">128 </span> prev-sandbox <span class="Special"><-</span> copy curr-sandbox +<span id="L129" class="LineNr">129 </span> curr-sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> +<span id="L130" class="LineNr">130 </span> <span class="muControl"> loop</span> +<span id="L131" class="LineNr">131 </span> <span class="Delimiter">}</span> +<span id="L132" class="LineNr">132 </span> <span class="Comment"># snip sandbox out of its list</span> +<span id="L133" class="LineNr">133 </span> next-sandbox:&:sandbox <span class="Special"><-</span> get *curr-sandbox, <span class="Constant">next-sandbox:offset</span> +<span id="L134" class="LineNr">134 </span> *prev-sandbox <span class="Special"><-</span> put *prev-sandbox, <span class="Constant">next-sandbox:offset</span>, next-sandbox <span id="L135" class="LineNr">135 </span> <span class="Delimiter">}</span> <span id="L136" class="LineNr">136 </span> <span class="Comment"># update sandbox count</span> <span id="L137" class="LineNr">137 </span> sandbox-count:num <span class="Special"><-</span> get *env, <span class="Constant">number-of-sandboxes:offset</span> @@ -201,11 +200,11 @@ if ('onhashchange' in window) { <span id="L139" class="LineNr">139 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">number-of-sandboxes:offset</span>, sandbox-count <span id="L140" class="LineNr">140 </span> <span class="Comment"># reset scroll if deleted sandbox was last</span> <span id="L141" class="LineNr">141 </span> <span class="Delimiter">{</span> -<span id="L142" class="LineNr">142 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> next-sandbox -<span id="L143" class="LineNr">143 </span> <span class="Conceal">¦</span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> -<span id="L144" class="LineNr">144 </span> <span class="Conceal">¦</span> reset-scroll?:bool <span class="Special"><-</span> equal render-from, sandbox-count -<span id="L145" class="LineNr">145 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> reset-scroll? -<span id="L146" class="LineNr">146 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>,<span class="Constant"> -1</span> +<span id="L142" class="LineNr">142 </span> <span class="muControl">break-if</span> next-sandbox +<span id="L143" class="LineNr">143 </span> render-from:num <span class="Special"><-</span> get *env, <span class="Constant">render-from:offset</span> +<span id="L144" class="LineNr">144 </span> reset-scroll?:bool <span class="Special"><-</span> equal render-from, sandbox-count +<span id="L145" class="LineNr">145 </span> <span class="muControl">break-unless</span> reset-scroll? +<span id="L146" class="LineNr">146 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>,<span class="Constant"> -1</span> <span id="L147" class="LineNr">147 </span> <span class="Delimiter">}</span> <span id="L148" class="LineNr">148 </span>] <span id="L149" class="LineNr">149 </span> @@ -216,43 +215,43 @@ if ('onhashchange' in window) { <span id="L154" class="LineNr">154 </span> <span class="Comment"># initialize environment</span> <span id="L155" class="LineNr">155 </span> assume-resources [ <span id="L156" class="LineNr">156 </span> ] -<span id="L157" class="LineNr">157 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L158" class="LineNr">158 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L157" class="LineNr">157 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L158" class="LineNr">158 </span> render-all screen, env, render <span id="L159" class="LineNr">159 </span> <span class="Comment"># create 2 sandboxes and scroll to second</span> <span id="L160" class="LineNr">160 </span> assume-console [ -<span id="L161" class="LineNr">161 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L162" class="LineNr">162 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L163" class="LineNr">163 </span> <span class="Conceal">¦</span> press F4 -<span id="L164" class="LineNr">164 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L165" class="LineNr">165 </span> <span class="Conceal">¦</span> press F4 -<span id="L166" class="LineNr">166 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L161" class="LineNr">161 </span> press ctrl-n +<span id="L162" class="LineNr">162 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L163" class="LineNr">163 </span> press F4 +<span id="L164" class="LineNr">164 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L165" class="LineNr">165 </span> press F4 +<span id="L166" class="LineNr">166 </span> press page-down <span id="L167" class="LineNr">167 </span> ] -<span id="L168" class="LineNr">168 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L168" class="LineNr">168 </span> event-loop screen, console, env, resources <span id="L169" class="LineNr">169 </span> screen-should-contain [ -<span id="L170" class="LineNr">170 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L171" class="LineNr">171 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L172" class="LineNr">172 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L173" class="LineNr">173 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L174" class="LineNr">174 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L175" class="LineNr">175 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L176" class="LineNr">176 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L170" class="LineNr">170 </span> <span class="Constant"> . run (F4) .</span> +<span id="L171" class="LineNr">171 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L172" class="LineNr">172 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L173" class="LineNr">173 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L174" class="LineNr">174 </span> <span class="Constant"> . ╎2 .</span> +<span id="L175" class="LineNr">175 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L176" class="LineNr">176 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> <span id="L177" class="LineNr">177 </span> ] <span id="L178" class="LineNr">178 </span> <span class="Comment"># delete the second sandbox</span> <span id="L179" class="LineNr">179 </span> assume-console [ -<span id="L180" class="LineNr">180 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 6</span>,<span class="Constant"> 99</span> +<span id="L180" class="LineNr">180 </span> left-click<span class="Constant"> 6</span>,<span class="Constant"> 99</span> <span id="L181" class="LineNr">181 </span> ] <span id="L182" class="LineNr">182 </span> run [ -<span id="L183" class="LineNr">183 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L183" class="LineNr">183 </span> event-loop screen, console, env, resources <span id="L184" class="LineNr">184 </span> ] <span id="L185" class="LineNr">185 </span> <span class="Comment"># second sandbox shows in editor; scroll resets to display first sandbox</span> <span id="L186" class="LineNr">186 </span> screen-should-contain [ -<span id="L187" class="LineNr">187 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L188" class="LineNr">188 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L189" class="LineNr">189 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L190" class="LineNr">190 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L193" class="LineNr">193 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L187" class="LineNr">187 </span> <span class="Constant"> . run (F4) .</span> +<span id="L188" class="LineNr">188 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L189" class="LineNr">189 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L190" class="LineNr">190 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L191" class="LineNr">191 </span> <span class="Constant"> . ╎2 .</span> +<span id="L192" class="LineNr">192 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L193" class="LineNr">193 </span> <span class="Constant"> . ╎ .</span> <span id="L194" class="LineNr">194 </span> ] <span id="L195" class="LineNr">195 </span>] <span id="L196" class="LineNr">196 </span> @@ -263,43 +262,43 @@ if ('onhashchange' in window) { <span id="L201" class="LineNr">201 </span> <span class="Comment"># initialize environment</span> <span id="L202" class="LineNr">202 </span> assume-resources [ <span id="L203" class="LineNr">203 </span> ] -<span id="L204" class="LineNr">204 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L205" class="LineNr">205 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L204" class="LineNr">204 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L205" class="LineNr">205 </span> render-all screen, env, render <span id="L206" class="LineNr">206 </span> <span class="Comment"># create 2 sandboxes and scroll to second</span> <span id="L207" class="LineNr">207 </span> assume-console [ -<span id="L208" class="LineNr">208 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L209" class="LineNr">209 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L210" class="LineNr">210 </span> <span class="Conceal">¦</span> press F4 -<span id="L211" class="LineNr">211 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L212" class="LineNr">212 </span> <span class="Conceal">¦</span> press F4 -<span id="L213" class="LineNr">213 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L208" class="LineNr">208 </span> press ctrl-n +<span id="L209" class="LineNr">209 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L210" class="LineNr">210 </span> press F4 +<span id="L211" class="LineNr">211 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L212" class="LineNr">212 </span> press F4 +<span id="L213" class="LineNr">213 </span> press page-down <span id="L214" class="LineNr">214 </span> ] -<span id="L215" class="LineNr">215 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L215" class="LineNr">215 </span> event-loop screen, console, env, resources <span id="L216" class="LineNr">216 </span> screen-should-contain [ -<span id="L217" class="LineNr">217 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L218" class="LineNr">218 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L219" class="LineNr">219 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L220" class="LineNr">220 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L221" class="LineNr">221 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L217" class="LineNr">217 </span> <span class="Constant"> . run (F4) .</span> +<span id="L218" class="LineNr">218 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L219" class="LineNr">219 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L220" class="LineNr">220 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L221" class="LineNr">221 </span> <span class="Constant"> . ╎2 .</span> +<span id="L222" class="LineNr">222 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L223" class="LineNr">223 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> <span id="L224" class="LineNr">224 </span> ] <span id="L225" class="LineNr">225 </span> <span class="Comment"># delete the second sandbox</span> <span id="L226" class="LineNr">226 </span> assume-console [ -<span id="L227" class="LineNr">227 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 99</span> +<span id="L227" class="LineNr">227 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 99</span> <span id="L228" class="LineNr">228 </span> ] <span id="L229" class="LineNr">229 </span> run [ -<span id="L230" class="LineNr">230 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L230" class="LineNr">230 </span> event-loop screen, console, env, resources <span id="L231" class="LineNr">231 </span> ] <span id="L232" class="LineNr">232 </span> <span class="Comment"># second sandbox shows in editor; scroll resets to display first sandbox</span> <span id="L233" class="LineNr">233 </span> screen-should-contain [ -<span id="L234" class="LineNr">234 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L235" class="LineNr">235 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L236" class="LineNr">236 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L238" class="LineNr">238 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L239" class="LineNr">239 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L240" class="LineNr">240 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L234" class="LineNr">234 </span> <span class="Constant"> . run (F4) .</span> +<span id="L235" class="LineNr">235 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L236" class="LineNr">236 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L237" class="LineNr">237 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L238" class="LineNr">238 </span> <span class="Constant"> . ╎4 .</span> +<span id="L239" class="LineNr">239 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L240" class="LineNr">240 </span> <span class="Constant"> . ╎ .</span> <span id="L241" class="LineNr">241 </span> ] <span id="L242" class="LineNr">242 </span>] <span id="L243" class="LineNr">243 </span> @@ -310,45 +309,45 @@ if ('onhashchange' in window) { <span id="L248" class="LineNr">248 </span> <span class="Comment"># initialize environment</span> <span id="L249" class="LineNr">249 </span> assume-resources [ <span id="L250" class="LineNr">250 </span> ] -<span id="L251" class="LineNr">251 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L252" class="LineNr">252 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L251" class="LineNr">251 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L252" class="LineNr">252 </span> render-all screen, env, render <span id="L253" class="LineNr">253 </span> <span class="Comment"># create 2 sandboxes and scroll to second</span> <span id="L254" class="LineNr">254 </span> assume-console [ -<span id="L255" class="LineNr">255 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L256" class="LineNr">256 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L257" class="LineNr">257 </span> <span class="Conceal">¦</span> press F4 -<span id="L258" class="LineNr">258 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L259" class="LineNr">259 </span> <span class="Conceal">¦</span> press F4 -<span id="L260" class="LineNr">260 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L261" class="LineNr">261 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L255" class="LineNr">255 </span> press ctrl-n +<span id="L256" class="LineNr">256 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L257" class="LineNr">257 </span> press F4 +<span id="L258" class="LineNr">258 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L259" class="LineNr">259 </span> press F4 +<span id="L260" class="LineNr">260 </span> press page-down +<span id="L261" class="LineNr">261 </span> press page-down <span id="L262" class="LineNr">262 </span> ] -<span id="L263" class="LineNr">263 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L263" class="LineNr">263 </span> event-loop screen, console, env, resources <span id="L264" class="LineNr">264 </span> screen-should-contain [ -<span id="L265" class="LineNr">265 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L266" class="LineNr">266 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L267" class="LineNr">267 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> -<span id="L268" class="LineNr">268 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L269" class="LineNr">269 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L270" class="LineNr">270 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L271" class="LineNr">271 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L265" class="LineNr">265 </span> <span class="Constant"> . run (F4) .</span> +<span id="L266" class="LineNr">266 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L267" class="LineNr">267 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> +<span id="L268" class="LineNr">268 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L269" class="LineNr">269 </span> <span class="Constant"> . ╎4 .</span> +<span id="L270" class="LineNr">270 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L271" class="LineNr">271 </span> <span class="Constant"> . ╎ .</span> <span id="L272" class="LineNr">272 </span> ] <span id="L273" class="LineNr">273 </span> <span class="Comment"># delete the second sandbox</span> <span id="L274" class="LineNr">274 </span> assume-console [ -<span id="L275" class="LineNr">275 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 99</span> +<span id="L275" class="LineNr">275 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 99</span> <span id="L276" class="LineNr">276 </span> ] <span id="L277" class="LineNr">277 </span> run [ -<span id="L278" class="LineNr">278 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L278" class="LineNr">278 </span> event-loop screen, console, env, resources <span id="L279" class="LineNr">279 </span> ] <span id="L280" class="LineNr">280 </span> <span class="Comment"># implicitly scroll up to first sandbox</span> <span id="L281" class="LineNr">281 </span> screen-should-contain [ -<span id="L282" class="LineNr">282 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L283" class="LineNr">283 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L284" class="LineNr">284 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L285" class="LineNr">285 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L286" class="LineNr">286 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L287" class="LineNr">287 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L288" class="LineNr">288 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L289" class="LineNr">289 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L282" class="LineNr">282 </span> <span class="Constant"> . run (F4) .</span> +<span id="L283" class="LineNr">283 </span> <span class="Constant"> . ╎ .</span> +<span id="L284" class="LineNr">284 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L285" class="LineNr">285 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L286" class="LineNr">286 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L287" class="LineNr">287 </span> <span class="Constant"> . ╎2 .</span> +<span id="L288" class="LineNr">288 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L289" class="LineNr">289 </span> <span class="Constant"> . ╎ .</span> <span id="L290" class="LineNr">290 </span> ] <span id="L291" class="LineNr">291 </span>] <span id="L292" class="LineNr">292 </span> @@ -359,47 +358,47 @@ if ('onhashchange' in window) { <span id="L297" class="LineNr">297 </span> <span class="Comment"># initialize environment</span> <span id="L298" class="LineNr">298 </span> assume-resources [ <span id="L299" class="LineNr">299 </span> ] -<span id="L300" class="LineNr">300 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L301" class="LineNr">301 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L300" class="LineNr">300 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L301" class="LineNr">301 </span> render-all screen, env, render <span id="L302" class="LineNr">302 </span> <span class="Comment"># create 2 sandboxes</span> <span id="L303" class="LineNr">303 </span> assume-console [ -<span id="L304" class="LineNr">304 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L305" class="LineNr">305 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L306" class="LineNr">306 </span> <span class="Conceal">¦</span> press F4 -<span id="L307" class="LineNr">307 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L308" class="LineNr">308 </span> <span class="Conceal">¦</span> press F4 +<span id="L304" class="LineNr">304 </span> press ctrl-n +<span id="L305" class="LineNr">305 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L306" class="LineNr">306 </span> press F4 +<span id="L307" class="LineNr">307 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L308" class="LineNr">308 </span> press F4 <span id="L309" class="LineNr">309 </span> ] -<span id="L310" class="LineNr">310 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L310" class="LineNr">310 </span> event-loop screen, console, env, resources <span id="L311" class="LineNr">311 </span> screen-should-contain [ -<span id="L312" class="LineNr">312 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L313" class="LineNr">313 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L314" class="LineNr">314 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L315" class="LineNr">315 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L316" class="LineNr">316 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L317" class="LineNr">317 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L318" class="LineNr">318 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L319" class="LineNr">319 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L320" class="LineNr">320 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L321" class="LineNr">321 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L312" class="LineNr">312 </span> <span class="Constant"> . run (F4) .</span> +<span id="L313" class="LineNr">313 </span> <span class="Constant"> . ╎ .</span> +<span id="L314" class="LineNr">314 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L315" class="LineNr">315 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L316" class="LineNr">316 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L317" class="LineNr">317 </span> <span class="Constant"> . ╎2 .</span> +<span id="L318" class="LineNr">318 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L319" class="LineNr">319 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L320" class="LineNr">320 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L321" class="LineNr">321 </span> <span class="Constant"> . ╎4 .</span> <span id="L322" class="LineNr">322 </span> ] <span id="L323" class="LineNr">323 </span> <span class="Comment"># delete the second sandbox, then try to scroll down twice</span> <span id="L324" class="LineNr">324 </span> assume-console [ -<span id="L325" class="LineNr">325 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 99</span> -<span id="L326" class="LineNr">326 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L327" class="LineNr">327 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L325" class="LineNr">325 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 99</span> +<span id="L326" class="LineNr">326 </span> press page-down +<span id="L327" class="LineNr">327 </span> press page-down <span id="L328" class="LineNr">328 </span> ] <span id="L329" class="LineNr">329 </span> run [ -<span id="L330" class="LineNr">330 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L330" class="LineNr">330 </span> event-loop screen, console, env, resources <span id="L331" class="LineNr">331 </span> ] <span id="L332" class="LineNr">332 </span> <span class="Comment"># shouldn't go past last sandbox</span> <span id="L333" class="LineNr">333 </span> screen-should-contain [ -<span id="L334" class="LineNr">334 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L335" class="LineNr">335 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L336" class="LineNr">336 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> -<span id="L337" class="LineNr">337 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L338" class="LineNr">338 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L339" class="LineNr">339 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L340" class="LineNr">340 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L334" class="LineNr">334 </span> <span class="Constant"> . run (F4) .</span> +<span id="L335" class="LineNr">335 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L336" class="LineNr">336 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎0 edit copy to recipe delete .</span> +<span id="L337" class="LineNr">337 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L338" class="LineNr">338 </span> <span class="Constant"> . ╎4 .</span> +<span id="L339" class="LineNr">339 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L340" class="LineNr">340 </span> <span class="Constant"> . ╎ .</span> <span id="L341" class="LineNr">341 </span> ] <span id="L342" class="LineNr">342 </span>] </pre> diff --git a/html/edit/008-sandbox-edit.mu.html b/html/edit/008-sandbox-edit.mu.html index 23a66210..7c7cfa4f 100644 --- a/html/edit/008-sandbox-edit.mu.html +++ b/html/edit/008-sandbox-edit.mu.html @@ -15,17 +15,16 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } .LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -69,49 +68,49 @@ if ('onhashchange' in window) { <span id="L7" class="LineNr"> 7 </span> <span class="Comment"># empty recipes</span> <span id="L8" class="LineNr"> 8 </span> assume-resources [ <span id="L9" class="LineNr"> 9 </span> ] -<span id="L10" class="LineNr"> 10 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 2, 2]</span> -<span id="L11" class="LineNr"> 11 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L10" class="LineNr"> 10 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[add 2, 2]</span> +<span id="L11" class="LineNr"> 11 </span> render-all screen, env, render <span id="L12" class="LineNr"> 12 </span> <span class="Comment"># run it</span> <span id="L13" class="LineNr"> 13 </span> assume-console [ -<span id="L14" class="LineNr"> 14 </span> <span class="Conceal">¦</span> press F4 +<span id="L14" class="LineNr"> 14 </span> press F4 <span id="L15" class="LineNr"> 15 </span> ] -<span id="L16" class="LineNr"> 16 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L16" class="LineNr"> 16 </span> event-loop screen, console, env, resources <span id="L17" class="LineNr"> 17 </span> screen-should-contain [ -<span id="L18" class="LineNr"> 18 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L20" class="LineNr"> 20 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L18" class="LineNr"> 18 </span> <span class="Constant"> . run (F4) .</span> +<span id="L19" class="LineNr"> 19 </span> <span class="Constant"> . ╎ .</span> +<span id="L20" class="LineNr"> 20 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L21" class="LineNr"> 21 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L22" class="LineNr"> 22 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Constant"> . ╎4 .</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Constant"> . ╎ .</span> <span id="L26" class="LineNr"> 26 </span> ] <span id="L27" class="LineNr"> 27 </span> <span class="Comment"># click at left edge of 'edit' button</span> <span id="L28" class="LineNr"> 28 </span> assume-console [ -<span id="L29" class="LineNr"> 29 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 55</span> +<span id="L29" class="LineNr"> 29 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 55</span> <span id="L30" class="LineNr"> 30 </span> ] <span id="L31" class="LineNr"> 31 </span> run [ -<span id="L32" class="LineNr"> 32 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L32" class="LineNr"> 32 </span> event-loop screen, console, env, resources <span id="L33" class="LineNr"> 33 </span> ] <span id="L34" class="LineNr"> 34 </span> <span class="Comment"># it pops back into editor</span> <span id="L35" class="LineNr"> 35 </span> screen-should-contain [ -<span id="L36" class="LineNr"> 36 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L38" class="LineNr"> 38 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L39" class="LineNr"> 39 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L36" class="LineNr"> 36 </span> <span class="Constant"> . run (F4) .</span> +<span id="L37" class="LineNr"> 37 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L38" class="LineNr"> 38 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L39" class="LineNr"> 39 </span> <span class="Constant"> . ╎ .</span> <span id="L40" class="LineNr"> 40 </span> ] <span id="L41" class="LineNr"> 41 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L42" class="LineNr"> 42 </span> assume-console [ -<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L43" class="LineNr"> 43 </span> type <span class="Constant">[0]</span> <span id="L44" class="LineNr"> 44 </span> ] <span id="L45" class="LineNr"> 45 </span> run [ -<span id="L46" class="LineNr"> 46 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L46" class="LineNr"> 46 </span> event-loop screen, console, env, resources <span id="L47" class="LineNr"> 47 </span> ] <span id="L48" class="LineNr"> 48 </span> screen-should-contain [ -<span id="L49" class="LineNr"> 49 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L50" class="LineNr"> 50 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0add 2, 2 .</span> -<span id="L51" class="LineNr"> 51 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L52" class="LineNr"> 52 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L49" class="LineNr"> 49 </span> <span class="Constant"> . run (F4) .</span> +<span id="L50" class="LineNr"> 50 </span> <span class="Constant"> . ╎0add 2, 2 .</span> +<span id="L51" class="LineNr"> 51 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L52" class="LineNr"> 52 </span> <span class="Constant"> . ╎ .</span> <span id="L53" class="LineNr"> 53 </span> ] <span id="L54" class="LineNr"> 54 </span>] <span id="L55" class="LineNr"> 55 </span> @@ -122,97 +121,97 @@ if ('onhashchange' in window) { <span id="L60" class="LineNr"> 60 </span> <span class="Comment"># empty recipes</span> <span id="L61" class="LineNr"> 61 </span> assume-resources [ <span id="L62" class="LineNr"> 62 </span> ] -<span id="L63" class="LineNr"> 63 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 2, 2]</span> -<span id="L64" class="LineNr"> 64 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L63" class="LineNr"> 63 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[add 2, 2]</span> +<span id="L64" class="LineNr"> 64 </span> render-all screen, env, render <span id="L65" class="LineNr"> 65 </span> <span class="Comment"># run it</span> <span id="L66" class="LineNr"> 66 </span> assume-console [ -<span id="L67" class="LineNr"> 67 </span> <span class="Conceal">¦</span> press F4 +<span id="L67" class="LineNr"> 67 </span> press F4 <span id="L68" class="LineNr"> 68 </span> ] -<span id="L69" class="LineNr"> 69 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L69" class="LineNr"> 69 </span> event-loop screen, console, env, resources <span id="L70" class="LineNr"> 70 </span> screen-should-contain [ -<span id="L71" class="LineNr"> 71 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L72" class="LineNr"> 72 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L73" class="LineNr"> 73 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L75" class="LineNr"> 75 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L76" class="LineNr"> 76 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L77" class="LineNr"> 77 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L78" class="LineNr"> 78 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L71" class="LineNr"> 71 </span> <span class="Constant"> . run (F4) .</span> +<span id="L72" class="LineNr"> 72 </span> <span class="Constant"> . ╎ .</span> +<span id="L73" class="LineNr"> 73 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L74" class="LineNr"> 74 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L75" class="LineNr"> 75 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L76" class="LineNr"> 76 </span> <span class="Constant"> . ╎4 .</span> +<span id="L77" class="LineNr"> 77 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L78" class="LineNr"> 78 </span> <span class="Constant"> . ╎ .</span> <span id="L79" class="LineNr"> 79 </span> ] <span id="L80" class="LineNr"> 80 </span> <span class="Comment"># click at right edge of 'edit' button (just before 'copy')</span> <span id="L81" class="LineNr"> 81 </span> assume-console [ -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 65</span> +<span id="L82" class="LineNr"> 82 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 65</span> <span id="L83" class="LineNr"> 83 </span> ] <span id="L84" class="LineNr"> 84 </span> run [ -<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L85" class="LineNr"> 85 </span> event-loop screen, console, env, resources <span id="L86" class="LineNr"> 86 </span> ] <span id="L87" class="LineNr"> 87 </span> <span class="Comment"># it pops back into editor</span> <span id="L88" class="LineNr"> 88 </span> screen-should-contain [ -<span id="L89" class="LineNr"> 89 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L90" class="LineNr"> 90 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L91" class="LineNr"> 91 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L92" class="LineNr"> 92 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L89" class="LineNr"> 89 </span> <span class="Constant"> . run (F4) .</span> +<span id="L90" class="LineNr"> 90 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L91" class="LineNr"> 91 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L92" class="LineNr"> 92 </span> <span class="Constant"> . ╎ .</span> <span id="L93" class="LineNr"> 93 </span> ] <span id="L94" class="LineNr"> 94 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L95" class="LineNr"> 95 </span> assume-console [ -<span id="L96" class="LineNr"> 96 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L96" class="LineNr"> 96 </span> type <span class="Constant">[0]</span> <span id="L97" class="LineNr"> 97 </span> ] <span id="L98" class="LineNr"> 98 </span> run [ -<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L99" class="LineNr"> 99 </span> event-loop screen, console, env, resources <span id="L100" class="LineNr">100 </span> ] <span id="L101" class="LineNr">101 </span> screen-should-contain [ -<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0add 2, 2 .</span> -<span id="L104" class="LineNr">104 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L105" class="LineNr">105 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L102" class="LineNr">102 </span> <span class="Constant"> . run (F4) .</span> +<span id="L103" class="LineNr">103 </span> <span class="Constant"> . ╎0add 2, 2 .</span> +<span id="L104" class="LineNr">104 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L105" class="LineNr">105 </span> <span class="Constant"> . ╎ .</span> <span id="L106" class="LineNr">106 </span> ] <span id="L107" class="LineNr">107 </span>] <span id="L108" class="LineNr">108 </span> -<span id="L109" class="LineNr">109 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'><global-touch></a></span> [ +<span id="L109" class="LineNr">109 </span><span class="muRecipe">after</span> <span class="Constant"><global-touch></span> [ <span id="L110" class="LineNr">110 </span> <span class="Comment"># support 'edit' button</span> <span id="L111" class="LineNr">111 </span> <span class="Delimiter">{</span> -<span id="L112" class="LineNr">112 </span> <span class="Conceal">¦</span> edit?:bool <span class="Special"><-</span> <a href='008-sandbox-edit.mu.html#L123'>should-attempt-edit?</a> click-row, click-column, env -<span id="L113" class="LineNr">113 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> edit? -<span id="L114" class="LineNr">114 </span> <span class="Conceal">¦</span> edit?, env <span class="Special"><-</span> <a href='008-sandbox-edit.mu.html#L142'>try-edit-sandbox</a> click-row, env -<span id="L115" class="LineNr">115 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> edit? -<span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L117" class="LineNr">117 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L118" class="LineNr">118 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L112" class="LineNr">112 </span> edit?:bool <span class="Special"><-</span> should-attempt-edit? click-row, click-column, env +<span id="L113" class="LineNr">113 </span> <span class="muControl">break-unless</span> edit? +<span id="L114" class="LineNr">114 </span> edit?, env <span class="Special"><-</span> try-edit-sandbox click-row, env +<span id="L115" class="LineNr">115 </span> <span class="muControl">break-unless</span> edit? +<span id="L116" class="LineNr">116 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L117" class="LineNr">117 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L118" class="LineNr">118 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L119" class="LineNr">119 </span> <span class="Delimiter">}</span> <span id="L120" class="LineNr">120 </span>] <span id="L121" class="LineNr">121 </span> <span id="L122" class="LineNr">122 </span><span class="Comment"># some preconditions for attempting to edit a sandbox</span> -<span id="L123" class="LineNr">123 </span><span class="muRecipe">def</span> <a href='008-sandbox-edit.mu.html#L123'>should-attempt-edit?</a> click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ +<span id="L123" class="LineNr">123 </span><span class="muRecipe">def</span> should-attempt-edit? click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [ <span id="L124" class="LineNr">124 </span> <span class="Constant">local-scope</span> <span id="L125" class="LineNr">125 </span> <span class="Constant">load-inputs</span> <span id="L126" class="LineNr">126 </span> <span class="Comment"># are we below the sandbox editor?</span> -<span id="L127" class="LineNr">127 </span> click-sandbox-area?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L190'>click-on-sandbox-area?</a> click-row, click-column, env +<span id="L127" class="LineNr">127 </span> click-sandbox-area?:bool <span class="Special"><-</span> click-on-sandbox-area? click-row, click-column, env <span id="L128" class="LineNr">128 </span> <span class="muControl">return-unless</span> click-sandbox-area?, <span class="Constant">0/false</span> <span id="L129" class="LineNr">129 </span> <span class="Comment"># narrower, is the click in the columns spanning the 'edit' button?</span> <span id="L130" class="LineNr">130 </span> first-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> <span id="L131" class="LineNr">131 </span> assert first-sandbox, <span class="Constant">[!!]</span> <span id="L132" class="LineNr">132 </span> sandbox-left-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">left:offset</span> <span id="L133" class="LineNr">133 </span> sandbox-right-margin:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">right:offset</span> -<span id="L134" class="LineNr">134 </span> edit-button-left:num, edit-button-right:num, _ <span class="Special"><-</span> <a href='005-sandbox.mu.html#L378'>sandbox-menu-columns</a> sandbox-left-margin, sandbox-right-margin -<span id="L135" class="LineNr">135 </span> edit-button-vertical-area?:bool <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L211'>within-range?</a> click-column, edit-button-left, edit-button-right +<span id="L134" class="LineNr">134 </span> edit-button-left:num, edit-button-right:num, _ <span class="Special"><-</span> sandbox-menu-columns sandbox-left-margin, sandbox-right-margin +<span id="L135" class="LineNr">135 </span> edit-button-vertical-area?:bool <span class="Special"><-</span> within-range? click-column, edit-button-left, edit-button-right <span id="L136" class="LineNr">136 </span> <span class="muControl">return-unless</span> edit-button-vertical-area?, <span class="Constant">0/false</span> <span id="L137" class="LineNr">137 </span> <span class="Comment"># finally, is sandbox editor empty?</span> <span id="L138" class="LineNr">138 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> -<span id="L139" class="LineNr">139 </span> result <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L203'>empty-editor?</a> current-sandbox +<span id="L139" class="LineNr">139 </span> result <span class="Special"><-</span> empty-editor? current-sandbox <span id="L140" class="LineNr">140 </span>] <span id="L141" class="LineNr">141 </span> -<span id="L142" class="LineNr">142 </span><span class="muRecipe">def</span> <a href='008-sandbox-edit.mu.html#L142'>try-edit-sandbox</a> click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-edit-button?:bool, env:&:environment [ +<span id="L142" class="LineNr">142 </span><span class="muRecipe">def</span> try-edit-sandbox click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-edit-button?:bool, env:&:environment [ <span id="L143" class="LineNr">143 </span> <span class="Constant">local-scope</span> <span id="L144" class="LineNr">144 </span> <span class="Constant">load-inputs</span> <span id="L145" class="LineNr">145 </span> <span class="Comment"># identify the sandbox to edit, if the click was actually on the 'edit' button</span> -<span id="L146" class="LineNr">146 </span> sandbox:&:sandbox <span class="Special"><-</span> <a href='006-sandbox-copy.mu.html#L175'>find-sandbox</a> env, click-row +<span id="L146" class="LineNr">146 </span> sandbox:&:sandbox <span class="Special"><-</span> find-sandbox env, click-row <span id="L147" class="LineNr">147 </span> <span class="muControl">return-unless</span> sandbox, <span class="Constant">0/false</span> <span id="L148" class="LineNr">148 </span> clicked-on-edit-button? <span class="Special"><-</span> copy <span class="Constant">1/true</span> <span id="L149" class="LineNr">149 </span> <span class="Comment"># 'edit' button = 'copy' button + 'delete' button</span> <span id="L150" class="LineNr">150 </span> text:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> <span id="L151" class="LineNr">151 </span> current-sandbox:&:editor <span class="Special"><-</span> get *env, <span class="Constant">current-sandbox:offset</span> -<span id="L152" class="LineNr">152 </span> current-sandbox <span class="Special"><-</span> <a href='001-editor.mu.html#L72'>insert-text</a> current-sandbox, text -<span id="L153" class="LineNr">153 </span> env <span class="Special"><-</span> <a href='007-sandbox-delete.mu.html#L108'>delete-sandbox</a> env, sandbox +<span id="L152" class="LineNr">152 </span> current-sandbox <span class="Special"><-</span> insert-text current-sandbox, text +<span id="L153" class="LineNr">153 </span> env <span class="Special"><-</span> delete-sandbox env, sandbox <span id="L154" class="LineNr">154 </span> <span class="Comment"># reset scroll</span> <span id="L155" class="LineNr">155 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">render-from:offset</span>,<span class="Constant"> -1</span> <span id="L156" class="LineNr">156 </span> <span class="Comment"># position cursor in sandbox editor</span> @@ -227,41 +226,41 @@ if ('onhashchange' in window) { <span id="L165" class="LineNr">165 </span> assume-resources [ <span id="L166" class="LineNr">166 </span> ] <span id="L167" class="LineNr">167 </span> <span class="Comment"># right editor contains a print instruction</span> -<span id="L168" class="LineNr">168 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[print <a href='../081print.mu.html#L16'>screen</a>, 4]</span> -<span id="L169" class="LineNr">169 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L168" class="LineNr">168 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[print screen, 4]</span> +<span id="L169" class="LineNr">169 </span> render-all screen, env, render <span id="L170" class="LineNr">170 </span> <span class="Comment"># run the sandbox</span> <span id="L171" class="LineNr">171 </span> assume-console [ -<span id="L172" class="LineNr">172 </span> <span class="Conceal">¦</span> press F4 +<span id="L172" class="LineNr">172 </span> press F4 <span id="L173" class="LineNr">173 </span> ] -<span id="L174" class="LineNr">174 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L174" class="LineNr">174 </span> event-loop screen, console, env, resources <span id="L175" class="LineNr">175 </span> screen-should-contain [ -<span id="L176" class="LineNr">176 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L177" class="LineNr">177 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L178" class="LineNr">178 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L179" class="LineNr">179 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L180" class="LineNr">180 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎print <a href='../081print.mu.html#L16'>screen</a>, 4 .</span> -<span id="L181" class="LineNr">181 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎screen: .</span> -<span id="L182" class="LineNr">182 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .4 . .</span> -<span id="L183" class="LineNr">183 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L184" class="LineNr">184 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L185" class="LineNr">185 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L186" class="LineNr">186 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ . . .</span> -<span id="L187" class="LineNr">187 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L188" class="LineNr">188 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L176" class="LineNr">176 </span> <span class="Constant"> . run (F4) .</span> +<span id="L177" class="LineNr">177 </span> <span class="Constant"> . ╎ .</span> +<span id="L178" class="LineNr">178 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L179" class="LineNr">179 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L180" class="LineNr">180 </span> <span class="Constant"> . ╎print screen, 4 .</span> +<span id="L181" class="LineNr">181 </span> <span class="Constant"> . ╎screen: .</span> +<span id="L182" class="LineNr">182 </span> <span class="Constant"> . ╎ .4 . .</span> +<span id="L183" class="LineNr">183 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L184" class="LineNr">184 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L185" class="LineNr">185 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L186" class="LineNr">186 </span> <span class="Constant"> . ╎ . . .</span> +<span id="L187" class="LineNr">187 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L188" class="LineNr">188 </span> <span class="Constant"> . ╎ .</span> <span id="L189" class="LineNr">189 </span> ] <span id="L190" class="LineNr">190 </span> <span class="Comment"># edit the sandbox</span> <span id="L191" class="LineNr">191 </span> assume-console [ -<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 65</span> +<span id="L192" class="LineNr">192 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 65</span> <span id="L193" class="LineNr">193 </span> ] <span id="L194" class="LineNr">194 </span> run [ -<span id="L195" class="LineNr">195 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L195" class="LineNr">195 </span> event-loop screen, console, env, resources <span id="L196" class="LineNr">196 </span> ] <span id="L197" class="LineNr">197 </span> screen-should-contain [ -<span id="L198" class="LineNr">198 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L199" class="LineNr">199 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎print <a href='../081print.mu.html#L16'>screen</a>, 4 .</span> -<span id="L200" class="LineNr">200 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L201" class="LineNr">201 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L202" class="LineNr">202 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L198" class="LineNr">198 </span> <span class="Constant"> . run (F4) .</span> +<span id="L199" class="LineNr">199 </span> <span class="Constant"> . ╎print screen, 4 .</span> +<span id="L200" class="LineNr">200 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L201" class="LineNr">201 </span> <span class="Constant"> . ╎ .</span> +<span id="L202" class="LineNr">202 </span> <span class="Constant"> . ╎ .</span> <span id="L203" class="LineNr">203 </span> ] <span id="L204" class="LineNr">204 </span>] <span id="L205" class="LineNr">205 </span> @@ -272,45 +271,45 @@ if ('onhashchange' in window) { <span id="L210" class="LineNr">210 </span> <span class="Comment"># initialize environment</span> <span id="L211" class="LineNr">211 </span> assume-resources [ <span id="L212" class="LineNr">212 </span> ] -<span id="L213" class="LineNr">213 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L214" class="LineNr">214 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L213" class="LineNr">213 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L214" class="LineNr">214 </span> render-all screen, env, render <span id="L215" class="LineNr">215 </span> <span class="Comment"># create 2 sandboxes and scroll to second</span> <span id="L216" class="LineNr">216 </span> assume-console [ -<span id="L217" class="LineNr">217 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L218" class="LineNr">218 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L219" class="LineNr">219 </span> <span class="Conceal">¦</span> press F4 -<span id="L220" class="LineNr">220 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L221" class="LineNr">221 </span> <span class="Conceal">¦</span> press F4 -<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L217" class="LineNr">217 </span> press ctrl-n +<span id="L218" class="LineNr">218 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L219" class="LineNr">219 </span> press F4 +<span id="L220" class="LineNr">220 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L221" class="LineNr">221 </span> press F4 +<span id="L222" class="LineNr">222 </span> press page-down +<span id="L223" class="LineNr">223 </span> press page-down <span id="L224" class="LineNr">224 </span> ] -<span id="L225" class="LineNr">225 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L225" class="LineNr">225 </span> event-loop screen, console, env, resources <span id="L226" class="LineNr">226 </span> screen-should-contain [ -<span id="L227" class="LineNr">227 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L228" class="LineNr">228 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L229" class="LineNr">229 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> -<span id="L230" class="LineNr">230 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L231" class="LineNr">231 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L232" class="LineNr">232 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L233" class="LineNr">233 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L227" class="LineNr">227 </span> <span class="Constant"> . run (F4) .</span> +<span id="L228" class="LineNr">228 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L229" class="LineNr">229 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> +<span id="L230" class="LineNr">230 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L231" class="LineNr">231 </span> <span class="Constant"> . ╎4 .</span> +<span id="L232" class="LineNr">232 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L233" class="LineNr">233 </span> <span class="Constant"> . ╎ .</span> <span id="L234" class="LineNr">234 </span> ] <span id="L235" class="LineNr">235 </span> <span class="Comment"># edit the second sandbox</span> <span id="L236" class="LineNr">236 </span> assume-console [ -<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 55</span> +<span id="L237" class="LineNr">237 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 55</span> <span id="L238" class="LineNr">238 </span> ] <span id="L239" class="LineNr">239 </span> run [ -<span id="L240" class="LineNr">240 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L240" class="LineNr">240 </span> event-loop screen, console, env, resources <span id="L241" class="LineNr">241 </span> ] <span id="L242" class="LineNr">242 </span> <span class="Comment"># second sandbox shows in editor; scroll resets to display first sandbox</span> <span id="L243" class="LineNr">243 </span> screen-should-contain [ -<span id="L244" class="LineNr">244 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L245" class="LineNr">245 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L246" class="LineNr">246 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L247" class="LineNr">247 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L248" class="LineNr">248 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L249" class="LineNr">249 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L250" class="LineNr">250 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L251" class="LineNr">251 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L244" class="LineNr">244 </span> <span class="Constant"> . run (F4) .</span> +<span id="L245" class="LineNr">245 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L246" class="LineNr">246 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L247" class="LineNr">247 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L248" class="LineNr">248 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L249" class="LineNr">249 </span> <span class="Constant"> . ╎2 .</span> +<span id="L250" class="LineNr">250 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L251" class="LineNr">251 </span> <span class="Constant"> . ╎ .</span> <span id="L252" class="LineNr">252 </span> ] <span id="L253" class="LineNr">253 </span>] <span id="L254" class="LineNr">254 </span> @@ -321,68 +320,68 @@ if ('onhashchange' in window) { <span id="L259" class="LineNr">259 </span> <span class="Comment"># initialize environment</span> <span id="L260" class="LineNr">260 </span> assume-resources [ <span id="L261" class="LineNr">261 </span> ] -<span id="L262" class="LineNr">262 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L263" class="LineNr">263 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L262" class="LineNr">262 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L263" class="LineNr">263 </span> render-all screen, env, render <span id="L264" class="LineNr">264 </span> <span class="Comment"># create 2 sandboxes</span> <span id="L265" class="LineNr">265 </span> assume-console [ -<span id="L266" class="LineNr">266 </span> <span class="Conceal">¦</span> press ctrl-n -<span id="L267" class="LineNr">267 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L268" class="LineNr">268 </span> <span class="Conceal">¦</span> press F4 -<span id="L269" class="LineNr">269 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span> -<span id="L270" class="LineNr">270 </span> <span class="Conceal">¦</span> press F4 +<span id="L266" class="LineNr">266 </span> press ctrl-n +<span id="L267" class="LineNr">267 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L268" class="LineNr">268 </span> press F4 +<span id="L269" class="LineNr">269 </span> type <span class="Constant">[add 1, 1]</span> +<span id="L270" class="LineNr">270 </span> press F4 <span id="L271" class="LineNr">271 </span> ] -<span id="L272" class="LineNr">272 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L272" class="LineNr">272 </span> event-loop screen, console, env, resources <span id="L273" class="LineNr">273 </span> screen-should-contain [ -<span id="L274" class="LineNr">274 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L275" class="LineNr">275 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L276" class="LineNr">276 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L277" class="LineNr">277 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L278" class="LineNr">278 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L279" class="LineNr">279 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L280" class="LineNr">280 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L281" class="LineNr">281 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L282" class="LineNr">282 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L283" class="LineNr">283 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L274" class="LineNr">274 </span> <span class="Constant"> . run (F4) .</span> +<span id="L275" class="LineNr">275 </span> <span class="Constant"> . ╎ .</span> +<span id="L276" class="LineNr">276 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L277" class="LineNr">277 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L278" class="LineNr">278 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L279" class="LineNr">279 </span> <span class="Constant"> . ╎2 .</span> +<span id="L280" class="LineNr">280 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L281" class="LineNr">281 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L282" class="LineNr">282 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L283" class="LineNr">283 </span> <span class="Constant"> . ╎4 .</span> <span id="L284" class="LineNr">284 </span> ] <span id="L285" class="LineNr">285 </span> <span class="Comment"># edit the second sandbox, then resave</span> <span id="L286" class="LineNr">286 </span> assume-console [ -<span id="L287" class="LineNr">287 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 60</span> -<span id="L288" class="LineNr">288 </span> <span class="Conceal">¦</span> press F4 +<span id="L287" class="LineNr">287 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 60</span> +<span id="L288" class="LineNr">288 </span> press F4 <span id="L289" class="LineNr">289 </span> ] <span id="L290" class="LineNr">290 </span> run [ -<span id="L291" class="LineNr">291 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L291" class="LineNr">291 </span> event-loop screen, console, env, resources <span id="L292" class="LineNr">292 </span> ] <span id="L293" class="LineNr">293 </span> <span class="Comment"># no change in contents</span> <span id="L294" class="LineNr">294 </span> screen-should-contain [ -<span id="L295" class="LineNr">295 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L296" class="LineNr">296 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L297" class="LineNr">297 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L298" class="LineNr">298 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L299" class="LineNr">299 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 1, 1 .</span> -<span id="L300" class="LineNr">300 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎2 .</span> -<span id="L301" class="LineNr">301 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L302" class="LineNr">302 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎1 edit copy to recipe delete .</span> -<span id="L303" class="LineNr">303 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L304" class="LineNr">304 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> +<span id="L295" class="LineNr">295 </span> <span class="Constant"> . run (F4) .</span> +<span id="L296" class="LineNr">296 </span> <span class="Constant"> . ╎ .</span> +<span id="L297" class="LineNr">297 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L298" class="LineNr">298 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L299" class="LineNr">299 </span> <span class="Constant"> . ╎add 1, 1 .</span> +<span id="L300" class="LineNr">300 </span> <span class="Constant"> . ╎2 .</span> +<span id="L301" class="LineNr">301 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L302" class="LineNr">302 </span> <span class="Constant"> . ╎1 edit copy to recipe delete .</span> +<span id="L303" class="LineNr">303 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L304" class="LineNr">304 </span> <span class="Constant"> . ╎4 .</span> <span id="L305" class="LineNr">305 </span> ] <span id="L306" class="LineNr">306 </span> <span class="Comment"># now try to scroll past end</span> <span id="L307" class="LineNr">307 </span> assume-console [ -<span id="L308" class="LineNr">308 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L309" class="LineNr">309 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L310" class="LineNr">310 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L308" class="LineNr">308 </span> press page-down +<span id="L309" class="LineNr">309 </span> press page-down +<span id="L310" class="LineNr">310 </span> press page-down <span id="L311" class="LineNr">311 </span> ] <span id="L312" class="LineNr">312 </span> run [ -<span id="L313" class="LineNr">313 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L313" class="LineNr">313 </span> event-loop screen, console, env, resources <span id="L314" class="LineNr">314 </span> ] <span id="L315" class="LineNr">315 </span> <span class="Comment"># screen should show just final sandbox with the right index (1)</span> <span id="L316" class="LineNr">316 </span> screen-should-contain [ -<span id="L317" class="LineNr">317 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L318" class="LineNr">318 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L319" class="LineNr">319 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> -<span id="L320" class="LineNr">320 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L321" class="LineNr">321 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L322" class="LineNr">322 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L323" class="LineNr">323 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L317" class="LineNr">317 </span> <span class="Constant"> . run (F4) .</span> +<span id="L318" class="LineNr">318 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L319" class="LineNr">319 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1 edit copy to recipe delete .</span> +<span id="L320" class="LineNr">320 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L321" class="LineNr">321 </span> <span class="Constant"> . ╎4 .</span> +<span id="L322" class="LineNr">322 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L323" class="LineNr">323 </span> <span class="Constant"> . ╎ .</span> <span id="L324" class="LineNr">324 </span> ] <span id="L325" class="LineNr">325 </span>] </pre> diff --git a/html/edit/009-sandbox-test.mu.html b/html/edit/009-sandbox-test.mu.html index e092c8f0..5d8c0d2e 100644 --- a/html/edit/009-sandbox-test.mu.html +++ b/html/edit/009-sandbox-test.mu.html @@ -15,18 +15,17 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } .LineNr { color: #444444; } .Delimiter { color: #800080; } -.muData { color: #ffff00; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -69,86 +68,86 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">20/height</span> <span id="L7" class="LineNr"> 7 </span> <span class="Comment"># basic recipe</span> <span id="L8" class="LineNr"> 8 </span> assume-resources [ -<span id="L9" class="LineNr"> 9 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L10" class="LineNr"> 10 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L11" class="LineNr"> 11 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | reply 4|</span> -<span id="L12" class="LineNr"> 12 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L13" class="LineNr"> 13 </span> <span class="Conceal">¦</span> ] +<span id="L9" class="LineNr"> 9 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L10" class="LineNr"> 10 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L11" class="LineNr"> 11 </span><span class="Constant"> | reply 4|</span> +<span id="L12" class="LineNr"> 12 </span><span class="Constant"> |]</span>| +<span id="L13" class="LineNr"> 13 </span> ] <span id="L14" class="LineNr"> 14 </span> ] -<span id="L15" class="LineNr"> 15 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L16" class="LineNr"> 16 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L15" class="LineNr"> 15 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L16" class="LineNr"> 16 </span> render-all screen, env, render <span id="L17" class="LineNr"> 17 </span> <span class="Comment"># run it</span> <span id="L18" class="LineNr"> 18 </span> assume-console [ -<span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span> press F4 +<span id="L19" class="LineNr"> 19 </span> press F4 <span id="L20" class="LineNr"> 20 </span> ] -<span id="L21" class="LineNr"> 21 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L21" class="LineNr"> 21 </span> event-loop screen, console, env, resources <span id="L22" class="LineNr"> 22 </span> screen-should-contain [ -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span><span class="Constant"> . reply 4 ╎─────────────────────────────────────────────────.</span> -<span id="L26" class="LineNr"> 26 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span> -<span id="L27" class="LineNr"> 27 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span> -<span id="L28" class="LineNr"> 28 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎4 .</span> -<span id="L29" class="LineNr"> 29 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L30" class="LineNr"> 30 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Constant"> . run (F4) .</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Constant"> . reply 4 ╎─────────────────────────────────────────────────.</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Constant"> .] ╎0 edit copy to recipe delete .</span> +<span id="L27" class="LineNr"> 27 </span> <span class="Constant"> . ╎foo .</span> +<span id="L28" class="LineNr"> 28 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎4 .</span> +<span id="L29" class="LineNr"> 29 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L30" class="LineNr"> 30 </span> <span class="Constant"> . ╎ .</span> <span id="L31" class="LineNr"> 31 </span> ] <span id="L32" class="LineNr"> 32 </span> <span class="Comment"># click on the '4' in the result</span> <span id="L33" class="LineNr"> 33 </span> $clear-trace <span id="L34" class="LineNr"> 34 </span> assume-console [ -<span id="L35" class="LineNr"> 35 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 51</span> +<span id="L35" class="LineNr"> 35 </span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 51</span> <span id="L36" class="LineNr"> 36 </span> ] <span id="L37" class="LineNr"> 37 </span> run [ -<span id="L38" class="LineNr"> 38 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L38" class="LineNr"> 38 </span> event-loop screen, console, env, resources <span id="L39" class="LineNr"> 39 </span> ] <span id="L40" class="LineNr"> 40 </span> <span class="Comment"># color toggles to green</span> <span id="L41" class="LineNr"> 41 </span> screen-should-contain-in-color <span class="Constant">2/green</span>, [ -<span id="L42" class="LineNr"> 42 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L45" class="LineNr"> 45 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L46" class="LineNr"> 46 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L47" class="LineNr"> 47 </span> <span class="Conceal">¦</span><span class="Constant"> . 4 .</span> -<span id="L48" class="LineNr"> 48 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L49" class="LineNr"> 49 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L42" class="LineNr"> 42 </span> <span class="Constant"> . .</span> +<span id="L43" class="LineNr"> 43 </span> <span class="Constant"> . .</span> +<span id="L44" class="LineNr"> 44 </span> <span class="Constant"> . .</span> +<span id="L45" class="LineNr"> 45 </span> <span class="Constant"> . .</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Constant"> . .</span> +<span id="L47" class="LineNr"> 47 </span> <span class="Constant"> . 4 .</span> +<span id="L48" class="LineNr"> 48 </span> <span class="Constant"> . .</span> +<span id="L49" class="LineNr"> 49 </span> <span class="Constant"> . .</span> <span id="L50" class="LineNr"> 50 </span> ] <span id="L51" class="LineNr"> 51 </span> <span class="Comment"># don't render entire sandbox side</span> <span id="L52" class="LineNr"> 52 </span> check-trace-count-for-label-lesser-than<span class="Constant"> 250</span>, <span class="Constant">[print-character]</span> <span class="Comment"># say 5 sandbox lines</span> <span id="L53" class="LineNr"> 53 </span> <span class="Comment"># cursor should remain unmoved</span> <span id="L54" class="LineNr"> 54 </span> run [ -<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L56" class="LineNr"> 56 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L55" class="LineNr"> 55 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L56" class="LineNr"> 56 </span> print screen, cursor <span id="L57" class="LineNr"> 57 </span> ] <span id="L58" class="LineNr"> 58 </span> screen-should-contain [ -<span id="L59" class="LineNr"> 59 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L60" class="LineNr"> 60 </span> <span class="Conceal">¦</span><span class="Constant"> .␣ecipe foo [ ╎ .</span> -<span id="L61" class="LineNr"> 61 </span> <span class="Conceal">¦</span><span class="Constant"> . reply 4 ╎─────────────────────────────────────────────────.</span> -<span id="L62" class="LineNr"> 62 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span> -<span id="L63" class="LineNr"> 63 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span> -<span id="L64" class="LineNr"> 64 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎4 .</span> -<span id="L65" class="LineNr"> 65 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L66" class="LineNr"> 66 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L59" class="LineNr"> 59 </span> <span class="Constant"> . run (F4) .</span> +<span id="L60" class="LineNr"> 60 </span> <span class="Constant"> .␣ecipe foo [ ╎ .</span> +<span id="L61" class="LineNr"> 61 </span> <span class="Constant"> . reply 4 ╎─────────────────────────────────────────────────.</span> +<span id="L62" class="LineNr"> 62 </span> <span class="Constant"> .] ╎0 edit copy to recipe delete .</span> +<span id="L63" class="LineNr"> 63 </span> <span class="Constant"> . ╎foo .</span> +<span id="L64" class="LineNr"> 64 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎4 .</span> +<span id="L65" class="LineNr"> 65 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L66" class="LineNr"> 66 </span> <span class="Constant"> . ╎ .</span> <span id="L67" class="LineNr"> 67 </span> ] <span id="L68" class="LineNr"> 68 </span> <span class="Comment"># now change the result</span> <span id="L69" class="LineNr"> 69 </span> <span class="Comment"># then rerun</span> <span id="L70" class="LineNr"> 70 </span> assume-console [ -<span id="L71" class="LineNr"> 71 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 11</span> <span class="Comment"># cursor to end of line</span> -<span id="L72" class="LineNr"> 72 </span> <span class="Conceal">¦</span> press backspace -<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span> type <span class="Constant">[3]</span> -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span> press F4 +<span id="L71" class="LineNr"> 71 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 11</span> <span class="Comment"># cursor to end of line</span> +<span id="L72" class="LineNr"> 72 </span> press backspace +<span id="L73" class="LineNr"> 73 </span> type <span class="Constant">[3]</span> +<span id="L74" class="LineNr"> 74 </span> press F4 <span id="L75" class="LineNr"> 75 </span> ] <span id="L76" class="LineNr"> 76 </span> run [ -<span id="L77" class="LineNr"> 77 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L77" class="LineNr"> 77 </span> event-loop screen, console, env, resources <span id="L78" class="LineNr"> 78 </span> ] <span id="L79" class="LineNr"> 79 </span> <span class="Comment"># result turns red</span> <span id="L80" class="LineNr"> 80 </span> screen-should-contain-in-color <span class="Constant">1/red</span>, [ -<span id="L81" class="LineNr"> 81 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span><span class="Constant"> . 3 .</span> -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L81" class="LineNr"> 81 </span> <span class="Constant"> . .</span> +<span id="L82" class="LineNr"> 82 </span> <span class="Constant"> . .</span> +<span id="L83" class="LineNr"> 83 </span> <span class="Constant"> . .</span> +<span id="L84" class="LineNr"> 84 </span> <span class="Constant"> . .</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Constant"> . .</span> +<span id="L86" class="LineNr"> 86 </span> <span class="Constant"> . 3 .</span> +<span id="L87" class="LineNr"> 87 </span> <span class="Constant"> . .</span> +<span id="L88" class="LineNr"> 88 </span> <span class="Constant"> . .</span> <span id="L89" class="LineNr"> 89 </span> ] <span id="L90" class="LineNr"> 90 </span>] <span id="L91" class="LineNr"> 91 </span> @@ -159,60 +158,60 @@ if ('onhashchange' in window) { <span id="L96" class="LineNr"> 96 </span>] <span id="L97" class="LineNr"> 97 </span> <span id="L98" class="LineNr"> 98 </span><span class="Comment"># include expected response when saving or restoring a sandbox</span> -<span id="L99" class="LineNr"> 99 </span><span class="muRecipe">before</span> <span class="Constant"><a href='005-sandbox.mu.html#L248'><end-save-sandbox></a></span> [ +<span id="L99" class="LineNr"> 99 </span><span class="muRecipe">before</span> <span class="Constant"><end-save-sandbox></span> [ <span id="L100" class="LineNr">100 </span> <span class="Delimiter">{</span> -<span id="L101" class="LineNr">101 </span> <span class="Conceal">¦</span> expected-response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">expected-response:offset</span> -<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> expected-response -<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span> filename <span class="Special"><-</span> append filename, <span class="Constant">[.out]</span> -<span id="L104" class="LineNr">104 </span> <span class="Conceal">¦</span> <a href='../088file.mu.html#L11'>resources</a> <span class="Special"><-</span> <a href='../088file.mu.html#L127'>dump</a> <a href='../088file.mu.html#L11'>resources</a>, filename, expected-response +<span id="L101" class="LineNr">101 </span> expected-response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">expected-response:offset</span> +<span id="L102" class="LineNr">102 </span> <span class="muControl">break-unless</span> expected-response +<span id="L103" class="LineNr">103 </span> filename <span class="Special"><-</span> append filename, <span class="Constant">[.out]</span> +<span id="L104" class="LineNr">104 </span> resources <span class="Special"><-</span> dump resources, filename, expected-response <span id="L105" class="LineNr">105 </span> <span class="Delimiter">}</span> <span id="L106" class="LineNr">106 </span>] <span id="L107" class="LineNr">107 </span> -<span id="L108" class="LineNr">108 </span><span class="muRecipe">before</span> <span class="Constant"><a href='005-sandbox.mu.html#L490'><end-restore-sandbox></a></span> [ +<span id="L108" class="LineNr">108 </span><span class="muRecipe">before</span> <span class="Constant"><end-restore-sandbox></span> [ <span id="L109" class="LineNr">109 </span> <span class="Delimiter">{</span> -<span id="L110" class="LineNr">110 </span> <span class="Conceal">¦</span> filename <span class="Special"><-</span> append filename, <span class="Constant">[.out]</span> -<span id="L111" class="LineNr">111 </span> <span class="Conceal">¦</span> contents <span class="Special"><-</span> <a href='../088file.mu.html#L38'>slurp</a> <a href='../088file.mu.html#L11'>resources</a>, filename -<span id="L112" class="LineNr">112 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> contents -<span id="L113" class="LineNr">113 </span> <span class="Conceal">¦</span> *curr <span class="Special"><-</span> put *curr, <span class="Constant">expected-response:offset</span>, contents +<span id="L110" class="LineNr">110 </span> filename <span class="Special"><-</span> append filename, <span class="Constant">[.out]</span> +<span id="L111" class="LineNr">111 </span> contents <span class="Special"><-</span> slurp resources, filename +<span id="L112" class="LineNr">112 </span> <span class="muControl">break-unless</span> contents +<span id="L113" class="LineNr">113 </span> *curr <span class="Special"><-</span> put *curr, <span class="Constant">expected-response:offset</span>, contents <span id="L114" class="LineNr">114 </span> <span class="Delimiter">}</span> <span id="L115" class="LineNr">115 </span>] <span id="L116" class="LineNr">116 </span> <span id="L117" class="LineNr">117 </span><span class="Comment"># clicks on sandbox responses save it as 'expected'</span> -<span id="L118" class="LineNr">118 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'><global-touch></a></span> [ +<span id="L118" class="LineNr">118 </span><span class="muRecipe">after</span> <span class="Constant"><global-touch></span> [ <span id="L119" class="LineNr">119 </span> <span class="Comment"># check if it's inside the output of any sandbox</span> <span id="L120" class="LineNr">120 </span> <span class="Delimiter">{</span> -<span id="L121" class="LineNr">121 </span> <span class="Conceal">¦</span> sandbox-left-margin:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> -<span id="L122" class="LineNr">122 </span> <span class="Conceal">¦</span> click-column:num <span class="Special"><-</span> get t, <span class="Constant">column:offset</span> -<span id="L123" class="LineNr">123 </span> <span class="Conceal">¦</span> on-sandbox-side?:bool <span class="Special"><-</span> greater-or-equal click-column, sandbox-left-margin -<span id="L124" class="LineNr">124 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> on-sandbox-side? -<span id="L125" class="LineNr">125 </span> <span class="Conceal">¦</span> first-sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> -<span id="L126" class="LineNr">126 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> first-sandbox -<span id="L127" class="LineNr">127 </span> <span class="Conceal">¦</span> first-sandbox-begins:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">starting-row-on-screen:offset</span> -<span id="L128" class="LineNr">128 </span> <span class="Conceal">¦</span> click-row:num <span class="Special"><-</span> get t, <span class="Constant">row:offset</span> -<span id="L129" class="LineNr">129 </span> <span class="Conceal">¦</span> below-sandbox-editor?:bool <span class="Special"><-</span> greater-or-equal click-row, first-sandbox-begins -<span id="L130" class="LineNr">130 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> below-sandbox-editor? -<span id="L131" class="LineNr">131 </span> <span class="Conceal">¦</span> <span class="Comment"># identify the sandbox whose output is being clicked on</span> -<span id="L132" class="LineNr">132 </span> <span class="Conceal">¦</span> sandbox:&:sandbox, sandbox-index:num <span class="Special"><-</span> <a href='009-sandbox-test.mu.html#L152'>find-click-in-sandbox-output</a> env, click-row -<span id="L133" class="LineNr">133 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox -<span id="L134" class="LineNr">134 </span> <span class="Conceal">¦</span> <span class="Comment"># update it</span> -<span id="L135" class="LineNr">135 </span> <span class="Conceal">¦</span> sandbox <span class="Special"><-</span> <a href='009-sandbox-test.mu.html#L180'>toggle-expected-response</a> sandbox -<span id="L136" class="LineNr">136 </span> <span class="Conceal">¦</span> <span class="Comment"># minimal update to disk</span> -<span id="L137" class="LineNr">137 </span> <span class="Conceal">¦</span> <a href='005-sandbox.mu.html#L242'>save-sandbox</a> <a href='../088file.mu.html#L11'>resources</a>, sandbox, sandbox-index -<span id="L138" class="LineNr">138 </span> <span class="Conceal">¦</span> <span class="Comment"># minimal update to screen</span> -<span id="L139" class="LineNr">139 </span> <span class="Conceal">¦</span> sandbox-right-margin:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">right:offset</span> -<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> row:num <span class="Special"><-</span> <a href='009-sandbox-test.mu.html#L207'>render-sandbox-response</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox, sandbox-left-margin, sandbox-right-margin -<span id="L141" class="LineNr">141 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L142" class="LineNr">142 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> height:num <span class="Special"><-</span> <a href='../081print.mu.html#L782'>screen-height</a> <a href='../081print.mu.html#L16'>screen</a> -<span id="L143" class="LineNr">143 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> at-bottom?:bool <span class="Special"><-</span> greater-or-equal row, height -<span id="L144" class="LineNr">144 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> at-bottom? -<span id="L145" class="LineNr">145 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>, row, sandbox-left-margin, sandbox-right-margin -<span id="L146" class="LineNr">146 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L147" class="LineNr">147 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L121" class="LineNr">121 </span> sandbox-left-margin:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> +<span id="L122" class="LineNr">122 </span> click-column:num <span class="Special"><-</span> get t, <span class="Constant">column:offset</span> +<span id="L123" class="LineNr">123 </span> on-sandbox-side?:bool <span class="Special"><-</span> greater-or-equal click-column, sandbox-left-margin +<span id="L124" class="LineNr">124 </span> <span class="muControl">break-unless</span> on-sandbox-side? +<span id="L125" class="LineNr">125 </span> first-sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> +<span id="L126" class="LineNr">126 </span> <span class="muControl">break-unless</span> first-sandbox +<span id="L127" class="LineNr">127 </span> first-sandbox-begins:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">starting-row-on-screen:offset</span> +<span id="L128" class="LineNr">128 </span> click-row:num <span class="Special"><-</span> get t, <span class="Constant">row:offset</span> +<span id="L129" class="LineNr">129 </span> below-sandbox-editor?:bool <span class="Special"><-</span> greater-or-equal click-row, first-sandbox-begins +<span id="L130" class="LineNr">130 </span> <span class="muControl">break-unless</span> below-sandbox-editor? +<span id="L131" class="LineNr">131 </span> <span class="Comment"># identify the sandbox whose output is being clicked on</span> +<span id="L132" class="LineNr">132 </span> sandbox:&:sandbox, sandbox-index:num <span class="Special"><-</span> find-click-in-sandbox-output env, click-row +<span id="L133" class="LineNr">133 </span> <span class="muControl">break-unless</span> sandbox +<span id="L134" class="LineNr">134 </span> <span class="Comment"># update it</span> +<span id="L135" class="LineNr">135 </span> sandbox <span class="Special"><-</span> toggle-expected-response sandbox +<span id="L136" class="LineNr">136 </span> <span class="Comment"># minimal update to disk</span> +<span id="L137" class="LineNr">137 </span> save-sandbox resources, sandbox, sandbox-index +<span id="L138" class="LineNr">138 </span> <span class="Comment"># minimal update to screen</span> +<span id="L139" class="LineNr">139 </span> sandbox-right-margin:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">right:offset</span> +<span id="L140" class="LineNr">140 </span> row:num <span class="Special"><-</span> render-sandbox-response screen, sandbox, sandbox-left-margin, sandbox-right-margin +<span id="L141" class="LineNr">141 </span> <span class="Delimiter">{</span> +<span id="L142" class="LineNr">142 </span> height:num <span class="Special"><-</span> screen-height screen +<span id="L143" class="LineNr">143 </span> at-bottom?:bool <span class="Special"><-</span> greater-or-equal row, height +<span id="L144" class="LineNr">144 </span> <span class="muControl">break-if</span> at-bottom? +<span id="L145" class="LineNr">145 </span> draw-horizontal screen, row, sandbox-left-margin, sandbox-right-margin +<span id="L146" class="LineNr">146 </span> <span class="Delimiter">}</span> +<span id="L147" class="LineNr">147 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L148" class="LineNr">148 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L149" class="LineNr">149 </span> <span class="Delimiter">}</span> <span id="L150" class="LineNr">150 </span>] <span id="L151" class="LineNr">151 </span> -<span id="L152" class="LineNr">152 </span><span class="muRecipe">def</span> <a href='009-sandbox-test.mu.html#L152'>find-click-in-sandbox-output</a> env:&:environment, click-row:num<span class="muRecipe"> -> </span>sandbox:&:sandbox, sandbox-index:num [ +<span id="L152" class="LineNr">152 </span><span class="muRecipe">def</span> find-click-in-sandbox-output env:&:environment, click-row:num<span class="muRecipe"> -> </span>sandbox:&:sandbox, sandbox-index:num [ <span id="L153" class="LineNr">153 </span> <span class="Constant">local-scope</span> <span id="L154" class="LineNr">154 </span> <span class="Constant">load-inputs</span> <span id="L155" class="LineNr">155 </span> <span class="Comment"># assert click-row >= sandbox.starting-row-on-screen</span> @@ -223,14 +222,14 @@ if ('onhashchange' in window) { <span id="L160" class="LineNr">160 </span> <span class="Comment"># while click-row < sandbox.next-sandbox.starting-row-on-screen</span> <span id="L161" class="LineNr">161 </span> sandbox-index <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L162" class="LineNr">162 </span> <span class="Delimiter">{</span> -<span id="L163" class="LineNr">163 </span> <span class="Conceal">¦</span> next-sandbox:&:sandbox <span class="Special"><-</span> get *sandbox, <span class="Constant">next-sandbox:offset</span> -<span id="L164" class="LineNr">164 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> next-sandbox -<span id="L165" class="LineNr">165 </span> <span class="Conceal">¦</span> next-start:num <span class="Special"><-</span> get *next-sandbox, <span class="Constant">starting-row-on-screen:offset</span> -<span id="L166" class="LineNr">166 </span> <span class="Conceal">¦</span> found?:bool <span class="Special"><-</span> lesser-than click-row, next-start -<span id="L167" class="LineNr">167 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> found? -<span id="L168" class="LineNr">168 </span> <span class="Conceal">¦</span> sandbox <span class="Special"><-</span> copy next-sandbox -<span id="L169" class="LineNr">169 </span> <span class="Conceal">¦</span> sandbox-index <span class="Special"><-</span> add sandbox-index,<span class="Constant"> 1</span> -<span id="L170" class="LineNr">170 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L163" class="LineNr">163 </span> next-sandbox:&:sandbox <span class="Special"><-</span> get *sandbox, <span class="Constant">next-sandbox:offset</span> +<span id="L164" class="LineNr">164 </span> <span class="muControl">break-unless</span> next-sandbox +<span id="L165" class="LineNr">165 </span> next-start:num <span class="Special"><-</span> get *next-sandbox, <span class="Constant">starting-row-on-screen:offset</span> +<span id="L166" class="LineNr">166 </span> found?:bool <span class="Special"><-</span> lesser-than click-row, next-start +<span id="L167" class="LineNr">167 </span> <span class="muControl">break-if</span> found? +<span id="L168" class="LineNr">168 </span> sandbox <span class="Special"><-</span> copy next-sandbox +<span id="L169" class="LineNr">169 </span> sandbox-index <span class="Special"><-</span> add sandbox-index,<span class="Constant"> 1</span> +<span id="L170" class="LineNr">170 </span> <span class="muControl"> loop</span> <span id="L171" class="LineNr">171 </span> <span class="Delimiter">}</span> <span id="L172" class="LineNr">172 </span> <span class="Comment"># return sandbox if click is in its output region</span> <span id="L173" class="LineNr">173 </span> response-starting-row:num <span class="Special"><-</span> get *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span> @@ -240,56 +239,56 @@ if ('onhashchange' in window) { <span id="L177" class="LineNr">177 </span> <span class="muControl"> return</span> sandbox, sandbox-index <span id="L178" class="LineNr">178 </span>] <span id="L179" class="LineNr">179 </span> -<span id="L180" class="LineNr">180 </span><span class="muRecipe">def</span> <a href='009-sandbox-test.mu.html#L180'>toggle-expected-response</a> sandbox:&:sandbox<span class="muRecipe"> -> </span>sandbox:&:sandbox [ +<span id="L180" class="LineNr">180 </span><span class="muRecipe">def</span> toggle-expected-response sandbox:&:sandbox<span class="muRecipe"> -> </span>sandbox:&:sandbox [ <span id="L181" class="LineNr">181 </span> <span class="Constant">local-scope</span> <span id="L182" class="LineNr">182 </span> <span class="Constant">load-inputs</span> <span id="L183" class="LineNr">183 </span> expected-response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">expected-response:offset</span> <span id="L184" class="LineNr">184 </span> <span class="Delimiter">{</span> -<span id="L185" class="LineNr">185 </span> <span class="Conceal">¦</span> <span class="Comment"># if expected-response is set, reset</span> -<span id="L186" class="LineNr">186 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> expected-response -<span id="L187" class="LineNr">187 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">expected-response:offset</span>,<span class="Constant"> 0</span> +<span id="L185" class="LineNr">185 </span> <span class="Comment"># if expected-response is set, reset</span> +<span id="L186" class="LineNr">186 </span> <span class="muControl">break-unless</span> expected-response +<span id="L187" class="LineNr">187 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">expected-response:offset</span>,<span class="Constant"> 0</span> <span id="L188" class="LineNr">188 </span> <span class="Delimiter">}</span> <span id="L189" class="LineNr">189 </span> <span class="Delimiter">{</span> -<span id="L190" class="LineNr">190 </span> <span class="Conceal">¦</span> <span class="Comment"># if not, set expected response to the current response</span> -<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> expected-response -<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">response:offset</span> -<span id="L193" class="LineNr">193 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">expected-response:offset</span>, response +<span id="L190" class="LineNr">190 </span> <span class="Comment"># if not, set expected response to the current response</span> +<span id="L191" class="LineNr">191 </span> <span class="muControl">break-if</span> expected-response +<span id="L192" class="LineNr">192 </span> response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">response:offset</span> +<span id="L193" class="LineNr">193 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">expected-response:offset</span>, response <span id="L194" class="LineNr">194 </span> <span class="Delimiter">}</span> <span id="L195" class="LineNr">195 </span>] <span id="L196" class="LineNr">196 </span> <span id="L197" class="LineNr">197 </span><span class="Comment"># when rendering a sandbox, color it in red/green if expected response exists</span> -<span id="L198" class="LineNr">198 </span><span class="muRecipe">after</span> <span class="Constant"><a href='005-sandbox.mu.html#L311'><render-sandbox-response></a></span> [ +<span id="L198" class="LineNr">198 </span><span class="muRecipe">after</span> <span class="Constant"><render-sandbox-response></span> [ <span id="L199" class="LineNr">199 </span> <span class="Delimiter">{</span> -<span id="L200" class="LineNr">200 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-response -<span id="L201" class="LineNr">201 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span>, row -<span id="L202" class="LineNr">202 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> <a href='009-sandbox-test.mu.html#L207'>render-sandbox-response</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox, left, right -<span id="L203" class="LineNr">203 </span> <span class="Conceal">¦</span><span class="muControl"> jump</span> <span class="Constant">+render-sandbox-end</span> +<span id="L200" class="LineNr">200 </span> <span class="muControl">break-unless</span> sandbox-response +<span id="L201" class="LineNr">201 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span>, row +<span id="L202" class="LineNr">202 </span> row <span class="Special"><-</span> render-sandbox-response screen, sandbox, left, right +<span id="L203" class="LineNr">203 </span> <span class="muControl"> jump</span> <span class="Constant">+render-sandbox-end</span> <span id="L204" class="LineNr">204 </span> <span class="Delimiter">}</span> <span id="L205" class="LineNr">205 </span>] <span id="L206" class="LineNr">206 </span> -<span id="L207" class="LineNr">207 </span><span class="muRecipe">def</span> <a href='009-sandbox-test.mu.html#L207'>render-sandbox-response</a> <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a>, sandbox:&:sandbox, left:num, right:num<span class="muRecipe"> -> </span>row:num, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L207" class="LineNr">207 </span><span class="muRecipe">def</span> render-sandbox-response screen:&:screen, sandbox:&:sandbox, left:num, right:num<span class="muRecipe"> -> </span>row:num, screen:&:screen [ <span id="L208" class="LineNr">208 </span> <span class="Constant">local-scope</span> <span id="L209" class="LineNr">209 </span> <span class="Constant">load-inputs</span> <span id="L210" class="LineNr">210 </span> sandbox-response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">response:offset</span> <span id="L211" class="LineNr">211 </span> expected-response:text <span class="Special"><-</span> get *sandbox, <span class="Constant">expected-response:offset</span> <span id="L212" class="LineNr">212 </span> row:num <span class="Special"><-</span> get *sandbox <span class="Constant">response-starting-row-on-screen:offset</span> <span id="L213" class="LineNr">213 </span> <span class="Delimiter">{</span> -<span id="L214" class="LineNr">214 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> expected-response -<span id="L215" class="LineNr">215 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-response, left, right, <span class="Constant">245/grey</span>, row -<span id="L216" class="LineNr">216 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L214" class="LineNr">214 </span> <span class="muControl">break-if</span> expected-response +<span id="L215" class="LineNr">215 </span> row <span class="Special"><-</span> render-text screen, sandbox-response, left, right, <span class="Constant">245/grey</span>, row +<span id="L216" class="LineNr">216 </span> <span class="muControl"> return</span> <span id="L217" class="LineNr">217 </span> <span class="Delimiter">}</span> <span id="L218" class="LineNr">218 </span> response-is-expected?:bool <span class="Special"><-</span> equal expected-response, sandbox-response <span id="L219" class="LineNr">219 </span> <span class="Delimiter">{</span> -<span id="L220" class="LineNr">220 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> response-is-expected? -<span id="L221" class="LineNr">221 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-response, left, right, <span class="Constant">1/red</span>, row +<span id="L220" class="LineNr">220 </span> <span class="muControl">break-if</span> response-is-expected? +<span id="L221" class="LineNr">221 </span> row <span class="Special"><-</span> render-text screen, sandbox-response, left, right, <span class="Constant">1/red</span>, row <span id="L222" class="LineNr">222 </span> <span class="Delimiter">}</span> <span id="L223" class="LineNr">223 </span> <span class="Delimiter">{</span> -<span id="L224" class="LineNr">224 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> response-is-expected?:bool -<span id="L225" class="LineNr">225 </span> <span class="Conceal">¦</span> row <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-response, left, right, <span class="Constant">2/green</span>, row +<span id="L224" class="LineNr">224 </span> <span class="muControl">break-unless</span> response-is-expected?:bool +<span id="L225" class="LineNr">225 </span> row <span class="Special"><-</span> render-text screen, sandbox-response, left, right, <span class="Constant">2/green</span>, row <span id="L226" class="LineNr">226 </span> <span class="Delimiter">}</span> <span id="L227" class="LineNr">227 </span>] <span id="L228" class="LineNr">228 </span> -<span id="L229" class="LineNr">229 </span><span class="muRecipe">before</span> <span class="Constant"><a href='005-sandbox.mu.html#L325'><end-render-sandbox-reset-hidden></a></span> [ +<span id="L229" class="LineNr">229 </span><span class="muRecipe">before</span> <span class="Constant"><end-render-sandbox-reset-hidden></span> [ <span id="L230" class="LineNr">230 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span>,<span class="Constant"> 0</span> <span id="L231" class="LineNr">231 </span>] </pre> diff --git a/html/edit/010-sandbox-trace.mu.html b/html/edit/010-sandbox-trace.mu.html index a37ec663..b8c44c26 100644 --- a/html/edit/010-sandbox-trace.mu.html +++ b/html/edit/010-sandbox-trace.mu.html @@ -15,18 +15,17 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } -.Conceal { color: #4e4e4e; } .LineNr { color: #444444; } .Delimiter { color: #800080; } -.muData { color: #ffff00; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -69,71 +68,71 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L7" class="LineNr"> 7 </span> <span class="Comment"># basic recipe</span> <span id="L8" class="LineNr"> 8 </span> assume-resources [ -<span id="L9" class="LineNr"> 9 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L10" class="LineNr"> 10 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L11" class="LineNr"> 11 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | stash [abc]</span>| -<span id="L12" class="LineNr"> 12 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]|</span> -<span id="L13" class="LineNr"> 13 </span> <span class="Conceal">¦</span> ] +<span id="L9" class="LineNr"> 9 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L10" class="LineNr"> 10 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L11" class="LineNr"> 11 </span><span class="Constant"> | stash [abc]</span>| +<span id="L12" class="LineNr"> 12 </span><span class="Constant"> |]|</span> +<span id="L13" class="LineNr"> 13 </span> ] <span id="L14" class="LineNr"> 14 </span> ] -<span id="L15" class="LineNr"> 15 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L16" class="LineNr"> 16 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L15" class="LineNr"> 15 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L16" class="LineNr"> 16 </span> render-all screen, env, render <span id="L17" class="LineNr"> 17 </span> <span class="Comment"># run it</span> <span id="L18" class="LineNr"> 18 </span> assume-console [ -<span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span> press F4 +<span id="L19" class="LineNr"> 19 </span> press F4 <span id="L20" class="LineNr"> 20 </span> ] -<span id="L21" class="LineNr"> 21 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L21" class="LineNr"> 21 </span> event-loop screen, console, env, resources <span id="L22" class="LineNr"> 22 </span> screen-should-contain [ -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> -<span id="L26" class="LineNr"> 26 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span> -<span id="L27" class="LineNr"> 27 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span> -<span id="L28" class="LineNr"> 28 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L29" class="LineNr"> 29 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Constant"> . run (F4) .</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Constant"> .] ╎0 edit copy to recipe delete .</span> +<span id="L27" class="LineNr"> 27 </span> <span class="Constant"> . ╎foo .</span> +<span id="L28" class="LineNr"> 28 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L29" class="LineNr"> 29 </span> <span class="Constant"> . ╎ .</span> <span id="L30" class="LineNr"> 30 </span> ] <span id="L31" class="LineNr"> 31 </span> <span class="Comment"># click on the code in the sandbox</span> <span id="L32" class="LineNr"> 32 </span> assume-console [ -<span id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span> +<span id="L33" class="LineNr"> 33 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span> <span id="L34" class="LineNr"> 34 </span> ] <span id="L35" class="LineNr"> 35 </span> run [ -<span id="L36" class="LineNr"> 36 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> -<span id="L38" class="LineNr"> 38 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L36" class="LineNr"> 36 </span> event-loop screen, console, env, resources +<span id="L37" class="LineNr"> 37 </span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<span id="L38" class="LineNr"> 38 </span> print screen, cursor <span id="L39" class="LineNr"> 39 </span> ] <span id="L40" class="LineNr"> 40 </span> <span class="Comment"># trace now printed and cursor shouldn't have budged</span> <span id="L41" class="LineNr"> 41 </span> screen-should-contain [ -<span id="L42" class="LineNr"> 42 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span><span class="Constant"> .␣ecipe foo [ ╎ .</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> -<span id="L45" class="LineNr"> 45 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span> -<span id="L46" class="LineNr"> 46 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span> -<span id="L47" class="LineNr"> 47 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎abc .</span> +<span id="L42" class="LineNr"> 42 </span> <span class="Constant"> . run (F4) .</span> +<span id="L43" class="LineNr"> 43 </span> <span class="Constant"> .␣ecipe foo [ ╎ .</span> +<span id="L44" class="LineNr"> 44 </span> <span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> +<span id="L45" class="LineNr"> 45 </span> <span class="Constant"> .] ╎0 edit copy to recipe delete .</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Constant"> . ╎foo .</span> +<span id="L47" class="LineNr"> 47 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎abc .</span> <span id="L48" class="LineNr"> 48 </span> ] <span id="L49" class="LineNr"> 49 </span> screen-should-contain-in-color <span class="Constant">245/grey</span>, [ -<span id="L50" class="LineNr"> 50 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L51" class="LineNr"> 51 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L52" class="LineNr"> 52 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L53" class="LineNr"> 53 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎abc .</span> +<span id="L50" class="LineNr"> 50 </span> <span class="Constant"> . .</span> +<span id="L51" class="LineNr"> 51 </span> <span class="Constant"> . ╎ .</span> +<span id="L52" class="LineNr"> 52 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L53" class="LineNr"> 53 </span> <span class="Constant"> . ╎ .</span> +<span id="L54" class="LineNr"> 54 </span> <span class="Constant"> . ╎ .</span> +<span id="L55" class="LineNr"> 55 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎abc .</span> <span id="L56" class="LineNr"> 56 </span> ] <span id="L57" class="LineNr"> 57 </span> <span class="Comment"># click again on the same region</span> <span id="L58" class="LineNr"> 58 </span> assume-console [ -<span id="L59" class="LineNr"> 59 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 55</span> +<span id="L59" class="LineNr"> 59 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 55</span> <span id="L60" class="LineNr"> 60 </span> ] <span id="L61" class="LineNr"> 61 </span> run [ -<span id="L62" class="LineNr"> 62 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> -<span id="L63" class="LineNr"> 63 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor +<span id="L62" class="LineNr"> 62 </span> event-loop screen, console, env, resources +<span id="L63" class="LineNr"> 63 </span> print screen, cursor <span id="L64" class="LineNr"> 64 </span> ] <span id="L65" class="LineNr"> 65 </span> <span class="Comment"># trace hidden again</span> <span id="L66" class="LineNr"> 66 </span> screen-should-contain [ -<span id="L67" class="LineNr"> 67 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L68" class="LineNr"> 68 </span> <span class="Conceal">¦</span><span class="Constant"> .␣ecipe foo [ ╎ .</span> -<span id="L69" class="LineNr"> 69 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> -<span id="L70" class="LineNr"> 70 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span> -<span id="L71" class="LineNr"> 71 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span> -<span id="L72" class="LineNr"> 72 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L67" class="LineNr"> 67 </span> <span class="Constant"> . run (F4) .</span> +<span id="L68" class="LineNr"> 68 </span> <span class="Constant"> .␣ecipe foo [ ╎ .</span> +<span id="L69" class="LineNr"> 69 </span> <span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> +<span id="L70" class="LineNr"> 70 </span> <span class="Constant"> .] ╎0 edit copy to recipe delete .</span> +<span id="L71" class="LineNr"> 71 </span> <span class="Constant"> . ╎foo .</span> +<span id="L72" class="LineNr"> 72 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L73" class="LineNr"> 73 </span> <span class="Constant"> . ╎ .</span> <span id="L74" class="LineNr"> 74 </span> ] <span id="L75" class="LineNr"> 75 </span>] <span id="L76" class="LineNr"> 76 </span> @@ -143,49 +142,49 @@ if ('onhashchange' in window) { <span id="L80" class="LineNr"> 80 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L81" class="LineNr"> 81 </span> <span class="Comment"># basic recipe</span> <span id="L82" class="LineNr"> 82 </span> assume-resources [ -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L85" class="LineNr"> 85 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | stash [abc]</span>| -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|</span> <span class="muControl"> reply</span> 4| -<span id="L87" class="LineNr"> 87 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]|</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span> ] +<span id="L83" class="LineNr"> 83 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L84" class="LineNr"> 84 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L85" class="LineNr"> 85 </span><span class="Constant"> | stash [abc]</span>| +<span id="L86" class="LineNr"> 86 </span> <span class="Constant">|</span> <span class="muControl"> reply</span> 4| +<span id="L87" class="LineNr"> 87 </span><span class="Constant"> |]|</span> +<span id="L88" class="LineNr"> 88 </span> ] <span id="L89" class="LineNr"> 89 </span> ] -<span id="L90" class="LineNr"> 90 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L91" class="LineNr"> 91 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L90" class="LineNr"> 90 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L91" class="LineNr"> 91 </span> render-all screen, env, render <span id="L92" class="LineNr"> 92 </span> <span class="Comment"># run it</span> <span id="L93" class="LineNr"> 93 </span> assume-console [ -<span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span> press F4 +<span id="L94" class="LineNr"> 94 </span> press F4 <span id="L95" class="LineNr"> 95 </span> ] -<span id="L96" class="LineNr"> 96 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L96" class="LineNr"> 96 </span> event-loop screen, console, env, resources <span id="L97" class="LineNr"> 97 </span> screen-should-contain [ -<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L100" class="LineNr">100 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> -<span id="L101" class="LineNr">101 </span> <span class="Conceal">¦</span><span class="Constant"> . reply 4 ╎0 edit copy to recipe delete .</span> -<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎foo .</span> -<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L104" class="LineNr">104 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L105" class="LineNr">105 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L98" class="LineNr"> 98 </span> <span class="Constant"> . run (F4) .</span> +<span id="L99" class="LineNr"> 99 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L100" class="LineNr">100 </span> <span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> +<span id="L101" class="LineNr">101 </span> <span class="Constant"> . reply 4 ╎0 edit copy to recipe delete .</span> +<span id="L102" class="LineNr">102 </span> <span class="Constant"> .] ╎foo .</span> +<span id="L103" class="LineNr">103 </span> <span class="Constant"> . ╎4 .</span> +<span id="L104" class="LineNr">104 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L105" class="LineNr">105 </span> <span class="Constant"> . ╎ .</span> <span id="L106" class="LineNr">106 </span> ] <span id="L107" class="LineNr">107 </span> <span class="Comment"># click on the code in the sandbox</span> <span id="L108" class="LineNr">108 </span> assume-console [ -<span id="L109" class="LineNr">109 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span> +<span id="L109" class="LineNr">109 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span> <span id="L110" class="LineNr">110 </span> ] <span id="L111" class="LineNr">111 </span> run [ -<span id="L112" class="LineNr">112 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L112" class="LineNr">112 </span> event-loop screen, console, env, resources <span id="L113" class="LineNr">113 </span> ] <span id="L114" class="LineNr">114 </span> <span class="Comment"># trace now printed above result</span> <span id="L115" class="LineNr">115 </span> screen-should-contain [ -<span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L117" class="LineNr">117 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L118" class="LineNr">118 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> -<span id="L119" class="LineNr">119 </span> <span class="Conceal">¦</span><span class="Constant"> . reply 4 ╎0 edit copy to recipe delete .</span> -<span id="L120" class="LineNr">120 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎foo .</span> -<span id="L121" class="LineNr">121 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎abc .</span> -<span id="L122" class="LineNr">122 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎8 instructions run .</span> -<span id="L123" class="LineNr">123 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L124" class="LineNr">124 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L125" class="LineNr">125 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L116" class="LineNr">116 </span> <span class="Constant"> . run (F4) .</span> +<span id="L117" class="LineNr">117 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L118" class="LineNr">118 </span> <span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span> +<span id="L119" class="LineNr">119 </span> <span class="Constant"> . reply 4 ╎0 edit copy to recipe delete .</span> +<span id="L120" class="LineNr">120 </span> <span class="Constant"> .] ╎foo .</span> +<span id="L121" class="LineNr">121 </span> <span class="Constant"> . ╎abc .</span> +<span id="L122" class="LineNr">122 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎8 instructions run .</span> +<span id="L123" class="LineNr">123 </span> <span class="Constant"> . ╎4 .</span> +<span id="L124" class="LineNr">124 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L125" class="LineNr">125 </span> <span class="Constant"> . ╎ .</span> <span id="L126" class="LineNr">126 </span> ] <span id="L127" class="LineNr">127 </span>] <span id="L128" class="LineNr">128 </span> @@ -195,37 +194,37 @@ if ('onhashchange' in window) { <span id="L132" class="LineNr">132 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L133" class="LineNr">133 </span> assume-resources [ <span id="L134" class="LineNr">134 </span> ] -<span id="L135" class="LineNr">135 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[stash 123456789]</span> -<span id="L136" class="LineNr">136 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L135" class="LineNr">135 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[stash 123456789]</span> +<span id="L136" class="LineNr">136 </span> render-all screen, env, render <span id="L137" class="LineNr">137 </span> <span class="Comment"># create and expand the trace</span> <span id="L138" class="LineNr">138 </span> assume-console [ -<span id="L139" class="LineNr">139 </span> <span class="Conceal">¦</span> press F4 -<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span> +<span id="L139" class="LineNr">139 </span> press F4 +<span id="L140" class="LineNr">140 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span> <span id="L141" class="LineNr">141 </span> ] -<span id="L142" class="LineNr">142 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L142" class="LineNr">142 </span> event-loop screen, console, env, resources <span id="L143" class="LineNr">143 </span> screen-should-contain [ -<span id="L144" class="LineNr">144 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L145" class="LineNr">145 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L146" class="LineNr">146 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L147" class="LineNr">147 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎stash 123456789 .</span> -<span id="L149" class="LineNr">149 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎123456789 .</span> +<span id="L144" class="LineNr">144 </span> <span class="Constant"> . run (F4) .</span> +<span id="L145" class="LineNr">145 </span> <span class="Constant"> . ╎ .</span> +<span id="L146" class="LineNr">146 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L147" class="LineNr">147 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L148" class="LineNr">148 </span> <span class="Constant"> . ╎stash 123456789 .</span> +<span id="L149" class="LineNr">149 </span> <span class="Constant"> . ╎123456789 .</span> <span id="L150" class="LineNr">150 </span> ] <span id="L151" class="LineNr">151 </span> <span class="Comment"># click on the stash under the edit-button region (or any of the other buttons, really)</span> <span id="L152" class="LineNr">152 </span> assume-console [ -<span id="L153" class="LineNr">153 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 57</span> +<span id="L153" class="LineNr">153 </span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 57</span> <span id="L154" class="LineNr">154 </span> ] <span id="L155" class="LineNr">155 </span> run [ -<span id="L156" class="LineNr">156 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L156" class="LineNr">156 </span> event-loop screen, console, env, resources <span id="L157" class="LineNr">157 </span> ] <span id="L158" class="LineNr">158 </span> <span class="Comment"># no change; doesn't die</span> <span id="L159" class="LineNr">159 </span> screen-should-contain [ -<span id="L160" class="LineNr">160 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L161" class="LineNr">161 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L162" class="LineNr">162 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L163" class="LineNr">163 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L164" class="LineNr">164 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎stash 123456789 .</span> -<span id="L165" class="LineNr">165 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎123456789 .</span> +<span id="L160" class="LineNr">160 </span> <span class="Constant"> . run (F4) .</span> +<span id="L161" class="LineNr">161 </span> <span class="Constant"> . ╎ .</span> +<span id="L162" class="LineNr">162 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L163" class="LineNr">163 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L164" class="LineNr">164 </span> <span class="Constant"> . ╎stash 123456789 .</span> +<span id="L165" class="LineNr">165 </span> <span class="Constant"> . ╎123456789 .</span> <span id="L166" class="LineNr">166 </span> ] <span id="L167" class="LineNr">167 </span>] <span id="L168" class="LineNr">168 </span> @@ -239,40 +238,40 @@ if ('onhashchange' in window) { <span id="L176" class="LineNr">176 </span> <span class="Constant">local-scope</span> <span id="L177" class="LineNr">177 </span> <span class="Constant">load-inputs</span> <span id="L178" class="LineNr">178 </span> data:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> -<span id="L179" class="LineNr">179 </span> response:text, _, fake-screen:&:<a href='../081print.mu.html#L16'>screen</a>, trace:text <span class="Special"><-</span> run-sandboxed data +<span id="L179" class="LineNr">179 </span> response:text, _, fake-screen:&:screen, trace:text <span class="Special"><-</span> run-sandboxed data <span id="L180" class="LineNr">180 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response:offset</span>, response -<span id="L181" class="LineNr">181 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant"><a href='../081print.mu.html#L16'>screen</a>:offset</span>, fake-screen +<span id="L181" class="LineNr">181 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">screen:offset</span>, fake-screen <span id="L182" class="LineNr">182 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">trace:offset</span>, trace <span id="L183" class="LineNr">183 </span>] <span id="L184" class="LineNr">184 </span> <span id="L185" class="LineNr">185 </span><span class="Comment"># clicks on sandbox code toggle its display-trace? flag</span> -<span id="L186" class="LineNr">186 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'><global-touch></a></span> [ +<span id="L186" class="LineNr">186 </span><span class="muRecipe">after</span> <span class="Constant"><global-touch></span> [ <span id="L187" class="LineNr">187 </span> <span class="Comment"># check if it's inside the code of any sandbox</span> <span id="L188" class="LineNr">188 </span> <span class="Delimiter">{</span> -<span id="L189" class="LineNr">189 </span> <span class="Conceal">¦</span> sandbox-left-margin:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> -<span id="L190" class="LineNr">190 </span> <span class="Conceal">¦</span> click-column:num <span class="Special"><-</span> get t, <span class="Constant">column:offset</span> -<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span> on-sandbox-side?:bool <span class="Special"><-</span> greater-or-equal click-column, sandbox-left-margin -<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> on-sandbox-side? -<span id="L193" class="LineNr">193 </span> <span class="Conceal">¦</span> first-sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> -<span id="L194" class="LineNr">194 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> first-sandbox -<span id="L195" class="LineNr">195 </span> <span class="Conceal">¦</span> first-sandbox-begins:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">starting-row-on-screen:offset</span> -<span id="L196" class="LineNr">196 </span> <span class="Conceal">¦</span> click-row:num <span class="Special"><-</span> get t, <span class="Constant">row:offset</span> -<span id="L197" class="LineNr">197 </span> <span class="Conceal">¦</span> below-sandbox-editor?:bool <span class="Special"><-</span> greater-or-equal click-row, first-sandbox-begins -<span id="L198" class="LineNr">198 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> below-sandbox-editor? -<span id="L199" class="LineNr">199 </span> <span class="Conceal">¦</span> <span class="Comment"># identify the sandbox whose code is being clicked on</span> -<span id="L200" class="LineNr">200 </span> <span class="Conceal">¦</span> sandbox:&:sandbox <span class="Special"><-</span> <a href='010-sandbox-trace.mu.html#L212'>find-click-in-sandbox-code</a> env, click-row -<span id="L201" class="LineNr">201 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox -<span id="L202" class="LineNr">202 </span> <span class="Conceal">¦</span> <span class="Comment"># toggle its display-trace? property</span> -<span id="L203" class="LineNr">203 </span> <span class="Conceal">¦</span> x:bool <span class="Special"><-</span> get *sandbox, <span class="Constant">display-trace?:offset</span> -<span id="L204" class="LineNr">204 </span> <span class="Conceal">¦</span> x <span class="Special"><-</span> not x -<span id="L205" class="LineNr">205 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">display-trace?:offset</span>, x -<span id="L206" class="LineNr">206 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> -<span id="L207" class="LineNr">207 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env -<span id="L208" class="LineNr">208 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> <span class="Constant">+next-event</span> +<span id="L189" class="LineNr">189 </span> sandbox-left-margin:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span> +<span id="L190" class="LineNr">190 </span> click-column:num <span class="Special"><-</span> get t, <span class="Constant">column:offset</span> +<span id="L191" class="LineNr">191 </span> on-sandbox-side?:bool <span class="Special"><-</span> greater-or-equal click-column, sandbox-left-margin +<span id="L192" class="LineNr">192 </span> <span class="muControl">break-unless</span> on-sandbox-side? +<span id="L193" class="LineNr">193 </span> first-sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span> +<span id="L194" class="LineNr">194 </span> <span class="muControl">break-unless</span> first-sandbox +<span id="L195" class="LineNr">195 </span> first-sandbox-begins:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">starting-row-on-screen:offset</span> +<span id="L196" class="LineNr">196 </span> click-row:num <span class="Special"><-</span> get t, <span class="Constant">row:offset</span> +<span id="L197" class="LineNr">197 </span> below-sandbox-editor?:bool <span class="Special"><-</span> greater-or-equal click-row, first-sandbox-begins +<span id="L198" class="LineNr">198 </span> <span class="muControl">break-unless</span> below-sandbox-editor? +<span id="L199" class="LineNr">199 </span> <span class="Comment"># identify the sandbox whose code is being clicked on</span> +<span id="L200" class="LineNr">200 </span> sandbox:&:sandbox <span class="Special"><-</span> find-click-in-sandbox-code env, click-row +<span id="L201" class="LineNr">201 </span> <span class="muControl">break-unless</span> sandbox +<span id="L202" class="LineNr">202 </span> <span class="Comment"># toggle its display-trace? property</span> +<span id="L203" class="LineNr">203 </span> x:bool <span class="Special"><-</span> get *sandbox, <span class="Constant">display-trace?:offset</span> +<span id="L204" class="LineNr">204 </span> x <span class="Special"><-</span> not x +<span id="L205" class="LineNr">205 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">display-trace?:offset</span>, x +<span id="L206" class="LineNr">206 </span> screen <span class="Special"><-</span> render-sandbox-side screen, env, render +<span id="L207" class="LineNr">207 </span> screen <span class="Special"><-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env +<span id="L208" class="LineNr">208 </span> <span class="muControl"> loop</span> <span class="Constant">+next-event</span> <span id="L209" class="LineNr">209 </span> <span class="Delimiter">}</span> <span id="L210" class="LineNr">210 </span>] <span id="L211" class="LineNr">211 </span> -<span id="L212" class="LineNr">212 </span><span class="muRecipe">def</span> <a href='010-sandbox-trace.mu.html#L212'>find-click-in-sandbox-code</a> env:&:environment, click-row:num<span class="muRecipe"> -> </span>sandbox:&:sandbox [ +<span id="L212" class="LineNr">212 </span><span class="muRecipe">def</span> find-click-in-sandbox-code env:&:environment, click-row:num<span class="muRecipe"> -> </span>sandbox:&:sandbox [ <span id="L213" class="LineNr">213 </span> <span class="Constant">local-scope</span> <span id="L214" class="LineNr">214 </span> <span class="Constant">load-inputs</span> <span id="L215" class="LineNr">215 </span> <span class="Comment"># assert click-row >= sandbox.starting-row-on-screen</span> @@ -282,13 +281,13 @@ if ('onhashchange' in window) { <span id="L219" class="LineNr">219 </span> assert clicked-on-sandboxes?, <span class="Constant">[extract-sandbox called on click to sandbox editor]</span> <span id="L220" class="LineNr">220 </span> <span class="Comment"># while click-row < sandbox.next-sandbox.starting-row-on-screen</span> <span id="L221" class="LineNr">221 </span> <span class="Delimiter">{</span> -<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span> next-sandbox:&:sandbox <span class="Special"><-</span> get *sandbox, <span class="Constant">next-sandbox:offset</span> -<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> next-sandbox -<span id="L224" class="LineNr">224 </span> <span class="Conceal">¦</span> next-start:num <span class="Special"><-</span> get *next-sandbox, <span class="Constant">starting-row-on-screen:offset</span> -<span id="L225" class="LineNr">225 </span> <span class="Conceal">¦</span> found?:bool <span class="Special"><-</span> lesser-than click-row, next-start -<span id="L226" class="LineNr">226 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> found? -<span id="L227" class="LineNr">227 </span> <span class="Conceal">¦</span> sandbox <span class="Special"><-</span> copy next-sandbox -<span id="L228" class="LineNr">228 </span> <span class="Conceal">¦</span><span class="muControl"> loop</span> +<span id="L222" class="LineNr">222 </span> next-sandbox:&:sandbox <span class="Special"><-</span> get *sandbox, <span class="Constant">next-sandbox:offset</span> +<span id="L223" class="LineNr">223 </span> <span class="muControl">break-unless</span> next-sandbox +<span id="L224" class="LineNr">224 </span> next-start:num <span class="Special"><-</span> get *next-sandbox, <span class="Constant">starting-row-on-screen:offset</span> +<span id="L225" class="LineNr">225 </span> found?:bool <span class="Special"><-</span> lesser-than click-row, next-start +<span id="L226" class="LineNr">226 </span> <span class="muControl">break-if</span> found? +<span id="L227" class="LineNr">227 </span> sandbox <span class="Special"><-</span> copy next-sandbox +<span id="L228" class="LineNr">228 </span> <span class="muControl"> loop</span> <span id="L229" class="LineNr">229 </span> <span class="Delimiter">}</span> <span id="L230" class="LineNr">230 </span> <span class="Comment"># return sandbox if click is in its code region</span> <span id="L231" class="LineNr">231 </span> code-ending-row:num <span class="Special"><-</span> get *sandbox, <span class="Constant">code-ending-row-on-screen:offset</span> @@ -297,22 +296,22 @@ if ('onhashchange' in window) { <span id="L234" class="LineNr">234 </span> click-below-menu?:bool <span class="Special"><-</span> greater-than click-row, start <span id="L235" class="LineNr">235 </span> click-on-sandbox-code?:bool <span class="Special"><-</span> and click-above-response?, click-below-menu? <span id="L236" class="LineNr">236 </span> <span class="Delimiter">{</span> -<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> click-on-sandbox-code? -<span id="L238" class="LineNr">238 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">0/no-click-in-sandbox-output</span> +<span id="L237" class="LineNr">237 </span> <span class="muControl">break-if</span> click-on-sandbox-code? +<span id="L238" class="LineNr">238 </span> <span class="muControl"> return</span> <span class="Constant">0/no-click-in-sandbox-output</span> <span id="L239" class="LineNr">239 </span> <span class="Delimiter">}</span> <span id="L240" class="LineNr">240 </span> <span class="muControl"> return</span> sandbox <span id="L241" class="LineNr">241 </span>] <span id="L242" class="LineNr">242 </span> <span id="L243" class="LineNr">243 </span><span class="Comment"># when rendering a sandbox, dump its trace before response/warning if display-trace? property is set</span> -<span id="L244" class="LineNr">244 </span><span class="muRecipe">after</span> <span class="Constant"><a href='005-sandbox.mu.html#L302'><render-sandbox-results></a></span> [ +<span id="L244" class="LineNr">244 </span><span class="muRecipe">after</span> <span class="Constant"><render-sandbox-results></span> [ <span id="L245" class="LineNr">245 </span> <span class="Delimiter">{</span> -<span id="L246" class="LineNr">246 </span> <span class="Conceal">¦</span> display-trace?:bool <span class="Special"><-</span> get *sandbox, <span class="Constant">display-trace?:offset</span> -<span id="L247" class="LineNr">247 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> display-trace? -<span id="L248" class="LineNr">248 </span> <span class="Conceal">¦</span> sandbox-trace:text <span class="Special"><-</span> get *sandbox, <span class="Constant">trace:offset</span> -<span id="L249" class="LineNr">249 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-trace <span class="Comment"># nothing to print; move on</span> -<span id="L250" class="LineNr">250 </span> <span class="Conceal">¦</span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-trace, left, right, <span class="Constant">245/grey</span>, row +<span id="L246" class="LineNr">246 </span> display-trace?:bool <span class="Special"><-</span> get *sandbox, <span class="Constant">display-trace?:offset</span> +<span id="L247" class="LineNr">247 </span> <span class="muControl">break-unless</span> display-trace? +<span id="L248" class="LineNr">248 </span> sandbox-trace:text <span class="Special"><-</span> get *sandbox, <span class="Constant">trace:offset</span> +<span id="L249" class="LineNr">249 </span> <span class="muControl">break-unless</span> sandbox-trace <span class="Comment"># nothing to print; move on</span> +<span id="L250" class="LineNr">250 </span> row, screen <span class="Special"><-</span> render-text screen, sandbox-trace, left, right, <span class="Constant">245/grey</span>, row <span id="L251" class="LineNr">251 </span> <span class="Delimiter">}</span> -<span id="L252" class="LineNr">252 </span><span class="Constant"> <a href='010-sandbox-trace.mu.html#L252'><render-sandbox-trace-done></a></span> +<span id="L252" class="LineNr">252 </span><span class="Constant"> <render-sandbox-trace-done></span> <span id="L253" class="LineNr">253 </span>] </pre> </body> diff --git a/html/edit/011-errors.mu.html b/html/edit/011-errors.mu.html index f694b5b9..9293cd49 100644 --- a/html/edit/011-errors.mu.html +++ b/html/edit/011-errors.mu.html @@ -15,18 +15,17 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } -.Conceal { color: #4e4e4e; } -.muData { color: #ffff00; } -.LineNr { color: #444444; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } +.LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Special { color: #c00000; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -68,41 +67,41 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span>] <span id="L6" class="LineNr"> 6 </span> <span id="L7" class="LineNr"> 7 </span><span class="Comment"># copy code from recipe editor, persist to disk, load, save any errors</span> -<span id="L8" class="LineNr"> 8 </span><span class="muRecipe">def!</span> update-recipes env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span>errors-found?:bool, env:&:environment, <a href='../088file.mu.html#L11'>resources</a>:&:<a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L8" class="LineNr"> 8 </span><span class="muRecipe">def!</span> update-recipes env:&:environment, resources:&:resources, screen:&:screen<span class="muRecipe"> -> </span>errors-found?:bool, env:&:environment, resources:&:resources, screen:&:screen [ <span id="L9" class="LineNr"> 9 </span> <span class="Constant">local-scope</span> <span id="L10" class="LineNr"> 10 </span> <span class="Constant">load-inputs</span> <span id="L11" class="LineNr"> 11 </span> recipes:&:editor <span class="Special"><-</span> get *env, <span class="Constant">recipes:offset</span> -<span id="L12" class="LineNr"> 12 </span> in:text <span class="Special"><-</span> <a href='005-sandbox.mu.html#L683'>editor-contents</a> recipes -<span id="L13" class="LineNr"> 13 </span> <a href='../088file.mu.html#L11'>resources</a> <span class="Special"><-</span> <a href='../088file.mu.html#L127'>dump</a> <a href='../088file.mu.html#L11'>resources</a>, <span class="Constant">[lesson/recipes.mu]</span>, in +<span id="L12" class="LineNr"> 12 </span> in:text <span class="Special"><-</span> editor-contents recipes +<span id="L13" class="LineNr"> 13 </span> resources <span class="Special"><-</span> dump resources, <span class="Constant">[lesson/recipes.mu]</span>, in <span id="L14" class="LineNr"> 14 </span> recipe-errors:text <span class="Special"><-</span> reload in <span id="L15" class="LineNr"> 15 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">recipe-errors:offset</span>, recipe-errors <span id="L16" class="LineNr"> 16 </span> <span class="Comment"># if recipe editor has errors, stop</span> <span id="L17" class="LineNr"> 17 </span> <span class="Delimiter">{</span> -<span id="L18" class="LineNr"> 18 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> recipe-errors -<span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span> <a href='005-sandbox.mu.html#L217'>update-status</a> <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[errors found ]</span>, <span class="Constant">1/red</span> -<span id="L20" class="LineNr"> 20 </span> <span class="Conceal">¦</span> errors-found? <span class="Special"><-</span> copy <span class="Constant">1/true</span> -<span id="L21" class="LineNr"> 21 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> +<span id="L18" class="LineNr"> 18 </span> <span class="muControl">break-unless</span> recipe-errors +<span id="L19" class="LineNr"> 19 </span> update-status screen, <span class="Constant">[errors found ]</span>, <span class="Constant">1/red</span> +<span id="L20" class="LineNr"> 20 </span> errors-found? <span class="Special"><-</span> copy <span class="Constant">1/true</span> +<span id="L21" class="LineNr"> 21 </span> <span class="muControl"> return</span> <span id="L22" class="LineNr"> 22 </span> <span class="Delimiter">}</span> <span id="L23" class="LineNr"> 23 </span> errors-found? <span class="Special"><-</span> copy <span class="Constant">0/false</span> <span id="L24" class="LineNr"> 24 </span>] <span id="L25" class="LineNr"> 25 </span> -<span id="L26" class="LineNr"> 26 </span><span class="muRecipe">after</span> <span class="Constant"><a href='005-sandbox.mu.html#L132'><begin-run-sandboxes-on-F4></a></span> [ +<span id="L26" class="LineNr"> 26 </span><span class="muRecipe">after</span> <span class="Constant"><begin-run-sandboxes-on-F4></span> [ <span id="L27" class="LineNr"> 27 </span> old-recipe-errors:text <span class="Special"><-</span> get *env, <span class="Constant">recipe-errors:offset</span> <span id="L28" class="LineNr"> 28 </span>] -<span id="L29" class="LineNr"> 29 </span><span class="muRecipe">before</span> <span class="Constant"><a href='005-sandbox.mu.html#L135'><end-run-sandboxes-on-F4></a></span> [ +<span id="L29" class="LineNr"> 29 </span><span class="muRecipe">before</span> <span class="Constant"><end-run-sandboxes-on-F4></span> [ <span id="L30" class="LineNr"> 30 </span> <span class="Comment"># if there were recipe errors before, check if we can clear them</span> <span id="L31" class="LineNr"> 31 </span> <span class="Delimiter">{</span> -<span id="L32" class="LineNr"> 32 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> old-recipe-errors -<span id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L431'>render-recipes</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L32" class="LineNr"> 32 </span> <span class="muControl">break-unless</span> old-recipe-errors +<span id="L33" class="LineNr"> 33 </span> screen <span class="Special"><-</span> render-recipes screen, env, render <span id="L34" class="LineNr"> 34 </span> <span class="Delimiter">}</span> -<span id="L35" class="LineNr"> 35 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='011-errors.mu.html#L42'>render-recipe-errors</a> env, <a href='../081print.mu.html#L16'>screen</a> +<span id="L35" class="LineNr"> 35 </span> screen <span class="Special"><-</span> render-recipe-errors env, screen <span id="L36" class="LineNr"> 36 </span>] <span id="L37" class="LineNr"> 37 </span> -<span id="L38" class="LineNr"> 38 </span><span class="muRecipe">before</span> <span class="Constant"><a href='004-programming-environment.mu.html#L443'><end-render-recipe-components></a></span> [ -<span id="L39" class="LineNr"> 39 </span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='011-errors.mu.html#L42'>render-recipe-errors</a> env, <a href='../081print.mu.html#L16'>screen</a> +<span id="L38" class="LineNr"> 38 </span><span class="muRecipe">before</span> <span class="Constant"><end-render-recipe-components></span> [ +<span id="L39" class="LineNr"> 39 </span> screen <span class="Special"><-</span> render-recipe-errors env, screen <span id="L40" class="LineNr"> 40 </span>] <span id="L41" class="LineNr"> 41 </span> -<span id="L42" class="LineNr"> 42 </span><span class="muRecipe">def</span> <a href='011-errors.mu.html#L42'>render-recipe-errors</a> env:&:environment, <a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a><span class="muRecipe"> -> </span><a href='../081print.mu.html#L16'>screen</a>:&:<a href='../081print.mu.html#L16'>screen</a> [ +<span id="L42" class="LineNr"> 42 </span><span class="muRecipe">def</span> render-recipe-errors env:&:environment, screen:&:screen<span class="muRecipe"> -> </span>screen:&:screen [ <span id="L43" class="LineNr"> 43 </span> <span class="Constant">local-scope</span> <span id="L44" class="LineNr"> 44 </span> <span class="Constant">load-inputs</span> <span id="L45" class="LineNr"> 45 </span> recipe-errors:text <span class="Special"><-</span> get *env, <span class="Constant">recipe-errors:offset</span> @@ -111,45 +110,45 @@ if ('onhashchange' in window) { <span id="L48" class="LineNr"> 48 </span> left:num <span class="Special"><-</span> get *recipes, <span class="Constant">left:offset</span> <span id="L49" class="LineNr"> 49 </span> right:num <span class="Special"><-</span> get *recipes, <span class="Constant">right:offset</span> <span id="L50" class="LineNr"> 50 </span> row:num <span class="Special"><-</span> get *recipes, <span class="Constant">bottom:offset</span> -<span id="L51" class="LineNr"> 51 </span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, recipe-errors, left, right, <span class="Constant">1/red</span>, row +<span id="L51" class="LineNr"> 51 </span> row, screen <span class="Special"><-</span> render-text screen, recipe-errors, left, right, <span class="Constant">1/red</span>, row <span id="L52" class="LineNr"> 52 </span> <span class="Comment"># draw dotted line after recipes</span> -<span id="L53" class="LineNr"> 53 </span> <a href='002-typing.mu.html#L1116'>draw-horizontal</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, right, <span class="Constant">9480/horizontal-dotted</span> +<span id="L53" class="LineNr"> 53 </span> draw-horizontal screen, row, left, right, <span class="Constant">9480/horizontal-dotted</span> <span id="L54" class="LineNr"> 54 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> -<span id="L55" class="LineNr"> 55 </span> <a href='001-editor.mu.html#L207'>clear-screen-from</a> <a href='../081print.mu.html#L16'>screen</a>, row, left, left, right +<span id="L55" class="LineNr"> 55 </span> clear-screen-from screen, row, left, left, right <span id="L56" class="LineNr"> 56 </span>] <span id="L57" class="LineNr"> 57 </span> <span id="L58" class="LineNr"> 58 </span><span class="muData">container</span> environment [ <span id="L59" class="LineNr"> 59 </span> error-index:num <span class="Comment"># index of first sandbox with an error (or -1 if none)</span> <span id="L60" class="LineNr"> 60 </span>] <span id="L61" class="LineNr"> 61 </span> -<span id="L62" class="LineNr"> 62 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L36'><programming-environment-initialization></a></span> [ +<span id="L62" class="LineNr"> 62 </span><span class="muRecipe">after</span> <span class="Constant"><programming-environment-initialization></span> [ <span id="L63" class="LineNr"> 63 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">error-index:offset</span>,<span class="Constant"> -1</span> <span id="L64" class="LineNr"> 64 </span>] <span id="L65" class="LineNr"> 65 </span> -<span id="L66" class="LineNr"> 66 </span><span class="muRecipe">after</span> <span class="Constant"><a href='005-sandbox.mu.html#L152'><begin-run-sandboxes></a></span> [ +<span id="L66" class="LineNr"> 66 </span><span class="muRecipe">after</span> <span class="Constant"><begin-run-sandboxes></span> [ <span id="L67" class="LineNr"> 67 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">error-index:offset</span>,<span class="Constant"> -1</span> <span id="L68" class="LineNr"> 68 </span>] <span id="L69" class="LineNr"> 69 </span> -<span id="L70" class="LineNr"> 70 </span><span class="muRecipe">before</span> <span class="Constant"><a href='005-sandbox.mu.html#L187'><end-run-sandboxes></a></span> [ +<span id="L70" class="LineNr"> 70 </span><span class="muRecipe">before</span> <span class="Constant"><end-run-sandboxes></span> [ <span id="L71" class="LineNr"> 71 </span> <span class="Delimiter">{</span> -<span id="L72" class="LineNr"> 72 </span> <span class="Conceal">¦</span> error-index:num <span class="Special"><-</span> get *env, <span class="Constant">error-index:offset</span> -<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span> sandboxes-completed-successfully?:bool <span class="Special"><-</span> equal error-index,<span class="Constant"> -1</span> -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> sandboxes-completed-successfully? -<span id="L75" class="LineNr"> 75 </span> <span class="Conceal">¦</span> errors-found? <span class="Special"><-</span> copy <span class="Constant">1/true</span> +<span id="L72" class="LineNr"> 72 </span> error-index:num <span class="Special"><-</span> get *env, <span class="Constant">error-index:offset</span> +<span id="L73" class="LineNr"> 73 </span> sandboxes-completed-successfully?:bool <span class="Special"><-</span> equal error-index,<span class="Constant"> -1</span> +<span id="L74" class="LineNr"> 74 </span> <span class="muControl">break-if</span> sandboxes-completed-successfully? +<span id="L75" class="LineNr"> 75 </span> errors-found? <span class="Special"><-</span> copy <span class="Constant">1/true</span> <span id="L76" class="LineNr"> 76 </span> <span class="Delimiter">}</span> <span id="L77" class="LineNr"> 77 </span>] <span id="L78" class="LineNr"> 78 </span> -<span id="L79" class="LineNr"> 79 </span><span class="muRecipe">before</span> <span class="Constant"><a href='005-sandbox.mu.html#L135'><end-run-sandboxes-on-F4></a></span> [ +<span id="L79" class="LineNr"> 79 </span><span class="muRecipe">before</span> <span class="Constant"><end-run-sandboxes-on-F4></span> [ <span id="L80" class="LineNr"> 80 </span> <span class="Delimiter">{</span> -<span id="L81" class="LineNr"> 81 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> error? -<span id="L82" class="LineNr"> 82 </span> <span class="Conceal">¦</span> recipe-errors:text <span class="Special"><-</span> get *env, <span class="Constant">recipe-errors:offset</span> -<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> recipe-errors -<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span> error-index:num <span class="Special"><-</span> get *env, <span class="Constant">error-index:offset</span> -<span id="L85" class="LineNr"> 85 </span> <span class="Conceal">¦</span> sandboxes-completed-successfully?:bool <span class="Special"><-</span> equal error-index,<span class="Constant"> -1</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> sandboxes-completed-successfully? -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span> error-index-text:text <span class="Special"><-</span> to-text error-index -<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span> status:text <span class="Special"><-</span> <a href='../061text.mu.html#L520'>interpolate</a> <span class="Constant">[errors found (_) ]</span>, error-index-text -<span id="L89" class="LineNr"> 89 </span> <span class="Conceal">¦</span> <a href='005-sandbox.mu.html#L217'>update-status</a> <a href='../081print.mu.html#L16'>screen</a>, status, <span class="Constant">1/red</span> +<span id="L81" class="LineNr"> 81 </span> <span class="muControl">break-unless</span> error? +<span id="L82" class="LineNr"> 82 </span> recipe-errors:text <span class="Special"><-</span> get *env, <span class="Constant">recipe-errors:offset</span> +<span id="L83" class="LineNr"> 83 </span> <span class="muControl">break-if</span> recipe-errors +<span id="L84" class="LineNr"> 84 </span> error-index:num <span class="Special"><-</span> get *env, <span class="Constant">error-index:offset</span> +<span id="L85" class="LineNr"> 85 </span> sandboxes-completed-successfully?:bool <span class="Special"><-</span> equal error-index,<span class="Constant"> -1</span> +<span id="L86" class="LineNr"> 86 </span> <span class="muControl">break-if</span> sandboxes-completed-successfully? +<span id="L87" class="LineNr"> 87 </span> error-index-text:text <span class="Special"><-</span> to-text error-index +<span id="L88" class="LineNr"> 88 </span> status:text <span class="Special"><-</span> interpolate <span class="Constant">[errors found (_) ]</span>, error-index-text +<span id="L89" class="LineNr"> 89 </span> update-status screen, status, <span class="Constant">1/red</span> <span id="L90" class="LineNr"> 90 </span> <span class="Delimiter">}</span> <span id="L91" class="LineNr"> 91 </span>] <span id="L92" class="LineNr"> 92 </span> @@ -161,36 +160,36 @@ if ('onhashchange' in window) { <span id="L98" class="LineNr"> 98 </span> <span class="Constant">local-scope</span> <span id="L99" class="LineNr"> 99 </span> <span class="Constant">load-inputs</span> <span id="L100" class="LineNr">100 </span> data:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span> -<span id="L101" class="LineNr">101 </span> response:text, errors:text, fake-screen:&:<a href='../081print.mu.html#L16'>screen</a>, trace:text, completed?:bool <span class="Special"><-</span> run-sandboxed data +<span id="L101" class="LineNr">101 </span> response:text, errors:text, fake-screen:&:screen, trace:text, completed?:bool <span class="Special"><-</span> run-sandboxed data <span id="L102" class="LineNr">102 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response:offset</span>, response <span id="L103" class="LineNr">103 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">errors:offset</span>, errors -<span id="L104" class="LineNr">104 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant"><a href='../081print.mu.html#L16'>screen</a>:offset</span>, fake-screen +<span id="L104" class="LineNr">104 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">screen:offset</span>, fake-screen <span id="L105" class="LineNr">105 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">trace:offset</span>, trace <span id="L106" class="LineNr">106 </span> <span class="Delimiter">{</span> -<span id="L107" class="LineNr">107 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> errors -<span id="L108" class="LineNr">108 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> completed? -<span id="L109" class="LineNr">109 </span> <span class="Conceal">¦</span> errors <span class="Special"><-</span> new <span class="Constant">[took too long!</span> +<span id="L107" class="LineNr">107 </span> <span class="muControl">break-if</span> errors +<span id="L108" class="LineNr">108 </span> <span class="muControl">break-if</span> completed? +<span id="L109" class="LineNr">109 </span> errors <span class="Special"><-</span> new <span class="Constant">[took too long!</span> <span id="L110" class="LineNr">110 </span><span class="Constant">]</span> -<span id="L111" class="LineNr">111 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">errors:offset</span>, errors +<span id="L111" class="LineNr">111 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">errors:offset</span>, errors <span id="L112" class="LineNr">112 </span> <span class="Delimiter">}</span> <span id="L113" class="LineNr">113 </span> <span class="Delimiter">{</span> -<span id="L114" class="LineNr">114 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> errors -<span id="L115" class="LineNr">115 </span> <span class="Conceal">¦</span> error-index:num <span class="Special"><-</span> get *env, <span class="Constant">error-index:offset</span> -<span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span> error-not-set?:bool <span class="Special"><-</span> equal error-index,<span class="Constant"> -1</span> -<span id="L117" class="LineNr">117 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> error-not-set? -<span id="L118" class="LineNr">118 </span> <span class="Conceal">¦</span> *env <span class="Special"><-</span> put *env, <span class="Constant">error-index:offset</span>, idx +<span id="L114" class="LineNr">114 </span> <span class="muControl">break-unless</span> errors +<span id="L115" class="LineNr">115 </span> error-index:num <span class="Special"><-</span> get *env, <span class="Constant">error-index:offset</span> +<span id="L116" class="LineNr">116 </span> error-not-set?:bool <span class="Special"><-</span> equal error-index,<span class="Constant"> -1</span> +<span id="L117" class="LineNr">117 </span> <span class="muControl">break-unless</span> error-not-set? +<span id="L118" class="LineNr">118 </span> *env <span class="Special"><-</span> put *env, <span class="Constant">error-index:offset</span>, idx <span id="L119" class="LineNr">119 </span> <span class="Delimiter">}</span> <span id="L120" class="LineNr">120 </span>] <span id="L121" class="LineNr">121 </span> <span id="L122" class="LineNr">122 </span><span class="Comment"># make sure we render any trace</span> -<span id="L123" class="LineNr">123 </span><span class="muRecipe">after</span> <span class="Constant"><a href='010-sandbox-trace.mu.html#L252'><render-sandbox-trace-done></a></span> [ +<span id="L123" class="LineNr">123 </span><span class="muRecipe">after</span> <span class="Constant"><render-sandbox-trace-done></span> [ <span id="L124" class="LineNr">124 </span> <span class="Delimiter">{</span> -<span id="L125" class="LineNr">125 </span> <span class="Conceal">¦</span> sandbox-errors:text <span class="Special"><-</span> get *sandbox, <span class="Constant">errors:offset</span> -<span id="L126" class="LineNr">126 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-errors -<span id="L127" class="LineNr">127 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span>,<span class="Constant"> 0</span> <span class="Comment"># no response</span> -<span id="L128" class="LineNr">128 </span> <span class="Conceal">¦</span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-errors, left, right, <span class="Constant">1/red</span>, row -<span id="L129" class="LineNr">129 </span> <span class="Conceal">¦</span> <span class="Comment"># don't try to print anything more for this sandbox</span> -<span id="L130" class="LineNr">130 </span> <span class="Conceal">¦</span><span class="muControl"> jump</span> <span class="Constant">+render-sandbox-end</span> +<span id="L125" class="LineNr">125 </span> sandbox-errors:text <span class="Special"><-</span> get *sandbox, <span class="Constant">errors:offset</span> +<span id="L126" class="LineNr">126 </span> <span class="muControl">break-unless</span> sandbox-errors +<span id="L127" class="LineNr">127 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response-starting-row-on-screen:offset</span>,<span class="Constant"> 0</span> <span class="Comment"># no response</span> +<span id="L128" class="LineNr">128 </span> row, screen <span class="Special"><-</span> render-text screen, sandbox-errors, left, right, <span class="Constant">1/red</span>, row +<span id="L129" class="LineNr">129 </span> <span class="Comment"># don't try to print anything more for this sandbox</span> +<span id="L130" class="LineNr">130 </span> <span class="muControl"> jump</span> <span class="Constant">+render-sandbox-end</span> <span id="L131" class="LineNr">131 </span> <span class="Delimiter">}</span> <span id="L132" class="LineNr">132 </span>] <span id="L133" class="LineNr">133 </span> @@ -199,49 +198,49 @@ if ('onhashchange' in window) { <span id="L136" class="LineNr">136 </span> trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span> <span id="L137" class="LineNr">137 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L138" class="LineNr">138 </span> assume-resources [ -<span id="L139" class="LineNr">139 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L141" class="LineNr">141 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | get 123:num, foo:offset|</span> -<span id="L142" class="LineNr">142 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L143" class="LineNr">143 </span> <span class="Conceal">¦</span> ] +<span id="L139" class="LineNr">139 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L140" class="LineNr">140 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L141" class="LineNr">141 </span><span class="Constant"> | get 123:num, foo:offset|</span> +<span id="L142" class="LineNr">142 </span><span class="Constant"> |]</span>| +<span id="L143" class="LineNr">143 </span> ] <span id="L144" class="LineNr">144 </span> ] -<span id="L145" class="LineNr">145 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L146" class="LineNr">146 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L145" class="LineNr">145 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L146" class="LineNr">146 </span> render-all screen, env, render <span id="L147" class="LineNr">147 </span> screen-should-contain [ -<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L149" class="LineNr">149 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L150" class="LineNr">150 </span> <span class="Conceal">¦</span><span class="Constant"> . get 123:num, foo:offset ╎─────────────────────────────────────────────────.</span> -<span id="L151" class="LineNr">151 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L152" class="LineNr">152 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L153" class="LineNr">153 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L154" class="LineNr">154 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L148" class="LineNr">148 </span> <span class="Constant"> . run (F4) .</span> +<span id="L149" class="LineNr">149 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L150" class="LineNr">150 </span> <span class="Constant"> . get 123:num, foo:offset ╎─────────────────────────────────────────────────.</span> +<span id="L151" class="LineNr">151 </span> <span class="Constant"> .] ╎ .</span> +<span id="L152" class="LineNr">152 </span> <span class="Constant"> . ╎ .</span> +<span id="L153" class="LineNr">153 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L154" class="LineNr">154 </span> <span class="Constant"> . ╎ .</span> <span id="L155" class="LineNr">155 </span> ] <span id="L156" class="LineNr">156 </span> assume-console [ -<span id="L157" class="LineNr">157 </span> <span class="Conceal">¦</span> press F4 +<span id="L157" class="LineNr">157 </span> press F4 <span id="L158" class="LineNr">158 </span> ] <span id="L159" class="LineNr">159 </span> run [ -<span id="L160" class="LineNr">160 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L160" class="LineNr">160 </span> event-loop screen, console, env, resources <span id="L161" class="LineNr">161 </span> ] <span id="L162" class="LineNr">162 </span> screen-should-contain [ -<span id="L163" class="LineNr">163 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L164" class="LineNr">164 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L165" class="LineNr">165 </span> <span class="Conceal">¦</span><span class="Constant"> . get 123:num, foo:offset ╎─────────────────────────────────────────────────.</span> -<span id="L166" class="LineNr">166 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L167" class="LineNr">167 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: unknown element 'foo' in container 'number' ╎ .</span> -<span id="L168" class="LineNr">168 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: first ingredient of 'get' should be a contai↩╎ .</span> -<span id="L169" class="LineNr">169 </span> <span class="Conceal">¦</span><span class="Constant"> .ner, but got '123:num' ╎ .</span> -<span id="L170" class="LineNr">170 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L171" class="LineNr">171 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L163" class="LineNr">163 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L164" class="LineNr">164 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L165" class="LineNr">165 </span> <span class="Constant"> . get 123:num, foo:offset ╎─────────────────────────────────────────────────.</span> +<span id="L166" class="LineNr">166 </span> <span class="Constant"> .] ╎ .</span> +<span id="L167" class="LineNr">167 </span> <span class="Constant"> .foo: unknown element 'foo' in container 'number' ╎ .</span> +<span id="L168" class="LineNr">168 </span> <span class="Constant"> .foo: first ingredient of 'get' should be a contai↩╎ .</span> +<span id="L169" class="LineNr">169 </span> <span class="Constant"> .ner, but got '123:num' ╎ .</span> +<span id="L170" class="LineNr">170 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L171" class="LineNr">171 </span> <span class="Constant"> . ╎ .</span> <span id="L172" class="LineNr">172 </span> ] <span id="L173" class="LineNr">173 </span> screen-should-contain-in-color <span class="Constant">1/red</span>, [ -<span id="L174" class="LineNr">174 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found .</span> -<span id="L175" class="LineNr">175 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L176" class="LineNr">176 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L177" class="LineNr">177 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L178" class="LineNr">178 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: unknown element 'foo' in container 'number' .</span> -<span id="L179" class="LineNr">179 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: first ingredient of 'get' should be a contai .</span> -<span id="L180" class="LineNr">180 </span> <span class="Conceal">¦</span><span class="Constant"> .ner, but got '123:num' .</span> -<span id="L181" class="LineNr">181 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L174" class="LineNr">174 </span> <span class="Constant"> . errors found .</span> +<span id="L175" class="LineNr">175 </span> <span class="Constant"> . .</span> +<span id="L176" class="LineNr">176 </span> <span class="Constant"> . .</span> +<span id="L177" class="LineNr">177 </span> <span class="Constant"> . .</span> +<span id="L178" class="LineNr">178 </span> <span class="Constant"> .foo: unknown element 'foo' in container 'number' .</span> +<span id="L179" class="LineNr">179 </span> <span class="Constant"> .foo: first ingredient of 'get' should be a contai .</span> +<span id="L180" class="LineNr">180 </span> <span class="Constant"> .ner, but got '123:num' .</span> +<span id="L181" class="LineNr">181 </span> <span class="Constant"> . .</span> <span id="L182" class="LineNr">182 </span> ] <span id="L183" class="LineNr">183 </span>] <span id="L184" class="LineNr">184 </span> @@ -251,23 +250,23 @@ if ('onhashchange' in window) { <span id="L188" class="LineNr">188 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L189" class="LineNr">189 </span> assume-resources [ <span id="L190" class="LineNr">190 </span> ] -<span id="L191" class="LineNr">191 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L192" class="LineNr">192 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L191" class="LineNr">191 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L192" class="LineNr">192 </span> render-all screen, env, render <span id="L193" class="LineNr">193 </span> assume-console [ -<span id="L194" class="LineNr">194 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 80</span> -<span id="L195" class="LineNr">195 </span> <span class="Conceal">¦</span> <span class="Comment"># create invalid sandbox 1</span> -<span id="L196" class="LineNr">196 </span> <span class="Conceal">¦</span> type <span class="Constant">[get foo, x:offset]</span> -<span id="L197" class="LineNr">197 </span> <span class="Conceal">¦</span> press F4 -<span id="L198" class="LineNr">198 </span> <span class="Conceal">¦</span> <span class="Comment"># create invalid sandbox 0</span> -<span id="L199" class="LineNr">199 </span> <span class="Conceal">¦</span> type <span class="Constant">[get foo, x:offset]</span> -<span id="L200" class="LineNr">200 </span> <span class="Conceal">¦</span> press F4 +<span id="L194" class="LineNr">194 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 80</span> +<span id="L195" class="LineNr">195 </span> <span class="Comment"># create invalid sandbox 1</span> +<span id="L196" class="LineNr">196 </span> type <span class="Constant">[get foo, x:offset]</span> +<span id="L197" class="LineNr">197 </span> press F4 +<span id="L198" class="LineNr">198 </span> <span class="Comment"># create invalid sandbox 0</span> +<span id="L199" class="LineNr">199 </span> type <span class="Constant">[get foo, x:offset]</span> +<span id="L200" class="LineNr">200 </span> press F4 <span id="L201" class="LineNr">201 </span> ] <span id="L202" class="LineNr">202 </span> run [ -<span id="L203" class="LineNr">203 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L203" class="LineNr">203 </span> event-loop screen, console, env, resources <span id="L204" class="LineNr">204 </span> ] <span id="L205" class="LineNr">205 </span> <span class="Comment"># status line shows that error is in first sandbox</span> <span id="L206" class="LineNr">206 </span> screen-should-contain [ -<span id="L207" class="LineNr">207 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L207" class="LineNr">207 </span> <span class="Constant"> . errors found (0) run (F4) .</span> <span id="L208" class="LineNr">208 </span> ] <span id="L209" class="LineNr">209 </span>] <span id="L210" class="LineNr">210 </span> @@ -277,26 +276,26 @@ if ('onhashchange' in window) { <span id="L214" class="LineNr">214 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L215" class="LineNr">215 </span> assume-resources [ <span id="L216" class="LineNr">216 </span> ] -<span id="L217" class="LineNr">217 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span> -<span id="L218" class="LineNr">218 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L217" class="LineNr">217 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[]</span> +<span id="L218" class="LineNr">218 </span> render-all screen, env, render <span id="L219" class="LineNr">219 </span> assume-console [ -<span id="L220" class="LineNr">220 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 80</span> -<span id="L221" class="LineNr">221 </span> <span class="Conceal">¦</span> <span class="Comment"># create invalid sandbox 2</span> -<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span> type <span class="Constant">[get foo, x:offset]</span> -<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span> press F4 -<span id="L224" class="LineNr">224 </span> <span class="Conceal">¦</span> <span class="Comment"># create invalid sandbox 1</span> -<span id="L225" class="LineNr">225 </span> <span class="Conceal">¦</span> type <span class="Constant">[get foo, x:offset]</span> -<span id="L226" class="LineNr">226 </span> <span class="Conceal">¦</span> press F4 -<span id="L227" class="LineNr">227 </span> <span class="Conceal">¦</span> <span class="Comment"># create valid sandbox 0</span> -<span id="L228" class="LineNr">228 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> -<span id="L229" class="LineNr">229 </span> <span class="Conceal">¦</span> press F4 +<span id="L220" class="LineNr">220 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 80</span> +<span id="L221" class="LineNr">221 </span> <span class="Comment"># create invalid sandbox 2</span> +<span id="L222" class="LineNr">222 </span> type <span class="Constant">[get foo, x:offset]</span> +<span id="L223" class="LineNr">223 </span> press F4 +<span id="L224" class="LineNr">224 </span> <span class="Comment"># create invalid sandbox 1</span> +<span id="L225" class="LineNr">225 </span> type <span class="Constant">[get foo, x:offset]</span> +<span id="L226" class="LineNr">226 </span> press F4 +<span id="L227" class="LineNr">227 </span> <span class="Comment"># create valid sandbox 0</span> +<span id="L228" class="LineNr">228 </span> type <span class="Constant">[add 2, 2]</span> +<span id="L229" class="LineNr">229 </span> press F4 <span id="L230" class="LineNr">230 </span> ] <span id="L231" class="LineNr">231 </span> run [ -<span id="L232" class="LineNr">232 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L232" class="LineNr">232 </span> event-loop screen, console, env, resources <span id="L233" class="LineNr">233 </span> ] <span id="L234" class="LineNr">234 </span> <span class="Comment"># status line shows that error is in second sandbox</span> <span id="L235" class="LineNr">235 </span> screen-should-contain [ -<span id="L236" class="LineNr">236 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (1) run (F4) .</span> +<span id="L236" class="LineNr">236 </span> <span class="Constant"> . errors found (1) run (F4) .</span> <span id="L237" class="LineNr">237 </span> ] <span id="L238" class="LineNr">238 </span>] <span id="L239" class="LineNr">239 </span> @@ -306,31 +305,31 @@ if ('onhashchange' in window) { <span id="L243" class="LineNr">243 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L244" class="LineNr">244 </span> assume-resources [ <span id="L245" class="LineNr">245 </span> ] -<span id="L246" class="LineNr">246 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[get foo, x:offset]</span> <span class="Comment"># invalid</span> -<span id="L247" class="LineNr">247 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L246" class="LineNr">246 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[get foo, x:offset]</span> <span class="Comment"># invalid</span> +<span id="L247" class="LineNr">247 </span> render-all screen, env, render <span id="L248" class="LineNr">248 </span> assume-console [ -<span id="L249" class="LineNr">249 </span> <span class="Conceal">¦</span> press F4 <span class="Comment"># generate error</span> +<span id="L249" class="LineNr">249 </span> press F4 <span class="Comment"># generate error</span> <span id="L250" class="LineNr">250 </span> ] -<span id="L251" class="LineNr">251 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L251" class="LineNr">251 </span> event-loop screen, console, env, resources <span id="L252" class="LineNr">252 </span> assume-console [ -<span id="L253" class="LineNr">253 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 58</span> -<span id="L254" class="LineNr">254 </span> <span class="Conceal">¦</span> press ctrl-k -<span id="L255" class="LineNr">255 </span> <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span> <span class="Comment"># valid code</span> -<span id="L256" class="LineNr">256 </span> <span class="Conceal">¦</span> press F4 <span class="Comment"># update sandbox</span> +<span id="L253" class="LineNr">253 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 58</span> +<span id="L254" class="LineNr">254 </span> press ctrl-k +<span id="L255" class="LineNr">255 </span> type <span class="Constant">[add 2, 2]</span> <span class="Comment"># valid code</span> +<span id="L256" class="LineNr">256 </span> press F4 <span class="Comment"># update sandbox</span> <span id="L257" class="LineNr">257 </span> ] <span id="L258" class="LineNr">258 </span> run [ -<span id="L259" class="LineNr">259 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L259" class="LineNr">259 </span> event-loop screen, console, env, resources <span id="L260" class="LineNr">260 </span> ] <span id="L261" class="LineNr">261 </span> <span class="Comment"># error should disappear</span> <span id="L262" class="LineNr">262 </span> screen-should-contain [ -<span id="L263" class="LineNr">263 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L264" class="LineNr">264 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L265" class="LineNr">265 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L266" class="LineNr">266 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L267" class="LineNr">267 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎add 2, 2 .</span> -<span id="L268" class="LineNr">268 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span> -<span id="L269" class="LineNr">269 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L270" class="LineNr">270 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L263" class="LineNr">263 </span> <span class="Constant"> . run (F4) .</span> +<span id="L264" class="LineNr">264 </span> <span class="Constant"> . ╎ .</span> +<span id="L265" class="LineNr">265 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L266" class="LineNr">266 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L267" class="LineNr">267 </span> <span class="Constant"> . ╎add 2, 2 .</span> +<span id="L268" class="LineNr">268 </span> <span class="Constant"> . ╎4 .</span> +<span id="L269" class="LineNr">269 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L270" class="LineNr">270 </span> <span class="Constant"> . ╎ .</span> <span id="L271" class="LineNr">271 </span> ] <span id="L272" class="LineNr">272 </span>] <span id="L273" class="LineNr">273 </span> @@ -340,52 +339,52 @@ if ('onhashchange' in window) { <span id="L277" class="LineNr">277 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L278" class="LineNr">278 </span> <span class="Comment"># define a shape-shifting recipe with an error</span> <span id="L279" class="LineNr">279 </span> assume-resources [ -<span id="L280" class="LineNr">280 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L281" class="LineNr">281 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo x:_elem<span class="muRecipe"> -> </span>z:_elem <span class="Constant">[|</span> -<span id="L282" class="LineNr">282 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | local-scope|</span> -<span id="L283" class="LineNr">283 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | load-ingredients|</span> -<span id="L284" class="LineNr">284 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | y:&:num <- copy 0|</span> -<span id="L285" class="LineNr">285 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | z <- add x, y|</span> -<span id="L286" class="LineNr">286 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L287" class="LineNr">287 </span> <span class="Conceal">¦</span> ] +<span id="L280" class="LineNr">280 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L281" class="LineNr">281 </span> <span class="Constant">|recipe</span> foo x:_elem<span class="muRecipe"> -> </span>z:_elem <span class="Constant">[|</span> +<span id="L282" class="LineNr">282 </span><span class="Constant"> | local-scope|</span> +<span id="L283" class="LineNr">283 </span><span class="Constant"> | load-ingredients|</span> +<span id="L284" class="LineNr">284 </span><span class="Constant"> | y:&:num <- copy 0|</span> +<span id="L285" class="LineNr">285 </span><span class="Constant"> | z <- add x, y|</span> +<span id="L286" class="LineNr">286 </span><span class="Constant"> |]</span>| +<span id="L287" class="LineNr">287 </span> ] <span id="L288" class="LineNr">288 </span> ] -<span id="L289" class="LineNr">289 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo 2]</span> -<span id="L290" class="LineNr">290 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L289" class="LineNr">289 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo 2]</span> +<span id="L290" class="LineNr">290 </span> render-all screen, env, render <span id="L291" class="LineNr">291 </span> assume-console [ -<span id="L292" class="LineNr">292 </span> <span class="Conceal">¦</span> press F4 +<span id="L292" class="LineNr">292 </span> press F4 <span id="L293" class="LineNr">293 </span> ] -<span id="L294" class="LineNr">294 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L294" class="LineNr">294 </span> event-loop screen, console, env, resources <span id="L295" class="LineNr">295 </span> screen-should-contain [ -<span id="L296" class="LineNr">296 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> -<span id="L297" class="LineNr">297 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo x:_elem -> z:_elem [ ╎ .</span> -<span id="L298" class="LineNr">298 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L299" class="LineNr">299 </span> <span class="Conceal">¦</span><span class="Constant"> . load-ingredients ╎0 edit copy to recipe delete .</span> -<span id="L300" class="LineNr">300 </span> <span class="Conceal">¦</span><span class="Constant"> . y:&:num <- copy 0 ╎foo 2 .</span> -<span id="L301" class="LineNr">301 </span> <span class="Conceal">¦</span><span class="Constant"> . z <- add x, y ╎foo_2: 'add' requires number ingredients, but go↩.</span> -<span id="L302" class="LineNr">302 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎t 'y' .</span> -<span id="L303" class="LineNr">303 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L304" class="LineNr">304 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L305" class="LineNr">305 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L296" class="LineNr">296 </span> <span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L297" class="LineNr">297 </span> <span class="Constant"> .recipe foo x:_elem -> z:_elem [ ╎ .</span> +<span id="L298" class="LineNr">298 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L299" class="LineNr">299 </span> <span class="Constant"> . load-ingredients ╎0 edit copy to recipe delete .</span> +<span id="L300" class="LineNr">300 </span> <span class="Constant"> . y:&:num <- copy 0 ╎foo 2 .</span> +<span id="L301" class="LineNr">301 </span> <span class="Constant"> . z <- add x, y ╎foo_2: 'add' requires number ingredients, but go↩.</span> +<span id="L302" class="LineNr">302 </span> <span class="Constant"> .] ╎t 'y' .</span> +<span id="L303" class="LineNr">303 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L304" class="LineNr">304 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L305" class="LineNr">305 </span> <span class="Constant"> . ╎ .</span> <span id="L306" class="LineNr">306 </span> ] <span id="L307" class="LineNr">307 </span> <span class="Comment"># now rerun everything</span> <span id="L308" class="LineNr">308 </span> assume-console [ -<span id="L309" class="LineNr">309 </span> <span class="Conceal">¦</span> press F4 +<span id="L309" class="LineNr">309 </span> press F4 <span id="L310" class="LineNr">310 </span> ] <span id="L311" class="LineNr">311 </span> run [ -<span id="L312" class="LineNr">312 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L312" class="LineNr">312 </span> event-loop screen, console, env, resources <span id="L313" class="LineNr">313 </span> ] <span id="L314" class="LineNr">314 </span> <span class="Comment"># error should remain unchanged</span> <span id="L315" class="LineNr">315 </span> screen-should-contain [ -<span id="L316" class="LineNr">316 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> -<span id="L317" class="LineNr">317 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo x:_elem -> z:_elem [ ╎ .</span> -<span id="L318" class="LineNr">318 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L319" class="LineNr">319 </span> <span class="Conceal">¦</span><span class="Constant"> . load-ingredients ╎0 edit copy to recipe delete .</span> -<span id="L320" class="LineNr">320 </span> <span class="Conceal">¦</span><span class="Constant"> . y:&:num <- copy 0 ╎foo 2 .</span> -<span id="L321" class="LineNr">321 </span> <span class="Conceal">¦</span><span class="Constant"> . z <- add x, y ╎foo_3: 'add' requires number ingredients, but go↩.</span> -<span id="L322" class="LineNr">322 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎t 'y' .</span> -<span id="L323" class="LineNr">323 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L324" class="LineNr">324 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L325" class="LineNr">325 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L316" class="LineNr">316 </span> <span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L317" class="LineNr">317 </span> <span class="Constant"> .recipe foo x:_elem -> z:_elem [ ╎ .</span> +<span id="L318" class="LineNr">318 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L319" class="LineNr">319 </span> <span class="Constant"> . load-ingredients ╎0 edit copy to recipe delete .</span> +<span id="L320" class="LineNr">320 </span> <span class="Constant"> . y:&:num <- copy 0 ╎foo 2 .</span> +<span id="L321" class="LineNr">321 </span> <span class="Constant"> . z <- add x, y ╎foo_3: 'add' requires number ingredients, but go↩.</span> +<span id="L322" class="LineNr">322 </span> <span class="Constant"> .] ╎t 'y' .</span> +<span id="L323" class="LineNr">323 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L324" class="LineNr">324 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L325" class="LineNr">325 </span> <span class="Constant"> . ╎ .</span> <span id="L326" class="LineNr">326 </span> ] <span id="L327" class="LineNr">327 </span>] <span id="L328" class="LineNr">328 </span> @@ -395,63 +394,63 @@ if ('onhashchange' in window) { <span id="L332" class="LineNr">332 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L333" class="LineNr">333 </span> <span class="Comment"># overload a well-known shape-shifting recipe</span> <span id="L334" class="LineNr">334 </span> assume-resources [ -<span id="L335" class="LineNr">335 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L336" class="LineNr">336 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> length l:&:<a href='../064list.mu.html#L6'>list</a>:_elem<span class="muRecipe"> -> </span>n:num <span class="Constant">[|</span> -<span id="L337" class="LineNr">337 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L338" class="LineNr">338 </span> <span class="Conceal">¦</span> ] +<span id="L335" class="LineNr">335 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L336" class="LineNr">336 </span> <span class="Constant">|recipe</span> length l:&:list:_elem<span class="muRecipe"> -> </span>n:num <span class="Constant">[|</span> +<span id="L337" class="LineNr">337 </span><span class="Constant"> |]</span>| +<span id="L338" class="LineNr">338 </span> ] <span id="L339" class="LineNr">339 </span> ] <span id="L340" class="LineNr">340 </span> <span class="Comment"># call code that uses other variants of it, but not it itself</span> -<span id="L341" class="LineNr">341 </span> test-sandbox:text <span class="Special"><-</span> new <span class="Constant">[x:&:<a href='../064list.mu.html#L6'>list</a>:num <- copy 0</span> +<span id="L341" class="LineNr">341 </span> test-sandbox:text <span class="Special"><-</span> new <span class="Constant">[x:&:list:num <- copy 0</span> <span id="L342" class="LineNr">342 </span><span class="Constant">to-text x]</span> -<span id="L343" class="LineNr">343 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, test-sandbox -<span id="L344" class="LineNr">344 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L343" class="LineNr">343 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, test-sandbox +<span id="L344" class="LineNr">344 </span> render-all screen, env, render <span id="L345" class="LineNr">345 </span> <span class="Comment"># run it once</span> <span id="L346" class="LineNr">346 </span> assume-console [ -<span id="L347" class="LineNr">347 </span> <span class="Conceal">¦</span> press F4 +<span id="L347" class="LineNr">347 </span> press F4 <span id="L348" class="LineNr">348 </span> ] -<span id="L349" class="LineNr">349 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L349" class="LineNr">349 </span> event-loop screen, console, env, resources <span id="L350" class="LineNr">350 </span> <span class="Comment"># no errors anywhere on screen (can't check anything else, since to-text will return an address)</span> <span id="L351" class="LineNr">351 </span> screen-should-contain-in-color <span class="Constant">1/red</span>, [ -<span id="L352" class="LineNr">352 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L353" class="LineNr">353 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L354" class="LineNr">354 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L355" class="LineNr">355 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L356" class="LineNr">356 </span> <span class="Conceal">¦</span><span class="Constant"> . <- .</span> -<span id="L357" class="LineNr">357 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L358" class="LineNr">358 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L359" class="LineNr">359 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L360" class="LineNr">360 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L361" class="LineNr">361 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L362" class="LineNr">362 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L363" class="LineNr">363 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L364" class="LineNr">364 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L365" class="LineNr">365 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L366" class="LineNr">366 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L352" class="LineNr">352 </span> <span class="Constant"> . .</span> +<span id="L353" class="LineNr">353 </span> <span class="Constant"> . .</span> +<span id="L354" class="LineNr">354 </span> <span class="Constant"> . .</span> +<span id="L355" class="LineNr">355 </span> <span class="Constant"> . .</span> +<span id="L356" class="LineNr">356 </span> <span class="Constant"> . <- .</span> +<span id="L357" class="LineNr">357 </span> <span class="Constant"> . .</span> +<span id="L358" class="LineNr">358 </span> <span class="Constant"> . .</span> +<span id="L359" class="LineNr">359 </span> <span class="Constant"> . .</span> +<span id="L360" class="LineNr">360 </span> <span class="Constant"> . .</span> +<span id="L361" class="LineNr">361 </span> <span class="Constant"> . .</span> +<span id="L362" class="LineNr">362 </span> <span class="Constant"> . .</span> +<span id="L363" class="LineNr">363 </span> <span class="Constant"> . .</span> +<span id="L364" class="LineNr">364 </span> <span class="Constant"> . .</span> +<span id="L365" class="LineNr">365 </span> <span class="Constant"> . .</span> +<span id="L366" class="LineNr">366 </span> <span class="Constant"> . .</span> <span id="L367" class="LineNr">367 </span> ] <span id="L368" class="LineNr">368 </span> <span class="Comment"># rerun everything</span> <span id="L369" class="LineNr">369 </span> assume-console [ -<span id="L370" class="LineNr">370 </span> <span class="Conceal">¦</span> press F4 +<span id="L370" class="LineNr">370 </span> press F4 <span id="L371" class="LineNr">371 </span> ] <span id="L372" class="LineNr">372 </span> run [ -<span id="L373" class="LineNr">373 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L373" class="LineNr">373 </span> event-loop screen, console, env, resources <span id="L374" class="LineNr">374 </span> ] <span id="L375" class="LineNr">375 </span> <span class="Comment"># still no errors</span> <span id="L376" class="LineNr">376 </span> screen-should-contain-in-color <span class="Constant">1/red</span>, [ -<span id="L377" class="LineNr">377 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L378" class="LineNr">378 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L379" class="LineNr">379 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L380" class="LineNr">380 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L381" class="LineNr">381 </span> <span class="Conceal">¦</span><span class="Constant"> . <- .</span> -<span id="L382" class="LineNr">382 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L383" class="LineNr">383 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L384" class="LineNr">384 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L385" class="LineNr">385 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L386" class="LineNr">386 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L387" class="LineNr">387 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L388" class="LineNr">388 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L389" class="LineNr">389 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L390" class="LineNr">390 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L391" class="LineNr">391 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L377" class="LineNr">377 </span> <span class="Constant"> . .</span> +<span id="L378" class="LineNr">378 </span> <span class="Constant"> . .</span> +<span id="L379" class="LineNr">379 </span> <span class="Constant"> . .</span> +<span id="L380" class="LineNr">380 </span> <span class="Constant"> . .</span> +<span id="L381" class="LineNr">381 </span> <span class="Constant"> . <- .</span> +<span id="L382" class="LineNr">382 </span> <span class="Constant"> . .</span> +<span id="L383" class="LineNr">383 </span> <span class="Constant"> . .</span> +<span id="L384" class="LineNr">384 </span> <span class="Constant"> . .</span> +<span id="L385" class="LineNr">385 </span> <span class="Constant"> . .</span> +<span id="L386" class="LineNr">386 </span> <span class="Constant"> . .</span> +<span id="L387" class="LineNr">387 </span> <span class="Constant"> . .</span> +<span id="L388" class="LineNr">388 </span> <span class="Constant"> . .</span> +<span id="L389" class="LineNr">389 </span> <span class="Constant"> . .</span> +<span id="L390" class="LineNr">390 </span> <span class="Constant"> . .</span> +<span id="L391" class="LineNr">391 </span> <span class="Constant"> . .</span> <span id="L392" class="LineNr">392 </span> ] <span id="L393" class="LineNr">393 </span>] <span id="L394" class="LineNr">394 </span> @@ -460,29 +459,29 @@ if ('onhashchange' in window) { <span id="L397" class="LineNr">397 </span> trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span> <span id="L398" class="LineNr">398 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L399" class="LineNr">399 </span> assume-resources [ -<span id="L400" class="LineNr">400 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L401" class="LineNr">401 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L402" class="LineNr">402 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | x <- copy 0|</span> -<span id="L403" class="LineNr">403 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L404" class="LineNr">404 </span> <span class="Conceal">¦</span> ] +<span id="L400" class="LineNr">400 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L401" class="LineNr">401 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L402" class="LineNr">402 </span><span class="Constant"> | x <- copy 0|</span> +<span id="L403" class="LineNr">403 </span><span class="Constant"> |]</span>| +<span id="L404" class="LineNr">404 </span> ] <span id="L405" class="LineNr">405 </span> ] -<span id="L406" class="LineNr">406 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L407" class="LineNr">407 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L406" class="LineNr">406 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L407" class="LineNr">407 </span> render-all screen, env, render <span id="L408" class="LineNr">408 </span> assume-console [ -<span id="L409" class="LineNr">409 </span> <span class="Conceal">¦</span> press F4 +<span id="L409" class="LineNr">409 </span> press F4 <span id="L410" class="LineNr">410 </span> ] <span id="L411" class="LineNr">411 </span> run [ -<span id="L412" class="LineNr">412 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L412" class="LineNr">412 </span> event-loop screen, console, env, resources <span id="L413" class="LineNr">413 </span> ] <span id="L414" class="LineNr">414 </span> screen-should-contain [ -<span id="L415" class="LineNr">415 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L416" class="LineNr">416 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L417" class="LineNr">417 </span> <span class="Conceal">¦</span><span class="Constant"> . x <- copy 0 ╎─────────────────────────────────────────────────.</span> -<span id="L418" class="LineNr">418 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L419" class="LineNr">419 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: missing type for 'x' in 'x <- copy 0' ╎ .</span> -<span id="L420" class="LineNr">420 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: can't copy '0' to 'x'; types don't <a href='../065duplex_list.mu.html#L585'>match</a> ╎ .</span> -<span id="L421" class="LineNr">421 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L422" class="LineNr">422 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L415" class="LineNr">415 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L416" class="LineNr">416 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L417" class="LineNr">417 </span> <span class="Constant"> . x <- copy 0 ╎─────────────────────────────────────────────────.</span> +<span id="L418" class="LineNr">418 </span> <span class="Constant"> .] ╎ .</span> +<span id="L419" class="LineNr">419 </span> <span class="Constant"> .foo: missing type for 'x' in 'x <- copy 0' ╎ .</span> +<span id="L420" class="LineNr">420 </span> <span class="Constant"> .foo: can't copy '0' to 'x'; types don't match ╎ .</span> +<span id="L421" class="LineNr">421 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L422" class="LineNr">422 </span> <span class="Constant"> . ╎ .</span> <span id="L423" class="LineNr">423 </span> ] <span id="L424" class="LineNr">424 </span>] <span id="L425" class="LineNr">425 </span> @@ -492,26 +491,26 @@ if ('onhashchange' in window) { <span id="L429" class="LineNr">429 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L430" class="LineNr">430 </span> <span class="Comment"># recipe is incomplete (unbalanced '[')</span> <span id="L431" class="LineNr">431 </span> assume-resources [ -<span id="L432" class="LineNr">432 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L433" class="LineNr">433 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo \\\<span class="Constant">[|</span> -<span id="L434" class="LineNr">434 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | x <- copy 0|</span> -<span id="L435" class="LineNr">435 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> ]</span> +<span id="L432" class="LineNr">432 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L433" class="LineNr">433 </span> <span class="Constant">|recipe</span> foo \\\<span class="Constant">[|</span> +<span id="L434" class="LineNr">434 </span><span class="Constant"> | x <- copy 0|</span> +<span id="L435" class="LineNr">435 </span><span class="Constant"> ]</span> <span id="L436" class="LineNr">436 </span> ] -<span id="L437" class="LineNr">437 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L438" class="LineNr">438 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L437" class="LineNr">437 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L438" class="LineNr">438 </span> render-all screen, env, render <span id="L439" class="LineNr">439 </span> assume-console [ -<span id="L440" class="LineNr">440 </span> <span class="Conceal">¦</span> press F4 +<span id="L440" class="LineNr">440 </span> press F4 <span id="L441" class="LineNr">441 </span> ] <span id="L442" class="LineNr">442 </span> run [ -<span id="L443" class="LineNr">443 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L443" class="LineNr">443 </span> event-loop screen, console, env, resources <span id="L444" class="LineNr">444 </span> ] <span id="L445" class="LineNr">445 </span> screen-should-contain [ -<span id="L446" class="LineNr">446 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L447" class="LineNr">447 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo \\[ ╎foo .</span> -<span id="L448" class="LineNr">448 </span> <span class="Conceal">¦</span><span class="Constant"> . x <- copy 0 ╎─────────────────────────────────────────────────.</span> -<span id="L449" class="LineNr">449 </span> <span class="Conceal">¦</span><span class="Constant"> .9: unbalanced '\\[' for recipe ╎ .</span> -<span id="L450" class="LineNr">450 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L451" class="LineNr">451 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L446" class="LineNr">446 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L447" class="LineNr">447 </span> <span class="Constant"> .recipe foo \\[ ╎foo .</span> +<span id="L448" class="LineNr">448 </span> <span class="Constant"> . x <- copy 0 ╎─────────────────────────────────────────────────.</span> +<span id="L449" class="LineNr">449 </span> <span class="Constant"> .9: unbalanced '\\[' for recipe ╎ .</span> +<span id="L450" class="LineNr">450 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L451" class="LineNr">451 </span> <span class="Constant"> . ╎ .</span> <span id="L452" class="LineNr">452 </span> ] <span id="L453" class="LineNr">453 </span>] <span id="L454" class="LineNr">454 </span> @@ -520,33 +519,33 @@ if ('onhashchange' in window) { <span id="L457" class="LineNr">457 </span> trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span> <span id="L458" class="LineNr">458 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L459" class="LineNr">459 </span> assume-resources [ -<span id="L460" class="LineNr">460 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L461" class="LineNr">461 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L462" class="LineNr">462 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | local-scope|</span> -<span id="L463" class="LineNr">463 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | x:&:point <- new point:type|</span> -<span id="L464" class="LineNr">464 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | get x:&:point, 1:offset|</span> -<span id="L465" class="LineNr">465 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L466" class="LineNr">466 </span> <span class="Conceal">¦</span> ] +<span id="L460" class="LineNr">460 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L461" class="LineNr">461 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L462" class="LineNr">462 </span><span class="Constant"> | local-scope|</span> +<span id="L463" class="LineNr">463 </span><span class="Constant"> | x:&:point <- new point:type|</span> +<span id="L464" class="LineNr">464 </span><span class="Constant"> | get x:&:point, 1:offset|</span> +<span id="L465" class="LineNr">465 </span><span class="Constant"> |]</span>| +<span id="L466" class="LineNr">466 </span> ] <span id="L467" class="LineNr">467 </span> ] -<span id="L468" class="LineNr">468 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L469" class="LineNr">469 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L468" class="LineNr">468 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L469" class="LineNr">469 </span> render-all screen, env, render <span id="L470" class="LineNr">470 </span> assume-console [ -<span id="L471" class="LineNr">471 </span> <span class="Conceal">¦</span> press F4 +<span id="L471" class="LineNr">471 </span> press F4 <span id="L472" class="LineNr">472 </span> ] <span id="L473" class="LineNr">473 </span> run [ -<span id="L474" class="LineNr">474 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L474" class="LineNr">474 </span> event-loop screen, console, env, resources <span id="L475" class="LineNr">475 </span> ] <span id="L476" class="LineNr">476 </span> screen-should-contain [ -<span id="L477" class="LineNr">477 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L478" class="LineNr">478 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L479" class="LineNr">479 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L480" class="LineNr">480 </span> <span class="Conceal">¦</span><span class="Constant"> . x:&:point <- new point:type ╎ .</span> -<span id="L481" class="LineNr">481 </span> <span class="Conceal">¦</span><span class="Constant"> . get x:&:point, 1:offset ╎ .</span> -<span id="L482" class="LineNr">482 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L483" class="LineNr">483 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: first ingredient of 'get' should be a contai↩╎ .</span> -<span id="L484" class="LineNr">484 </span> <span class="Conceal">¦</span><span class="Constant"> .ner, but got 'x:&:point' ╎ .</span> -<span id="L485" class="LineNr">485 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L486" class="LineNr">486 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L477" class="LineNr">477 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L478" class="LineNr">478 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L479" class="LineNr">479 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L480" class="LineNr">480 </span> <span class="Constant"> . x:&:point <- new point:type ╎ .</span> +<span id="L481" class="LineNr">481 </span> <span class="Constant"> . get x:&:point, 1:offset ╎ .</span> +<span id="L482" class="LineNr">482 </span> <span class="Constant"> .] ╎ .</span> +<span id="L483" class="LineNr">483 </span> <span class="Constant"> .foo: first ingredient of 'get' should be a contai↩╎ .</span> +<span id="L484" class="LineNr">484 </span> <span class="Constant"> .ner, but got 'x:&:point' ╎ .</span> +<span id="L485" class="LineNr">485 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L486" class="LineNr">486 </span> <span class="Constant"> . ╎ .</span> <span id="L487" class="LineNr">487 </span> ] <span id="L488" class="LineNr">488 </span>] <span id="L489" class="LineNr">489 </span> @@ -555,35 +554,35 @@ if ('onhashchange' in window) { <span id="L492" class="LineNr">492 </span> trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span> <span id="L493" class="LineNr">493 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L494" class="LineNr">494 </span> assume-resources [ -<span id="L495" class="LineNr">495 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L496" class="LineNr">496 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L497" class="LineNr">497 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | local-scope|</span> -<span id="L498" class="LineNr">498 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | x:num <- copy 0|</span> -<span id="L499" class="LineNr">499 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | y:&:point <- new point:type|</span> -<span id="L500" class="LineNr">500 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | get *y:&:point, x:num|</span> -<span id="L501" class="LineNr">501 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L502" class="LineNr">502 </span> <span class="Conceal">¦</span> ] +<span id="L495" class="LineNr">495 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L496" class="LineNr">496 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L497" class="LineNr">497 </span><span class="Constant"> | local-scope|</span> +<span id="L498" class="LineNr">498 </span><span class="Constant"> | x:num <- copy 0|</span> +<span id="L499" class="LineNr">499 </span><span class="Constant"> | y:&:point <- new point:type|</span> +<span id="L500" class="LineNr">500 </span><span class="Constant"> | get *y:&:point, x:num|</span> +<span id="L501" class="LineNr">501 </span><span class="Constant"> |]</span>| +<span id="L502" class="LineNr">502 </span> ] <span id="L503" class="LineNr">503 </span> ] -<span id="L504" class="LineNr">504 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L505" class="LineNr">505 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L504" class="LineNr">504 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L505" class="LineNr">505 </span> render-all screen, env, render <span id="L506" class="LineNr">506 </span> assume-console [ -<span id="L507" class="LineNr">507 </span> <span class="Conceal">¦</span> press F4 +<span id="L507" class="LineNr">507 </span> press F4 <span id="L508" class="LineNr">508 </span> ] <span id="L509" class="LineNr">509 </span> run [ -<span id="L510" class="LineNr">510 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L510" class="LineNr">510 </span> event-loop screen, console, env, resources <span id="L511" class="LineNr">511 </span> ] <span id="L512" class="LineNr">512 </span> screen-should-contain [ -<span id="L513" class="LineNr">513 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L514" class="LineNr">514 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L515" class="LineNr">515 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L516" class="LineNr">516 </span> <span class="Conceal">¦</span><span class="Constant"> . x:num <- copy 0 ╎ .</span> -<span id="L517" class="LineNr">517 </span> <span class="Conceal">¦</span><span class="Constant"> . y:&:point <- new point:type ╎ .</span> -<span id="L518" class="LineNr">518 </span> <span class="Conceal">¦</span><span class="Constant"> . get *y:&:point, x:num ╎ .</span> -<span id="L519" class="LineNr">519 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L520" class="LineNr">520 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: second ingredient of 'get' should have type ↩╎ .</span> -<span id="L521" class="LineNr">521 </span> <span class="Conceal">¦</span><span class="Constant"> .'offset', but got 'x:num' ╎ .</span> -<span id="L522" class="LineNr">522 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L523" class="LineNr">523 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L513" class="LineNr">513 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L514" class="LineNr">514 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L515" class="LineNr">515 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L516" class="LineNr">516 </span> <span class="Constant"> . x:num <- copy 0 ╎ .</span> +<span id="L517" class="LineNr">517 </span> <span class="Constant"> . y:&:point <- new point:type ╎ .</span> +<span id="L518" class="LineNr">518 </span> <span class="Constant"> . get *y:&:point, x:num ╎ .</span> +<span id="L519" class="LineNr">519 </span> <span class="Constant"> .] ╎ .</span> +<span id="L520" class="LineNr">520 </span> <span class="Constant"> .foo: second ingredient of 'get' should have type ↩╎ .</span> +<span id="L521" class="LineNr">521 </span> <span class="Constant"> .'offset', but got 'x:num' ╎ .</span> +<span id="L522" class="LineNr">522 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L523" class="LineNr">523 </span> <span class="Constant"> . ╎ .</span> <span id="L524" class="LineNr">524 </span> ] <span id="L525" class="LineNr">525 </span>] <span id="L526" class="LineNr">526 </span> @@ -593,47 +592,47 @@ if ('onhashchange' in window) { <span id="L530" class="LineNr">530 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L531" class="LineNr">531 </span> <span class="Comment"># try to run a file with an error</span> <span id="L532" class="LineNr">532 </span> assume-resources [ -<span id="L533" class="LineNr">533 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L534" class="LineNr">534 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L535" class="LineNr">535 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | local-scope|</span> -<span id="L536" class="LineNr">536 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | x:num <- copy y:num|</span> -<span id="L537" class="LineNr">537 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L538" class="LineNr">538 </span> <span class="Conceal">¦</span> ] +<span id="L533" class="LineNr">533 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L534" class="LineNr">534 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L535" class="LineNr">535 </span><span class="Constant"> | local-scope|</span> +<span id="L536" class="LineNr">536 </span><span class="Constant"> | x:num <- copy y:num|</span> +<span id="L537" class="LineNr">537 </span><span class="Constant"> |]</span>| +<span id="L538" class="LineNr">538 </span> ] <span id="L539" class="LineNr">539 </span> ] -<span id="L540" class="LineNr">540 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L541" class="LineNr">541 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L540" class="LineNr">540 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L541" class="LineNr">541 </span> render-all screen, env, render <span id="L542" class="LineNr">542 </span> assume-console [ -<span id="L543" class="LineNr">543 </span> <span class="Conceal">¦</span> press F4 +<span id="L543" class="LineNr">543 </span> press F4 <span id="L544" class="LineNr">544 </span> ] -<span id="L545" class="LineNr">545 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L545" class="LineNr">545 </span> event-loop screen, console, env, resources <span id="L546" class="LineNr">546 </span> screen-should-contain [ -<span id="L547" class="LineNr">547 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L548" class="LineNr">548 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L549" class="LineNr">549 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L550" class="LineNr">550 </span> <span class="Conceal">¦</span><span class="Constant"> . x:num <- copy y:num ╎ .</span> -<span id="L551" class="LineNr">551 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L552" class="LineNr">552 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: tried to read ingredient 'y' in 'x:num <- co↩╎ .</span> -<span id="L553" class="LineNr">553 </span> <span class="Conceal">¦</span><span class="Constant"> .py y:num' but it hasn't been written to yet ╎ .</span> -<span id="L554" class="LineNr">554 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L555" class="LineNr">555 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L547" class="LineNr">547 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L548" class="LineNr">548 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L549" class="LineNr">549 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L550" class="LineNr">550 </span> <span class="Constant"> . x:num <- copy y:num ╎ .</span> +<span id="L551" class="LineNr">551 </span> <span class="Constant"> .] ╎ .</span> +<span id="L552" class="LineNr">552 </span> <span class="Constant"> .foo: tried to read ingredient 'y' in 'x:num <- co↩╎ .</span> +<span id="L553" class="LineNr">553 </span> <span class="Constant"> .py y:num' but it hasn't been written to yet ╎ .</span> +<span id="L554" class="LineNr">554 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L555" class="LineNr">555 </span> <span class="Constant"> . ╎ .</span> <span id="L556" class="LineNr">556 </span> ] <span id="L557" class="LineNr">557 </span> <span class="Comment"># rerun the file, check for the same error</span> <span id="L558" class="LineNr">558 </span> assume-console [ -<span id="L559" class="LineNr">559 </span> <span class="Conceal">¦</span> press F4 +<span id="L559" class="LineNr">559 </span> press F4 <span id="L560" class="LineNr">560 </span> ] <span id="L561" class="LineNr">561 </span> run [ -<span id="L562" class="LineNr">562 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L562" class="LineNr">562 </span> event-loop screen, console, env, resources <span id="L563" class="LineNr">563 </span> ] <span id="L564" class="LineNr">564 </span> screen-should-contain [ -<span id="L565" class="LineNr">565 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L566" class="LineNr">566 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L567" class="LineNr">567 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L568" class="LineNr">568 </span> <span class="Conceal">¦</span><span class="Constant"> . x:num <- copy y:num ╎ .</span> -<span id="L569" class="LineNr">569 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L570" class="LineNr">570 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: tried to read ingredient 'y' in 'x:num <- co↩╎ .</span> -<span id="L571" class="LineNr">571 </span> <span class="Conceal">¦</span><span class="Constant"> .py y:num' but it hasn't been written to yet ╎ .</span> -<span id="L572" class="LineNr">572 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L573" class="LineNr">573 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L565" class="LineNr">565 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L566" class="LineNr">566 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L567" class="LineNr">567 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L568" class="LineNr">568 </span> <span class="Constant"> . x:num <- copy y:num ╎ .</span> +<span id="L569" class="LineNr">569 </span> <span class="Constant"> .] ╎ .</span> +<span id="L570" class="LineNr">570 </span> <span class="Constant"> .foo: tried to read ingredient 'y' in 'x:num <- co↩╎ .</span> +<span id="L571" class="LineNr">571 </span> <span class="Constant"> .py y:num' but it hasn't been written to yet ╎ .</span> +<span id="L572" class="LineNr">572 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L573" class="LineNr">573 </span> <span class="Constant"> . ╎ .</span> <span id="L574" class="LineNr">574 </span> ] <span id="L575" class="LineNr">575 </span>] <span id="L576" class="LineNr">576 </span> @@ -643,48 +642,48 @@ if ('onhashchange' in window) { <span id="L580" class="LineNr">580 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span> <span id="L581" class="LineNr">581 </span> <span class="Comment"># try to run a file with an error</span> <span id="L582" class="LineNr">582 </span> assume-resources [ -<span id="L583" class="LineNr">583 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L584" class="LineNr">584 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L585" class="LineNr">585 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | local-scope|</span> -<span id="L586" class="LineNr">586 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | x:num <- copy y:num|</span> -<span id="L587" class="LineNr">587 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L588" class="LineNr">588 </span> <span class="Conceal">¦</span> ] +<span id="L583" class="LineNr">583 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L584" class="LineNr">584 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L585" class="LineNr">585 </span><span class="Constant"> | local-scope|</span> +<span id="L586" class="LineNr">586 </span><span class="Constant"> | x:num <- copy y:num|</span> +<span id="L587" class="LineNr">587 </span><span class="Constant"> |]</span>| +<span id="L588" class="LineNr">588 </span> ] <span id="L589" class="LineNr">589 </span> ] -<span id="L590" class="LineNr">590 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L591" class="LineNr">591 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L590" class="LineNr">590 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L591" class="LineNr">591 </span> render-all screen, env, render <span id="L592" class="LineNr">592 </span> assume-console [ -<span id="L593" class="LineNr">593 </span> <span class="Conceal">¦</span> press F4 +<span id="L593" class="LineNr">593 </span> press F4 <span id="L594" class="LineNr">594 </span> ] -<span id="L595" class="LineNr">595 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L595" class="LineNr">595 </span> event-loop screen, console, env, resources <span id="L596" class="LineNr">596 </span> screen-should-contain [ -<span id="L597" class="LineNr">597 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L598" class="LineNr">598 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎foo .</span> -<span id="L599" class="LineNr">599 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L600" class="LineNr">600 </span> <span class="Conceal">¦</span><span class="Constant"> . x:num <- copy y:num ╎ .</span> -<span id="L601" class="LineNr">601 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L602" class="LineNr">602 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: tried to read ingredient 'y' in 'x:num <- co↩╎ .</span> -<span id="L603" class="LineNr">603 </span> <span class="Conceal">¦</span><span class="Constant"> .py y:num' but it hasn't been written to yet ╎ .</span> -<span id="L604" class="LineNr">604 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L605" class="LineNr">605 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L597" class="LineNr">597 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L598" class="LineNr">598 </span> <span class="Constant"> .recipe foo [ ╎foo .</span> +<span id="L599" class="LineNr">599 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L600" class="LineNr">600 </span> <span class="Constant"> . x:num <- copy y:num ╎ .</span> +<span id="L601" class="LineNr">601 </span> <span class="Constant"> .] ╎ .</span> +<span id="L602" class="LineNr">602 </span> <span class="Constant"> .foo: tried to read ingredient 'y' in 'x:num <- co↩╎ .</span> +<span id="L603" class="LineNr">603 </span> <span class="Constant"> .py y:num' but it hasn't been written to yet ╎ .</span> +<span id="L604" class="LineNr">604 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L605" class="LineNr">605 </span> <span class="Constant"> . ╎ .</span> <span id="L606" class="LineNr">606 </span> ] <span id="L607" class="LineNr">607 </span> <span class="Comment"># fix the error, hit F4</span> <span id="L608" class="LineNr">608 </span> assume-console [ -<span id="L609" class="LineNr">609 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 16</span> -<span id="L610" class="LineNr">610 </span> <span class="Conceal">¦</span> press ctrl-k -<span id="L611" class="LineNr">611 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> -<span id="L612" class="LineNr">612 </span> <span class="Conceal">¦</span> press F4 +<span id="L609" class="LineNr">609 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 16</span> +<span id="L610" class="LineNr">610 </span> press ctrl-k +<span id="L611" class="LineNr">611 </span> type <span class="Constant">[0]</span> +<span id="L612" class="LineNr">612 </span> press F4 <span id="L613" class="LineNr">613 </span> ] -<span id="L614" class="LineNr">614 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L614" class="LineNr">614 </span> event-loop screen, console, env, resources <span id="L615" class="LineNr">615 </span> <span class="Comment"># no error anymore</span> <span id="L616" class="LineNr">616 </span> screen-should-contain [ -<span id="L617" class="LineNr">617 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span> -<span id="L618" class="LineNr">618 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L619" class="LineNr">619 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L620" class="LineNr">620 </span> <span class="Conceal">¦</span><span class="Constant"> . x:num <- copy 0 ╎0 edit copy to recipe delete .</span> -<span id="L621" class="LineNr">621 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎foo .</span> -<span id="L622" class="LineNr">622 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L623" class="LineNr">623 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L624" class="LineNr">624 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L617" class="LineNr">617 </span> <span class="Constant"> . run (F4) .</span> +<span id="L618" class="LineNr">618 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L619" class="LineNr">619 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L620" class="LineNr">620 </span> <span class="Constant"> . x:num <- copy 0 ╎0 edit copy to recipe delete .</span> +<span id="L621" class="LineNr">621 </span> <span class="Constant"> .] ╎foo .</span> +<span id="L622" class="LineNr">622 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L623" class="LineNr">623 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L624" class="LineNr">624 </span> <span class="Constant"> . ╎ .</span> <span id="L625" class="LineNr">625 </span> ] <span id="L626" class="LineNr">626 </span>] <span id="L627" class="LineNr">627 </span> @@ -694,31 +693,31 @@ if ('onhashchange' in window) { <span id="L631" class="LineNr">631 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">5/height</span> <span id="L632" class="LineNr">632 </span> <span class="Comment"># recipe overflows recipe side</span> <span id="L633" class="LineNr">633 </span> assume-resources [ -<span id="L634" class="LineNr">634 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L635" class="LineNr">635 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L636" class="LineNr">636 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | a:num <- copy 0| # padding to overflow recipe side</span> -<span id="L637" class="LineNr">637 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | b:num <- copy 0| # padding to overflow recipe side</span> -<span id="L638" class="LineNr">638 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | get 123:num, foo:offset| # line containing error</span> -<span id="L639" class="LineNr">639 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L640" class="LineNr">640 </span> <span class="Conceal">¦</span> ] +<span id="L634" class="LineNr">634 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L635" class="LineNr">635 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L636" class="LineNr">636 </span><span class="Constant"> | a:num <- copy 0| # padding to overflow recipe side</span> +<span id="L637" class="LineNr">637 </span><span class="Constant"> | b:num <- copy 0| # padding to overflow recipe side</span> +<span id="L638" class="LineNr">638 </span><span class="Constant"> | get 123:num, foo:offset| # line containing error</span> +<span id="L639" class="LineNr">639 </span><span class="Constant"> |]</span>| +<span id="L640" class="LineNr">640 </span> ] <span id="L641" class="LineNr">641 </span> ] -<span id="L642" class="LineNr">642 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L643" class="LineNr">643 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L642" class="LineNr">642 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L643" class="LineNr">643 </span> render-all screen, env, render <span id="L644" class="LineNr">644 </span> <span class="Comment"># hit F4, generating errors, then scroll down</span> <span id="L645" class="LineNr">645 </span> assume-console [ -<span id="L646" class="LineNr">646 </span> <span class="Conceal">¦</span> press F4 -<span id="L647" class="LineNr">647 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L646" class="LineNr">646 </span> press F4 +<span id="L647" class="LineNr">647 </span> press page-down <span id="L648" class="LineNr">648 </span> ] <span id="L649" class="LineNr">649 </span> run [ -<span id="L650" class="LineNr">650 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L650" class="LineNr">650 </span> event-loop screen, console, env, resources <span id="L651" class="LineNr">651 </span> ] <span id="L652" class="LineNr">652 </span> <span class="Comment"># errors should be displayed</span> <span id="L653" class="LineNr">653 </span> screen-should-contain [ -<span id="L654" class="LineNr">654 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found run (F4) .</span> -<span id="L655" class="LineNr">655 </span> <span class="Conceal">¦</span><span class="Constant"> . get 123:num, foo:offset ╎foo .</span> -<span id="L656" class="LineNr">656 </span> <span class="Conceal">¦</span><span class="Constant"> .\\] ╎─────────────────────────────────────────────────.</span> -<span id="L657" class="LineNr">657 </span> <span class="Conceal">¦</span><span class="Constant"> .foo: unknown element 'foo' in container 'number' ╎ .</span> -<span id="L658" class="LineNr">658 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L654" class="LineNr">654 </span> <span class="Constant"> . errors found run (F4) .</span> +<span id="L655" class="LineNr">655 </span> <span class="Constant"> . get 123:num, foo:offset ╎foo .</span> +<span id="L656" class="LineNr">656 </span> <span class="Constant"> .\\] ╎─────────────────────────────────────────────────.</span> +<span id="L657" class="LineNr">657 </span> <span class="Constant"> .foo: unknown element 'foo' in container 'number' ╎ .</span> +<span id="L658" class="LineNr">658 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> <span id="L659" class="LineNr">659 </span> ] <span id="L660" class="LineNr">660 </span>] <span id="L661" class="LineNr">661 </span> @@ -729,59 +728,59 @@ if ('onhashchange' in window) { <span id="L666" class="LineNr">666 </span> assume-resources [ <span id="L667" class="LineNr">667 </span> ] <span id="L668" class="LineNr">668 </span> <span class="Comment"># sandbox editor contains an illegal instruction</span> -<span id="L669" class="LineNr">669 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[get 1234:num, foo:offset]</span> -<span id="L670" class="LineNr">670 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L669" class="LineNr">669 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[get 1234:num, foo:offset]</span> +<span id="L670" class="LineNr">670 </span> render-all screen, env, render <span id="L671" class="LineNr">671 </span> assume-console [ -<span id="L672" class="LineNr">672 </span> <span class="Conceal">¦</span> press F4 +<span id="L672" class="LineNr">672 </span> press F4 <span id="L673" class="LineNr">673 </span> ] <span id="L674" class="LineNr">674 </span> run [ -<span id="L675" class="LineNr">675 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L675" class="LineNr">675 </span> event-loop screen, console, env, resources <span id="L676" class="LineNr">676 </span> ] <span id="L677" class="LineNr">677 </span> <span class="Comment"># check that screen prints error message in red</span> <span id="L678" class="LineNr">678 </span> screen-should-contain [ -<span id="L679" class="LineNr">679 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> -<span id="L680" class="LineNr">680 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L681" class="LineNr">681 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L682" class="LineNr">682 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L683" class="LineNr">683 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎get 1234:num, foo:offset .</span> -<span id="L684" class="LineNr">684 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎unknown element 'foo' in container 'number' .</span> -<span id="L685" class="LineNr">685 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎first ingredient of 'get' should be a container,↩.</span> -<span id="L686" class="LineNr">686 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ but got '1234:num' .</span> -<span id="L687" class="LineNr">687 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L688" class="LineNr">688 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L679" class="LineNr">679 </span> <span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L680" class="LineNr">680 </span> <span class="Constant"> . ╎ .</span> +<span id="L681" class="LineNr">681 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L682" class="LineNr">682 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L683" class="LineNr">683 </span> <span class="Constant"> . ╎get 1234:num, foo:offset .</span> +<span id="L684" class="LineNr">684 </span> <span class="Constant"> . ╎unknown element 'foo' in container 'number' .</span> +<span id="L685" class="LineNr">685 </span> <span class="Constant"> . ╎first ingredient of 'get' should be a container,↩.</span> +<span id="L686" class="LineNr">686 </span> <span class="Constant"> . ╎ but got '1234:num' .</span> +<span id="L687" class="LineNr">687 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L688" class="LineNr">688 </span> <span class="Constant"> . ╎ .</span> <span id="L689" class="LineNr">689 </span> ] <span id="L690" class="LineNr">690 </span> screen-should-contain-in-color <span class="Constant">7/white</span>, [ -<span id="L691" class="LineNr">691 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L692" class="LineNr">692 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L693" class="LineNr">693 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L694" class="LineNr">694 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L695" class="LineNr">695 </span> <span class="Conceal">¦</span><span class="Constant"> . get 1234:num, foo:offset .</span> -<span id="L696" class="LineNr">696 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L697" class="LineNr">697 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L698" class="LineNr">698 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L691" class="LineNr">691 </span> <span class="Constant"> . .</span> +<span id="L692" class="LineNr">692 </span> <span class="Constant"> . .</span> +<span id="L693" class="LineNr">693 </span> <span class="Constant"> . .</span> +<span id="L694" class="LineNr">694 </span> <span class="Constant"> . .</span> +<span id="L695" class="LineNr">695 </span> <span class="Constant"> . get 1234:num, foo:offset .</span> +<span id="L696" class="LineNr">696 </span> <span class="Constant"> . .</span> +<span id="L697" class="LineNr">697 </span> <span class="Constant"> . .</span> +<span id="L698" class="LineNr">698 </span> <span class="Constant"> . .</span> <span id="L699" class="LineNr">699 </span> ] <span id="L700" class="LineNr">700 </span> screen-should-contain-in-color <span class="Constant">1/red</span>, [ -<span id="L701" class="LineNr">701 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) .</span> -<span id="L702" class="LineNr">702 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L703" class="LineNr">703 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L704" class="LineNr">704 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L705" class="LineNr">705 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L706" class="LineNr">706 </span> <span class="Conceal">¦</span><span class="Constant"> . unknown element 'foo' in container 'number' .</span> -<span id="L707" class="LineNr">707 </span> <span class="Conceal">¦</span><span class="Constant"> . first ingredient of 'get' should be a container, .</span> -<span id="L708" class="LineNr">708 </span> <span class="Conceal">¦</span><span class="Constant"> . but got '1234:num' .</span> -<span id="L709" class="LineNr">709 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L701" class="LineNr">701 </span> <span class="Constant"> . errors found (0) .</span> +<span id="L702" class="LineNr">702 </span> <span class="Constant"> . .</span> +<span id="L703" class="LineNr">703 </span> <span class="Constant"> . .</span> +<span id="L704" class="LineNr">704 </span> <span class="Constant"> . .</span> +<span id="L705" class="LineNr">705 </span> <span class="Constant"> . .</span> +<span id="L706" class="LineNr">706 </span> <span class="Constant"> . unknown element 'foo' in container 'number' .</span> +<span id="L707" class="LineNr">707 </span> <span class="Constant"> . first ingredient of 'get' should be a container, .</span> +<span id="L708" class="LineNr">708 </span> <span class="Constant"> . but got '1234:num' .</span> +<span id="L709" class="LineNr">709 </span> <span class="Constant"> . .</span> <span id="L710" class="LineNr">710 </span> ] <span id="L711" class="LineNr">711 </span> screen-should-contain-in-color <span class="Constant">245/grey</span>, [ -<span id="L712" class="LineNr">712 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L713" class="LineNr">713 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L714" class="LineNr">714 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L715" class="LineNr">715 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L716" class="LineNr">716 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L717" class="LineNr">717 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L718" class="LineNr">718 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ ↩.</span> -<span id="L719" class="LineNr">719 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L720" class="LineNr">720 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L721" class="LineNr">721 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L712" class="LineNr">712 </span> <span class="Constant"> . .</span> +<span id="L713" class="LineNr">713 </span> <span class="Constant"> . ╎ .</span> +<span id="L714" class="LineNr">714 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L715" class="LineNr">715 </span> <span class="Constant"> . ╎ .</span> +<span id="L716" class="LineNr">716 </span> <span class="Constant"> . ╎ .</span> +<span id="L717" class="LineNr">717 </span> <span class="Constant"> . ╎ .</span> +<span id="L718" class="LineNr">718 </span> <span class="Constant"> . ╎ ↩.</span> +<span id="L719" class="LineNr">719 </span> <span class="Constant"> . ╎ .</span> +<span id="L720" class="LineNr">720 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L721" class="LineNr">721 </span> <span class="Constant"> . ╎ .</span> <span id="L722" class="LineNr">722 </span> ] <span id="L723" class="LineNr">723 </span>] <span id="L724" class="LineNr">724 </span> @@ -792,28 +791,28 @@ if ('onhashchange' in window) { <span id="L729" class="LineNr">729 </span> assume-resources [ <span id="L730" class="LineNr">730 </span> ] <span id="L731" class="LineNr">731 </span> <span class="Comment"># sandbox editor contains an illegal instruction</span> -<span id="L732" class="LineNr">732 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[get 1234:num, foo:offset]</span> -<span id="L733" class="LineNr">733 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L732" class="LineNr">732 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[get 1234:num, foo:offset]</span> +<span id="L733" class="LineNr">733 </span> render-all screen, env, render <span id="L734" class="LineNr">734 </span> <span class="Comment"># run the code in the editors multiple times</span> <span id="L735" class="LineNr">735 </span> assume-console [ -<span id="L736" class="LineNr">736 </span> <span class="Conceal">¦</span> press F4 -<span id="L737" class="LineNr">737 </span> <span class="Conceal">¦</span> press F4 +<span id="L736" class="LineNr">736 </span> press F4 +<span id="L737" class="LineNr">737 </span> press F4 <span id="L738" class="LineNr">738 </span> ] <span id="L739" class="LineNr">739 </span> run [ -<span id="L740" class="LineNr">740 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L740" class="LineNr">740 </span> event-loop screen, console, env, resources <span id="L741" class="LineNr">741 </span> ] <span id="L742" class="LineNr">742 </span> <span class="Comment"># check that screen prints error message just once</span> <span id="L743" class="LineNr">743 </span> screen-should-contain [ -<span id="L744" class="LineNr">744 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> -<span id="L745" class="LineNr">745 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> -<span id="L746" class="LineNr">746 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> -<span id="L747" class="LineNr">747 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span> -<span id="L748" class="LineNr">748 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎get 1234:num, foo:offset .</span> -<span id="L749" class="LineNr">749 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎unknown element 'foo' in container 'number' .</span> -<span id="L750" class="LineNr">750 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎first ingredient of 'get' should be a container,↩.</span> -<span id="L751" class="LineNr">751 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ but got '1234:num' .</span> -<span id="L752" class="LineNr">752 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L753" class="LineNr">753 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L744" class="LineNr">744 </span> <span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L745" class="LineNr">745 </span> <span class="Constant"> . ╎ .</span> +<span id="L746" class="LineNr">746 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span> +<span id="L747" class="LineNr">747 </span> <span class="Constant"> . ╎0 edit copy to recipe delete .</span> +<span id="L748" class="LineNr">748 </span> <span class="Constant"> . ╎get 1234:num, foo:offset .</span> +<span id="L749" class="LineNr">749 </span> <span class="Constant"> . ╎unknown element 'foo' in container 'number' .</span> +<span id="L750" class="LineNr">750 </span> <span class="Constant"> . ╎first ingredient of 'get' should be a container,↩.</span> +<span id="L751" class="LineNr">751 </span> <span class="Constant"> . ╎ but got '1234:num' .</span> +<span id="L752" class="LineNr">752 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L753" class="LineNr">753 </span> <span class="Constant"> . ╎ .</span> <span id="L754" class="LineNr">754 </span> ] <span id="L755" class="LineNr">755 </span>] <span id="L756" class="LineNr">756 </span> @@ -823,33 +822,33 @@ if ('onhashchange' in window) { <span id="L760" class="LineNr">760 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">20/height</span> <span id="L761" class="LineNr">761 </span> <span class="Comment"># sandbox editor will trigger an infinite loop</span> <span id="L762" class="LineNr">762 </span> assume-resources [ -<span id="L763" class="LineNr">763 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L764" class="LineNr">764 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L765" class="LineNr">765 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | {|</span> -<span id="L766" class="LineNr">766 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | loop|</span> -<span id="L767" class="LineNr">767 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | }|</span> -<span id="L768" class="LineNr">768 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]</span>| -<span id="L769" class="LineNr">769 </span> <span class="Conceal">¦</span> ] +<span id="L763" class="LineNr">763 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L764" class="LineNr">764 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L765" class="LineNr">765 </span><span class="Constant"> | {|</span> +<span id="L766" class="LineNr">766 </span><span class="Constant"> | loop|</span> +<span id="L767" class="LineNr">767 </span><span class="Constant"> | }|</span> +<span id="L768" class="LineNr">768 </span><span class="Constant"> |]</span>| +<span id="L769" class="LineNr">769 </span> ] <span id="L770" class="LineNr">770 </span> ] -<span id="L771" class="LineNr">771 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo]</span> -<span id="L772" class="LineNr">772 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L771" class="LineNr">771 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo]</span> +<span id="L772" class="LineNr">772 </span> render-all screen, env, render <span id="L773" class="LineNr">773 </span> <span class="Comment"># run the sandbox</span> <span id="L774" class="LineNr">774 </span> assume-console [ -<span id="L775" class="LineNr">775 </span> <span class="Conceal">¦</span> press F4 +<span id="L775" class="LineNr">775 </span> press F4 <span id="L776" class="LineNr">776 </span> ] <span id="L777" class="LineNr">777 </span> run [ -<span id="L778" class="LineNr">778 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L778" class="LineNr">778 </span> event-loop screen, console, env, resources <span id="L779" class="LineNr">779 </span> ] <span id="L780" class="LineNr">780 </span> screen-should-contain [ -<span id="L781" class="LineNr">781 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> -<span id="L782" class="LineNr">782 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L783" class="LineNr">783 </span> <span class="Conceal">¦</span><span class="Constant"> . { ╎─────────────────────────────────────────────────.</span> -<span id="L784" class="LineNr">784 </span> <span class="Conceal">¦</span><span class="Constant"> . loop ╎0 edit copy to recipe delete .</span> -<span id="L785" class="LineNr">785 </span> <span class="Conceal">¦</span><span class="Constant"> . } ╎foo .</span> -<span id="L786" class="LineNr">786 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎took too long! .</span> -<span id="L787" class="LineNr">787 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> -<span id="L788" class="LineNr">788 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> -<span id="L789" class="LineNr">789 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L781" class="LineNr">781 </span> <span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L782" class="LineNr">782 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L783" class="LineNr">783 </span> <span class="Constant"> . { ╎─────────────────────────────────────────────────.</span> +<span id="L784" class="LineNr">784 </span> <span class="Constant"> . loop ╎0 edit copy to recipe delete .</span> +<span id="L785" class="LineNr">785 </span> <span class="Constant"> . } ╎foo .</span> +<span id="L786" class="LineNr">786 </span> <span class="Constant"> .] ╎took too long! .</span> +<span id="L787" class="LineNr">787 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L788" class="LineNr">788 </span> <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎ .</span> +<span id="L789" class="LineNr">789 </span> <span class="Constant"> . ╎ .</span> <span id="L790" class="LineNr">790 </span> ] <span id="L791" class="LineNr">791 </span>] <span id="L792" class="LineNr">792 </span> @@ -859,56 +858,56 @@ if ('onhashchange' in window) { <span id="L796" class="LineNr">796 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span> <span id="L797" class="LineNr">797 </span> <span class="Comment"># generate a stash and a error</span> <span id="L798" class="LineNr">798 </span> assume-resources [ -<span id="L799" class="LineNr">799 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ -<span id="L800" class="LineNr">800 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> -<span id="L801" class="LineNr">801 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | local-scope|</span> -<span id="L802" class="LineNr">802 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | a:num <- next-ingredient|</span> -<span id="L803" class="LineNr">803 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | b:num <- next-ingredient|</span> -<span id="L804" class="LineNr">804 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | stash [dividing by]</span>, b| -<span id="L805" class="LineNr">805 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|</span> _, c:num <span class="Special"><-</span> divide-with-remainder a, b| -<span id="L806" class="LineNr">806 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|</span> <span class="muControl"> reply</span> b| -<span id="L807" class="LineNr">807 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]|</span> -<span id="L808" class="LineNr">808 </span> <span class="Conceal">¦</span> ] +<span id="L799" class="LineNr">799 </span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [ +<span id="L800" class="LineNr">800 </span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span> +<span id="L801" class="LineNr">801 </span><span class="Constant"> | local-scope|</span> +<span id="L802" class="LineNr">802 </span><span class="Constant"> | a:num <- next-ingredient|</span> +<span id="L803" class="LineNr">803 </span><span class="Constant"> | b:num <- next-ingredient|</span> +<span id="L804" class="LineNr">804 </span><span class="Constant"> | stash [dividing by]</span>, b| +<span id="L805" class="LineNr">805 </span> <span class="Constant">|</span> _, c:num <span class="Special"><-</span> divide-with-remainder a, b| +<span id="L806" class="LineNr">806 </span> <span class="Constant">|</span> <span class="muControl"> reply</span> b| +<span id="L807" class="LineNr">807 </span><span class="Constant"> |]|</span> +<span id="L808" class="LineNr">808 </span> ] <span id="L809" class="LineNr">809 </span> ] -<span id="L810" class="LineNr">810 </span> env:&:environment <span class="Special"><-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[foo 4, 0]</span> -<span id="L811" class="LineNr">811 </span> <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a> +<span id="L810" class="LineNr">810 </span> env:&:environment <span class="Special"><-</span> new-programming-environment resources, screen, <span class="Constant">[foo 4, 0]</span> +<span id="L811" class="LineNr">811 </span> render-all screen, env, render <span id="L812" class="LineNr">812 </span> <span class="Comment"># run</span> <span id="L813" class="LineNr">813 </span> assume-console [ -<span id="L814" class="LineNr">814 </span> <span class="Conceal">¦</span> press F4 +<span id="L814" class="LineNr">814 </span> press F4 <span id="L815" class="LineNr">815 </span> ] -<span id="L816" class="LineNr">816 </span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L816" class="LineNr">816 </span> event-loop screen, console, env, resources <span id="L817" class="LineNr">817 </span> <span class="Comment"># screen prints error message</span> <span id="L818" class="LineNr">818 </span> screen-should-contain [ -<span id="L819" class="LineNr">819 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> -<span id="L820" class="LineNr">820 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L821" class="LineNr">821 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L822" class="LineNr">822 </span> <span class="Conceal">¦</span><span class="Constant"> . a:num <- next-ingredient ╎0 edit copy to recipe delete .</span> -<span id="L823" class="LineNr">823 </span> <span class="Conceal">¦</span><span class="Constant"> . b:num <- next-ingredient ╎foo 4, 0 .</span> -<span id="L824" class="LineNr">824 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [dividing by], b ╎foo: divide by zero in '_, c:num <- divide-with-↩.</span> -<span id="L825" class="LineNr">825 </span> <span class="Conceal">¦</span><span class="Constant"> . _, c:num <- divide-with-remainder a, b ╎remainder a, b' .</span> -<span id="L826" class="LineNr">826 </span> <span class="Conceal">¦</span><span class="Constant"> . reply b ╎─────────────────────────────────────────────────.</span> -<span id="L827" class="LineNr">827 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎ .</span> -<span id="L828" class="LineNr">828 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span> +<span id="L819" class="LineNr">819 </span> <span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L820" class="LineNr">820 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L821" class="LineNr">821 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L822" class="LineNr">822 </span> <span class="Constant"> . a:num <- next-ingredient ╎0 edit copy to recipe delete .</span> +<span id="L823" class="LineNr">823 </span> <span class="Constant"> . b:num <- next-ingredient ╎foo 4, 0 .</span> +<span id="L824" class="LineNr">824 </span> <span class="Constant"> . stash [dividing by], b ╎foo: divide by zero in '_, c:num <- divide-with-↩.</span> +<span id="L825" class="LineNr">825 </span> <span class="Constant"> . _, c:num <- divide-with-remainder a, b ╎remainder a, b' .</span> +<span id="L826" class="LineNr">826 </span> <span class="Constant"> . reply b ╎─────────────────────────────────────────────────.</span> +<span id="L827" class="LineNr">827 </span> <span class="Constant"> .] ╎ .</span> +<span id="L828" class="LineNr">828 </span> <span class="Constant"> . ╎ .</span> <span id="L829" class="LineNr">829 </span> ] <span id="L830" class="LineNr">830 </span> <span class="Comment"># click on the call in the sandbox</span> <span id="L831" class="LineNr">831 </span> assume-console [ -<span id="L832" class="LineNr">832 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 55</span> +<span id="L832" class="LineNr">832 </span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 55</span> <span id="L833" class="LineNr">833 </span> ] <span id="L834" class="LineNr">834 </span> run [ -<span id="L835" class="LineNr">835 </span> <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a> +<span id="L835" class="LineNr">835 </span> event-loop screen, console, env, resources <span id="L836" class="LineNr">836 </span> ] <span id="L837" class="LineNr">837 </span> <span class="Comment"># screen should expand trace</span> <span id="L838" class="LineNr">838 </span> screen-should-contain [ -<span id="L839" class="LineNr">839 </span> <span class="Conceal">¦</span><span class="Constant"> . errors found (0) run (F4) .</span> -<span id="L840" class="LineNr">840 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span> -<span id="L841" class="LineNr">841 </span> <span class="Conceal">¦</span><span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> -<span id="L842" class="LineNr">842 </span> <span class="Conceal">¦</span><span class="Constant"> . a:num <- next-ingredient ╎0 edit copy to recipe delete .</span> -<span id="L843" class="LineNr">843 </span> <span class="Conceal">¦</span><span class="Constant"> . b:num <- next-ingredient ╎foo 4, 0 .</span> -<span id="L844" class="LineNr">844 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [dividing by], b ╎dividing by 0 .</span> -<span id="L845" class="LineNr">845 </span> <span class="Conceal">¦</span><span class="Constant"> . _, c:num <- divide-with-remainder a, b ╎14 instructions run .</span> -<span id="L846" class="LineNr">846 </span> <span class="Conceal">¦</span><span class="Constant"> . reply b ╎foo: divide by zero in '_, c:num <- divide-with-↩.</span> -<span id="L847" class="LineNr">847 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎remainder a, b' .</span> -<span id="L848" class="LineNr">848 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span> +<span id="L839" class="LineNr">839 </span> <span class="Constant"> . errors found (0) run (F4) .</span> +<span id="L840" class="LineNr">840 </span> <span class="Constant"> .recipe foo [ ╎ .</span> +<span id="L841" class="LineNr">841 </span> <span class="Constant"> . local-scope ╎─────────────────────────────────────────────────.</span> +<span id="L842" class="LineNr">842 </span> <span class="Constant"> . a:num <- next-ingredient ╎0 edit copy to recipe delete .</span> +<span id="L843" class="LineNr">843 </span> <span class="Constant"> . b:num <- next-ingredient ╎foo 4, 0 .</span> +<span id="L844" class="LineNr">844 </span> <span class="Constant"> . stash [dividing by], b ╎dividing by 0 .</span> +<span id="L845" class="LineNr">845 </span> <span class="Constant"> . _, c:num <- divide-with-remainder a, b ╎14 instructions run .</span> +<span id="L846" class="LineNr">846 </span> <span class="Constant"> . reply b ╎foo: divide by zero in '_, c:num <- divide-with-↩.</span> +<span id="L847" class="LineNr">847 </span> <span class="Constant"> .] ╎remainder a, b' .</span> +<span id="L848" class="LineNr">848 </span> <span class="Constant"> . ╎─────────────────────────────────────────────────.</span> <span id="L849" class="LineNr">849 </span> ] <span id="L850" class="LineNr">850 </span>] </pre> diff --git a/html/edit/012-editor-undo.mu.html b/html/edit/012-editor-undo.mu.html index 9306b1c8..08babb4a 100644 --- a/html/edit/012-editor-undo.mu.html +++ b/html/edit/012-editor-undo.mu.html @@ -15,18 +15,17 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color a { color:#eeeeee; text-decoration: none; } a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } -.Special { color: #c00000; } -.muData { color: #ffff00; } -.LineNr { color: #444444; } +.muControl { color: #c0a020; } +.muRecipe { color: #ff8700; } .muScenario { color: #00af00; } +.LineNr { color: #444444; } .Delimiter { color: #800080; } .Constant { color: #00a0a0; } +.Special { color: #c00000; } +.muData { color: #ffff00; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } .SalientComment { color: #00ffff; } -.Conceal { color: #4e4e4e; } -.muControl { color: #c0a020; } -.muRecipe { color: #ff8700; } --> </style> @@ -65,99 +64,99 @@ if ('onhashchange' in window) { <span id="L2" class="LineNr"> 2 </span> <span id="L3" class="LineNr"> 3 </span><span class="Comment"># for every undoable event, create a type of *operation* that contains all the</span> <span id="L4" class="LineNr"> 4 </span><span class="Comment"># information needed to reverse it</span> -<span id="L5" class="LineNr"> 5 </span><span class="muData">exclusive-container</span> <a href='012-editor-undo.mu.html#L5'>operation</a> [ -<span id="L6" class="LineNr"> 6 </span> typing:<a href='012-editor-undo.mu.html#L11'>insert-operation</a> -<span id="L7" class="LineNr"> 7 </span> move:<a href='012-editor-undo.mu.html#L26'>move-operation</a> -<span id="L8" class="LineNr"> 8 </span> delete:<a href='012-editor-undo.mu.html#L43'>delete-operation</a> +<span id="L5" class="LineNr"> 5 </span><span class="muData">exclusive-container</span> operation [ +<span id="L6" class="LineNr"> 6 </span> typing:insert-operation +<span id="L7" class="LineNr"> 7 </span> move:move-operation +<span id="L8" class="LineNr"> 8 </span> delete:delete-operation <span id="L9" class="LineNr"> 9 </span>] <span id="L10" class="LineNr"> 10 </span> -<span id="L11" class="LineNr"> 11 </span><span class="muData">container</span> <a href='012-editor-undo.mu.html#L11'>insert-operation</a> [ +<span id="L11" class="LineNr"> 11 </span><span class="muData">container</span> insert-operation [ <span id="L12" class="LineNr"> 12 </span> before-row:num <span id="L13" class="LineNr"> 13 </span> before-column:num -<span id="L14" class="LineNr"> 14 </span> before-top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L14" class="LineNr"> 14 </span> before-top-of-screen:&:duplex-list:char <span id="L15" class="LineNr"> 15 </span> after-row:num <span id="L16" class="LineNr"> 16 </span> after-column:num -<span id="L17" class="LineNr"> 17 </span> after-top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L17" class="LineNr"> 17 </span> after-top-of-screen:&:duplex-list:char <span id="L18" class="LineNr"> 18 </span> <span class="Comment"># inserted text is from 'insert-from' until 'insert-until'; list doesn't have to terminate</span> -<span id="L19" class="LineNr"> 19 </span> insert-from:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char -<span id="L20" class="LineNr"> 20 </span> insert-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L19" class="LineNr"> 19 </span> insert-from:&:duplex-list:char +<span id="L20" class="LineNr"> 20 </span> insert-until:&:duplex-list:char <span id="L21" class="LineNr"> 21 </span> tag:num <span class="Comment"># event causing this operation; might be used to coalesce runs of similar events</span> -<span id="L22" class="LineNr"> 22 </span> <span class="Conceal">¦</span> <span class="Comment"># 0: no coalesce (enter+indent)</span> -<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span> <span class="Comment"># 1: regular alphanumeric characters</span> +<span id="L22" class="LineNr"> 22 </span> <span class="Comment"># 0: no coalesce (enter+indent)</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Comment"># 1: regular alphanumeric characters</span> <span id="L24" class="LineNr"> 24 </span>] <span id="L25" class="LineNr"> 25 </span> -<span id="L26" class="LineNr"> 26 </span><span class="muData">container</span> <a href='012-editor-undo.mu.html#L26'>move-operation</a> [ +<span id="L26" class="LineNr"> 26 </span><span class="muData">container</span> move-operation [ <span id="L27" class="LineNr"> 27 </span> before-row:num <span id="L28" class="LineNr"> 28 </span> before-column:num -<span id="L29" class="LineNr"> 29 </span> before-top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L29" class="LineNr"> 29 </span> before-top-of-screen:&:duplex-list:char <span id="L30" class="LineNr"> 30 </span> after-row:num <span id="L31" class="LineNr"> 31 </span> after-column:num -<span id="L32" class="LineNr"> 32 </span> after-top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L32" class="LineNr"> 32 </span> after-top-of-screen:&:duplex-list:char <span id="L33" class="LineNr"> 33 </span> tag:num <span class="Comment"># event causing this operation; might be used to coalesce runs of similar events</span> -<span id="L34" class="LineNr"> 34 </span> <span class="Conceal">¦</span> <span class="Comment"># 0: no coalesce (touch events, etc)</span> -<span id="L35" class="LineNr"> 35 </span> <span class="Conceal">¦</span> <span class="Comment"># 1: left arrow</span> -<span id="L36" class="LineNr"> 36 </span> <span class="Conceal">¦</span> <span class="Comment"># 2: right arrow</span> -<span id="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span> <span class="Comment"># 3: up arrow</span> -<span id="L38" class="LineNr"> 38 </span> <span class="Conceal">¦</span> <span class="Comment"># 4: down arrow</span> -<span id="L39" class="LineNr"> 39 </span> <span class="Conceal">¦</span> <span class="Comment"># 5: line up</span> -<span id="L40" class="LineNr"> 40 </span> <span class="Conceal">¦</span> <span class="Comment"># 6: line down</span> +<span id="L34" class="LineNr"> 34 </span> <span class="Comment"># 0: no coalesce (touch events, etc)</span> +<span id="L35" class="LineNr"> 35 </span> <span class="Comment"># 1: left arrow</span> +<span id="L36" class="LineNr"> 36 </span> <span class="Comment"># 2: right arrow</span> +<span id="L37" class="LineNr"> 37 </span> <span class="Comment"># 3: up arrow</span> +<span id="L38" class="LineNr"> 38 </span> <span class="Comment"># 4: down arrow</span> +<span id="L39" class="LineNr"> 39 </span> <span class="Comment"># 5: line up</span> +<span id="L40" class="LineNr"> 40 </span> <span class="Comment"># 6: line down</span> <span id="L41" class="LineNr"> 41 </span>] <span id="L42" class="LineNr"> 42 </span> -<span id="L43" class="LineNr"> 43 </span><span class="muData">container</span> <a href='012-editor-undo.mu.html#L43'>delete-operation</a> [ +<span id="L43" class="LineNr"> 43 </span><span class="muData">container</span> delete-operation [ <span id="L44" class="LineNr"> 44 </span> before-row:num <span id="L45" class="LineNr"> 45 </span> before-column:num -<span id="L46" class="LineNr"> 46 </span> before-top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L46" class="LineNr"> 46 </span> before-top-of-screen:&:duplex-list:char <span id="L47" class="LineNr"> 47 </span> after-row:num <span id="L48" class="LineNr"> 48 </span> after-column:num -<span id="L49" class="LineNr"> 49 </span> after-top-of-screen:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char -<span id="L50" class="LineNr"> 50 </span> deleted-text:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char -<span id="L51" class="LineNr"> 51 </span> delete-from:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char -<span id="L52" class="LineNr"> 52 </span> delete-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char +<span id="L49" class="LineNr"> 49 </span> after-top-of-screen:&:duplex-list:char +<span id="L50" class="LineNr"> 50 </span> deleted-text:&:duplex-list:char +<span id="L51" class="LineNr"> 51 </span> delete-from:&:duplex-list:char +<span id="L52" class="LineNr"> 52 </span> delete-until:&:duplex-list:char <span id="L53" class="LineNr"> 53 </span> tag:num <span class="Comment"># event causing this operation; might be used to coalesce runs of similar events</span> -<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span> <span class="Comment"># 0: no coalesce (ctrl-k, ctrl-u)</span> -<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span> <span class="Comment"># 1: backspace</span> -<span id="L56" class="LineNr"> 56 </span> <span class="Conceal">¦</span> <span class="Comment"># 2: delete</span> +<span id="L54" class="LineNr"> 54 </span> <span class="Comment"># 0: no coalesce (ctrl-k, ctrl-u)</span> +<span id="L55" class="LineNr"> 55 </span> <span class="Comment"># 1: backspace</span> +<span id="L56" class="LineNr"> 56 </span> <span class="Comment"># 2: delete</span> <span id="L57" class="LineNr"> 57 </span>] <span id="L58" class="LineNr"> 58 </span> <span id="L59" class="LineNr"> 59 </span><span class="Comment"># every editor accumulates a list of operations to undo/redo</span> <span id="L60" class="LineNr"> 60 </span><span class="muData">container</span> editor [ -<span id="L61" class="LineNr"> 61 </span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> -<span id="L62" class="LineNr"> 62 </span> redo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> +<span id="L61" class="LineNr"> 61 </span> undo:&:list:&:operation +<span id="L62" class="LineNr"> 62 </span> redo:&:list:&:operation <span id="L63" class="LineNr"> 63 </span>] <span id="L64" class="LineNr"> 64 </span> <span id="L65" class="LineNr"> 65 </span><span class="Comment"># ctrl-z - undo operation</span> -<span id="L66" class="LineNr"> 66 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L66" class="LineNr"> 66 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L67" class="LineNr"> 67 </span> <span class="Delimiter">{</span> -<span id="L68" class="LineNr"> 68 </span> <span class="Conceal">¦</span> undo?:bool <span class="Special"><-</span> equal c, <span class="Constant">26/ctrl-z</span> -<span id="L69" class="LineNr"> 69 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> undo? -<span id="L70" class="LineNr"> 70 </span> <span class="Conceal">¦</span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> -<span id="L71" class="LineNr"> 71 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> undo -<span id="L72" class="LineNr"> 72 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> first undo -<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span> undo <span class="Special"><-</span> <a href='../064list.mu.html#L24'>rest</a> undo -<span id="L74" class="LineNr"> 74 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">undo:offset</span>, undo -<span id="L75" class="LineNr"> 75 </span> <span class="Conceal">¦</span> redo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">redo:offset</span> -<span id="L76" class="LineNr"> 76 </span> <span class="Conceal">¦</span> redo <span class="Special"><-</span> push op, redo -<span id="L77" class="LineNr"> 77 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">redo:offset</span>, redo -<span id="L78" class="LineNr"> 78 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='012-editor-undo.mu.html#L78'><handle-undo></a></span> -<span id="L79" class="LineNr"> 79 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L68" class="LineNr"> 68 </span> undo?:bool <span class="Special"><-</span> equal c, <span class="Constant">26/ctrl-z</span> +<span id="L69" class="LineNr"> 69 </span> <span class="muControl">break-unless</span> undo? +<span id="L70" class="LineNr"> 70 </span> undo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> +<span id="L71" class="LineNr"> 71 </span> <span class="muControl">break-unless</span> undo +<span id="L72" class="LineNr"> 72 </span> op:&:operation <span class="Special"><-</span> first undo +<span id="L73" class="LineNr"> 73 </span> undo <span class="Special"><-</span> rest undo +<span id="L74" class="LineNr"> 74 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">undo:offset</span>, undo +<span id="L75" class="LineNr"> 75 </span> redo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">redo:offset</span> +<span id="L76" class="LineNr"> 76 </span> redo <span class="Special"><-</span> push op, redo +<span id="L77" class="LineNr"> 77 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">redo:offset</span>, redo +<span id="L78" class="LineNr"> 78 </span><span class="Constant"> <handle-undo></span> +<span id="L79" class="LineNr"> 79 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L80" class="LineNr"> 80 </span> <span class="Delimiter">}</span> <span id="L81" class="LineNr"> 81 </span>] <span id="L82" class="LineNr"> 82 </span> <span id="L83" class="LineNr"> 83 </span><span class="Comment"># ctrl-y - redo operation</span> -<span id="L84" class="LineNr"> 84 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L185'><handle-special-character></a></span> [ +<span id="L84" class="LineNr"> 84 </span><span class="muRecipe">after</span> <span class="Constant"><handle-special-character></span> [ <span id="L85" class="LineNr"> 85 </span> <span class="Delimiter">{</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span> redo?:bool <span class="Special"><-</span> equal c, <span class="Constant">25/ctrl-y</span> -<span id="L87" class="LineNr"> 87 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> redo? -<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span> redo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">redo:offset</span> -<span id="L89" class="LineNr"> 89 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> redo -<span id="L90" class="LineNr"> 90 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> first redo -<span id="L91" class="LineNr"> 91 </span> <span class="Conceal">¦</span> redo <span class="Special"><-</span> <a href='../064list.mu.html#L24'>rest</a> redo -<span id="L92" class="LineNr"> 92 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">redo:offset</span>, redo -<span id="L93" class="LineNr"> 93 </span> <span class="Conceal">¦</span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> -<span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span> undo <span class="Special"><-</span> push op, undo -<span id="L95" class="LineNr"> 95 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">undo:offset</span>, undo -<span id="L96" class="LineNr"> 96 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> <a href='012-editor-undo.mu.html#L96'><handle-redo></a></span> -<span id="L97" class="LineNr"> 97 </span> <span class="Conceal">¦</span><span class="muControl"> return</span> <span class="Constant">1/go-render</span> +<span id="L86" class="LineNr"> 86 </span> redo?:bool <span class="Special"><-</span> equal c, <span class="Constant">25/ctrl-y</span> +<span id="L87" class="LineNr"> 87 </span> <span class="muControl">break-unless</span> redo? +<span id="L88" class="LineNr"> 88 </span> redo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">redo:offset</span> +<span id="L89" class="LineNr"> 89 </span> <span class="muControl">break-unless</span> redo +<span id="L90" class="LineNr"> 90 </span> op:&:operation <span class="Special"><-</span> first redo +<span id="L91" class="LineNr"> 91 </span> redo <span class="Special"><-</span> rest redo +<span id="L92" class="LineNr"> 92 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">redo:offset</span>, redo +<span id="L93" class="LineNr"> 93 </span> undo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> +<span id="L94" class="LineNr"> 94 </span> undo <span class="Special"><-</span> push op, undo +<span id="L95" class="LineNr"> 95 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">undo:offset</span>, undo +<span id="L96" class="LineNr"> 96 </span><span class="Constant"> <handle-redo></span> +<span id="L97" class="LineNr"> 97 </span> <span class="muControl"> return</span> <span class="Constant">1/go-render</span> <span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">}</span> <span id="L99" class="LineNr"> 99 </span>] <span id="L100" class="LineNr"> 100 </span> @@ -167,128 +166,128 @@ if ('onhashchange' in window) { <span id="L104" class="LineNr"> 104 </span> <span class="Constant">local-scope</span> <span id="L105" class="LineNr"> 105 </span> <span class="Comment"># create an editor and type a character</span> <span id="L106" class="LineNr"> 106 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L107" class="LineNr"> 107 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L108" class="LineNr"> 108 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L107" class="LineNr"> 107 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L108" class="LineNr"> 108 </span> editor-render screen, e <span id="L109" class="LineNr"> 109 </span> assume-console [ -<span id="L110" class="LineNr"> 110 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L110" class="LineNr"> 110 </span> type <span class="Constant">[0]</span> <span id="L111" class="LineNr"> 111 </span> ] -<span id="L112" class="LineNr"> 112 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L112" class="LineNr"> 112 </span> editor-event-loop screen, console, e <span id="L113" class="LineNr"> 113 </span> <span class="Comment"># undo</span> <span id="L114" class="LineNr"> 114 </span> assume-console [ -<span id="L115" class="LineNr"> 115 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L115" class="LineNr"> 115 </span> press ctrl-z <span id="L116" class="LineNr"> 116 </span> ] <span id="L117" class="LineNr"> 117 </span> run [ -<span id="L118" class="LineNr"> 118 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L118" class="LineNr"> 118 </span> editor-event-loop screen, console, e <span id="L119" class="LineNr"> 119 </span> ] <span id="L120" class="LineNr"> 120 </span> <span class="Comment"># character should be gone</span> <span id="L121" class="LineNr"> 121 </span> screen-should-contain [ -<span id="L122" class="LineNr"> 122 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L123" class="LineNr"> 123 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L124" class="LineNr"> 124 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L125" class="LineNr"> 125 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L122" class="LineNr"> 122 </span> <span class="Constant"> . .</span> +<span id="L123" class="LineNr"> 123 </span> <span class="Constant"> . .</span> +<span id="L124" class="LineNr"> 124 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L125" class="LineNr"> 125 </span> <span class="Constant"> . .</span> <span id="L126" class="LineNr"> 126 </span> ] <span id="L127" class="LineNr"> 127 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L128" class="LineNr"> 128 </span> assume-console [ -<span id="L129" class="LineNr"> 129 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L129" class="LineNr"> 129 </span> type <span class="Constant">[1]</span> <span id="L130" class="LineNr"> 130 </span> ] <span id="L131" class="LineNr"> 131 </span> run [ -<span id="L132" class="LineNr"> 132 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L132" class="LineNr"> 132 </span> editor-event-loop screen, console, e <span id="L133" class="LineNr"> 133 </span> ] <span id="L134" class="LineNr"> 134 </span> screen-should-contain [ -<span id="L135" class="LineNr"> 135 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L136" class="LineNr"> 136 </span> <span class="Conceal">¦</span><span class="Constant"> .1 .</span> -<span id="L137" class="LineNr"> 137 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L138" class="LineNr"> 138 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L135" class="LineNr"> 135 </span> <span class="Constant"> . .</span> +<span id="L136" class="LineNr"> 136 </span> <span class="Constant"> .1 .</span> +<span id="L137" class="LineNr"> 137 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L138" class="LineNr"> 138 </span> <span class="Constant"> . .</span> <span id="L139" class="LineNr"> 139 </span> ] <span id="L140" class="LineNr"> 140 </span>] <span id="L141" class="LineNr"> 141 </span> <span id="L142" class="LineNr"> 142 </span><span class="Comment"># save operation to undo</span> <span id="L143" class="LineNr"> 143 </span><span class="muRecipe">after</span> <span class="Constant"><begin-insert-character></span> [ -<span id="L144" class="LineNr"> 144 </span> top-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L145" class="LineNr"> 145 </span> cursor-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L144" class="LineNr"> 144 </span> top-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L145" class="LineNr"> 145 </span> cursor-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L146" class="LineNr"> 146 </span>] <span id="L147" class="LineNr"> 147 </span><span class="muRecipe">before</span> <span class="Constant"><end-insert-character></span> [ -<span id="L148" class="LineNr"> 148 </span> top-after:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L148" class="LineNr"> 148 </span> top-after:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L149" class="LineNr"> 149 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L150" class="LineNr"> 150 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L151" class="LineNr"> 151 </span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> +<span id="L151" class="LineNr"> 151 </span> undo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> <span id="L152" class="LineNr"> 152 </span> <span class="Delimiter">{</span> -<span id="L153" class="LineNr"> 153 </span> <span class="Conceal">¦</span> <span class="Comment"># if previous operation was an insert, coalesce this operation with it</span> -<span id="L154" class="LineNr"> 154 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> undo -<span id="L155" class="LineNr"> 155 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> first undo -<span id="L156" class="LineNr"> 156 </span> <span class="Conceal">¦</span> typing:<a href='012-editor-undo.mu.html#L11'>insert-operation</a>, is-insert?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">typing:variant</span> -<span id="L157" class="LineNr"> 157 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-insert? -<span id="L158" class="LineNr"> 158 </span> <span class="Conceal">¦</span> previous-coalesce-tag:num <span class="Special"><-</span> get typing, <span class="Constant">tag:offset</span> -<span id="L159" class="LineNr"> 159 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> previous-coalesce-tag -<span id="L160" class="LineNr"> 160 </span> <span class="Conceal">¦</span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L161" class="LineNr"> 161 </span> <span class="Conceal">¦</span> insert-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L162" class="LineNr"> 162 </span> <span class="Conceal">¦</span> typing <span class="Special"><-</span> put typing, <span class="Constant">insert-until:offset</span>, insert-until -<span id="L163" class="LineNr"> 163 </span> <span class="Conceal">¦</span> typing <span class="Special"><-</span> put typing, <span class="Constant">after-row:offset</span>, cursor-row -<span id="L164" class="LineNr"> 164 </span> <span class="Conceal">¦</span> typing <span class="Special"><-</span> put typing, <span class="Constant">after-column:offset</span>, cursor-column -<span id="L165" class="LineNr"> 165 </span> <span class="Conceal">¦</span> typing <span class="Special"><-</span> put typing, <span class="Constant">after-top-of-screen:offset</span>, top-after -<span id="L166" class="LineNr"> 166 </span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">0/insert-operation</span>, typing -<span id="L167" class="LineNr"> 167 </span> <span class="Conceal">¦</span><span class="muControl"> break</span> <span class="Constant">+done-adding-insert-operation</span> +<span id="L153" class="LineNr"> 153 </span> <span class="Comment"># if previous operation was an insert, coalesce this operation with it</span> +<span id="L154" class="LineNr"> 154 </span> <span class="muControl">break-unless</span> undo +<span id="L155" class="LineNr"> 155 </span> op:&:operation <span class="Special"><-</span> first undo +<span id="L156" class="LineNr"> 156 </span> typing:insert-operation, is-insert?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">typing:variant</span> +<span id="L157" class="LineNr"> 157 </span> <span class="muControl">break-unless</span> is-insert? +<span id="L158" class="LineNr"> 158 </span> previous-coalesce-tag:num <span class="Special"><-</span> get typing, <span class="Constant">tag:offset</span> +<span id="L159" class="LineNr"> 159 </span> <span class="muControl">break-unless</span> previous-coalesce-tag +<span id="L160" class="LineNr"> 160 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L161" class="LineNr"> 161 </span> insert-until:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L162" class="LineNr"> 162 </span> typing <span class="Special"><-</span> put typing, <span class="Constant">insert-until:offset</span>, insert-until +<span id="L163" class="LineNr"> 163 </span> typing <span class="Special"><-</span> put typing, <span class="Constant">after-row:offset</span>, cursor-row +<span id="L164" class="LineNr"> 164 </span> typing <span class="Special"><-</span> put typing, <span class="Constant">after-column:offset</span>, cursor-column +<span id="L165" class="LineNr"> 165 </span> typing <span class="Special"><-</span> put typing, <span class="Constant">after-top-of-screen:offset</span>, top-after +<span id="L166" class="LineNr"> 166 </span> *op <span class="Special"><-</span> merge <span class="Constant">0/insert-operation</span>, typing +<span id="L167" class="LineNr"> 167 </span> <span class="muControl"> break</span> <span class="Constant">+done-adding-insert-operation</span> <span id="L168" class="LineNr"> 168 </span> <span class="Delimiter">}</span> <span id="L169" class="LineNr"> 169 </span> <span class="Comment"># if not, create a new operation</span> -<span id="L170" class="LineNr"> 170 </span> insert-from:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> cursor-before -<span id="L171" class="LineNr"> 171 </span> insert-to:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> insert-from -<span id="L172" class="LineNr"> 172 </span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> new <span class="Constant"><a href='012-editor-undo.mu.html#L5'>operation</a>:type</span> +<span id="L170" class="LineNr"> 170 </span> insert-from:&:duplex-list:char <span class="Special"><-</span> next cursor-before +<span id="L171" class="LineNr"> 171 </span> insert-to:&:duplex-list:char <span class="Special"><-</span> next insert-from +<span id="L172" class="LineNr"> 172 </span> op:&:operation <span class="Special"><-</span> new <span class="Constant">operation:type</span> <span id="L173" class="LineNr"> 173 </span> *op <span class="Special"><-</span> merge <span class="Constant">0/insert-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, insert-from, insert-to, <span class="Constant">1/coalesce</span> -<span id="L174" class="LineNr"> 174 </span> editor <span class="Special"><-</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor, op +<span id="L174" class="LineNr"> 174 </span> editor <span class="Special"><-</span> add-operation editor, op <span id="L175" class="LineNr"> 175 </span><span class="Constant"> +done-adding-insert-operation</span> <span id="L176" class="LineNr"> 176 </span>] <span id="L177" class="LineNr"> 177 </span> <span id="L178" class="LineNr"> 178 </span><span class="Comment"># enter operations never coalesce with typing before or after</span> -<span id="L179" class="LineNr"> 179 </span><span class="muRecipe">after</span> <span class="Constant"><a href='002-typing.mu.html#L861'><begin-insert-enter></a></span> [ +<span id="L179" class="LineNr"> 179 </span><span class="muRecipe">after</span> <span class="Constant"><begin-insert-enter></span> [ <span id="L180" class="LineNr"> 180 </span> cursor-row-before:num <span class="Special"><-</span> copy cursor-row <span id="L181" class="LineNr"> 181 </span> cursor-column-before:num <span class="Special"><-</span> copy cursor-column -<span id="L182" class="LineNr"> 182 </span> top-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L183" class="LineNr"> 183 </span> cursor-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L182" class="LineNr"> 182 </span> top-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L183" class="LineNr"> 183 </span> cursor-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> <span id="L184" class="LineNr"> 184 </span>] -<span id="L185" class="LineNr"> 185 </span><span class="muRecipe">before</span> <span class="Constant"><a href='002-typing.mu.html#L863'><end-insert-enter></a></span> [ -<span id="L186" class="LineNr"> 186 </span> top-after:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L185" class="LineNr"> 185 </span><span class="muRecipe">before</span> <span class="Constant"><end-insert-enter></span> [ +<span id="L186" class="LineNr"> 186 </span> top-after:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L187" class="LineNr"> 187 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L188" class="LineNr"> 188 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L189" class="LineNr"> 189 </span> <span class="Comment"># never coalesce</span> -<span id="L190" class="LineNr"> 190 </span> insert-from:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> cursor-before -<span id="L191" class="LineNr"> 191 </span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L192" class="LineNr"> 192 </span> insert-to:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L193" class="LineNr"> 193 </span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> new <span class="Constant"><a href='012-editor-undo.mu.html#L5'>operation</a>:type</span> +<span id="L190" class="LineNr"> 190 </span> insert-from:&:duplex-list:char <span class="Special"><-</span> next cursor-before +<span id="L191" class="LineNr"> 191 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L192" class="LineNr"> 192 </span> insert-to:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L193" class="LineNr"> 193 </span> op:&:operation <span class="Special"><-</span> new <span class="Constant">operation:type</span> <span id="L194" class="LineNr"> 194 </span> *op <span class="Special"><-</span> merge <span class="Constant">0/insert-operation</span>, cursor-row-before, cursor-column-before, top-before, cursor-row/after, cursor-column/after, top-after, insert-from, insert-to, <span class="Constant">0/never-coalesce</span> -<span id="L195" class="LineNr"> 195 </span> editor <span class="Special"><-</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor, op +<span id="L195" class="LineNr"> 195 </span> editor <span class="Special"><-</span> add-operation editor, op <span id="L196" class="LineNr"> 196 </span>] <span id="L197" class="LineNr"> 197 </span> <span id="L198" class="LineNr"> 198 </span><span class="Comment"># Everytime you add a new operation to the undo stack, be sure to clear the</span> <span id="L199" class="LineNr"> 199 </span><span class="Comment"># redo stack, because it's now obsolete.</span> <span id="L200" class="LineNr"> 200 </span><span class="Comment"># Beware: since we're counting cursor moves as operations, this means just</span> <span id="L201" class="LineNr"> 201 </span><span class="Comment"># moving the cursor can lose work on the undo stack.</span> -<span id="L202" class="LineNr"> 202 </span><span class="muRecipe">def</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor:&:editor, op:&:<a href='012-editor-undo.mu.html#L5'>operation</a><span class="muRecipe"> -> </span>editor:&:editor [ +<span id="L202" class="LineNr"> 202 </span><span class="muRecipe">def</span> add-operation editor:&:editor, op:&:operation<span class="muRecipe"> -> </span>editor:&:editor [ <span id="L203" class="LineNr"> 203 </span> <span class="Constant">local-scope</span> <span id="L204" class="LineNr"> 204 </span> <span class="Constant">load-inputs</span> -<span id="L205" class="LineNr"> 205 </span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> +<span id="L205" class="LineNr"> 205 </span> undo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> <span id="L206" class="LineNr"> 206 </span> undo <span class="Special"><-</span> push op undo <span id="L207" class="LineNr"> 207 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">undo:offset</span>, undo -<span id="L208" class="LineNr"> 208 </span> redo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">redo:offset</span> +<span id="L208" class="LineNr"> 208 </span> redo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">redo:offset</span> <span id="L209" class="LineNr"> 209 </span> redo <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span id="L210" class="LineNr"> 210 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">redo:offset</span>, redo <span id="L211" class="LineNr"> 211 </span>] <span id="L212" class="LineNr"> 212 </span> -<span id="L213" class="LineNr"> 213 </span><span class="muRecipe">after</span> <span class="Constant"><a href='012-editor-undo.mu.html#L78'><handle-undo></a></span> [ +<span id="L213" class="LineNr"> 213 </span><span class="muRecipe">after</span> <span class="Constant"><handle-undo></span> [ <span id="L214" class="LineNr"> 214 </span> <span class="Delimiter">{</span> -<span id="L215" class="LineNr"> 215 </span> <span class="Conceal">¦</span> typing:<a href='012-editor-undo.mu.html#L11'>insert-operation</a>, is-insert?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">typing:variant</span> -<span id="L216" class="LineNr"> 216 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-insert? -<span id="L217" class="LineNr"> 217 </span> <span class="Conceal">¦</span> start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get typing, <span class="Constant">insert-from:offset</span> -<span id="L218" class="LineNr"> 218 </span> <span class="Conceal">¦</span> end:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get typing, <span class="Constant">insert-until:offset</span> -<span id="L219" class="LineNr"> 219 </span> <span class="Conceal">¦</span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> -<span id="L220" class="LineNr"> 220 </span> <span class="Conceal">¦</span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L32'>prev</a> start -<span id="L221" class="LineNr"> 221 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor -<span id="L222" class="LineNr"> 222 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L385'>remove-between</a> before-cursor, end -<span id="L223" class="LineNr"> 223 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> get typing, <span class="Constant">before-row:offset</span> -<span id="L224" class="LineNr"> 224 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L225" class="LineNr"> 225 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> get typing, <span class="Constant">before-column:offset</span> -<span id="L226" class="LineNr"> 226 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L227" class="LineNr"> 227 </span> <span class="Conceal">¦</span> top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get typing, <span class="Constant">before-top-of-screen:offset</span> -<span id="L228" class="LineNr"> 228 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top +<span id="L215" class="LineNr"> 215 </span> typing:insert-operation, is-insert?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">typing:variant</span> +<span id="L216" class="LineNr"> 216 </span> <span class="muControl">break-unless</span> is-insert? +<span id="L217" class="LineNr"> 217 </span> start:&:duplex-list:char <span class="Special"><-</span> get typing, <span class="Constant">insert-from:offset</span> +<span id="L218" class="LineNr"> 218 </span> end:&:duplex-list:char <span class="Special"><-</span> get typing, <span class="Constant">insert-until:offset</span> +<span id="L219" class="LineNr"> 219 </span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> +<span id="L220" class="LineNr"> 220 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> prev start +<span id="L221" class="LineNr"> 221 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">before-cursor:offset</span>, before-cursor +<span id="L222" class="LineNr"> 222 </span> remove-between before-cursor, end +<span id="L223" class="LineNr"> 223 </span> cursor-row <span class="Special"><-</span> get typing, <span class="Constant">before-row:offset</span> +<span id="L224" class="LineNr"> 224 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L225" class="LineNr"> 225 </span> cursor-column <span class="Special"><-</span> get typing, <span class="Constant">before-column:offset</span> +<span id="L226" class="LineNr"> 226 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L227" class="LineNr"> 227 </span> top:&:duplex-list:char <span class="Special"><-</span> get typing, <span class="Constant">before-top-of-screen:offset</span> +<span id="L228" class="LineNr"> 228 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top <span id="L229" class="LineNr"> 229 </span> <span class="Delimiter">}</span> <span id="L230" class="LineNr"> 230 </span>] <span id="L231" class="LineNr"> 231 </span> @@ -296,25 +295,25 @@ if ('onhashchange' in window) { <span id="L233" class="LineNr"> 233 </span> <span class="Constant">local-scope</span> <span id="L234" class="LineNr"> 234 </span> <span class="Comment"># create an editor and type multiple characters</span> <span id="L235" class="LineNr"> 235 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L236" class="LineNr"> 236 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L237" class="LineNr"> 237 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L236" class="LineNr"> 236 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L237" class="LineNr"> 237 </span> editor-render screen, e <span id="L238" class="LineNr"> 238 </span> assume-console [ -<span id="L239" class="LineNr"> 239 </span> <span class="Conceal">¦</span> type <span class="Constant">[012]</span> +<span id="L239" class="LineNr"> 239 </span> type <span class="Constant">[012]</span> <span id="L240" class="LineNr"> 240 </span> ] -<span id="L241" class="LineNr"> 241 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L241" class="LineNr"> 241 </span> editor-event-loop screen, console, e <span id="L242" class="LineNr"> 242 </span> <span class="Comment"># undo</span> <span id="L243" class="LineNr"> 243 </span> assume-console [ -<span id="L244" class="LineNr"> 244 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L244" class="LineNr"> 244 </span> press ctrl-z <span id="L245" class="LineNr"> 245 </span> ] <span id="L246" class="LineNr"> 246 </span> run [ -<span id="L247" class="LineNr"> 247 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L247" class="LineNr"> 247 </span> editor-event-loop screen, console, e <span id="L248" class="LineNr"> 248 </span> ] <span id="L249" class="LineNr"> 249 </span> <span class="Comment"># all characters must be gone</span> <span id="L250" class="LineNr"> 250 </span> screen-should-contain [ -<span id="L251" class="LineNr"> 251 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L252" class="LineNr"> 252 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L253" class="LineNr"> 253 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L254" class="LineNr"> 254 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L251" class="LineNr"> 251 </span> <span class="Constant"> . .</span> +<span id="L252" class="LineNr"> 252 </span> <span class="Constant"> . .</span> +<span id="L253" class="LineNr"> 253 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L254" class="LineNr"> 254 </span> <span class="Constant"> . .</span> <span id="L255" class="LineNr"> 255 </span> ] <span id="L256" class="LineNr"> 256 </span>] <span id="L257" class="LineNr"> 257 </span> @@ -322,45 +321,45 @@ if ('onhashchange' in window) { <span id="L259" class="LineNr"> 259 </span> <span class="Constant">local-scope</span> <span id="L260" class="LineNr"> 260 </span> <span class="Comment"># create an editor with some text</span> <span id="L261" class="LineNr"> 261 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L262" class="LineNr"> 262 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[a]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L263" class="LineNr"> 263 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L262" class="LineNr"> 262 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[a]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L263" class="LineNr"> 263 </span> editor-render screen, e <span id="L264" class="LineNr"> 264 </span> <span class="Comment"># type some characters</span> <span id="L265" class="LineNr"> 265 </span> assume-console [ -<span id="L266" class="LineNr"> 266 </span> <span class="Conceal">¦</span> type <span class="Constant">[012]</span> +<span id="L266" class="LineNr"> 266 </span> type <span class="Constant">[012]</span> <span id="L267" class="LineNr"> 267 </span> ] -<span id="L268" class="LineNr"> 268 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L268" class="LineNr"> 268 </span> editor-event-loop screen, console, e <span id="L269" class="LineNr"> 269 </span> screen-should-contain [ -<span id="L270" class="LineNr"> 270 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L271" class="LineNr"> 271 </span> <span class="Conceal">¦</span><span class="Constant"> .012a .</span> -<span id="L272" class="LineNr"> 272 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L273" class="LineNr"> 273 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L270" class="LineNr"> 270 </span> <span class="Constant"> . .</span> +<span id="L271" class="LineNr"> 271 </span> <span class="Constant"> .012a .</span> +<span id="L272" class="LineNr"> 272 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L273" class="LineNr"> 273 </span> <span class="Constant"> . .</span> <span id="L274" class="LineNr"> 274 </span> ] <span id="L275" class="LineNr"> 275 </span> <span class="Comment"># undo</span> <span id="L276" class="LineNr"> 276 </span> assume-console [ -<span id="L277" class="LineNr"> 277 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L277" class="LineNr"> 277 </span> press ctrl-z <span id="L278" class="LineNr"> 278 </span> ] <span id="L279" class="LineNr"> 279 </span> run [ -<span id="L280" class="LineNr"> 280 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L280" class="LineNr"> 280 </span> editor-event-loop screen, console, e <span id="L281" class="LineNr"> 281 </span> ] <span id="L282" class="LineNr"> 282 </span> <span class="Comment"># back to original text</span> <span id="L283" class="LineNr"> 283 </span> screen-should-contain [ -<span id="L284" class="LineNr"> 284 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L285" class="LineNr"> 285 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L286" class="LineNr"> 286 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L287" class="LineNr"> 287 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L284" class="LineNr"> 284 </span> <span class="Constant"> . .</span> +<span id="L285" class="LineNr"> 285 </span> <span class="Constant"> .a .</span> +<span id="L286" class="LineNr"> 286 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L287" class="LineNr"> 287 </span> <span class="Constant"> . .</span> <span id="L288" class="LineNr"> 288 </span> ] <span id="L289" class="LineNr"> 289 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L290" class="LineNr"> 290 </span> assume-console [ -<span id="L291" class="LineNr"> 291 </span> <span class="Conceal">¦</span> type <span class="Constant">[3]</span> +<span id="L291" class="LineNr"> 291 </span> type <span class="Constant">[3]</span> <span id="L292" class="LineNr"> 292 </span> ] <span id="L293" class="LineNr"> 293 </span> run [ -<span id="L294" class="LineNr"> 294 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L294" class="LineNr"> 294 </span> editor-event-loop screen, console, e <span id="L295" class="LineNr"> 295 </span> ] <span id="L296" class="LineNr"> 296 </span> screen-should-contain [ -<span id="L297" class="LineNr"> 297 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L298" class="LineNr"> 298 </span> <span class="Conceal">¦</span><span class="Constant"> .3a .</span> -<span id="L299" class="LineNr"> 299 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L300" class="LineNr"> 300 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L297" class="LineNr"> 297 </span> <span class="Constant"> . .</span> +<span id="L298" class="LineNr"> 298 </span> <span class="Constant"> .3a .</span> +<span id="L299" class="LineNr"> 299 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L300" class="LineNr"> 300 </span> <span class="Constant"> . .</span> <span id="L301" class="LineNr"> 301 </span> ] <span id="L302" class="LineNr"> 302 </span>] <span id="L303" class="LineNr"> 303 </span> @@ -368,60 +367,60 @@ if ('onhashchange' in window) { <span id="L305" class="LineNr"> 305 </span> <span class="Constant">local-scope</span> <span id="L306" class="LineNr"> 306 </span> <span class="Comment"># create an editor with some text</span> <span id="L307" class="LineNr"> 307 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L308" class="LineNr"> 308 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[ abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L309" class="LineNr"> 309 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L308" class="LineNr"> 308 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[ abc]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L309" class="LineNr"> 309 </span> editor-render screen, e <span id="L310" class="LineNr"> 310 </span> <span class="Comment"># new line</span> <span id="L311" class="LineNr"> 311 </span> assume-console [ -<span id="L312" class="LineNr"> 312 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 8</span> -<span id="L313" class="LineNr"> 313 </span> <span class="Conceal">¦</span> press enter +<span id="L312" class="LineNr"> 312 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 8</span> +<span id="L313" class="LineNr"> 313 </span> press enter <span id="L314" class="LineNr"> 314 </span> ] -<span id="L315" class="LineNr"> 315 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L315" class="LineNr"> 315 </span> editor-event-loop screen, console, e <span id="L316" class="LineNr"> 316 </span> screen-should-contain [ -<span id="L317" class="LineNr"> 317 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L318" class="LineNr"> 318 </span> <span class="Conceal">¦</span><span class="Constant"> . abc .</span> -<span id="L319" class="LineNr"> 319 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L320" class="LineNr"> 320 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L321" class="LineNr"> 321 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L317" class="LineNr"> 317 </span> <span class="Constant"> . .</span> +<span id="L318" class="LineNr"> 318 </span> <span class="Constant"> . abc .</span> +<span id="L319" class="LineNr"> 319 </span> <span class="Constant"> . .</span> +<span id="L320" class="LineNr"> 320 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L321" class="LineNr"> 321 </span> <span class="Constant"> . .</span> <span id="L322" class="LineNr"> 322 </span> ] <span id="L323" class="LineNr"> 323 </span> <span class="Comment"># line is indented</span> <span id="L324" class="LineNr"> 324 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L325" class="LineNr"> 325 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L326" class="LineNr"> 326 </span> memory-should-contain [ -<span id="L327" class="LineNr"> 327 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L328" class="LineNr"> 328 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L327" class="LineNr"> 327 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L328" class="LineNr"> 328 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L329" class="LineNr"> 329 </span> ] <span id="L330" class="LineNr"> 330 </span> <span class="Comment"># undo</span> <span id="L331" class="LineNr"> 331 </span> assume-console [ -<span id="L332" class="LineNr"> 332 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L332" class="LineNr"> 332 </span> press ctrl-z <span id="L333" class="LineNr"> 333 </span> ] <span id="L334" class="LineNr"> 334 </span> run [ -<span id="L335" class="LineNr"> 335 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L335" class="LineNr"> 335 </span> editor-event-loop screen, console, e <span id="L336" class="LineNr"> 336 </span> ] <span id="L337" class="LineNr"> 337 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L338" class="LineNr"> 338 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L339" class="LineNr"> 339 </span> memory-should-contain [ -<span id="L340" class="LineNr"> 340 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L341" class="LineNr"> 341 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 5</span> +<span id="L340" class="LineNr"> 340 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L341" class="LineNr"> 341 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 5</span> <span id="L342" class="LineNr"> 342 </span> ] <span id="L343" class="LineNr"> 343 </span> <span class="Comment"># back to original text</span> <span id="L344" class="LineNr"> 344 </span> screen-should-contain [ -<span id="L345" class="LineNr"> 345 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L346" class="LineNr"> 346 </span> <span class="Conceal">¦</span><span class="Constant"> . abc .</span> -<span id="L347" class="LineNr"> 347 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L348" class="LineNr"> 348 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L345" class="LineNr"> 345 </span> <span class="Constant"> . .</span> +<span id="L346" class="LineNr"> 346 </span> <span class="Constant"> . abc .</span> +<span id="L347" class="LineNr"> 347 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L348" class="LineNr"> 348 </span> <span class="Constant"> . .</span> <span id="L349" class="LineNr"> 349 </span> ] <span id="L350" class="LineNr"> 350 </span> <span class="Comment"># cursor should be at end of line</span> <span id="L351" class="LineNr"> 351 </span> assume-console [ -<span id="L352" class="LineNr"> 352 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L352" class="LineNr"> 352 </span> type <span class="Constant">[1]</span> <span id="L353" class="LineNr"> 353 </span> ] <span id="L354" class="LineNr"> 354 </span> run [ -<span id="L355" class="LineNr"> 355 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L355" class="LineNr"> 355 </span> editor-event-loop screen, console, e <span id="L356" class="LineNr"> 356 </span> ] <span id="L357" class="LineNr"> 357 </span> screen-should-contain [ -<span id="L358" class="LineNr"> 358 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L359" class="LineNr"> 359 </span> <span class="Conceal">¦</span><span class="Constant"> . abc1 .</span> -<span id="L360" class="LineNr"> 360 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L361" class="LineNr"> 361 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L358" class="LineNr"> 358 </span> <span class="Constant"> . .</span> +<span id="L359" class="LineNr"> 359 </span> <span class="Constant"> . abc1 .</span> +<span id="L360" class="LineNr"> 360 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L361" class="LineNr"> 361 </span> <span class="Constant"> . .</span> <span id="L362" class="LineNr"> 362 </span> ] <span id="L363" class="LineNr"> 363 </span>] <span id="L364" class="LineNr"> 364 </span> @@ -431,63 +430,63 @@ if ('onhashchange' in window) { <span id="L368" class="LineNr"> 368 </span> <span class="Constant">local-scope</span> <span id="L369" class="LineNr"> 369 </span> <span class="Comment"># create an editor, type something, undo</span> <span id="L370" class="LineNr"> 370 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L371" class="LineNr"> 371 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[a]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L372" class="LineNr"> 372 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L371" class="LineNr"> 371 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[a]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L372" class="LineNr"> 372 </span> editor-render screen, e <span id="L373" class="LineNr"> 373 </span> assume-console [ -<span id="L374" class="LineNr"> 374 </span> <span class="Conceal">¦</span> type <span class="Constant">[012]</span> -<span id="L375" class="LineNr"> 375 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L374" class="LineNr"> 374 </span> type <span class="Constant">[012]</span> +<span id="L375" class="LineNr"> 375 </span> press ctrl-z <span id="L376" class="LineNr"> 376 </span> ] -<span id="L377" class="LineNr"> 377 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L377" class="LineNr"> 377 </span> editor-event-loop screen, console, e <span id="L378" class="LineNr"> 378 </span> screen-should-contain [ -<span id="L379" class="LineNr"> 379 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L380" class="LineNr"> 380 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L381" class="LineNr"> 381 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L382" class="LineNr"> 382 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L379" class="LineNr"> 379 </span> <span class="Constant"> . .</span> +<span id="L380" class="LineNr"> 380 </span> <span class="Constant"> .a .</span> +<span id="L381" class="LineNr"> 381 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L382" class="LineNr"> 382 </span> <span class="Constant"> . .</span> <span id="L383" class="LineNr"> 383 </span> ] <span id="L384" class="LineNr"> 384 </span> <span class="Comment"># redo</span> <span id="L385" class="LineNr"> 385 </span> assume-console [ -<span id="L386" class="LineNr"> 386 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L386" class="LineNr"> 386 </span> press ctrl-y <span id="L387" class="LineNr"> 387 </span> ] <span id="L388" class="LineNr"> 388 </span> run [ -<span id="L389" class="LineNr"> 389 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L389" class="LineNr"> 389 </span> editor-event-loop screen, console, e <span id="L390" class="LineNr"> 390 </span> ] <span id="L391" class="LineNr"> 391 </span> <span class="Comment"># all characters must be back</span> <span id="L392" class="LineNr"> 392 </span> screen-should-contain [ -<span id="L393" class="LineNr"> 393 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L394" class="LineNr"> 394 </span> <span class="Conceal">¦</span><span class="Constant"> .012a .</span> -<span id="L395" class="LineNr"> 395 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L396" class="LineNr"> 396 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L393" class="LineNr"> 393 </span> <span class="Constant"> . .</span> +<span id="L394" class="LineNr"> 394 </span> <span class="Constant"> .012a .</span> +<span id="L395" class="LineNr"> 395 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L396" class="LineNr"> 396 </span> <span class="Constant"> . .</span> <span id="L397" class="LineNr"> 397 </span> ] <span id="L398" class="LineNr"> 398 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L399" class="LineNr"> 399 </span> assume-console [ -<span id="L400" class="LineNr"> 400 </span> <span class="Conceal">¦</span> type <span class="Constant">[3]</span> +<span id="L400" class="LineNr"> 400 </span> type <span class="Constant">[3]</span> <span id="L401" class="LineNr"> 401 </span> ] <span id="L402" class="LineNr"> 402 </span> run [ -<span id="L403" class="LineNr"> 403 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L403" class="LineNr"> 403 </span> editor-event-loop screen, console, e <span id="L404" class="LineNr"> 404 </span> ] <span id="L405" class="LineNr"> 405 </span> screen-should-contain [ -<span id="L406" class="LineNr"> 406 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L407" class="LineNr"> 407 </span> <span class="Conceal">¦</span><span class="Constant"> .0123a .</span> -<span id="L408" class="LineNr"> 408 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L409" class="LineNr"> 409 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L406" class="LineNr"> 406 </span> <span class="Constant"> . .</span> +<span id="L407" class="LineNr"> 407 </span> <span class="Constant"> .0123a .</span> +<span id="L408" class="LineNr"> 408 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L409" class="LineNr"> 409 </span> <span class="Constant"> . .</span> <span id="L410" class="LineNr"> 410 </span> ] <span id="L411" class="LineNr"> 411 </span>] <span id="L412" class="LineNr"> 412 </span> -<span id="L413" class="LineNr"> 413 </span><span class="muRecipe">after</span> <span class="Constant"><a href='012-editor-undo.mu.html#L96'><handle-redo></a></span> [ +<span id="L413" class="LineNr"> 413 </span><span class="muRecipe">after</span> <span class="Constant"><handle-redo></span> [ <span id="L414" class="LineNr"> 414 </span> <span class="Delimiter">{</span> -<span id="L415" class="LineNr"> 415 </span> <span class="Conceal">¦</span> typing:<a href='012-editor-undo.mu.html#L11'>insert-operation</a>, is-insert?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">typing:variant</span> -<span id="L416" class="LineNr"> 416 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-insert? -<span id="L417" class="LineNr"> 417 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L418" class="LineNr"> 418 </span> <span class="Conceal">¦</span> insert-from:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get typing, <span class="Constant">insert-from:offset</span> <span class="Comment"># ignore insert-to because it's already been spliced away</span> -<span id="L419" class="LineNr"> 419 </span> <span class="Conceal">¦</span> <span class="Comment"># assert insert-to matches next(before-cursor)</span> -<span id="L420" class="LineNr"> 420 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L525'>splice</a> before-cursor, insert-from -<span id="L421" class="LineNr"> 421 </span> <span class="Conceal">¦</span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> -<span id="L422" class="LineNr"> 422 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> get typing, <span class="Constant">after-row:offset</span> -<span id="L423" class="LineNr"> 423 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L424" class="LineNr"> 424 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> get typing, <span class="Constant">after-column:offset</span> -<span id="L425" class="LineNr"> 425 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L426" class="LineNr"> 426 </span> <span class="Conceal">¦</span> top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get typing, <span class="Constant">after-top-of-screen:offset</span> -<span id="L427" class="LineNr"> 427 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top +<span id="L415" class="LineNr"> 415 </span> typing:insert-operation, is-insert?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">typing:variant</span> +<span id="L416" class="LineNr"> 416 </span> <span class="muControl">break-unless</span> is-insert? +<span id="L417" class="LineNr"> 417 </span> before-cursor <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L418" class="LineNr"> 418 </span> insert-from:&:duplex-list:char <span class="Special"><-</span> get typing, <span class="Constant">insert-from:offset</span> <span class="Comment"># ignore insert-to because it's already been spliced away</span> +<span id="L419" class="LineNr"> 419 </span> <span class="Comment"># assert insert-to matches next(before-cursor)</span> +<span id="L420" class="LineNr"> 420 </span> splice before-cursor, insert-from +<span id="L421" class="LineNr"> 421 </span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> +<span id="L422" class="LineNr"> 422 </span> cursor-row <span class="Special"><-</span> get typing, <span class="Constant">after-row:offset</span> +<span id="L423" class="LineNr"> 423 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L424" class="LineNr"> 424 </span> cursor-column <span class="Special"><-</span> get typing, <span class="Constant">after-column:offset</span> +<span id="L425" class="LineNr"> 425 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L426" class="LineNr"> 426 </span> top:&:duplex-list:char <span class="Special"><-</span> get typing, <span class="Constant">after-top-of-screen:offset</span> +<span id="L427" class="LineNr"> 427 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top <span id="L428" class="LineNr"> 428 </span> <span class="Delimiter">}</span> <span id="L429" class="LineNr"> 429 </span>] <span id="L430" class="LineNr"> 430 </span> @@ -495,45 +494,45 @@ if ('onhashchange' in window) { <span id="L432" class="LineNr"> 432 </span> <span class="Constant">local-scope</span> <span id="L433" class="LineNr"> 433 </span> <span class="Comment"># create an editor, type something, undo</span> <span id="L434" class="LineNr"> 434 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L435" class="LineNr"> 435 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L436" class="LineNr"> 436 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L435" class="LineNr"> 435 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L436" class="LineNr"> 436 </span> editor-render screen, e <span id="L437" class="LineNr"> 437 </span> assume-console [ -<span id="L438" class="LineNr"> 438 </span> <span class="Conceal">¦</span> type <span class="Constant">[012]</span> -<span id="L439" class="LineNr"> 439 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L438" class="LineNr"> 438 </span> type <span class="Constant">[012]</span> +<span id="L439" class="LineNr"> 439 </span> press ctrl-z <span id="L440" class="LineNr"> 440 </span> ] -<span id="L441" class="LineNr"> 441 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L441" class="LineNr"> 441 </span> editor-event-loop screen, console, e <span id="L442" class="LineNr"> 442 </span> screen-should-contain [ -<span id="L443" class="LineNr"> 443 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L444" class="LineNr"> 444 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L445" class="LineNr"> 445 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L446" class="LineNr"> 446 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L443" class="LineNr"> 443 </span> <span class="Constant"> . .</span> +<span id="L444" class="LineNr"> 444 </span> <span class="Constant"> . .</span> +<span id="L445" class="LineNr"> 445 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L446" class="LineNr"> 446 </span> <span class="Constant"> . .</span> <span id="L447" class="LineNr"> 447 </span> ] <span id="L448" class="LineNr"> 448 </span> <span class="Comment"># redo</span> <span id="L449" class="LineNr"> 449 </span> assume-console [ -<span id="L450" class="LineNr"> 450 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L450" class="LineNr"> 450 </span> press ctrl-y <span id="L451" class="LineNr"> 451 </span> ] <span id="L452" class="LineNr"> 452 </span> run [ -<span id="L453" class="LineNr"> 453 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L453" class="LineNr"> 453 </span> editor-event-loop screen, console, e <span id="L454" class="LineNr"> 454 </span> ] <span id="L455" class="LineNr"> 455 </span> <span class="Comment"># all characters must be back</span> <span id="L456" class="LineNr"> 456 </span> screen-should-contain [ -<span id="L457" class="LineNr"> 457 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L458" class="LineNr"> 458 </span> <span class="Conceal">¦</span><span class="Constant"> .012 .</span> -<span id="L459" class="LineNr"> 459 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L460" class="LineNr"> 460 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L457" class="LineNr"> 457 </span> <span class="Constant"> . .</span> +<span id="L458" class="LineNr"> 458 </span> <span class="Constant"> .012 .</span> +<span id="L459" class="LineNr"> 459 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L460" class="LineNr"> 460 </span> <span class="Constant"> . .</span> <span id="L461" class="LineNr"> 461 </span> ] <span id="L462" class="LineNr"> 462 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L463" class="LineNr"> 463 </span> assume-console [ -<span id="L464" class="LineNr"> 464 </span> <span class="Conceal">¦</span> type <span class="Constant">[3]</span> +<span id="L464" class="LineNr"> 464 </span> type <span class="Constant">[3]</span> <span id="L465" class="LineNr"> 465 </span> ] <span id="L466" class="LineNr"> 466 </span> run [ -<span id="L467" class="LineNr"> 467 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L467" class="LineNr"> 467 </span> editor-event-loop screen, console, e <span id="L468" class="LineNr"> 468 </span> ] <span id="L469" class="LineNr"> 469 </span> screen-should-contain [ -<span id="L470" class="LineNr"> 470 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L471" class="LineNr"> 471 </span> <span class="Conceal">¦</span><span class="Constant"> .0123 .</span> -<span id="L472" class="LineNr"> 472 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L473" class="LineNr"> 473 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L470" class="LineNr"> 470 </span> <span class="Constant"> . .</span> +<span id="L471" class="LineNr"> 471 </span> <span class="Constant"> .0123 .</span> +<span id="L472" class="LineNr"> 472 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L473" class="LineNr"> 473 </span> <span class="Constant"> . .</span> <span id="L474" class="LineNr"> 474 </span> ] <span id="L475" class="LineNr"> 475 </span>] <span id="L476" class="LineNr"> 476 </span> @@ -544,39 +543,39 @@ if ('onhashchange' in window) { <span id="L481" class="LineNr"> 481 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L482" class="LineNr"> 482 </span><span class="Constant">def</span> <span id="L483" class="LineNr"> 483 </span><span class="Constant">ghi]</span> -<span id="L484" class="LineNr"> 484 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L485" class="LineNr"> 485 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L484" class="LineNr"> 484 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L485" class="LineNr"> 485 </span> editor-render screen, e <span id="L486" class="LineNr"> 486 </span> assume-console [ -<span id="L487" class="LineNr"> 487 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> -<span id="L488" class="LineNr"> 488 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L487" class="LineNr"> 487 </span> type <span class="Constant">[1]</span> +<span id="L488" class="LineNr"> 488 </span> press ctrl-z <span id="L489" class="LineNr"> 489 </span> ] -<span id="L490" class="LineNr"> 490 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L490" class="LineNr"> 490 </span> editor-event-loop screen, console, e <span id="L491" class="LineNr"> 491 </span> <span class="Comment"># do some more work</span> <span id="L492" class="LineNr"> 492 </span> assume-console [ -<span id="L493" class="LineNr"> 493 </span> <span class="Conceal">¦</span> type <span class="Constant">[0]</span> +<span id="L493" class="LineNr"> 493 </span> type <span class="Constant">[0]</span> <span id="L494" class="LineNr"> 494 </span> ] -<span id="L495" class="LineNr"> 495 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L495" class="LineNr"> 495 </span> editor-event-loop screen, console, e <span id="L496" class="LineNr"> 496 </span> screen-should-contain [ -<span id="L497" class="LineNr"> 497 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L498" class="LineNr"> 498 </span> <span class="Conceal">¦</span><span class="Constant"> .0abc .</span> -<span id="L499" class="LineNr"> 499 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L500" class="LineNr"> 500 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L501" class="LineNr"> 501 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L497" class="LineNr"> 497 </span> <span class="Constant"> . .</span> +<span id="L498" class="LineNr"> 498 </span> <span class="Constant"> .0abc .</span> +<span id="L499" class="LineNr"> 499 </span> <span class="Constant"> .def .</span> +<span id="L500" class="LineNr"> 500 </span> <span class="Constant"> .ghi .</span> +<span id="L501" class="LineNr"> 501 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L502" class="LineNr"> 502 </span> ] <span id="L503" class="LineNr"> 503 </span> <span class="Comment"># redo</span> <span id="L504" class="LineNr"> 504 </span> assume-console [ -<span id="L505" class="LineNr"> 505 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L505" class="LineNr"> 505 </span> press ctrl-y <span id="L506" class="LineNr"> 506 </span> ] <span id="L507" class="LineNr"> 507 </span> run [ -<span id="L508" class="LineNr"> 508 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L508" class="LineNr"> 508 </span> editor-event-loop screen, console, e <span id="L509" class="LineNr"> 509 </span> ] <span id="L510" class="LineNr"> 510 </span> <span class="Comment"># nothing should happen</span> <span id="L511" class="LineNr"> 511 </span> screen-should-contain [ -<span id="L512" class="LineNr"> 512 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L513" class="LineNr"> 513 </span> <span class="Conceal">¦</span><span class="Constant"> .0abc .</span> -<span id="L514" class="LineNr"> 514 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L515" class="LineNr"> 515 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L516" class="LineNr"> 516 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L512" class="LineNr"> 512 </span> <span class="Constant"> . .</span> +<span id="L513" class="LineNr"> 513 </span> <span class="Constant"> .0abc .</span> +<span id="L514" class="LineNr"> 514 </span> <span class="Constant"> .def .</span> +<span id="L515" class="LineNr"> 515 </span> <span class="Constant"> .ghi .</span> +<span id="L516" class="LineNr"> 516 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L517" class="LineNr"> 517 </span> ] <span id="L518" class="LineNr"> 518 </span>] <span id="L519" class="LineNr"> 519 </span> @@ -584,154 +583,154 @@ if ('onhashchange' in window) { <span id="L521" class="LineNr"> 521 </span> <span class="Constant">local-scope</span> <span id="L522" class="LineNr"> 522 </span> <span class="Comment"># create an editor</span> <span id="L523" class="LineNr"> 523 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L524" class="LineNr"> 524 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L525" class="LineNr"> 525 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L524" class="LineNr"> 524 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L525" class="LineNr"> 525 </span> editor-render screen, e <span id="L526" class="LineNr"> 526 </span> <span class="Comment"># insert some text and tabs, hit enter, some more text and tabs</span> <span id="L527" class="LineNr"> 527 </span> assume-console [ -<span id="L528" class="LineNr"> 528 </span> <span class="Conceal">¦</span> press tab -<span id="L529" class="LineNr"> 529 </span> <span class="Conceal">¦</span> type <span class="Constant">[ab]</span> -<span id="L530" class="LineNr"> 530 </span> <span class="Conceal">¦</span> press tab -<span id="L531" class="LineNr"> 531 </span> <span class="Conceal">¦</span> type <span class="Constant">[cd]</span> -<span id="L532" class="LineNr"> 532 </span> <span class="Conceal">¦</span> press enter -<span id="L533" class="LineNr"> 533 </span> <span class="Conceal">¦</span> press tab -<span id="L534" class="LineNr"> 534 </span> <span class="Conceal">¦</span> type <span class="Constant">[efg]</span> +<span id="L528" class="LineNr"> 528 </span> press tab +<span id="L529" class="LineNr"> 529 </span> type <span class="Constant">[ab]</span> +<span id="L530" class="LineNr"> 530 </span> press tab +<span id="L531" class="LineNr"> 531 </span> type <span class="Constant">[cd]</span> +<span id="L532" class="LineNr"> 532 </span> press enter +<span id="L533" class="LineNr"> 533 </span> press tab +<span id="L534" class="LineNr"> 534 </span> type <span class="Constant">[efg]</span> <span id="L535" class="LineNr"> 535 </span> ] -<span id="L536" class="LineNr"> 536 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L536" class="LineNr"> 536 </span> editor-event-loop screen, console, e <span id="L537" class="LineNr"> 537 </span> screen-should-contain [ -<span id="L538" class="LineNr"> 538 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L539" class="LineNr"> 539 </span> <span class="Conceal">¦</span><span class="Constant"> . ab cd .</span> -<span id="L540" class="LineNr"> 540 </span> <span class="Conceal">¦</span><span class="Constant"> . efg .</span> -<span id="L541" class="LineNr"> 541 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L542" class="LineNr"> 542 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L538" class="LineNr"> 538 </span> <span class="Constant"> . .</span> +<span id="L539" class="LineNr"> 539 </span> <span class="Constant"> . ab cd .</span> +<span id="L540" class="LineNr"> 540 </span> <span class="Constant"> . efg .</span> +<span id="L541" class="LineNr"> 541 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L542" class="LineNr"> 542 </span> <span class="Constant"> . .</span> <span id="L543" class="LineNr"> 543 </span> ] <span id="L544" class="LineNr"> 544 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L545" class="LineNr"> 545 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L546" class="LineNr"> 546 </span> memory-should-contain [ -<span id="L547" class="LineNr"> 547 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L548" class="LineNr"> 548 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 7</span> +<span id="L547" class="LineNr"> 547 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L548" class="LineNr"> 548 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 7</span> <span id="L549" class="LineNr"> 549 </span> ] <span id="L550" class="LineNr"> 550 </span> <span class="Comment"># undo</span> <span id="L551" class="LineNr"> 551 </span> assume-console [ -<span id="L552" class="LineNr"> 552 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L552" class="LineNr"> 552 </span> press ctrl-z <span id="L553" class="LineNr"> 553 </span> ] <span id="L554" class="LineNr"> 554 </span> run [ -<span id="L555" class="LineNr"> 555 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L555" class="LineNr"> 555 </span> editor-event-loop screen, console, e <span id="L556" class="LineNr"> 556 </span> ] <span id="L557" class="LineNr"> 557 </span> <span class="Comment"># typing in second line deleted, but not indent</span> <span id="L558" class="LineNr"> 558 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L559" class="LineNr"> 559 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L560" class="LineNr"> 560 </span> memory-should-contain [ -<span id="L561" class="LineNr"> 561 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L562" class="LineNr"> 562 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L561" class="LineNr"> 561 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L562" class="LineNr"> 562 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L563" class="LineNr"> 563 </span> ] <span id="L564" class="LineNr"> 564 </span> screen-should-contain [ -<span id="L565" class="LineNr"> 565 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L566" class="LineNr"> 566 </span> <span class="Conceal">¦</span><span class="Constant"> . ab cd .</span> -<span id="L567" class="LineNr"> 567 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L568" class="LineNr"> 568 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L569" class="LineNr"> 569 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L565" class="LineNr"> 565 </span> <span class="Constant"> . .</span> +<span id="L566" class="LineNr"> 566 </span> <span class="Constant"> . ab cd .</span> +<span id="L567" class="LineNr"> 567 </span> <span class="Constant"> . .</span> +<span id="L568" class="LineNr"> 568 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L569" class="LineNr"> 569 </span> <span class="Constant"> . .</span> <span id="L570" class="LineNr"> 570 </span> ] <span id="L571" class="LineNr"> 571 </span> <span class="Comment"># undo again</span> <span id="L572" class="LineNr"> 572 </span> assume-console [ -<span id="L573" class="LineNr"> 573 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L573" class="LineNr"> 573 </span> press ctrl-z <span id="L574" class="LineNr"> 574 </span> ] <span id="L575" class="LineNr"> 575 </span> run [ -<span id="L576" class="LineNr"> 576 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L576" class="LineNr"> 576 </span> editor-event-loop screen, console, e <span id="L577" class="LineNr"> 577 </span> ] <span id="L578" class="LineNr"> 578 </span> <span class="Comment"># indent and newline deleted</span> <span id="L579" class="LineNr"> 579 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L580" class="LineNr"> 580 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L581" class="LineNr"> 581 </span> memory-should-contain [ -<span id="L582" class="LineNr"> 582 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L583" class="LineNr"> 583 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 8</span> +<span id="L582" class="LineNr"> 582 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L583" class="LineNr"> 583 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 8</span> <span id="L584" class="LineNr"> 584 </span> ] <span id="L585" class="LineNr"> 585 </span> screen-should-contain [ -<span id="L586" class="LineNr"> 586 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L587" class="LineNr"> 587 </span> <span class="Conceal">¦</span><span class="Constant"> . ab cd .</span> -<span id="L588" class="LineNr"> 588 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L589" class="LineNr"> 589 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L586" class="LineNr"> 586 </span> <span class="Constant"> . .</span> +<span id="L587" class="LineNr"> 587 </span> <span class="Constant"> . ab cd .</span> +<span id="L588" class="LineNr"> 588 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L589" class="LineNr"> 589 </span> <span class="Constant"> . .</span> <span id="L590" class="LineNr"> 590 </span> ] <span id="L591" class="LineNr"> 591 </span> <span class="Comment"># undo again</span> <span id="L592" class="LineNr"> 592 </span> assume-console [ -<span id="L593" class="LineNr"> 593 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L593" class="LineNr"> 593 </span> press ctrl-z <span id="L594" class="LineNr"> 594 </span> ] <span id="L595" class="LineNr"> 595 </span> run [ -<span id="L596" class="LineNr"> 596 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L596" class="LineNr"> 596 </span> editor-event-loop screen, console, e <span id="L597" class="LineNr"> 597 </span> ] <span id="L598" class="LineNr"> 598 </span> <span class="Comment"># empty screen</span> <span id="L599" class="LineNr"> 599 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L600" class="LineNr"> 600 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L601" class="LineNr"> 601 </span> memory-should-contain [ -<span id="L602" class="LineNr"> 602 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L603" class="LineNr"> 603 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L602" class="LineNr"> 602 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L603" class="LineNr"> 603 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L604" class="LineNr"> 604 </span> ] <span id="L605" class="LineNr"> 605 </span> screen-should-contain [ -<span id="L606" class="LineNr"> 606 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L607" class="LineNr"> 607 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L608" class="LineNr"> 608 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L609" class="LineNr"> 609 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L606" class="LineNr"> 606 </span> <span class="Constant"> . .</span> +<span id="L607" class="LineNr"> 607 </span> <span class="Constant"> . .</span> +<span id="L608" class="LineNr"> 608 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L609" class="LineNr"> 609 </span> <span class="Constant"> . .</span> <span id="L610" class="LineNr"> 610 </span> ] <span id="L611" class="LineNr"> 611 </span> <span class="Comment"># redo</span> <span id="L612" class="LineNr"> 612 </span> assume-console [ -<span id="L613" class="LineNr"> 613 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L613" class="LineNr"> 613 </span> press ctrl-y <span id="L614" class="LineNr"> 614 </span> ] <span id="L615" class="LineNr"> 615 </span> run [ -<span id="L616" class="LineNr"> 616 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L616" class="LineNr"> 616 </span> editor-event-loop screen, console, e <span id="L617" class="LineNr"> 617 </span> ] <span id="L618" class="LineNr"> 618 </span> <span class="Comment"># first line inserted</span> <span id="L619" class="LineNr"> 619 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L620" class="LineNr"> 620 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L621" class="LineNr"> 621 </span> memory-should-contain [ -<span id="L622" class="LineNr"> 622 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L623" class="LineNr"> 623 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 8</span> +<span id="L622" class="LineNr"> 622 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L623" class="LineNr"> 623 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 8</span> <span id="L624" class="LineNr"> 624 </span> ] <span id="L625" class="LineNr"> 625 </span> screen-should-contain [ -<span id="L626" class="LineNr"> 626 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L627" class="LineNr"> 627 </span> <span class="Conceal">¦</span><span class="Constant"> . ab cd .</span> -<span id="L628" class="LineNr"> 628 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L629" class="LineNr"> 629 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L626" class="LineNr"> 626 </span> <span class="Constant"> . .</span> +<span id="L627" class="LineNr"> 627 </span> <span class="Constant"> . ab cd .</span> +<span id="L628" class="LineNr"> 628 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L629" class="LineNr"> 629 </span> <span class="Constant"> . .</span> <span id="L630" class="LineNr"> 630 </span> ] <span id="L631" class="LineNr"> 631 </span> <span class="Comment"># redo again</span> <span id="L632" class="LineNr"> 632 </span> assume-console [ -<span id="L633" class="LineNr"> 633 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L633" class="LineNr"> 633 </span> press ctrl-y <span id="L634" class="LineNr"> 634 </span> ] <span id="L635" class="LineNr"> 635 </span> run [ -<span id="L636" class="LineNr"> 636 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L636" class="LineNr"> 636 </span> editor-event-loop screen, console, e <span id="L637" class="LineNr"> 637 </span> ] <span id="L638" class="LineNr"> 638 </span> <span class="Comment"># newline and indent inserted</span> <span id="L639" class="LineNr"> 639 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L640" class="LineNr"> 640 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L641" class="LineNr"> 641 </span> memory-should-contain [ -<span id="L642" class="LineNr"> 642 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L643" class="LineNr"> 643 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L642" class="LineNr"> 642 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L643" class="LineNr"> 643 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L644" class="LineNr"> 644 </span> ] <span id="L645" class="LineNr"> 645 </span> screen-should-contain [ -<span id="L646" class="LineNr"> 646 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L647" class="LineNr"> 647 </span> <span class="Conceal">¦</span><span class="Constant"> . ab cd .</span> -<span id="L648" class="LineNr"> 648 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L649" class="LineNr"> 649 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L650" class="LineNr"> 650 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L646" class="LineNr"> 646 </span> <span class="Constant"> . .</span> +<span id="L647" class="LineNr"> 647 </span> <span class="Constant"> . ab cd .</span> +<span id="L648" class="LineNr"> 648 </span> <span class="Constant"> . .</span> +<span id="L649" class="LineNr"> 649 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L650" class="LineNr"> 650 </span> <span class="Constant"> . .</span> <span id="L651" class="LineNr"> 651 </span> ] <span id="L652" class="LineNr"> 652 </span> <span class="Comment"># redo again</span> <span id="L653" class="LineNr"> 653 </span> assume-console [ -<span id="L654" class="LineNr"> 654 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L654" class="LineNr"> 654 </span> press ctrl-y <span id="L655" class="LineNr"> 655 </span> ] <span id="L656" class="LineNr"> 656 </span> run [ -<span id="L657" class="LineNr"> 657 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L657" class="LineNr"> 657 </span> editor-event-loop screen, console, e <span id="L658" class="LineNr"> 658 </span> ] <span id="L659" class="LineNr"> 659 </span> <span class="Comment"># indent and newline deleted</span> <span id="L660" class="LineNr"> 660 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L661" class="LineNr"> 661 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L662" class="LineNr"> 662 </span> memory-should-contain [ -<span id="L663" class="LineNr"> 663 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L664" class="LineNr"> 664 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 7</span> +<span id="L663" class="LineNr"> 663 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L664" class="LineNr"> 664 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 7</span> <span id="L665" class="LineNr"> 665 </span> ] <span id="L666" class="LineNr"> 666 </span> screen-should-contain [ -<span id="L667" class="LineNr"> 667 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L668" class="LineNr"> 668 </span> <span class="Conceal">¦</span><span class="Constant"> . ab cd .</span> -<span id="L669" class="LineNr"> 669 </span> <span class="Conceal">¦</span><span class="Constant"> . efg .</span> -<span id="L670" class="LineNr"> 670 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L671" class="LineNr"> 671 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L667" class="LineNr"> 667 </span> <span class="Constant"> . .</span> +<span id="L668" class="LineNr"> 668 </span> <span class="Constant"> . ab cd .</span> +<span id="L669" class="LineNr"> 669 </span> <span class="Constant"> . efg .</span> +<span id="L670" class="LineNr"> 670 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L671" class="LineNr"> 671 </span> <span class="Constant"> . .</span> <span id="L672" class="LineNr"> 672 </span> ] <span id="L673" class="LineNr"> 673 </span>] <span id="L674" class="LineNr"> 674 </span> @@ -744,87 +743,87 @@ if ('onhashchange' in window) { <span id="L681" class="LineNr"> 681 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L682" class="LineNr"> 682 </span><span class="Constant">def</span> <span id="L683" class="LineNr"> 683 </span><span class="Constant">ghi]</span> -<span id="L684" class="LineNr"> 684 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L685" class="LineNr"> 685 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L684" class="LineNr"> 684 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L685" class="LineNr"> 685 </span> editor-render screen, e <span id="L686" class="LineNr"> 686 </span> <span class="Comment"># move the cursor</span> <span id="L687" class="LineNr"> 687 </span> assume-console [ -<span id="L688" class="LineNr"> 688 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> +<span id="L688" class="LineNr"> 688 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> <span id="L689" class="LineNr"> 689 </span> ] -<span id="L690" class="LineNr"> 690 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L690" class="LineNr"> 690 </span> editor-event-loop screen, console, e <span id="L691" class="LineNr"> 691 </span> <span class="Comment"># undo</span> <span id="L692" class="LineNr"> 692 </span> assume-console [ -<span id="L693" class="LineNr"> 693 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L693" class="LineNr"> 693 </span> press ctrl-z <span id="L694" class="LineNr"> 694 </span> ] <span id="L695" class="LineNr"> 695 </span> run [ -<span id="L696" class="LineNr"> 696 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L696" class="LineNr"> 696 </span> editor-event-loop screen, console, e <span id="L697" class="LineNr"> 697 </span> ] <span id="L698" class="LineNr"> 698 </span> <span class="Comment"># click undone</span> <span id="L699" class="LineNr"> 699 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L700" class="LineNr"> 700 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L701" class="LineNr"> 701 </span> memory-should-contain [ -<span id="L702" class="LineNr"> 702 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L703" class="LineNr"> 703 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L702" class="LineNr"> 702 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L703" class="LineNr"> 703 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L704" class="LineNr"> 704 </span> ] <span id="L705" class="LineNr"> 705 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L706" class="LineNr"> 706 </span> assume-console [ -<span id="L707" class="LineNr"> 707 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L707" class="LineNr"> 707 </span> type <span class="Constant">[1]</span> <span id="L708" class="LineNr"> 708 </span> ] <span id="L709" class="LineNr"> 709 </span> run [ -<span id="L710" class="LineNr"> 710 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L710" class="LineNr"> 710 </span> editor-event-loop screen, console, e <span id="L711" class="LineNr"> 711 </span> ] <span id="L712" class="LineNr"> 712 </span> screen-should-contain [ -<span id="L713" class="LineNr"> 713 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L714" class="LineNr"> 714 </span> <span class="Conceal">¦</span><span class="Constant"> .1abc .</span> -<span id="L715" class="LineNr"> 715 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L716" class="LineNr"> 716 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L717" class="LineNr"> 717 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L713" class="LineNr"> 713 </span> <span class="Constant"> . .</span> +<span id="L714" class="LineNr"> 714 </span> <span class="Constant"> .1abc .</span> +<span id="L715" class="LineNr"> 715 </span> <span class="Constant"> .def .</span> +<span id="L716" class="LineNr"> 716 </span> <span class="Constant"> .ghi .</span> +<span id="L717" class="LineNr"> 717 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L718" class="LineNr"> 718 </span> ] <span id="L719" class="LineNr"> 719 </span>] <span id="L720" class="LineNr"> 720 </span> <span id="L721" class="LineNr"> 721 </span><span class="muRecipe">after</span> <span class="Constant"><begin-move-cursor></span> [ <span id="L722" class="LineNr"> 722 </span> cursor-row-before:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L723" class="LineNr"> 723 </span> cursor-column-before:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L724" class="LineNr"> 724 </span> top-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L724" class="LineNr"> 724 </span> top-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L725" class="LineNr"> 725 </span>] <span id="L726" class="LineNr"> 726 </span><span class="muRecipe">before</span> <span class="Constant"><end-move-cursor></span> [ -<span id="L727" class="LineNr"> 727 </span> top-after:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L727" class="LineNr"> 727 </span> top-after:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L728" class="LineNr"> 728 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> <span id="L729" class="LineNr"> 729 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> <span id="L730" class="LineNr"> 730 </span> <span class="Delimiter">{</span> -<span id="L731" class="LineNr"> 731 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> undo-coalesce-tag -<span id="L732" class="LineNr"> 732 </span> <span class="Conceal">¦</span> <span class="Comment"># if previous operation was also a move, and also had the same coalesce</span> -<span id="L733" class="LineNr"> 733 </span> <span class="Conceal">¦</span> <span class="Comment"># tag, coalesce with it</span> -<span id="L734" class="LineNr"> 734 </span> <span class="Conceal">¦</span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> -<span id="L735" class="LineNr"> 735 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> undo -<span id="L736" class="LineNr"> 736 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> first undo -<span id="L737" class="LineNr"> 737 </span> <span class="Conceal">¦</span> move:<a href='012-editor-undo.mu.html#L26'>move-operation</a>, is-move?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">move:variant</span> -<span id="L738" class="LineNr"> 738 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-move? -<span id="L739" class="LineNr"> 739 </span> <span class="Conceal">¦</span> previous-coalesce-tag:num <span class="Special"><-</span> get move, <span class="Constant">tag:offset</span> -<span id="L740" class="LineNr"> 740 </span> <span class="Conceal">¦</span> coalesce?:bool <span class="Special"><-</span> equal undo-coalesce-tag, previous-coalesce-tag -<span id="L741" class="LineNr"> 741 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> coalesce? -<span id="L742" class="LineNr"> 742 </span> <span class="Conceal">¦</span> move <span class="Special"><-</span> put move, <span class="Constant">after-row:offset</span>, cursor-row -<span id="L743" class="LineNr"> 743 </span> <span class="Conceal">¦</span> move <span class="Special"><-</span> put move, <span class="Constant">after-column:offset</span>, cursor-column -<span id="L744" class="LineNr"> 744 </span> <span class="Conceal">¦</span> move <span class="Special"><-</span> put move, <span class="Constant">after-top-of-screen:offset</span>, top-after -<span id="L745" class="LineNr"> 745 </span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">1/move-operation</span>, move -<span id="L746" class="LineNr"> 746 </span> <span class="Conceal">¦</span><span class="muControl"> break</span> <span class="Constant">+done-adding-move-operation</span> +<span id="L731" class="LineNr"> 731 </span> <span class="muControl">break-unless</span> undo-coalesce-tag +<span id="L732" class="LineNr"> 732 </span> <span class="Comment"># if previous operation was also a move, and also had the same coalesce</span> +<span id="L733" class="LineNr"> 733 </span> <span class="Comment"># tag, coalesce with it</span> +<span id="L734" class="LineNr"> 734 </span> undo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> +<span id="L735" class="LineNr"> 735 </span> <span class="muControl">break-unless</span> undo +<span id="L736" class="LineNr"> 736 </span> op:&:operation <span class="Special"><-</span> first undo +<span id="L737" class="LineNr"> 737 </span> move:move-operation, is-move?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">move:variant</span> +<span id="L738" class="LineNr"> 738 </span> <span class="muControl">break-unless</span> is-move? +<span id="L739" class="LineNr"> 739 </span> previous-coalesce-tag:num <span class="Special"><-</span> get move, <span class="Constant">tag:offset</span> +<span id="L740" class="LineNr"> 740 </span> coalesce?:bool <span class="Special"><-</span> equal undo-coalesce-tag, previous-coalesce-tag +<span id="L741" class="LineNr"> 741 </span> <span class="muControl">break-unless</span> coalesce? +<span id="L742" class="LineNr"> 742 </span> move <span class="Special"><-</span> put move, <span class="Constant">after-row:offset</span>, cursor-row +<span id="L743" class="LineNr"> 743 </span> move <span class="Special"><-</span> put move, <span class="Constant">after-column:offset</span>, cursor-column +<span id="L744" class="LineNr"> 744 </span> move <span class="Special"><-</span> put move, <span class="Constant">after-top-of-screen:offset</span>, top-after +<span id="L745" class="LineNr"> 745 </span> *op <span class="Special"><-</span> merge <span class="Constant">1/move-operation</span>, move +<span id="L746" class="LineNr"> 746 </span> <span class="muControl"> break</span> <span class="Constant">+done-adding-move-operation</span> <span id="L747" class="LineNr"> 747 </span> <span class="Delimiter">}</span> -<span id="L748" class="LineNr"> 748 </span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> new <span class="Constant"><a href='012-editor-undo.mu.html#L5'>operation</a>:type</span> +<span id="L748" class="LineNr"> 748 </span> op:&:operation <span class="Special"><-</span> new <span class="Constant">operation:type</span> <span id="L749" class="LineNr"> 749 </span> *op <span class="Special"><-</span> merge <span class="Constant">1/move-operation</span>, cursor-row-before, cursor-column-before, top-before, cursor-row/after, cursor-column/after, top-after, undo-coalesce-tag -<span id="L750" class="LineNr"> 750 </span> editor <span class="Special"><-</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor, op +<span id="L750" class="LineNr"> 750 </span> editor <span class="Special"><-</span> add-operation editor, op <span id="L751" class="LineNr"> 751 </span><span class="Constant"> +done-adding-move-operation</span> <span id="L752" class="LineNr"> 752 </span>] <span id="L753" class="LineNr"> 753 </span> -<span id="L754" class="LineNr"> 754 </span><span class="muRecipe">after</span> <span class="Constant"><a href='012-editor-undo.mu.html#L78'><handle-undo></a></span> [ +<span id="L754" class="LineNr"> 754 </span><span class="muRecipe">after</span> <span class="Constant"><handle-undo></span> [ <span id="L755" class="LineNr"> 755 </span> <span class="Delimiter">{</span> -<span id="L756" class="LineNr"> 756 </span> <span class="Conceal">¦</span> move:<a href='012-editor-undo.mu.html#L26'>move-operation</a>, is-move?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">move:variant</span> -<span id="L757" class="LineNr"> 757 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-move? -<span id="L758" class="LineNr"> 758 </span> <span class="Conceal">¦</span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> -<span id="L759" class="LineNr"> 759 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> get move, <span class="Constant">before-row:offset</span> -<span id="L760" class="LineNr"> 760 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L761" class="LineNr"> 761 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> get move, <span class="Constant">before-column:offset</span> -<span id="L762" class="LineNr"> 762 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L763" class="LineNr"> 763 </span> <span class="Conceal">¦</span> top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get move, <span class="Constant">before-top-of-screen:offset</span> -<span id="L764" class="LineNr"> 764 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top +<span id="L756" class="LineNr"> 756 </span> move:move-operation, is-move?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">move:variant</span> +<span id="L757" class="LineNr"> 757 </span> <span class="muControl">break-unless</span> is-move? +<span id="L758" class="LineNr"> 758 </span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> +<span id="L759" class="LineNr"> 759 </span> cursor-row <span class="Special"><-</span> get move, <span class="Constant">before-row:offset</span> +<span id="L760" class="LineNr"> 760 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L761" class="LineNr"> 761 </span> cursor-column <span class="Special"><-</span> get move, <span class="Constant">before-column:offset</span> +<span id="L762" class="LineNr"> 762 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L763" class="LineNr"> 763 </span> top:&:duplex-list:char <span class="Special"><-</span> get move, <span class="Constant">before-top-of-screen:offset</span> +<span id="L764" class="LineNr"> 764 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top <span id="L765" class="LineNr"> 765 </span> <span class="Delimiter">}</span> <span id="L766" class="LineNr"> 766 </span>] <span id="L767" class="LineNr"> 767 </span> @@ -836,59 +835,59 @@ if ('onhashchange' in window) { <span id="L773" class="LineNr"> 773 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[a</span> <span id="L774" class="LineNr"> 774 </span><span class="Constant">b</span> <span id="L775" class="LineNr"> 775 </span><span class="Constant">cdefgh]</span> -<span id="L776" class="LineNr"> 776 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> +<span id="L776" class="LineNr"> 776 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">5/right</span> <span id="L777" class="LineNr"> 777 </span> <span class="Comment"># position cursor at end of screen and try to move right</span> <span id="L778" class="LineNr"> 778 </span> assume-console [ -<span id="L779" class="LineNr"> 779 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> -<span id="L780" class="LineNr"> 780 </span> <span class="Conceal">¦</span> press right-arrow +<span id="L779" class="LineNr"> 779 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 3</span> +<span id="L780" class="LineNr"> 780 </span> press right-arrow <span id="L781" class="LineNr"> 781 </span> ] -<span id="L782" class="LineNr"> 782 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L782" class="LineNr"> 782 </span> editor-event-loop screen, console, e <span id="L783" class="LineNr"> 783 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L784" class="LineNr"> 784 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L785" class="LineNr"> 785 </span> <span class="Comment"># screen scrolls</span> <span id="L786" class="LineNr"> 786 </span> screen-should-contain [ -<span id="L787" class="LineNr"> 787 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L788" class="LineNr"> 788 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L789" class="LineNr"> 789 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .cdef↩.</span> -<span id="L790" class="LineNr"> 790 </span> <span class="Conceal">¦</span><span class="Constant"> .gh .</span> +<span id="L787" class="LineNr"> 787 </span> <span class="Constant"> . .</span> +<span id="L788" class="LineNr"> 788 </span> <span class="Constant"> .b .</span> +<span id="L789" class="LineNr"> 789 </span><span class="Constant"> .cdef↩.</span> +<span id="L790" class="LineNr"> 790 </span> <span class="Constant"> .gh .</span> <span id="L791" class="LineNr"> 791 </span> ] <span id="L792" class="LineNr"> 792 </span> memory-should-contain [ -<span id="L793" class="LineNr"> 793 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L794" class="LineNr"> 794 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L793" class="LineNr"> 793 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L794" class="LineNr"> 794 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L795" class="LineNr"> 795 </span> ] <span id="L796" class="LineNr"> 796 </span> <span class="Comment"># undo</span> <span id="L797" class="LineNr"> 797 </span> assume-console [ -<span id="L798" class="LineNr"> 798 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L798" class="LineNr"> 798 </span> press ctrl-z <span id="L799" class="LineNr"> 799 </span> ] <span id="L800" class="LineNr"> 800 </span> run [ -<span id="L801" class="LineNr"> 801 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L801" class="LineNr"> 801 </span> editor-event-loop screen, console, e <span id="L802" class="LineNr"> 802 </span> ] <span id="L803" class="LineNr"> 803 </span> <span class="Comment"># cursor moved back</span> <span id="L804" class="LineNr"> 804 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L805" class="LineNr"> 805 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L806" class="LineNr"> 806 </span> memory-should-contain [ -<span id="L807" class="LineNr"> 807 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L808" class="LineNr"> 808 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L807" class="LineNr"> 807 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L808" class="LineNr"> 808 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L809" class="LineNr"> 809 </span> ] <span id="L810" class="LineNr"> 810 </span> <span class="Comment"># scroll undone</span> <span id="L811" class="LineNr"> 811 </span> screen-should-contain [ -<span id="L812" class="LineNr"> 812 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L813" class="LineNr"> 813 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L814" class="LineNr"> 814 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L815" class="LineNr"> 815 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .cdef↩.</span> +<span id="L812" class="LineNr"> 812 </span> <span class="Constant"> . .</span> +<span id="L813" class="LineNr"> 813 </span> <span class="Constant"> .a .</span> +<span id="L814" class="LineNr"> 814 </span> <span class="Constant"> .b .</span> +<span id="L815" class="LineNr"> 815 </span><span class="Constant"> .cdef↩.</span> <span id="L816" class="LineNr"> 816 </span> ] <span id="L817" class="LineNr"> 817 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L818" class="LineNr"> 818 </span> assume-console [ -<span id="L819" class="LineNr"> 819 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L819" class="LineNr"> 819 </span> type <span class="Constant">[1]</span> <span id="L820" class="LineNr"> 820 </span> ] <span id="L821" class="LineNr"> 821 </span> run [ -<span id="L822" class="LineNr"> 822 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L822" class="LineNr"> 822 </span> editor-event-loop screen, console, e <span id="L823" class="LineNr"> 823 </span> ] <span id="L824" class="LineNr"> 824 </span> screen-should-contain [ -<span id="L825" class="LineNr"> 825 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L826" class="LineNr"> 826 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L827" class="LineNr"> 827 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .cde1↩.</span> -<span id="L828" class="LineNr"> 828 </span> <span class="Conceal">¦</span><span class="Constant"> .fgh .</span> +<span id="L825" class="LineNr"> 825 </span> <span class="Constant"> . .</span> +<span id="L826" class="LineNr"> 826 </span> <span class="Constant"> .b .</span> +<span id="L827" class="LineNr"> 827 </span><span class="Constant"> .cde1↩.</span> +<span id="L828" class="LineNr"> 828 </span> <span class="Constant"> .fgh .</span> <span id="L829" class="LineNr"> 829 </span> ] <span id="L830" class="LineNr"> 830 </span>] <span id="L831" class="LineNr"> 831 </span> @@ -899,41 +898,41 @@ if ('onhashchange' in window) { <span id="L836" class="LineNr"> 836 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L837" class="LineNr"> 837 </span><span class="Constant">def</span> <span id="L838" class="LineNr"> 838 </span><span class="Constant">ghi]</span> -<span id="L839" class="LineNr"> 839 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L840" class="LineNr"> 840 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L839" class="LineNr"> 839 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L840" class="LineNr"> 840 </span> editor-render screen, e <span id="L841" class="LineNr"> 841 </span> <span class="Comment"># move the cursor</span> <span id="L842" class="LineNr"> 842 </span> assume-console [ -<span id="L843" class="LineNr"> 843 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> -<span id="L844" class="LineNr"> 844 </span> <span class="Conceal">¦</span> press left-arrow +<span id="L843" class="LineNr"> 843 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> +<span id="L844" class="LineNr"> 844 </span> press left-arrow <span id="L845" class="LineNr"> 845 </span> ] -<span id="L846" class="LineNr"> 846 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L846" class="LineNr"> 846 </span> editor-event-loop screen, console, e <span id="L847" class="LineNr"> 847 </span> <span class="Comment"># undo</span> <span id="L848" class="LineNr"> 848 </span> assume-console [ -<span id="L849" class="LineNr"> 849 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L849" class="LineNr"> 849 </span> press ctrl-z <span id="L850" class="LineNr"> 850 </span> ] <span id="L851" class="LineNr"> 851 </span> run [ -<span id="L852" class="LineNr"> 852 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L852" class="LineNr"> 852 </span> editor-event-loop screen, console, e <span id="L853" class="LineNr"> 853 </span> ] <span id="L854" class="LineNr"> 854 </span> <span class="Comment"># cursor moves back</span> <span id="L855" class="LineNr"> 855 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L856" class="LineNr"> 856 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L857" class="LineNr"> 857 </span> memory-should-contain [ -<span id="L858" class="LineNr"> 858 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L859" class="LineNr"> 859 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L858" class="LineNr"> 858 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L859" class="LineNr"> 859 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L860" class="LineNr"> 860 </span> ] <span id="L861" class="LineNr"> 861 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L862" class="LineNr"> 862 </span> assume-console [ -<span id="L863" class="LineNr"> 863 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L863" class="LineNr"> 863 </span> type <span class="Constant">[1]</span> <span id="L864" class="LineNr"> 864 </span> ] <span id="L865" class="LineNr"> 865 </span> run [ -<span id="L866" class="LineNr"> 866 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L866" class="LineNr"> 866 </span> editor-event-loop screen, console, e <span id="L867" class="LineNr"> 867 </span> ] <span id="L868" class="LineNr"> 868 </span> screen-should-contain [ -<span id="L869" class="LineNr"> 869 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L870" class="LineNr"> 870 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L871" class="LineNr"> 871 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L872" class="LineNr"> 872 </span> <span class="Conceal">¦</span><span class="Constant"> .g1hi .</span> -<span id="L873" class="LineNr"> 873 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L869" class="LineNr"> 869 </span> <span class="Constant"> . .</span> +<span id="L870" class="LineNr"> 870 </span> <span class="Constant"> .abc .</span> +<span id="L871" class="LineNr"> 871 </span> <span class="Constant"> .def .</span> +<span id="L872" class="LineNr"> 872 </span> <span class="Constant"> .g1hi .</span> +<span id="L873" class="LineNr"> 873 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L874" class="LineNr"> 874 </span> ] <span id="L875" class="LineNr"> 875 </span>] <span id="L876" class="LineNr"> 876 </span> @@ -944,47 +943,47 @@ if ('onhashchange' in window) { <span id="L881" class="LineNr"> 881 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L882" class="LineNr"> 882 </span><span class="Constant">def</span> <span id="L883" class="LineNr"> 883 </span><span class="Constant">ghi]</span> -<span id="L884" class="LineNr"> 884 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L885" class="LineNr"> 885 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L884" class="LineNr"> 884 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L885" class="LineNr"> 885 </span> editor-render screen, e <span id="L886" class="LineNr"> 886 </span> <span class="Comment"># move the cursor</span> <span id="L887" class="LineNr"> 887 </span> assume-console [ -<span id="L888" class="LineNr"> 888 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> -<span id="L889" class="LineNr"> 889 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L888" class="LineNr"> 888 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> +<span id="L889" class="LineNr"> 889 </span> press up-arrow <span id="L890" class="LineNr"> 890 </span> ] -<span id="L891" class="LineNr"> 891 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L891" class="LineNr"> 891 </span> editor-event-loop screen, console, e <span id="L892" class="LineNr"> 892 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L893" class="LineNr"> 893 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L894" class="LineNr"> 894 </span> memory-should-contain [ -<span id="L895" class="LineNr"> 895 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L896" class="LineNr"> 896 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L895" class="LineNr"> 895 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L896" class="LineNr"> 896 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L897" class="LineNr"> 897 </span> ] <span id="L898" class="LineNr"> 898 </span> <span class="Comment"># undo</span> <span id="L899" class="LineNr"> 899 </span> assume-console [ -<span id="L900" class="LineNr"> 900 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L900" class="LineNr"> 900 </span> press ctrl-z <span id="L901" class="LineNr"> 901 </span> ] <span id="L902" class="LineNr"> 902 </span> run [ -<span id="L903" class="LineNr"> 903 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L903" class="LineNr"> 903 </span> editor-event-loop screen, console, e <span id="L904" class="LineNr"> 904 </span> ] <span id="L905" class="LineNr"> 905 </span> <span class="Comment"># cursor moves back</span> <span id="L906" class="LineNr"> 906 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L907" class="LineNr"> 907 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L908" class="LineNr"> 908 </span> memory-should-contain [ -<span id="L909" class="LineNr"> 909 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L910" class="LineNr"> 910 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L909" class="LineNr"> 909 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L910" class="LineNr"> 910 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L911" class="LineNr"> 911 </span> ] <span id="L912" class="LineNr"> 912 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L913" class="LineNr"> 913 </span> assume-console [ -<span id="L914" class="LineNr"> 914 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L914" class="LineNr"> 914 </span> type <span class="Constant">[1]</span> <span id="L915" class="LineNr"> 915 </span> ] <span id="L916" class="LineNr"> 916 </span> run [ -<span id="L917" class="LineNr"> 917 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L917" class="LineNr"> 917 </span> editor-event-loop screen, console, e <span id="L918" class="LineNr"> 918 </span> ] <span id="L919" class="LineNr"> 919 </span> screen-should-contain [ -<span id="L920" class="LineNr"> 920 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L921" class="LineNr"> 921 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L922" class="LineNr"> 922 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L923" class="LineNr"> 923 </span> <span class="Conceal">¦</span><span class="Constant"> .g1hi .</span> -<span id="L924" class="LineNr"> 924 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L920" class="LineNr"> 920 </span> <span class="Constant"> . .</span> +<span id="L921" class="LineNr"> 921 </span> <span class="Constant"> .abc .</span> +<span id="L922" class="LineNr"> 922 </span> <span class="Constant"> .def .</span> +<span id="L923" class="LineNr"> 923 </span> <span class="Constant"> .g1hi .</span> +<span id="L924" class="LineNr"> 924 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L925" class="LineNr"> 925 </span> ] <span id="L926" class="LineNr"> 926 </span>] <span id="L927" class="LineNr"> 927 </span> @@ -995,41 +994,41 @@ if ('onhashchange' in window) { <span id="L932" class="LineNr"> 932 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L933" class="LineNr"> 933 </span><span class="Constant">def</span> <span id="L934" class="LineNr"> 934 </span><span class="Constant">ghi]</span> -<span id="L935" class="LineNr"> 935 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L936" class="LineNr"> 936 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L935" class="LineNr"> 935 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L936" class="LineNr"> 936 </span> editor-render screen, e <span id="L937" class="LineNr"> 937 </span> <span class="Comment"># move the cursor</span> <span id="L938" class="LineNr"> 938 </span> assume-console [ -<span id="L939" class="LineNr"> 939 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L940" class="LineNr"> 940 </span> <span class="Conceal">¦</span> press down-arrow +<span id="L939" class="LineNr"> 939 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L940" class="LineNr"> 940 </span> press down-arrow <span id="L941" class="LineNr"> 941 </span> ] -<span id="L942" class="LineNr"> 942 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L942" class="LineNr"> 942 </span> editor-event-loop screen, console, e <span id="L943" class="LineNr"> 943 </span> <span class="Comment"># undo</span> <span id="L944" class="LineNr"> 944 </span> assume-console [ -<span id="L945" class="LineNr"> 945 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L945" class="LineNr"> 945 </span> press ctrl-z <span id="L946" class="LineNr"> 946 </span> ] <span id="L947" class="LineNr"> 947 </span> run [ -<span id="L948" class="LineNr"> 948 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L948" class="LineNr"> 948 </span> editor-event-loop screen, console, e <span id="L949" class="LineNr"> 949 </span> ] <span id="L950" class="LineNr"> 950 </span> <span class="Comment"># cursor moves back</span> <span id="L951" class="LineNr"> 951 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L952" class="LineNr"> 952 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L953" class="LineNr"> 953 </span> memory-should-contain [ -<span id="L954" class="LineNr"> 954 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L955" class="LineNr"> 955 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L954" class="LineNr"> 954 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L955" class="LineNr"> 955 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L956" class="LineNr"> 956 </span> ] <span id="L957" class="LineNr"> 957 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L958" class="LineNr"> 958 </span> assume-console [ -<span id="L959" class="LineNr"> 959 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L959" class="LineNr"> 959 </span> type <span class="Constant">[1]</span> <span id="L960" class="LineNr"> 960 </span> ] <span id="L961" class="LineNr"> 961 </span> run [ -<span id="L962" class="LineNr"> 962 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L962" class="LineNr"> 962 </span> editor-event-loop screen, console, e <span id="L963" class="LineNr"> 963 </span> ] <span id="L964" class="LineNr"> 964 </span> screen-should-contain [ -<span id="L965" class="LineNr"> 965 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L966" class="LineNr"> 966 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L967" class="LineNr"> 967 </span> <span class="Conceal">¦</span><span class="Constant"> .d1ef .</span> -<span id="L968" class="LineNr"> 968 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L969" class="LineNr"> 969 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L965" class="LineNr"> 965 </span> <span class="Constant"> . .</span> +<span id="L966" class="LineNr"> 966 </span> <span class="Constant"> .abc .</span> +<span id="L967" class="LineNr"> 967 </span> <span class="Constant"> .d1ef .</span> +<span id="L968" class="LineNr"> 968 </span> <span class="Constant"> .ghi .</span> +<span id="L969" class="LineNr"> 969 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L970" class="LineNr"> 970 </span> ] <span id="L971" class="LineNr"> 971 </span>] <span id="L972" class="LineNr"> 972 </span> @@ -1043,27 +1042,27 @@ if ('onhashchange' in window) { <span id="L980" class="LineNr"> 980 </span><span class="Constant">d</span> <span id="L981" class="LineNr"> 981 </span><span class="Constant">e</span> <span id="L982" class="LineNr"> 982 </span><span class="Constant">f]</span> -<span id="L983" class="LineNr"> 983 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L984" class="LineNr"> 984 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L983" class="LineNr"> 983 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L984" class="LineNr"> 984 </span> editor-render screen, e <span id="L985" class="LineNr"> 985 </span> <span class="Comment"># scroll the page</span> <span id="L986" class="LineNr"> 986 </span> assume-console [ -<span id="L987" class="LineNr"> 987 </span> <span class="Conceal">¦</span> press ctrl-f +<span id="L987" class="LineNr"> 987 </span> press ctrl-f <span id="L988" class="LineNr"> 988 </span> ] -<span id="L989" class="LineNr"> 989 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L989" class="LineNr"> 989 </span> editor-event-loop screen, console, e <span id="L990" class="LineNr"> 990 </span> <span class="Comment"># undo</span> <span id="L991" class="LineNr"> 991 </span> assume-console [ -<span id="L992" class="LineNr"> 992 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L992" class="LineNr"> 992 </span> press ctrl-z <span id="L993" class="LineNr"> 993 </span> ] <span id="L994" class="LineNr"> 994 </span> run [ -<span id="L995" class="LineNr"> 995 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L995" class="LineNr"> 995 </span> editor-event-loop screen, console, e <span id="L996" class="LineNr"> 996 </span> ] <span id="L997" class="LineNr"> 997 </span> <span class="Comment"># screen should again show page 1</span> <span id="L998" class="LineNr"> 998 </span> screen-should-contain [ -<span id="L999" class="LineNr"> 999 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1000" class="LineNr">1000 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L1001" class="LineNr">1001 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L1002" class="LineNr">1002 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L1003" class="LineNr">1003 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L999" class="LineNr"> 999 </span> <span class="Constant"> . .</span> +<span id="L1000" class="LineNr">1000 </span> <span class="Constant"> .a .</span> +<span id="L1001" class="LineNr">1001 </span> <span class="Constant"> .b .</span> +<span id="L1002" class="LineNr">1002 </span> <span class="Constant"> .c .</span> +<span id="L1003" class="LineNr">1003 </span> <span class="Constant"> .d .</span> <span id="L1004" class="LineNr">1004 </span> ] <span id="L1005" class="LineNr">1005 </span>] <span id="L1006" class="LineNr">1006 </span> @@ -1077,27 +1076,27 @@ if ('onhashchange' in window) { <span id="L1014" class="LineNr">1014 </span><span class="Constant">d</span> <span id="L1015" class="LineNr">1015 </span><span class="Constant">e</span> <span id="L1016" class="LineNr">1016 </span><span class="Constant">f]</span> -<span id="L1017" class="LineNr">1017 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1018" class="LineNr">1018 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1017" class="LineNr">1017 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1018" class="LineNr">1018 </span> editor-render screen, e <span id="L1019" class="LineNr">1019 </span> <span class="Comment"># scroll the page</span> <span id="L1020" class="LineNr">1020 </span> assume-console [ -<span id="L1021" class="LineNr">1021 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> +<span id="L1021" class="LineNr">1021 </span> press page-down <span id="L1022" class="LineNr">1022 </span> ] -<span id="L1023" class="LineNr">1023 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1023" class="LineNr">1023 </span> editor-event-loop screen, console, e <span id="L1024" class="LineNr">1024 </span> <span class="Comment"># undo</span> <span id="L1025" class="LineNr">1025 </span> assume-console [ -<span id="L1026" class="LineNr">1026 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1026" class="LineNr">1026 </span> press ctrl-z <span id="L1027" class="LineNr">1027 </span> ] <span id="L1028" class="LineNr">1028 </span> run [ -<span id="L1029" class="LineNr">1029 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1029" class="LineNr">1029 </span> editor-event-loop screen, console, e <span id="L1030" class="LineNr">1030 </span> ] <span id="L1031" class="LineNr">1031 </span> <span class="Comment"># screen should again show page 1</span> <span id="L1032" class="LineNr">1032 </span> screen-should-contain [ -<span id="L1033" class="LineNr">1033 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1034" class="LineNr">1034 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L1035" class="LineNr">1035 </span> <span class="Conceal">¦</span><span class="Constant"> .b .</span> -<span id="L1036" class="LineNr">1036 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L1037" class="LineNr">1037 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> +<span id="L1033" class="LineNr">1033 </span> <span class="Constant"> . .</span> +<span id="L1034" class="LineNr">1034 </span> <span class="Constant"> .a .</span> +<span id="L1035" class="LineNr">1035 </span> <span class="Constant"> .b .</span> +<span id="L1036" class="LineNr">1036 </span> <span class="Constant"> .c .</span> +<span id="L1037" class="LineNr">1037 </span> <span class="Constant"> .d .</span> <span id="L1038" class="LineNr">1038 </span> ] <span id="L1039" class="LineNr">1039 </span>] <span id="L1040" class="LineNr">1040 </span> @@ -1111,28 +1110,28 @@ if ('onhashchange' in window) { <span id="L1048" class="LineNr">1048 </span><span class="Constant">d</span> <span id="L1049" class="LineNr">1049 </span><span class="Constant">e</span> <span id="L1050" class="LineNr">1050 </span><span class="Constant">f]</span> -<span id="L1051" class="LineNr">1051 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1052" class="LineNr">1052 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1051" class="LineNr">1051 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1052" class="LineNr">1052 </span> editor-render screen, e <span id="L1053" class="LineNr">1053 </span> <span class="Comment"># scroll the page down and up</span> <span id="L1054" class="LineNr">1054 </span> assume-console [ -<span id="L1055" class="LineNr">1055 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L1056" class="LineNr">1056 </span> <span class="Conceal">¦</span> press ctrl-b +<span id="L1055" class="LineNr">1055 </span> press page-down +<span id="L1056" class="LineNr">1056 </span> press ctrl-b <span id="L1057" class="LineNr">1057 </span> ] -<span id="L1058" class="LineNr">1058 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1058" class="LineNr">1058 </span> editor-event-loop screen, console, e <span id="L1059" class="LineNr">1059 </span> <span class="Comment"># undo</span> <span id="L1060" class="LineNr">1060 </span> assume-console [ -<span id="L1061" class="LineNr">1061 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1061" class="LineNr">1061 </span> press ctrl-z <span id="L1062" class="LineNr">1062 </span> ] <span id="L1063" class="LineNr">1063 </span> run [ -<span id="L1064" class="LineNr">1064 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1064" class="LineNr">1064 </span> editor-event-loop screen, console, e <span id="L1065" class="LineNr">1065 </span> ] <span id="L1066" class="LineNr">1066 </span> <span class="Comment"># screen should again show page 2</span> <span id="L1067" class="LineNr">1067 </span> screen-should-contain [ -<span id="L1068" class="LineNr">1068 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1069" class="LineNr">1069 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L1070" class="LineNr">1070 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L1071" class="LineNr">1071 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L1072" class="LineNr">1072 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1068" class="LineNr">1068 </span> <span class="Constant"> . .</span> +<span id="L1069" class="LineNr">1069 </span> <span class="Constant"> .d .</span> +<span id="L1070" class="LineNr">1070 </span> <span class="Constant"> .e .</span> +<span id="L1071" class="LineNr">1071 </span> <span class="Constant"> .f .</span> +<span id="L1072" class="LineNr">1072 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1073" class="LineNr">1073 </span> ] <span id="L1074" class="LineNr">1074 </span>] <span id="L1075" class="LineNr">1075 </span> @@ -1146,28 +1145,28 @@ if ('onhashchange' in window) { <span id="L1083" class="LineNr">1083 </span><span class="Constant">d</span> <span id="L1084" class="LineNr">1084 </span><span class="Constant">e</span> <span id="L1085" class="LineNr">1085 </span><span class="Constant">f]</span> -<span id="L1086" class="LineNr">1086 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1087" class="LineNr">1087 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1086" class="LineNr">1086 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1087" class="LineNr">1087 </span> editor-render screen, e <span id="L1088" class="LineNr">1088 </span> <span class="Comment"># scroll the page down and up</span> <span id="L1089" class="LineNr">1089 </span> assume-console [ -<span id="L1090" class="LineNr">1090 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a> -<span id="L1091" class="LineNr">1091 </span> <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3820'>page-up</a> +<span id="L1090" class="LineNr">1090 </span> press page-down +<span id="L1091" class="LineNr">1091 </span> press page-up <span id="L1092" class="LineNr">1092 </span> ] -<span id="L1093" class="LineNr">1093 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1093" class="LineNr">1093 </span> editor-event-loop screen, console, e <span id="L1094" class="LineNr">1094 </span> <span class="Comment"># undo</span> <span id="L1095" class="LineNr">1095 </span> assume-console [ -<span id="L1096" class="LineNr">1096 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1096" class="LineNr">1096 </span> press ctrl-z <span id="L1097" class="LineNr">1097 </span> ] <span id="L1098" class="LineNr">1098 </span> run [ -<span id="L1099" class="LineNr">1099 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1099" class="LineNr">1099 </span> editor-event-loop screen, console, e <span id="L1100" class="LineNr">1100 </span> ] <span id="L1101" class="LineNr">1101 </span> <span class="Comment"># screen should again show page 2</span> <span id="L1102" class="LineNr">1102 </span> screen-should-contain [ -<span id="L1103" class="LineNr">1103 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1104" class="LineNr">1104 </span> <span class="Conceal">¦</span><span class="Constant"> .d .</span> -<span id="L1105" class="LineNr">1105 </span> <span class="Conceal">¦</span><span class="Constant"> .e .</span> -<span id="L1106" class="LineNr">1106 </span> <span class="Conceal">¦</span><span class="Constant"> .f .</span> -<span id="L1107" class="LineNr">1107 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1103" class="LineNr">1103 </span> <span class="Constant"> . .</span> +<span id="L1104" class="LineNr">1104 </span> <span class="Constant"> .d .</span> +<span id="L1105" class="LineNr">1105 </span> <span class="Constant"> .e .</span> +<span id="L1106" class="LineNr">1106 </span> <span class="Constant"> .f .</span> +<span id="L1107" class="LineNr">1107 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1108" class="LineNr">1108 </span> ] <span id="L1109" class="LineNr">1109 </span>] <span id="L1110" class="LineNr">1110 </span> @@ -1178,41 +1177,41 @@ if ('onhashchange' in window) { <span id="L1115" class="LineNr">1115 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1116" class="LineNr">1116 </span><span class="Constant">def</span> <span id="L1117" class="LineNr">1117 </span><span class="Constant">ghi]</span> -<span id="L1118" class="LineNr">1118 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1119" class="LineNr">1119 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1118" class="LineNr">1118 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1119" class="LineNr">1119 </span> editor-render screen, e <span id="L1120" class="LineNr">1120 </span> <span class="Comment"># move the cursor, then to start of line</span> <span id="L1121" class="LineNr">1121 </span> assume-console [ -<span id="L1122" class="LineNr">1122 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1123" class="LineNr">1123 </span> <span class="Conceal">¦</span> press ctrl-a +<span id="L1122" class="LineNr">1122 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1123" class="LineNr">1123 </span> press ctrl-a <span id="L1124" class="LineNr">1124 </span> ] -<span id="L1125" class="LineNr">1125 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1125" class="LineNr">1125 </span> editor-event-loop screen, console, e <span id="L1126" class="LineNr">1126 </span> <span class="Comment"># undo</span> <span id="L1127" class="LineNr">1127 </span> assume-console [ -<span id="L1128" class="LineNr">1128 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1128" class="LineNr">1128 </span> press ctrl-z <span id="L1129" class="LineNr">1129 </span> ] <span id="L1130" class="LineNr">1130 </span> run [ -<span id="L1131" class="LineNr">1131 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1131" class="LineNr">1131 </span> editor-event-loop screen, console, e <span id="L1132" class="LineNr">1132 </span> ] <span id="L1133" class="LineNr">1133 </span> <span class="Comment"># cursor moves back</span> <span id="L1134" class="LineNr">1134 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1135" class="LineNr">1135 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1136" class="LineNr">1136 </span> memory-should-contain [ -<span id="L1137" class="LineNr">1137 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1138" class="LineNr">1138 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1137" class="LineNr">1137 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1138" class="LineNr">1138 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1139" class="LineNr">1139 </span> ] <span id="L1140" class="LineNr">1140 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L1141" class="LineNr">1141 </span> assume-console [ -<span id="L1142" class="LineNr">1142 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L1142" class="LineNr">1142 </span> type <span class="Constant">[1]</span> <span id="L1143" class="LineNr">1143 </span> ] <span id="L1144" class="LineNr">1144 </span> run [ -<span id="L1145" class="LineNr">1145 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1145" class="LineNr">1145 </span> editor-event-loop screen, console, e <span id="L1146" class="LineNr">1146 </span> ] <span id="L1147" class="LineNr">1147 </span> screen-should-contain [ -<span id="L1148" class="LineNr">1148 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1149" class="LineNr">1149 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1150" class="LineNr">1150 </span> <span class="Conceal">¦</span><span class="Constant"> .d1ef .</span> -<span id="L1151" class="LineNr">1151 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L1152" class="LineNr">1152 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1148" class="LineNr">1148 </span> <span class="Constant"> . .</span> +<span id="L1149" class="LineNr">1149 </span> <span class="Constant"> .abc .</span> +<span id="L1150" class="LineNr">1150 </span> <span class="Constant"> .d1ef .</span> +<span id="L1151" class="LineNr">1151 </span> <span class="Constant"> .ghi .</span> +<span id="L1152" class="LineNr">1152 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1153" class="LineNr">1153 </span> ] <span id="L1154" class="LineNr">1154 </span>] <span id="L1155" class="LineNr">1155 </span> @@ -1223,41 +1222,41 @@ if ('onhashchange' in window) { <span id="L1160" class="LineNr">1160 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1161" class="LineNr">1161 </span><span class="Constant">def</span> <span id="L1162" class="LineNr">1162 </span><span class="Constant">ghi]</span> -<span id="L1163" class="LineNr">1163 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1164" class="LineNr">1164 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1163" class="LineNr">1163 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1164" class="LineNr">1164 </span> editor-render screen, e <span id="L1165" class="LineNr">1165 </span> <span class="Comment"># move the cursor, then to start of line</span> <span id="L1166" class="LineNr">1166 </span> assume-console [ -<span id="L1167" class="LineNr">1167 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1168" class="LineNr">1168 </span> <span class="Conceal">¦</span> press home +<span id="L1167" class="LineNr">1167 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1168" class="LineNr">1168 </span> press home <span id="L1169" class="LineNr">1169 </span> ] -<span id="L1170" class="LineNr">1170 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1170" class="LineNr">1170 </span> editor-event-loop screen, console, e <span id="L1171" class="LineNr">1171 </span> <span class="Comment"># undo</span> <span id="L1172" class="LineNr">1172 </span> assume-console [ -<span id="L1173" class="LineNr">1173 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1173" class="LineNr">1173 </span> press ctrl-z <span id="L1174" class="LineNr">1174 </span> ] <span id="L1175" class="LineNr">1175 </span> run [ -<span id="L1176" class="LineNr">1176 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1176" class="LineNr">1176 </span> editor-event-loop screen, console, e <span id="L1177" class="LineNr">1177 </span> ] <span id="L1178" class="LineNr">1178 </span> <span class="Comment"># cursor moves back</span> <span id="L1179" class="LineNr">1179 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1180" class="LineNr">1180 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1181" class="LineNr">1181 </span> memory-should-contain [ -<span id="L1182" class="LineNr">1182 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1183" class="LineNr">1183 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1182" class="LineNr">1182 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1183" class="LineNr">1183 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1184" class="LineNr">1184 </span> ] <span id="L1185" class="LineNr">1185 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L1186" class="LineNr">1186 </span> assume-console [ -<span id="L1187" class="LineNr">1187 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L1187" class="LineNr">1187 </span> type <span class="Constant">[1]</span> <span id="L1188" class="LineNr">1188 </span> ] <span id="L1189" class="LineNr">1189 </span> run [ -<span id="L1190" class="LineNr">1190 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1190" class="LineNr">1190 </span> editor-event-loop screen, console, e <span id="L1191" class="LineNr">1191 </span> ] <span id="L1192" class="LineNr">1192 </span> screen-should-contain [ -<span id="L1193" class="LineNr">1193 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1194" class="LineNr">1194 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1195" class="LineNr">1195 </span> <span class="Conceal">¦</span><span class="Constant"> .d1ef .</span> -<span id="L1196" class="LineNr">1196 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L1197" class="LineNr">1197 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1193" class="LineNr">1193 </span> <span class="Constant"> . .</span> +<span id="L1194" class="LineNr">1194 </span> <span class="Constant"> .abc .</span> +<span id="L1195" class="LineNr">1195 </span> <span class="Constant"> .d1ef .</span> +<span id="L1196" class="LineNr">1196 </span> <span class="Constant"> .ghi .</span> +<span id="L1197" class="LineNr">1197 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1198" class="LineNr">1198 </span> ] <span id="L1199" class="LineNr">1199 </span>] <span id="L1200" class="LineNr">1200 </span> @@ -1268,41 +1267,41 @@ if ('onhashchange' in window) { <span id="L1205" class="LineNr">1205 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1206" class="LineNr">1206 </span><span class="Constant">def</span> <span id="L1207" class="LineNr">1207 </span><span class="Constant">ghi]</span> -<span id="L1208" class="LineNr">1208 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1209" class="LineNr">1209 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1208" class="LineNr">1208 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1209" class="LineNr">1209 </span> editor-render screen, e <span id="L1210" class="LineNr">1210 </span> <span class="Comment"># move the cursor, then to start of line</span> <span id="L1211" class="LineNr">1211 </span> assume-console [ -<span id="L1212" class="LineNr">1212 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1213" class="LineNr">1213 </span> <span class="Conceal">¦</span> press ctrl-e +<span id="L1212" class="LineNr">1212 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1213" class="LineNr">1213 </span> press ctrl-e <span id="L1214" class="LineNr">1214 </span> ] -<span id="L1215" class="LineNr">1215 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1215" class="LineNr">1215 </span> editor-event-loop screen, console, e <span id="L1216" class="LineNr">1216 </span> <span class="Comment"># undo</span> <span id="L1217" class="LineNr">1217 </span> assume-console [ -<span id="L1218" class="LineNr">1218 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1218" class="LineNr">1218 </span> press ctrl-z <span id="L1219" class="LineNr">1219 </span> ] <span id="L1220" class="LineNr">1220 </span> run [ -<span id="L1221" class="LineNr">1221 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1221" class="LineNr">1221 </span> editor-event-loop screen, console, e <span id="L1222" class="LineNr">1222 </span> ] <span id="L1223" class="LineNr">1223 </span> <span class="Comment"># cursor moves back</span> <span id="L1224" class="LineNr">1224 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1225" class="LineNr">1225 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1226" class="LineNr">1226 </span> memory-should-contain [ -<span id="L1227" class="LineNr">1227 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1228" class="LineNr">1228 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1227" class="LineNr">1227 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1228" class="LineNr">1228 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1229" class="LineNr">1229 </span> ] <span id="L1230" class="LineNr">1230 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L1231" class="LineNr">1231 </span> assume-console [ -<span id="L1232" class="LineNr">1232 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L1232" class="LineNr">1232 </span> type <span class="Constant">[1]</span> <span id="L1233" class="LineNr">1233 </span> ] <span id="L1234" class="LineNr">1234 </span> run [ -<span id="L1235" class="LineNr">1235 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1235" class="LineNr">1235 </span> editor-event-loop screen, console, e <span id="L1236" class="LineNr">1236 </span> ] <span id="L1237" class="LineNr">1237 </span> screen-should-contain [ -<span id="L1238" class="LineNr">1238 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1239" class="LineNr">1239 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1240" class="LineNr">1240 </span> <span class="Conceal">¦</span><span class="Constant"> .d1ef .</span> -<span id="L1241" class="LineNr">1241 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L1242" class="LineNr">1242 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1238" class="LineNr">1238 </span> <span class="Constant"> . .</span> +<span id="L1239" class="LineNr">1239 </span> <span class="Constant"> .abc .</span> +<span id="L1240" class="LineNr">1240 </span> <span class="Constant"> .d1ef .</span> +<span id="L1241" class="LineNr">1241 </span> <span class="Constant"> .ghi .</span> +<span id="L1242" class="LineNr">1242 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1243" class="LineNr">1243 </span> ] <span id="L1244" class="LineNr">1244 </span>] <span id="L1245" class="LineNr">1245 </span> @@ -1313,41 +1312,41 @@ if ('onhashchange' in window) { <span id="L1250" class="LineNr">1250 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1251" class="LineNr">1251 </span><span class="Constant">def</span> <span id="L1252" class="LineNr">1252 </span><span class="Constant">ghi]</span> -<span id="L1253" class="LineNr">1253 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1254" class="LineNr">1254 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1253" class="LineNr">1253 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1254" class="LineNr">1254 </span> editor-render screen, e <span id="L1255" class="LineNr">1255 </span> <span class="Comment"># move the cursor, then to start of line</span> <span id="L1256" class="LineNr">1256 </span> assume-console [ -<span id="L1257" class="LineNr">1257 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1258" class="LineNr">1258 </span> <span class="Conceal">¦</span> press end +<span id="L1257" class="LineNr">1257 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1258" class="LineNr">1258 </span> press end <span id="L1259" class="LineNr">1259 </span> ] -<span id="L1260" class="LineNr">1260 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1260" class="LineNr">1260 </span> editor-event-loop screen, console, e <span id="L1261" class="LineNr">1261 </span> <span class="Comment"># undo</span> <span id="L1262" class="LineNr">1262 </span> assume-console [ -<span id="L1263" class="LineNr">1263 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1263" class="LineNr">1263 </span> press ctrl-z <span id="L1264" class="LineNr">1264 </span> ] <span id="L1265" class="LineNr">1265 </span> run [ -<span id="L1266" class="LineNr">1266 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1266" class="LineNr">1266 </span> editor-event-loop screen, console, e <span id="L1267" class="LineNr">1267 </span> ] <span id="L1268" class="LineNr">1268 </span> <span class="Comment"># cursor moves back</span> <span id="L1269" class="LineNr">1269 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1270" class="LineNr">1270 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1271" class="LineNr">1271 </span> memory-should-contain [ -<span id="L1272" class="LineNr">1272 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1273" class="LineNr">1273 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1272" class="LineNr">1272 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1273" class="LineNr">1273 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1274" class="LineNr">1274 </span> ] <span id="L1275" class="LineNr">1275 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L1276" class="LineNr">1276 </span> assume-console [ -<span id="L1277" class="LineNr">1277 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L1277" class="LineNr">1277 </span> type <span class="Constant">[1]</span> <span id="L1278" class="LineNr">1278 </span> ] <span id="L1279" class="LineNr">1279 </span> run [ -<span id="L1280" class="LineNr">1280 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1280" class="LineNr">1280 </span> editor-event-loop screen, console, e <span id="L1281" class="LineNr">1281 </span> ] <span id="L1282" class="LineNr">1282 </span> screen-should-contain [ -<span id="L1283" class="LineNr">1283 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1284" class="LineNr">1284 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1285" class="LineNr">1285 </span> <span class="Conceal">¦</span><span class="Constant"> .d1ef .</span> -<span id="L1286" class="LineNr">1286 </span> <span class="Conceal">¦</span><span class="Constant"> .ghi .</span> -<span id="L1287" class="LineNr">1287 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1283" class="LineNr">1283 </span> <span class="Constant"> . .</span> +<span id="L1284" class="LineNr">1284 </span> <span class="Constant"> .abc .</span> +<span id="L1285" class="LineNr">1285 </span> <span class="Constant"> .d1ef .</span> +<span id="L1286" class="LineNr">1286 </span> <span class="Constant"> .ghi .</span> +<span id="L1287" class="LineNr">1287 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1288" class="LineNr">1288 </span> ] <span id="L1289" class="LineNr">1289 </span>] <span id="L1290" class="LineNr">1290 </span> @@ -1358,49 +1357,49 @@ if ('onhashchange' in window) { <span id="L1295" class="LineNr">1295 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1296" class="LineNr">1296 </span><span class="Constant">def</span> <span id="L1297" class="LineNr">1297 </span><span class="Constant">ghi]</span> -<span id="L1298" class="LineNr">1298 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1299" class="LineNr">1299 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1298" class="LineNr">1298 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1299" class="LineNr">1299 </span> editor-render screen, e <span id="L1300" class="LineNr">1300 </span> <span class="Comment"># move the cursor</span> <span id="L1301" class="LineNr">1301 </span> assume-console [ -<span id="L1302" class="LineNr">1302 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> -<span id="L1303" class="LineNr">1303 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L1304" class="LineNr">1304 </span> <span class="Conceal">¦</span> press right-arrow -<span id="L1305" class="LineNr">1305 </span> <span class="Conceal">¦</span> press up-arrow +<span id="L1302" class="LineNr">1302 </span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 1</span> +<span id="L1303" class="LineNr">1303 </span> press right-arrow +<span id="L1304" class="LineNr">1304 </span> press right-arrow +<span id="L1305" class="LineNr">1305 </span> press up-arrow <span id="L1306" class="LineNr">1306 </span> ] -<span id="L1307" class="LineNr">1307 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1307" class="LineNr">1307 </span> editor-event-loop screen, console, e <span id="L1308" class="LineNr">1308 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1309" class="LineNr">1309 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1310" class="LineNr">1310 </span> memory-should-contain [ -<span id="L1311" class="LineNr">1311 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1312" class="LineNr">1312 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1311" class="LineNr">1311 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1312" class="LineNr">1312 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1313" class="LineNr">1313 </span> ] <span id="L1314" class="LineNr">1314 </span> <span class="Comment"># undo</span> <span id="L1315" class="LineNr">1315 </span> assume-console [ -<span id="L1316" class="LineNr">1316 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1316" class="LineNr">1316 </span> press ctrl-z <span id="L1317" class="LineNr">1317 </span> ] <span id="L1318" class="LineNr">1318 </span> run [ -<span id="L1319" class="LineNr">1319 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1319" class="LineNr">1319 </span> editor-event-loop screen, console, e <span id="L1320" class="LineNr">1320 </span> ] <span id="L1321" class="LineNr">1321 </span> <span class="Comment"># up-arrow is undone</span> <span id="L1322" class="LineNr">1322 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1323" class="LineNr">1323 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1324" class="LineNr">1324 </span> memory-should-contain [ -<span id="L1325" class="LineNr">1325 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1326" class="LineNr">1326 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1325" class="LineNr">1325 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1326" class="LineNr">1326 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1327" class="LineNr">1327 </span> ] <span id="L1328" class="LineNr">1328 </span> <span class="Comment"># undo again</span> <span id="L1329" class="LineNr">1329 </span> assume-console [ -<span id="L1330" class="LineNr">1330 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1330" class="LineNr">1330 </span> press ctrl-z <span id="L1331" class="LineNr">1331 </span> ] <span id="L1332" class="LineNr">1332 </span> run [ -<span id="L1333" class="LineNr">1333 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1333" class="LineNr">1333 </span> editor-event-loop screen, console, e <span id="L1334" class="LineNr">1334 </span> ] <span id="L1335" class="LineNr">1335 </span> <span class="Comment"># both right-arrows are undone</span> <span id="L1336" class="LineNr">1336 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1337" class="LineNr">1337 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1338" class="LineNr">1338 </span> memory-should-contain [ -<span id="L1339" class="LineNr">1339 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<span id="L1340" class="LineNr">1340 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1339" class="LineNr">1339 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1340" class="LineNr">1340 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1341" class="LineNr">1341 </span> ] <span id="L1342" class="LineNr">1342 </span>] <span id="L1343" class="LineNr">1343 </span> @@ -1413,54 +1412,54 @@ if ('onhashchange' in window) { <span id="L1350" class="LineNr">1350 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1351" class="LineNr">1351 </span><span class="Constant">def</span> <span id="L1352" class="LineNr">1352 </span><span class="Constant">ghi]</span> -<span id="L1353" class="LineNr">1353 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1354" class="LineNr">1354 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1353" class="LineNr">1353 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1354" class="LineNr">1354 </span> editor-render screen, e <span id="L1355" class="LineNr">1355 </span> assume-console [ -<span id="L1356" class="LineNr">1356 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> -<span id="L1357" class="LineNr">1357 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1356" class="LineNr">1356 </span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 1</span> +<span id="L1357" class="LineNr">1357 </span> press ctrl-z <span id="L1358" class="LineNr">1358 </span> ] -<span id="L1359" class="LineNr">1359 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1359" class="LineNr">1359 </span> editor-event-loop screen, console, e <span id="L1360" class="LineNr">1360 </span> <span class="Comment"># redo</span> <span id="L1361" class="LineNr">1361 </span> assume-console [ -<span id="L1362" class="LineNr">1362 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1362" class="LineNr">1362 </span> press ctrl-y <span id="L1363" class="LineNr">1363 </span> ] <span id="L1364" class="LineNr">1364 </span> run [ -<span id="L1365" class="LineNr">1365 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1365" class="LineNr">1365 </span> editor-event-loop screen, console, e <span id="L1366" class="LineNr">1366 </span> ] <span id="L1367" class="LineNr">1367 </span> <span class="Comment"># cursor moves to left-click</span> <span id="L1368" class="LineNr">1368 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1369" class="LineNr">1369 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1370" class="LineNr">1370 </span> memory-should-contain [ -<span id="L1371" class="LineNr">1371 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<span id="L1372" class="LineNr">1372 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1371" class="LineNr">1371 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1372" class="LineNr">1372 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1373" class="LineNr">1373 </span> ] <span id="L1374" class="LineNr">1374 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L1375" class="LineNr">1375 </span> assume-console [ -<span id="L1376" class="LineNr">1376 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L1376" class="LineNr">1376 </span> type <span class="Constant">[1]</span> <span id="L1377" class="LineNr">1377 </span> ] <span id="L1378" class="LineNr">1378 </span> run [ -<span id="L1379" class="LineNr">1379 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1379" class="LineNr">1379 </span> editor-event-loop screen, console, e <span id="L1380" class="LineNr">1380 </span> ] <span id="L1381" class="LineNr">1381 </span> screen-should-contain [ -<span id="L1382" class="LineNr">1382 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1383" class="LineNr">1383 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1384" class="LineNr">1384 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L1385" class="LineNr">1385 </span> <span class="Conceal">¦</span><span class="Constant"> .g1hi .</span> -<span id="L1386" class="LineNr">1386 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1382" class="LineNr">1382 </span> <span class="Constant"> . .</span> +<span id="L1383" class="LineNr">1383 </span> <span class="Constant"> .abc .</span> +<span id="L1384" class="LineNr">1384 </span> <span class="Constant"> .def .</span> +<span id="L1385" class="LineNr">1385 </span> <span class="Constant"> .g1hi .</span> +<span id="L1386" class="LineNr">1386 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> <span id="L1387" class="LineNr">1387 </span> ] <span id="L1388" class="LineNr">1388 </span>] <span id="L1389" class="LineNr">1389 </span> -<span id="L1390" class="LineNr">1390 </span><span class="muRecipe">after</span> <span class="Constant"><a href='012-editor-undo.mu.html#L96'><handle-redo></a></span> [ +<span id="L1390" class="LineNr">1390 </span><span class="muRecipe">after</span> <span class="Constant"><handle-redo></span> [ <span id="L1391" class="LineNr">1391 </span> <span class="Delimiter">{</span> -<span id="L1392" class="LineNr">1392 </span> <span class="Conceal">¦</span> move:<a href='012-editor-undo.mu.html#L26'>move-operation</a>, is-move?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">move:variant</span> -<span id="L1393" class="LineNr">1393 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-move? -<span id="L1394" class="LineNr">1394 </span> <span class="Conceal">¦</span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> -<span id="L1395" class="LineNr">1395 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> get move, <span class="Constant">after-row:offset</span> -<span id="L1396" class="LineNr">1396 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L1397" class="LineNr">1397 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> get move, <span class="Constant">after-column:offset</span> -<span id="L1398" class="LineNr">1398 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1399" class="LineNr">1399 </span> <span class="Conceal">¦</span> top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get move, <span class="Constant">after-top-of-screen:offset</span> -<span id="L1400" class="LineNr">1400 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top +<span id="L1392" class="LineNr">1392 </span> move:move-operation, is-move?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">move:variant</span> +<span id="L1393" class="LineNr">1393 </span> <span class="muControl">break-unless</span> is-move? +<span id="L1394" class="LineNr">1394 </span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> +<span id="L1395" class="LineNr">1395 </span> cursor-row <span class="Special"><-</span> get move, <span class="Constant">after-row:offset</span> +<span id="L1396" class="LineNr">1396 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L1397" class="LineNr">1397 </span> cursor-column <span class="Special"><-</span> get move, <span class="Constant">after-column:offset</span> +<span id="L1398" class="LineNr">1398 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L1399" class="LineNr">1399 </span> top:&:duplex-list:char <span class="Special"><-</span> get move, <span class="Constant">after-top-of-screen:offset</span> +<span id="L1400" class="LineNr">1400 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top <span id="L1401" class="LineNr">1401 </span> <span class="Delimiter">}</span> <span id="L1402" class="LineNr">1402 </span>] <span id="L1403" class="LineNr">1403 </span> @@ -1468,146 +1467,146 @@ if ('onhashchange' in window) { <span id="L1405" class="LineNr">1405 </span> <span class="Constant">local-scope</span> <span id="L1406" class="LineNr">1406 </span> <span class="Comment"># create an editor, type some text, move the cursor, type some more text</span> <span id="L1407" class="LineNr">1407 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1408" class="LineNr">1408 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1409" class="LineNr">1409 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1408" class="LineNr">1408 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1409" class="LineNr">1409 </span> editor-render screen, e <span id="L1410" class="LineNr">1410 </span> assume-console [ -<span id="L1411" class="LineNr">1411 </span> <span class="Conceal">¦</span> type <span class="Constant">[abc]</span> -<span id="L1412" class="LineNr">1412 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L1413" class="LineNr">1413 </span> <span class="Conceal">¦</span> type <span class="Constant">[d]</span> +<span id="L1411" class="LineNr">1411 </span> type <span class="Constant">[abc]</span> +<span id="L1412" class="LineNr">1412 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L1413" class="LineNr">1413 </span> type <span class="Constant">[d]</span> <span id="L1414" class="LineNr">1414 </span> ] -<span id="L1415" class="LineNr">1415 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1415" class="LineNr">1415 </span> editor-event-loop screen, console, e <span id="L1416" class="LineNr">1416 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1417" class="LineNr">1417 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1418" class="LineNr">1418 </span> screen-should-contain [ -<span id="L1419" class="LineNr">1419 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1420" class="LineNr">1420 </span> <span class="Conceal">¦</span><span class="Constant"> .adbc .</span> -<span id="L1421" class="LineNr">1421 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1422" class="LineNr">1422 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1419" class="LineNr">1419 </span> <span class="Constant"> . .</span> +<span id="L1420" class="LineNr">1420 </span> <span class="Constant"> .adbc .</span> +<span id="L1421" class="LineNr">1421 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1422" class="LineNr">1422 </span> <span class="Constant"> . .</span> <span id="L1423" class="LineNr">1423 </span> ] <span id="L1424" class="LineNr">1424 </span> memory-should-contain [ -<span id="L1425" class="LineNr">1425 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1426" class="LineNr">1426 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1425" class="LineNr">1425 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1426" class="LineNr">1426 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L1427" class="LineNr">1427 </span> ] <span id="L1428" class="LineNr">1428 </span> <span class="Comment"># undo</span> <span id="L1429" class="LineNr">1429 </span> assume-console [ -<span id="L1430" class="LineNr">1430 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1430" class="LineNr">1430 </span> press ctrl-z <span id="L1431" class="LineNr">1431 </span> ] <span id="L1432" class="LineNr">1432 </span> run [ -<span id="L1433" class="LineNr">1433 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1434" class="LineNr">1434 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1435" class="LineNr">1435 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1433" class="LineNr">1433 </span> editor-event-loop screen, console, e +<span id="L1434" class="LineNr">1434 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1435" class="LineNr">1435 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1436" class="LineNr">1436 </span> ] <span id="L1437" class="LineNr">1437 </span> <span class="Comment"># last letter typed is deleted</span> <span id="L1438" class="LineNr">1438 </span> screen-should-contain [ -<span id="L1439" class="LineNr">1439 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1440" class="LineNr">1440 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1441" class="LineNr">1441 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1442" class="LineNr">1442 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1439" class="LineNr">1439 </span> <span class="Constant"> . .</span> +<span id="L1440" class="LineNr">1440 </span> <span class="Constant"> .abc .</span> +<span id="L1441" class="LineNr">1441 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1442" class="LineNr">1442 </span> <span class="Constant"> . .</span> <span id="L1443" class="LineNr">1443 </span> ] <span id="L1444" class="LineNr">1444 </span> memory-should-contain [ -<span id="L1445" class="LineNr">1445 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1446" class="LineNr">1446 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1445" class="LineNr">1445 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1446" class="LineNr">1446 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1447" class="LineNr">1447 </span> ] <span id="L1448" class="LineNr">1448 </span> <span class="Comment"># undo again</span> <span id="L1449" class="LineNr">1449 </span> assume-console [ -<span id="L1450" class="LineNr">1450 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1450" class="LineNr">1450 </span> press ctrl-z <span id="L1451" class="LineNr">1451 </span> ] <span id="L1452" class="LineNr">1452 </span> run [ -<span id="L1453" class="LineNr">1453 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1454" class="LineNr">1454 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1455" class="LineNr">1455 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1453" class="LineNr">1453 </span> editor-event-loop screen, console, e +<span id="L1454" class="LineNr">1454 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1455" class="LineNr">1455 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1456" class="LineNr">1456 </span> ] <span id="L1457" class="LineNr">1457 </span> <span class="Comment"># no change to screen; cursor moves</span> <span id="L1458" class="LineNr">1458 </span> screen-should-contain [ -<span id="L1459" class="LineNr">1459 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1460" class="LineNr">1460 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1461" class="LineNr">1461 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1462" class="LineNr">1462 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1459" class="LineNr">1459 </span> <span class="Constant"> . .</span> +<span id="L1460" class="LineNr">1460 </span> <span class="Constant"> .abc .</span> +<span id="L1461" class="LineNr">1461 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1462" class="LineNr">1462 </span> <span class="Constant"> . .</span> <span id="L1463" class="LineNr">1463 </span> ] <span id="L1464" class="LineNr">1464 </span> memory-should-contain [ -<span id="L1465" class="LineNr">1465 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1466" class="LineNr">1466 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1465" class="LineNr">1465 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1466" class="LineNr">1466 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1467" class="LineNr">1467 </span> ] <span id="L1468" class="LineNr">1468 </span> <span class="Comment"># undo again</span> <span id="L1469" class="LineNr">1469 </span> assume-console [ -<span id="L1470" class="LineNr">1470 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1470" class="LineNr">1470 </span> press ctrl-z <span id="L1471" class="LineNr">1471 </span> ] <span id="L1472" class="LineNr">1472 </span> run [ -<span id="L1473" class="LineNr">1473 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1474" class="LineNr">1474 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1475" class="LineNr">1475 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1473" class="LineNr">1473 </span> editor-event-loop screen, console, e +<span id="L1474" class="LineNr">1474 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1475" class="LineNr">1475 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1476" class="LineNr">1476 </span> ] <span id="L1477" class="LineNr">1477 </span> <span class="Comment"># screen empty</span> <span id="L1478" class="LineNr">1478 </span> screen-should-contain [ -<span id="L1479" class="LineNr">1479 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1480" class="LineNr">1480 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1481" class="LineNr">1481 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1482" class="LineNr">1482 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1479" class="LineNr">1479 </span> <span class="Constant"> . .</span> +<span id="L1480" class="LineNr">1480 </span> <span class="Constant"> . .</span> +<span id="L1481" class="LineNr">1481 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1482" class="LineNr">1482 </span> <span class="Constant"> . .</span> <span id="L1483" class="LineNr">1483 </span> ] <span id="L1484" class="LineNr">1484 </span> memory-should-contain [ -<span id="L1485" class="LineNr">1485 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1486" class="LineNr">1486 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L1485" class="LineNr">1485 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1486" class="LineNr">1486 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L1487" class="LineNr">1487 </span> ] <span id="L1488" class="LineNr">1488 </span> <span class="Comment"># redo</span> <span id="L1489" class="LineNr">1489 </span> assume-console [ -<span id="L1490" class="LineNr">1490 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1490" class="LineNr">1490 </span> press ctrl-y <span id="L1491" class="LineNr">1491 </span> ] <span id="L1492" class="LineNr">1492 </span> run [ -<span id="L1493" class="LineNr">1493 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1494" class="LineNr">1494 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1495" class="LineNr">1495 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1493" class="LineNr">1493 </span> editor-event-loop screen, console, e +<span id="L1494" class="LineNr">1494 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1495" class="LineNr">1495 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1496" class="LineNr">1496 </span> ] <span id="L1497" class="LineNr">1497 </span> <span class="Comment"># first insert</span> <span id="L1498" class="LineNr">1498 </span> screen-should-contain [ -<span id="L1499" class="LineNr">1499 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1500" class="LineNr">1500 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1501" class="LineNr">1501 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1502" class="LineNr">1502 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1499" class="LineNr">1499 </span> <span class="Constant"> . .</span> +<span id="L1500" class="LineNr">1500 </span> <span class="Constant"> .abc .</span> +<span id="L1501" class="LineNr">1501 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1502" class="LineNr">1502 </span> <span class="Constant"> . .</span> <span id="L1503" class="LineNr">1503 </span> ] <span id="L1504" class="LineNr">1504 </span> memory-should-contain [ -<span id="L1505" class="LineNr">1505 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1506" class="LineNr">1506 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1505" class="LineNr">1505 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1506" class="LineNr">1506 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1507" class="LineNr">1507 </span> ] <span id="L1508" class="LineNr">1508 </span> <span class="Comment"># redo again</span> <span id="L1509" class="LineNr">1509 </span> assume-console [ -<span id="L1510" class="LineNr">1510 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1510" class="LineNr">1510 </span> press ctrl-y <span id="L1511" class="LineNr">1511 </span> ] <span id="L1512" class="LineNr">1512 </span> run [ -<span id="L1513" class="LineNr">1513 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1514" class="LineNr">1514 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1515" class="LineNr">1515 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1513" class="LineNr">1513 </span> editor-event-loop screen, console, e +<span id="L1514" class="LineNr">1514 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1515" class="LineNr">1515 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1516" class="LineNr">1516 </span> ] <span id="L1517" class="LineNr">1517 </span> <span class="Comment"># cursor moves</span> <span id="L1518" class="LineNr">1518 </span> screen-should-contain [ -<span id="L1519" class="LineNr">1519 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1520" class="LineNr">1520 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1521" class="LineNr">1521 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1522" class="LineNr">1522 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1519" class="LineNr">1519 </span> <span class="Constant"> . .</span> +<span id="L1520" class="LineNr">1520 </span> <span class="Constant"> .abc .</span> +<span id="L1521" class="LineNr">1521 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1522" class="LineNr">1522 </span> <span class="Constant"> . .</span> <span id="L1523" class="LineNr">1523 </span> ] <span id="L1524" class="LineNr">1524 </span> <span class="Comment"># cursor moves</span> <span id="L1525" class="LineNr">1525 </span> memory-should-contain [ -<span id="L1526" class="LineNr">1526 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1527" class="LineNr">1527 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1526" class="LineNr">1526 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1527" class="LineNr">1527 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1528" class="LineNr">1528 </span> ] <span id="L1529" class="LineNr">1529 </span> <span class="Comment"># redo again</span> <span id="L1530" class="LineNr">1530 </span> assume-console [ -<span id="L1531" class="LineNr">1531 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1531" class="LineNr">1531 </span> press ctrl-y <span id="L1532" class="LineNr">1532 </span> ] <span id="L1533" class="LineNr">1533 </span> run [ -<span id="L1534" class="LineNr">1534 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e -<span id="L1535" class="LineNr">1535 </span> <span class="Conceal">¦</span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> -<span id="L1536" class="LineNr">1536 </span> <span class="Conceal">¦</span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> +<span id="L1534" class="LineNr">1534 </span> editor-event-loop screen, console, e +<span id="L1535" class="LineNr">1535 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> +<span id="L1536" class="LineNr">1536 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1537" class="LineNr">1537 </span> ] <span id="L1538" class="LineNr">1538 </span> <span class="Comment"># second insert</span> <span id="L1539" class="LineNr">1539 </span> screen-should-contain [ -<span id="L1540" class="LineNr">1540 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1541" class="LineNr">1541 </span> <span class="Conceal">¦</span><span class="Constant"> .adbc .</span> -<span id="L1542" class="LineNr">1542 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1543" class="LineNr">1543 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1540" class="LineNr">1540 </span> <span class="Constant"> . .</span> +<span id="L1541" class="LineNr">1541 </span> <span class="Constant"> .adbc .</span> +<span id="L1542" class="LineNr">1542 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1543" class="LineNr">1543 </span> <span class="Constant"> . .</span> <span id="L1544" class="LineNr">1544 </span> ] <span id="L1545" class="LineNr">1545 </span> memory-should-contain [ -<span id="L1546" class="LineNr">1546 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1547" class="LineNr">1547 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1546" class="LineNr">1546 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1547" class="LineNr">1547 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L1548" class="LineNr">1548 </span> ] <span id="L1549" class="LineNr">1549 </span>] <span id="L1550" class="LineNr">1550 </span> @@ -1617,142 +1616,142 @@ if ('onhashchange' in window) { <span id="L1554" class="LineNr">1554 </span> <span class="Constant">local-scope</span> <span id="L1555" class="LineNr">1555 </span> <span class="Comment"># create an editor</span> <span id="L1556" class="LineNr">1556 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1557" class="LineNr">1557 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1558" class="LineNr">1558 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1557" class="LineNr">1557 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1558" class="LineNr">1558 </span> editor-render screen, e <span id="L1559" class="LineNr">1559 </span> <span class="Comment"># insert some text and hit backspace</span> <span id="L1560" class="LineNr">1560 </span> assume-console [ -<span id="L1561" class="LineNr">1561 </span> <span class="Conceal">¦</span> type <span class="Constant">[abc]</span> -<span id="L1562" class="LineNr">1562 </span> <span class="Conceal">¦</span> press backspace -<span id="L1563" class="LineNr">1563 </span> <span class="Conceal">¦</span> press backspace +<span id="L1561" class="LineNr">1561 </span> type <span class="Constant">[abc]</span> +<span id="L1562" class="LineNr">1562 </span> press backspace +<span id="L1563" class="LineNr">1563 </span> press backspace <span id="L1564" class="LineNr">1564 </span> ] -<span id="L1565" class="LineNr">1565 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1565" class="LineNr">1565 </span> editor-event-loop screen, console, e <span id="L1566" class="LineNr">1566 </span> screen-should-contain [ -<span id="L1567" class="LineNr">1567 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1568" class="LineNr">1568 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L1569" class="LineNr">1569 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1570" class="LineNr">1570 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1567" class="LineNr">1567 </span> <span class="Constant"> . .</span> +<span id="L1568" class="LineNr">1568 </span> <span class="Constant"> .a .</span> +<span id="L1569" class="LineNr">1569 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1570" class="LineNr">1570 </span> <span class="Constant"> . .</span> <span id="L1571" class="LineNr">1571 </span> ] <span id="L1572" class="LineNr">1572 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1573" class="LineNr">1573 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1574" class="LineNr">1574 </span> memory-should-contain [ -<span id="L1575" class="LineNr">1575 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1576" class="LineNr">1576 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1575" class="LineNr">1575 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1576" class="LineNr">1576 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1577" class="LineNr">1577 </span> ] <span id="L1578" class="LineNr">1578 </span> <span class="Comment"># undo</span> <span id="L1579" class="LineNr">1579 </span> assume-console [ -<span id="L1580" class="LineNr">1580 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1580" class="LineNr">1580 </span> press ctrl-z <span id="L1581" class="LineNr">1581 </span> ] <span id="L1582" class="LineNr">1582 </span> run [ -<span id="L1583" class="LineNr">1583 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1583" class="LineNr">1583 </span> editor-event-loop screen, console, e <span id="L1584" class="LineNr">1584 </span> ] <span id="L1585" class="LineNr">1585 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1586" class="LineNr">1586 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1587" class="LineNr">1587 </span> memory-should-contain [ -<span id="L1588" class="LineNr">1588 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1589" class="LineNr">1589 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L1588" class="LineNr">1588 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1589" class="LineNr">1589 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span id="L1590" class="LineNr">1590 </span> ] <span id="L1591" class="LineNr">1591 </span> screen-should-contain [ -<span id="L1592" class="LineNr">1592 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1593" class="LineNr">1593 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1594" class="LineNr">1594 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1595" class="LineNr">1595 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1592" class="LineNr">1592 </span> <span class="Constant"> . .</span> +<span id="L1593" class="LineNr">1593 </span> <span class="Constant"> .abc .</span> +<span id="L1594" class="LineNr">1594 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1595" class="LineNr">1595 </span> <span class="Constant"> . .</span> <span id="L1596" class="LineNr">1596 </span> ] <span id="L1597" class="LineNr">1597 </span> <span class="Comment"># redo</span> <span id="L1598" class="LineNr">1598 </span> assume-console [ -<span id="L1599" class="LineNr">1599 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1599" class="LineNr">1599 </span> press ctrl-y <span id="L1600" class="LineNr">1600 </span> ] <span id="L1601" class="LineNr">1601 </span> run [ -<span id="L1602" class="LineNr">1602 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1602" class="LineNr">1602 </span> editor-event-loop screen, console, e <span id="L1603" class="LineNr">1603 </span> ] <span id="L1604" class="LineNr">1604 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1605" class="LineNr">1605 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1606" class="LineNr">1606 </span> memory-should-contain [ -<span id="L1607" class="LineNr">1607 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1608" class="LineNr">1608 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1607" class="LineNr">1607 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1608" class="LineNr">1608 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1609" class="LineNr">1609 </span> ] <span id="L1610" class="LineNr">1610 </span> screen-should-contain [ -<span id="L1611" class="LineNr">1611 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1612" class="LineNr">1612 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L1613" class="LineNr">1613 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1614" class="LineNr">1614 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1611" class="LineNr">1611 </span> <span class="Constant"> . .</span> +<span id="L1612" class="LineNr">1612 </span> <span class="Constant"> .a .</span> +<span id="L1613" class="LineNr">1613 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1614" class="LineNr">1614 </span> <span class="Constant"> . .</span> <span id="L1615" class="LineNr">1615 </span> ] <span id="L1616" class="LineNr">1616 </span>] <span id="L1617" class="LineNr">1617 </span> <span id="L1618" class="LineNr">1618 </span><span class="Comment"># save operation to undo</span> -<span id="L1619" class="LineNr">1619 </span><span class="muRecipe">after</span> <span class="Constant"><a href='003-shortcuts.mu.html#L99'><begin-backspace-character></a></span> [ -<span id="L1620" class="LineNr">1620 </span> top-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L1619" class="LineNr">1619 </span><span class="muRecipe">after</span> <span class="Constant"><begin-backspace-character></span> [ +<span id="L1620" class="LineNr">1620 </span> top-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L1621" class="LineNr">1621 </span>] -<span id="L1622" class="LineNr">1622 </span><span class="muRecipe">before</span> <span class="Constant"><a href='003-shortcuts.mu.html#L101'><end-backspace-character></a></span> [ +<span id="L1622" class="LineNr">1622 </span><span class="muRecipe">before</span> <span class="Constant"><end-backspace-character></span> [ <span id="L1623" class="LineNr">1623 </span> <span class="Delimiter">{</span> -<span id="L1624" class="LineNr">1624 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> backspaced-cell <span class="Comment"># backspace failed; don't add an undo operation</span> -<span id="L1625" class="LineNr">1625 </span> <span class="Conceal">¦</span> top-after:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L1626" class="LineNr">1626 </span> <span class="Conceal">¦</span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L1627" class="LineNr">1627 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L1628" class="LineNr">1628 </span> <span class="Conceal">¦</span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L1629" class="LineNr">1629 </span> <span class="Conceal">¦</span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> -<span id="L1630" class="LineNr">1630 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1631" class="LineNr">1631 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># if previous operation was an insert, coalesce this operation with it</span> -<span id="L1632" class="LineNr">1632 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> undo -<span id="L1633" class="LineNr">1633 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> first undo -<span id="L1634" class="LineNr">1634 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion:<a href='012-editor-undo.mu.html#L43'>delete-operation</a>, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> -<span id="L1635" class="LineNr">1635 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-delete? -<span id="L1636" class="LineNr">1636 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> previous-coalesce-tag:num <span class="Special"><-</span> get deletion, <span class="Constant">tag:offset</span> -<span id="L1637" class="LineNr">1637 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> coalesce?:bool <span class="Special"><-</span> equal previous-coalesce-tag, <span class="Constant">1/coalesce-backspace</span> -<span id="L1638" class="LineNr">1638 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> coalesce? -<span id="L1639" class="LineNr">1639 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">delete-from:offset</span>, before-cursor -<span id="L1640" class="LineNr">1640 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> backspaced-so-far:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">deleted-text:offset</span> -<span id="L1641" class="LineNr">1641 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L525'>splice</a> backspaced-cell, backspaced-so-far -<span id="L1642" class="LineNr">1642 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">deleted-text:offset</span>, backspaced-cell -<span id="L1643" class="LineNr">1643 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-row:offset</span>, cursor-row -<span id="L1644" class="LineNr">1644 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-column:offset</span>, cursor-column -<span id="L1645" class="LineNr">1645 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-top-of-screen:offset</span>, top-after -<span id="L1646" class="LineNr">1646 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, deletion -<span id="L1647" class="LineNr">1647 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> break</span> <span class="Constant">+done-adding-backspace-operation</span> -<span id="L1648" class="LineNr">1648 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1649" class="LineNr">1649 </span> <span class="Conceal">¦</span> <span class="Comment"># if not, create a new operation</span> -<span id="L1650" class="LineNr">1650 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> new <span class="Constant"><a href='012-editor-undo.mu.html#L5'>operation</a>:type</span> -<span id="L1651" class="LineNr">1651 </span> <span class="Conceal">¦</span> deleted-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1652" class="LineNr">1652 </span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, backspaced-cell/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">1/coalesce-backspace</span> -<span id="L1653" class="LineNr">1653 </span> <span class="Conceal">¦</span> editor <span class="Special"><-</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor, op -<span id="L1654" class="LineNr">1654 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +done-adding-backspace-operation</span> +<span id="L1624" class="LineNr">1624 </span> <span class="muControl">break-unless</span> backspaced-cell <span class="Comment"># backspace failed; don't add an undo operation</span> +<span id="L1625" class="LineNr">1625 </span> top-after:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L1626" class="LineNr">1626 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> +<span id="L1627" class="LineNr">1627 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> +<span id="L1628" class="LineNr">1628 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1629" class="LineNr">1629 </span> undo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> +<span id="L1630" class="LineNr">1630 </span> <span class="Delimiter">{</span> +<span id="L1631" class="LineNr">1631 </span> <span class="Comment"># if previous operation was an insert, coalesce this operation with it</span> +<span id="L1632" class="LineNr">1632 </span> <span class="muControl">break-unless</span> undo +<span id="L1633" class="LineNr">1633 </span> op:&:operation <span class="Special"><-</span> first undo +<span id="L1634" class="LineNr">1634 </span> deletion:delete-operation, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> +<span id="L1635" class="LineNr">1635 </span> <span class="muControl">break-unless</span> is-delete? +<span id="L1636" class="LineNr">1636 </span> previous-coalesce-tag:num <span class="Special"><-</span> get deletion, <span class="Constant">tag:offset</span> +<span id="L1637" class="LineNr">1637 </span> coalesce?:bool <span class="Special"><-</span> equal previous-coalesce-tag, <span class="Constant">1/coalesce-backspace</span> +<span id="L1638" class="LineNr">1638 </span> <span class="muControl">break-unless</span> coalesce? +<span id="L1639" class="LineNr">1639 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">delete-from:offset</span>, before-cursor +<span id="L1640" class="LineNr">1640 </span> backspaced-so-far:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">deleted-text:offset</span> +<span id="L1641" class="LineNr">1641 </span> splice backspaced-cell, backspaced-so-far +<span id="L1642" class="LineNr">1642 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">deleted-text:offset</span>, backspaced-cell +<span id="L1643" class="LineNr">1643 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-row:offset</span>, cursor-row +<span id="L1644" class="LineNr">1644 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-column:offset</span>, cursor-column +<span id="L1645" class="LineNr">1645 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-top-of-screen:offset</span>, top-after +<span id="L1646" class="LineNr">1646 </span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, deletion +<span id="L1647" class="LineNr">1647 </span> <span class="muControl"> break</span> <span class="Constant">+done-adding-backspace-operation</span> +<span id="L1648" class="LineNr">1648 </span> <span class="Delimiter">}</span> +<span id="L1649" class="LineNr">1649 </span> <span class="Comment"># if not, create a new operation</span> +<span id="L1650" class="LineNr">1650 </span> op:&:operation <span class="Special"><-</span> new <span class="Constant">operation:type</span> +<span id="L1651" class="LineNr">1651 </span> deleted-until:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1652" class="LineNr">1652 </span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, backspaced-cell/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">1/coalesce-backspace</span> +<span id="L1653" class="LineNr">1653 </span> editor <span class="Special"><-</span> add-operation editor, op +<span id="L1654" class="LineNr">1654 </span><span class="Constant"> +done-adding-backspace-operation</span> <span id="L1655" class="LineNr">1655 </span> <span class="Delimiter">}</span> <span id="L1656" class="LineNr">1656 </span>] <span id="L1657" class="LineNr">1657 </span> -<span id="L1658" class="LineNr">1658 </span><span class="muRecipe">after</span> <span class="Constant"><a href='012-editor-undo.mu.html#L78'><handle-undo></a></span> [ +<span id="L1658" class="LineNr">1658 </span><span class="muRecipe">after</span> <span class="Constant"><handle-undo></span> [ <span id="L1659" class="LineNr">1659 </span> <span class="Delimiter">{</span> -<span id="L1660" class="LineNr">1660 </span> <span class="Conceal">¦</span> deletion:<a href='012-editor-undo.mu.html#L43'>delete-operation</a>, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> -<span id="L1661" class="LineNr">1661 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-delete? -<span id="L1662" class="LineNr">1662 </span> <span class="Conceal">¦</span> anchor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">delete-from:offset</span> -<span id="L1663" class="LineNr">1663 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> anchor -<span id="L1664" class="LineNr">1664 </span> <span class="Conceal">¦</span> deleted:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">deleted-text:offset</span> -<span id="L1665" class="LineNr">1665 </span> <span class="Conceal">¦</span> old-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L572'>last</a> deleted -<span id="L1666" class="LineNr">1666 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L525'>splice</a> anchor, deleted -<span id="L1667" class="LineNr">1667 </span> <span class="Conceal">¦</span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> -<span id="L1668" class="LineNr">1668 </span> <span class="Conceal">¦</span> before-cursor <span class="Special"><-</span> copy old-cursor -<span id="L1669" class="LineNr">1669 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> get deletion, <span class="Constant">before-row:offset</span> -<span id="L1670" class="LineNr">1670 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L1671" class="LineNr">1671 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> get deletion, <span class="Constant">before-column:offset</span> -<span id="L1672" class="LineNr">1672 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1673" class="LineNr">1673 </span> <span class="Conceal">¦</span> top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">before-top-of-screen:offset</span> -<span id="L1674" class="LineNr">1674 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top +<span id="L1660" class="LineNr">1660 </span> deletion:delete-operation, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> +<span id="L1661" class="LineNr">1661 </span> <span class="muControl">break-unless</span> is-delete? +<span id="L1662" class="LineNr">1662 </span> anchor:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">delete-from:offset</span> +<span id="L1663" class="LineNr">1663 </span> <span class="muControl">break-unless</span> anchor +<span id="L1664" class="LineNr">1664 </span> deleted:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">deleted-text:offset</span> +<span id="L1665" class="LineNr">1665 </span> old-cursor:&:duplex-list:char <span class="Special"><-</span> last deleted +<span id="L1666" class="LineNr">1666 </span> splice anchor, deleted +<span id="L1667" class="LineNr">1667 </span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> +<span id="L1668" class="LineNr">1668 </span> before-cursor <span class="Special"><-</span> copy old-cursor +<span id="L1669" class="LineNr">1669 </span> cursor-row <span class="Special"><-</span> get deletion, <span class="Constant">before-row:offset</span> +<span id="L1670" class="LineNr">1670 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L1671" class="LineNr">1671 </span> cursor-column <span class="Special"><-</span> get deletion, <span class="Constant">before-column:offset</span> +<span id="L1672" class="LineNr">1672 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L1673" class="LineNr">1673 </span> top:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">before-top-of-screen:offset</span> +<span id="L1674" class="LineNr">1674 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top <span id="L1675" class="LineNr">1675 </span> <span class="Delimiter">}</span> <span id="L1676" class="LineNr">1676 </span>] <span id="L1677" class="LineNr">1677 </span> -<span id="L1678" class="LineNr">1678 </span><span class="muRecipe">after</span> <span class="Constant"><a href='012-editor-undo.mu.html#L96'><handle-redo></a></span> [ +<span id="L1678" class="LineNr">1678 </span><span class="muRecipe">after</span> <span class="Constant"><handle-redo></span> [ <span id="L1679" class="LineNr">1679 </span> <span class="Delimiter">{</span> -<span id="L1680" class="LineNr">1680 </span> <span class="Conceal">¦</span> deletion:<a href='012-editor-undo.mu.html#L43'>delete-operation</a>, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> -<span id="L1681" class="LineNr">1681 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-delete? -<span id="L1682" class="LineNr">1682 </span> <span class="Conceal">¦</span> start:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">delete-from:offset</span> -<span id="L1683" class="LineNr">1683 </span> <span class="Conceal">¦</span> end:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">delete-until:offset</span> -<span id="L1684" class="LineNr">1684 </span> <span class="Conceal">¦</span> data:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> -<span id="L1685" class="LineNr">1685 </span> <span class="Conceal">¦</span> <a href='../065duplex_list.mu.html#L385'>remove-between</a> start, end -<span id="L1686" class="LineNr">1686 </span> <span class="Conceal">¦</span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> -<span id="L1687" class="LineNr">1687 </span> <span class="Conceal">¦</span> cursor-row <span class="Special"><-</span> get deletion, <span class="Constant">after-row:offset</span> -<span id="L1688" class="LineNr">1688 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row -<span id="L1689" class="LineNr">1689 </span> <span class="Conceal">¦</span> cursor-column <span class="Special"><-</span> get deletion, <span class="Constant">after-column:offset</span> -<span id="L1690" class="LineNr">1690 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column -<span id="L1691" class="LineNr">1691 </span> <span class="Conceal">¦</span> top:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">before-top-of-screen:offset</span> -<span id="L1692" class="LineNr">1692 </span> <span class="Conceal">¦</span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top +<span id="L1680" class="LineNr">1680 </span> deletion:delete-operation, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> +<span id="L1681" class="LineNr">1681 </span> <span class="muControl">break-unless</span> is-delete? +<span id="L1682" class="LineNr">1682 </span> start:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">delete-from:offset</span> +<span id="L1683" class="LineNr">1683 </span> end:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">delete-until:offset</span> +<span id="L1684" class="LineNr">1684 </span> data:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">data:offset</span> +<span id="L1685" class="LineNr">1685 </span> remove-between start, end +<span id="L1686" class="LineNr">1686 </span> <span class="Comment"># assert cursor-row/cursor-column/top-of-screen match after-row/after-column/after-top-of-screen</span> +<span id="L1687" class="LineNr">1687 </span> cursor-row <span class="Special"><-</span> get deletion, <span class="Constant">after-row:offset</span> +<span id="L1688" class="LineNr">1688 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-row:offset</span>, cursor-row +<span id="L1689" class="LineNr">1689 </span> cursor-column <span class="Special"><-</span> get deletion, <span class="Constant">after-column:offset</span> +<span id="L1690" class="LineNr">1690 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">cursor-column:offset</span>, cursor-column +<span id="L1691" class="LineNr">1691 </span> top:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">before-top-of-screen:offset</span> +<span id="L1692" class="LineNr">1692 </span> *editor <span class="Special"><-</span> put *editor, <span class="Constant">top-of-screen:offset</span>, top <span id="L1693" class="LineNr">1693 </span> <span class="Delimiter">}</span> <span id="L1694" class="LineNr">1694 </span>] <span id="L1695" class="LineNr">1695 </span> @@ -1762,186 +1761,186 @@ if ('onhashchange' in window) { <span id="L1699" class="LineNr">1699 </span> <span class="Constant">local-scope</span> <span id="L1700" class="LineNr">1700 </span> <span class="Comment"># create an editor</span> <span id="L1701" class="LineNr">1701 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L1702" class="LineNr">1702 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1703" class="LineNr">1703 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1702" class="LineNr">1702 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1703" class="LineNr">1703 </span> editor-render screen, e <span id="L1704" class="LineNr">1704 </span> <span class="Comment"># insert some text and hit delete and backspace a few times</span> <span id="L1705" class="LineNr">1705 </span> assume-console [ -<span id="L1706" class="LineNr">1706 </span> <span class="Conceal">¦</span> type <span class="Constant">[abcdef]</span> -<span id="L1707" class="LineNr">1707 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<span id="L1708" class="LineNr">1708 </span> <span class="Conceal">¦</span> press delete -<span id="L1709" class="LineNr">1709 </span> <span class="Conceal">¦</span> press backspace -<span id="L1710" class="LineNr">1710 </span> <span class="Conceal">¦</span> press delete -<span id="L1711" class="LineNr">1711 </span> <span class="Conceal">¦</span> press delete +<span id="L1706" class="LineNr">1706 </span> type <span class="Constant">[abcdef]</span> +<span id="L1707" class="LineNr">1707 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L1708" class="LineNr">1708 </span> press delete +<span id="L1709" class="LineNr">1709 </span> press backspace +<span id="L1710" class="LineNr">1710 </span> press delete +<span id="L1711" class="LineNr">1711 </span> press delete <span id="L1712" class="LineNr">1712 </span> ] -<span id="L1713" class="LineNr">1713 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1713" class="LineNr">1713 </span> editor-event-loop screen, console, e <span id="L1714" class="LineNr">1714 </span> screen-should-contain [ -<span id="L1715" class="LineNr">1715 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1716" class="LineNr">1716 </span> <span class="Conceal">¦</span><span class="Constant"> .af .</span> -<span id="L1717" class="LineNr">1717 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1718" class="LineNr">1718 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1715" class="LineNr">1715 </span> <span class="Constant"> . .</span> +<span id="L1716" class="LineNr">1716 </span> <span class="Constant"> .af .</span> +<span id="L1717" class="LineNr">1717 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1718" class="LineNr">1718 </span> <span class="Constant"> . .</span> <span id="L1719" class="LineNr">1719 </span> ] <span id="L1720" class="LineNr">1720 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1721" class="LineNr">1721 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1722" class="LineNr">1722 </span> memory-should-contain [ -<span id="L1723" class="LineNr">1723 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1724" class="LineNr">1724 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1723" class="LineNr">1723 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1724" class="LineNr">1724 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1725" class="LineNr">1725 </span> ] <span id="L1726" class="LineNr">1726 </span> <span class="Comment"># undo deletes</span> <span id="L1727" class="LineNr">1727 </span> assume-console [ -<span id="L1728" class="LineNr">1728 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1728" class="LineNr">1728 </span> press ctrl-z <span id="L1729" class="LineNr">1729 </span> ] <span id="L1730" class="LineNr">1730 </span> run [ -<span id="L1731" class="LineNr">1731 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1731" class="LineNr">1731 </span> editor-event-loop screen, console, e <span id="L1732" class="LineNr">1732 </span> ] <span id="L1733" class="LineNr">1733 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1734" class="LineNr">1734 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1735" class="LineNr">1735 </span> memory-should-contain [ -<span id="L1736" class="LineNr">1736 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1737" class="LineNr">1737 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1736" class="LineNr">1736 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1737" class="LineNr">1737 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1738" class="LineNr">1738 </span> ] <span id="L1739" class="LineNr">1739 </span> screen-should-contain [ -<span id="L1740" class="LineNr">1740 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1741" class="LineNr">1741 </span> <span class="Conceal">¦</span><span class="Constant"> .adef .</span> -<span id="L1742" class="LineNr">1742 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1743" class="LineNr">1743 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1740" class="LineNr">1740 </span> <span class="Constant"> . .</span> +<span id="L1741" class="LineNr">1741 </span> <span class="Constant"> .adef .</span> +<span id="L1742" class="LineNr">1742 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1743" class="LineNr">1743 </span> <span class="Constant"> . .</span> <span id="L1744" class="LineNr">1744 </span> ] <span id="L1745" class="LineNr">1745 </span> <span class="Comment"># undo backspace</span> <span id="L1746" class="LineNr">1746 </span> assume-console [ -<span id="L1747" class="LineNr">1747 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1747" class="LineNr">1747 </span> press ctrl-z <span id="L1748" class="LineNr">1748 </span> ] <span id="L1749" class="LineNr">1749 </span> run [ -<span id="L1750" class="LineNr">1750 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1750" class="LineNr">1750 </span> editor-event-loop screen, console, e <span id="L1751" class="LineNr">1751 </span> ] <span id="L1752" class="LineNr">1752 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1753" class="LineNr">1753 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1754" class="LineNr">1754 </span> memory-should-contain [ -<span id="L1755" class="LineNr">1755 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1756" class="LineNr">1756 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1755" class="LineNr">1755 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1756" class="LineNr">1756 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L1757" class="LineNr">1757 </span> ] <span id="L1758" class="LineNr">1758 </span> screen-should-contain [ -<span id="L1759" class="LineNr">1759 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1760" class="LineNr">1760 </span> <span class="Conceal">¦</span><span class="Constant"> .abdef .</span> -<span id="L1761" class="LineNr">1761 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1762" class="LineNr">1762 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1759" class="LineNr">1759 </span> <span class="Constant"> . .</span> +<span id="L1760" class="LineNr">1760 </span> <span class="Constant"> .abdef .</span> +<span id="L1761" class="LineNr">1761 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1762" class="LineNr">1762 </span> <span class="Constant"> . .</span> <span id="L1763" class="LineNr">1763 </span> ] <span id="L1764" class="LineNr">1764 </span> <span class="Comment"># undo first delete</span> <span id="L1765" class="LineNr">1765 </span> assume-console [ -<span id="L1766" class="LineNr">1766 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1766" class="LineNr">1766 </span> press ctrl-z <span id="L1767" class="LineNr">1767 </span> ] <span id="L1768" class="LineNr">1768 </span> run [ -<span id="L1769" class="LineNr">1769 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1769" class="LineNr">1769 </span> editor-event-loop screen, console, e <span id="L1770" class="LineNr">1770 </span> ] <span id="L1771" class="LineNr">1771 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1772" class="LineNr">1772 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1773" class="LineNr">1773 </span> memory-should-contain [ -<span id="L1774" class="LineNr">1774 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1775" class="LineNr">1775 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1774" class="LineNr">1774 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1775" class="LineNr">1775 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L1776" class="LineNr">1776 </span> ] <span id="L1777" class="LineNr">1777 </span> screen-should-contain [ -<span id="L1778" class="LineNr">1778 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1779" class="LineNr">1779 </span> <span class="Conceal">¦</span><span class="Constant"> .abcdef .</span> -<span id="L1780" class="LineNr">1780 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1781" class="LineNr">1781 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1778" class="LineNr">1778 </span> <span class="Constant"> . .</span> +<span id="L1779" class="LineNr">1779 </span> <span class="Constant"> .abcdef .</span> +<span id="L1780" class="LineNr">1780 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1781" class="LineNr">1781 </span> <span class="Constant"> . .</span> <span id="L1782" class="LineNr">1782 </span> ] <span id="L1783" class="LineNr">1783 </span> <span class="Comment"># redo first delete</span> <span id="L1784" class="LineNr">1784 </span> assume-console [ -<span id="L1785" class="LineNr">1785 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1785" class="LineNr">1785 </span> press ctrl-y <span id="L1786" class="LineNr">1786 </span> ] <span id="L1787" class="LineNr">1787 </span> run [ -<span id="L1788" class="LineNr">1788 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1788" class="LineNr">1788 </span> editor-event-loop screen, console, e <span id="L1789" class="LineNr">1789 </span> ] <span id="L1790" class="LineNr">1790 </span> <span class="Comment"># first line inserted</span> <span id="L1791" class="LineNr">1791 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1792" class="LineNr">1792 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1793" class="LineNr">1793 </span> memory-should-contain [ -<span id="L1794" class="LineNr">1794 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1795" class="LineNr">1795 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L1794" class="LineNr">1794 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1795" class="LineNr">1795 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L1796" class="LineNr">1796 </span> ] <span id="L1797" class="LineNr">1797 </span> screen-should-contain [ -<span id="L1798" class="LineNr">1798 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1799" class="LineNr">1799 </span> <span class="Conceal">¦</span><span class="Constant"> .abdef .</span> -<span id="L1800" class="LineNr">1800 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1801" class="LineNr">1801 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1798" class="LineNr">1798 </span> <span class="Constant"> . .</span> +<span id="L1799" class="LineNr">1799 </span> <span class="Constant"> .abdef .</span> +<span id="L1800" class="LineNr">1800 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1801" class="LineNr">1801 </span> <span class="Constant"> . .</span> <span id="L1802" class="LineNr">1802 </span> ] <span id="L1803" class="LineNr">1803 </span> <span class="Comment"># redo backspace</span> <span id="L1804" class="LineNr">1804 </span> assume-console [ -<span id="L1805" class="LineNr">1805 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1805" class="LineNr">1805 </span> press ctrl-y <span id="L1806" class="LineNr">1806 </span> ] <span id="L1807" class="LineNr">1807 </span> run [ -<span id="L1808" class="LineNr">1808 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1808" class="LineNr">1808 </span> editor-event-loop screen, console, e <span id="L1809" class="LineNr">1809 </span> ] <span id="L1810" class="LineNr">1810 </span> <span class="Comment"># first line inserted</span> <span id="L1811" class="LineNr">1811 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1812" class="LineNr">1812 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1813" class="LineNr">1813 </span> memory-should-contain [ -<span id="L1814" class="LineNr">1814 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1815" class="LineNr">1815 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1814" class="LineNr">1814 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1815" class="LineNr">1815 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1816" class="LineNr">1816 </span> ] <span id="L1817" class="LineNr">1817 </span> screen-should-contain [ -<span id="L1818" class="LineNr">1818 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1819" class="LineNr">1819 </span> <span class="Conceal">¦</span><span class="Constant"> .adef .</span> -<span id="L1820" class="LineNr">1820 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1821" class="LineNr">1821 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1818" class="LineNr">1818 </span> <span class="Constant"> . .</span> +<span id="L1819" class="LineNr">1819 </span> <span class="Constant"> .adef .</span> +<span id="L1820" class="LineNr">1820 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1821" class="LineNr">1821 </span> <span class="Constant"> . .</span> <span id="L1822" class="LineNr">1822 </span> ] <span id="L1823" class="LineNr">1823 </span> <span class="Comment"># redo deletes</span> <span id="L1824" class="LineNr">1824 </span> assume-console [ -<span id="L1825" class="LineNr">1825 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1825" class="LineNr">1825 </span> press ctrl-y <span id="L1826" class="LineNr">1826 </span> ] <span id="L1827" class="LineNr">1827 </span> run [ -<span id="L1828" class="LineNr">1828 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1828" class="LineNr">1828 </span> editor-event-loop screen, console, e <span id="L1829" class="LineNr">1829 </span> ] <span id="L1830" class="LineNr">1830 </span> <span class="Comment"># first line inserted</span> <span id="L1831" class="LineNr">1831 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1832" class="LineNr">1832 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1833" class="LineNr">1833 </span> memory-should-contain [ -<span id="L1834" class="LineNr">1834 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1835" class="LineNr">1835 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1834" class="LineNr">1834 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1835" class="LineNr">1835 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1836" class="LineNr">1836 </span> ] <span id="L1837" class="LineNr">1837 </span> screen-should-contain [ -<span id="L1838" class="LineNr">1838 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1839" class="LineNr">1839 </span> <span class="Conceal">¦</span><span class="Constant"> .af .</span> -<span id="L1840" class="LineNr">1840 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1841" class="LineNr">1841 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1838" class="LineNr">1838 </span> <span class="Constant"> . .</span> +<span id="L1839" class="LineNr">1839 </span> <span class="Constant"> .af .</span> +<span id="L1840" class="LineNr">1840 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1841" class="LineNr">1841 </span> <span class="Constant"> . .</span> <span id="L1842" class="LineNr">1842 </span> ] <span id="L1843" class="LineNr">1843 </span>] <span id="L1844" class="LineNr">1844 </span> -<span id="L1845" class="LineNr">1845 </span><span class="muRecipe">after</span> <span class="Constant"><a href='003-shortcuts.mu.html#L366'><begin-delete-character></a></span> [ -<span id="L1846" class="LineNr">1846 </span> top-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L1845" class="LineNr">1845 </span><span class="muRecipe">after</span> <span class="Constant"><begin-delete-character></span> [ +<span id="L1846" class="LineNr">1846 </span> top-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L1847" class="LineNr">1847 </span>] -<span id="L1848" class="LineNr">1848 </span><span class="muRecipe">before</span> <span class="Constant"><a href='003-shortcuts.mu.html#L368'><end-delete-character></a></span> [ +<span id="L1848" class="LineNr">1848 </span><span class="muRecipe">before</span> <span class="Constant"><end-delete-character></span> [ <span id="L1849" class="LineNr">1849 </span> <span class="Delimiter">{</span> -<span id="L1850" class="LineNr">1850 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> deleted-cell <span class="Comment"># delete failed; don't add an undo operation</span> -<span id="L1851" class="LineNr">1851 </span> <span class="Conceal">¦</span> top-after:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L1852" class="LineNr">1852 </span> <span class="Conceal">¦</span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L1853" class="LineNr">1853 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L1854" class="LineNr">1854 </span> <span class="Conceal">¦</span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L1855" class="LineNr">1855 </span> <span class="Conceal">¦</span> undo:&:<a href='../064list.mu.html#L6'>list</a>:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> -<span id="L1856" class="LineNr">1856 </span> <span class="Conceal">¦</span> <span class="Delimiter">{</span> -<span id="L1857" class="LineNr">1857 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment"># if previous operation was an insert, coalesce this operation with it</span> -<span id="L1858" class="LineNr">1858 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> undo -<span id="L1859" class="LineNr">1859 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> first undo -<span id="L1860" class="LineNr">1860 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion:<a href='012-editor-undo.mu.html#L43'>delete-operation</a>, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> -<span id="L1861" class="LineNr">1861 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> is-delete? -<span id="L1862" class="LineNr">1862 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> previous-coalesce-tag:num <span class="Special"><-</span> get deletion, <span class="Constant">tag:offset</span> -<span id="L1863" class="LineNr">1863 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> coalesce?:bool <span class="Special"><-</span> equal previous-coalesce-tag, <span class="Constant">2/coalesce-delete</span> -<span id="L1864" class="LineNr">1864 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> coalesce? -<span id="L1865" class="LineNr">1865 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> delete-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1866" class="LineNr">1866 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">delete-until:offset</span>, delete-until -<span id="L1867" class="LineNr">1867 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deleted-so-far:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get deletion, <span class="Constant">deleted-text:offset</span> -<span id="L1868" class="LineNr">1868 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deleted-so-far <span class="Special"><-</span> append deleted-so-far, deleted-cell -<span id="L1869" class="LineNr">1869 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">deleted-text:offset</span>, deleted-so-far -<span id="L1870" class="LineNr">1870 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-row:offset</span>, cursor-row -<span id="L1871" class="LineNr">1871 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-column:offset</span>, cursor-column -<span id="L1872" class="LineNr">1872 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-top-of-screen:offset</span>, top-after -<span id="L1873" class="LineNr">1873 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, deletion -<span id="L1874" class="LineNr">1874 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span><span class="muControl"> break</span> <span class="Constant">+done-adding-delete-operation</span> -<span id="L1875" class="LineNr">1875 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> -<span id="L1876" class="LineNr">1876 </span> <span class="Conceal">¦</span> <span class="Comment"># if not, create a new operation</span> -<span id="L1877" class="LineNr">1877 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> new <span class="Constant"><a href='012-editor-undo.mu.html#L5'>operation</a>:type</span> -<span id="L1878" class="LineNr">1878 </span> <span class="Conceal">¦</span> deleted-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1879" class="LineNr">1879 </span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, deleted-cell/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">2/coalesce-delete</span> -<span id="L1880" class="LineNr">1880 </span> <span class="Conceal">¦</span> editor <span class="Special"><-</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor, op -<span id="L1881" class="LineNr">1881 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +done-adding-delete-operation</span> +<span id="L1850" class="LineNr">1850 </span> <span class="muControl">break-unless</span> deleted-cell <span class="Comment"># delete failed; don't add an undo operation</span> +<span id="L1851" class="LineNr">1851 </span> top-after:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L1852" class="LineNr">1852 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> +<span id="L1853" class="LineNr">1853 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> +<span id="L1854" class="LineNr">1854 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L1855" class="LineNr">1855 </span> undo:&:list:&:operation <span class="Special"><-</span> get *editor, <span class="Constant">undo:offset</span> +<span id="L1856" class="LineNr">1856 </span> <span class="Delimiter">{</span> +<span id="L1857" class="LineNr">1857 </span> <span class="Comment"># if previous operation was an insert, coalesce this operation with it</span> +<span id="L1858" class="LineNr">1858 </span> <span class="muControl">break-unless</span> undo +<span id="L1859" class="LineNr">1859 </span> op:&:operation <span class="Special"><-</span> first undo +<span id="L1860" class="LineNr">1860 </span> deletion:delete-operation, is-delete?:bool <span class="Special"><-</span> maybe-convert *op, <span class="Constant">delete:variant</span> +<span id="L1861" class="LineNr">1861 </span> <span class="muControl">break-unless</span> is-delete? +<span id="L1862" class="LineNr">1862 </span> previous-coalesce-tag:num <span class="Special"><-</span> get deletion, <span class="Constant">tag:offset</span> +<span id="L1863" class="LineNr">1863 </span> coalesce?:bool <span class="Special"><-</span> equal previous-coalesce-tag, <span class="Constant">2/coalesce-delete</span> +<span id="L1864" class="LineNr">1864 </span> <span class="muControl">break-unless</span> coalesce? +<span id="L1865" class="LineNr">1865 </span> delete-until:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1866" class="LineNr">1866 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">delete-until:offset</span>, delete-until +<span id="L1867" class="LineNr">1867 </span> deleted-so-far:&:duplex-list:char <span class="Special"><-</span> get deletion, <span class="Constant">deleted-text:offset</span> +<span id="L1868" class="LineNr">1868 </span> deleted-so-far <span class="Special"><-</span> append deleted-so-far, deleted-cell +<span id="L1869" class="LineNr">1869 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">deleted-text:offset</span>, deleted-so-far +<span id="L1870" class="LineNr">1870 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-row:offset</span>, cursor-row +<span id="L1871" class="LineNr">1871 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-column:offset</span>, cursor-column +<span id="L1872" class="LineNr">1872 </span> deletion <span class="Special"><-</span> put deletion, <span class="Constant">after-top-of-screen:offset</span>, top-after +<span id="L1873" class="LineNr">1873 </span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, deletion +<span id="L1874" class="LineNr">1874 </span> <span class="muControl"> break</span> <span class="Constant">+done-adding-delete-operation</span> +<span id="L1875" class="LineNr">1875 </span> <span class="Delimiter">}</span> +<span id="L1876" class="LineNr">1876 </span> <span class="Comment"># if not, create a new operation</span> +<span id="L1877" class="LineNr">1877 </span> op:&:operation <span class="Special"><-</span> new <span class="Constant">operation:type</span> +<span id="L1878" class="LineNr">1878 </span> deleted-until:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1879" class="LineNr">1879 </span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, deleted-cell/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">2/coalesce-delete</span> +<span id="L1880" class="LineNr">1880 </span> editor <span class="Special"><-</span> add-operation editor, op +<span id="L1881" class="LineNr">1881 </span><span class="Constant"> +done-adding-delete-operation</span> <span id="L1882" class="LineNr">1882 </span> <span class="Delimiter">}</span> <span id="L1883" class="LineNr">1883 </span>] <span id="L1884" class="LineNr">1884 </span> @@ -1953,98 +1952,98 @@ if ('onhashchange' in window) { <span id="L1890" class="LineNr">1890 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1891" class="LineNr">1891 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1892" class="LineNr">1892 </span><span class="Constant">def]</span> -<span id="L1893" class="LineNr">1893 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1894" class="LineNr">1894 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1893" class="LineNr">1893 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1894" class="LineNr">1894 </span> editor-render screen, e <span id="L1895" class="LineNr">1895 </span> <span class="Comment"># insert some text and hit delete and backspace a few times</span> <span id="L1896" class="LineNr">1896 </span> assume-console [ -<span id="L1897" class="LineNr">1897 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> -<span id="L1898" class="LineNr">1898 </span> <span class="Conceal">¦</span> press ctrl-k +<span id="L1897" class="LineNr">1897 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 1</span> +<span id="L1898" class="LineNr">1898 </span> press ctrl-k <span id="L1899" class="LineNr">1899 </span> ] -<span id="L1900" class="LineNr">1900 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1900" class="LineNr">1900 </span> editor-event-loop screen, console, e <span id="L1901" class="LineNr">1901 </span> screen-should-contain [ -<span id="L1902" class="LineNr">1902 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1903" class="LineNr">1903 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L1904" class="LineNr">1904 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L1905" class="LineNr">1905 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1906" class="LineNr">1906 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1902" class="LineNr">1902 </span> <span class="Constant"> . .</span> +<span id="L1903" class="LineNr">1903 </span> <span class="Constant"> .a .</span> +<span id="L1904" class="LineNr">1904 </span> <span class="Constant"> .def .</span> +<span id="L1905" class="LineNr">1905 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1906" class="LineNr">1906 </span> <span class="Constant"> . .</span> <span id="L1907" class="LineNr">1907 </span> ] <span id="L1908" class="LineNr">1908 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1909" class="LineNr">1909 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1910" class="LineNr">1910 </span> memory-should-contain [ -<span id="L1911" class="LineNr">1911 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1912" class="LineNr">1912 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1911" class="LineNr">1911 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1912" class="LineNr">1912 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1913" class="LineNr">1913 </span> ] <span id="L1914" class="LineNr">1914 </span> <span class="Comment"># undo</span> <span id="L1915" class="LineNr">1915 </span> assume-console [ -<span id="L1916" class="LineNr">1916 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L1916" class="LineNr">1916 </span> press ctrl-z <span id="L1917" class="LineNr">1917 </span> ] <span id="L1918" class="LineNr">1918 </span> run [ -<span id="L1919" class="LineNr">1919 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1919" class="LineNr">1919 </span> editor-event-loop screen, console, e <span id="L1920" class="LineNr">1920 </span> ] <span id="L1921" class="LineNr">1921 </span> screen-should-contain [ -<span id="L1922" class="LineNr">1922 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1923" class="LineNr">1923 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L1924" class="LineNr">1924 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L1925" class="LineNr">1925 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1926" class="LineNr">1926 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1922" class="LineNr">1922 </span> <span class="Constant"> . .</span> +<span id="L1923" class="LineNr">1923 </span> <span class="Constant"> .abc .</span> +<span id="L1924" class="LineNr">1924 </span> <span class="Constant"> .def .</span> +<span id="L1925" class="LineNr">1925 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1926" class="LineNr">1926 </span> <span class="Constant"> . .</span> <span id="L1927" class="LineNr">1927 </span> ] <span id="L1928" class="LineNr">1928 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1929" class="LineNr">1929 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1930" class="LineNr">1930 </span> memory-should-contain [ -<span id="L1931" class="LineNr">1931 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1932" class="LineNr">1932 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1931" class="LineNr">1931 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1932" class="LineNr">1932 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1933" class="LineNr">1933 </span> ] <span id="L1934" class="LineNr">1934 </span> <span class="Comment"># redo</span> <span id="L1935" class="LineNr">1935 </span> assume-console [ -<span id="L1936" class="LineNr">1936 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L1936" class="LineNr">1936 </span> press ctrl-y <span id="L1937" class="LineNr">1937 </span> ] <span id="L1938" class="LineNr">1938 </span> run [ -<span id="L1939" class="LineNr">1939 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1939" class="LineNr">1939 </span> editor-event-loop screen, console, e <span id="L1940" class="LineNr">1940 </span> ] <span id="L1941" class="LineNr">1941 </span> <span class="Comment"># first line inserted</span> <span id="L1942" class="LineNr">1942 </span> screen-should-contain [ -<span id="L1943" class="LineNr">1943 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1944" class="LineNr">1944 </span> <span class="Conceal">¦</span><span class="Constant"> .a .</span> -<span id="L1945" class="LineNr">1945 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L1946" class="LineNr">1946 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1947" class="LineNr">1947 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1943" class="LineNr">1943 </span> <span class="Constant"> . .</span> +<span id="L1944" class="LineNr">1944 </span> <span class="Constant"> .a .</span> +<span id="L1945" class="LineNr">1945 </span> <span class="Constant"> .def .</span> +<span id="L1946" class="LineNr">1946 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1947" class="LineNr">1947 </span> <span class="Constant"> . .</span> <span id="L1948" class="LineNr">1948 </span> ] <span id="L1949" class="LineNr">1949 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L1950" class="LineNr">1950 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L1951" class="LineNr">1951 </span> memory-should-contain [ -<span id="L1952" class="LineNr">1952 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L1953" class="LineNr">1953 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1952" class="LineNr">1952 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L1953" class="LineNr">1953 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span id="L1954" class="LineNr">1954 </span> ] <span id="L1955" class="LineNr">1955 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L1956" class="LineNr">1956 </span> assume-console [ -<span id="L1957" class="LineNr">1957 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L1957" class="LineNr">1957 </span> type <span class="Constant">[1]</span> <span id="L1958" class="LineNr">1958 </span> ] <span id="L1959" class="LineNr">1959 </span> run [ -<span id="L1960" class="LineNr">1960 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L1960" class="LineNr">1960 </span> editor-event-loop screen, console, e <span id="L1961" class="LineNr">1961 </span> ] <span id="L1962" class="LineNr">1962 </span> screen-should-contain [ -<span id="L1963" class="LineNr">1963 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L1964" class="LineNr">1964 </span> <span class="Conceal">¦</span><span class="Constant"> .a1 .</span> -<span id="L1965" class="LineNr">1965 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L1966" class="LineNr">1966 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L1967" class="LineNr">1967 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L1963" class="LineNr">1963 </span> <span class="Constant"> . .</span> +<span id="L1964" class="LineNr">1964 </span> <span class="Constant"> .a1 .</span> +<span id="L1965" class="LineNr">1965 </span> <span class="Constant"> .def .</span> +<span id="L1966" class="LineNr">1966 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L1967" class="LineNr">1967 </span> <span class="Constant"> . .</span> <span id="L1968" class="LineNr">1968 </span> ] <span id="L1969" class="LineNr">1969 </span>] <span id="L1970" class="LineNr">1970 </span> -<span id="L1971" class="LineNr">1971 </span><span class="muRecipe">after</span> <span class="Constant"><a href='003-shortcuts.mu.html#L2540'><begin-delete-to-end-of-line></a></span> [ -<span id="L1972" class="LineNr">1972 </span> top-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L1971" class="LineNr">1971 </span><span class="muRecipe">after</span> <span class="Constant"><begin-delete-to-end-of-line></span> [ +<span id="L1972" class="LineNr">1972 </span> top-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L1973" class="LineNr">1973 </span>] -<span id="L1974" class="LineNr">1974 </span><span class="muRecipe">before</span> <span class="Constant"><a href='003-shortcuts.mu.html#L2542'><end-delete-to-end-of-line></a></span> [ +<span id="L1974" class="LineNr">1974 </span><span class="muRecipe">before</span> <span class="Constant"><end-delete-to-end-of-line></span> [ <span id="L1975" class="LineNr">1975 </span> <span class="Delimiter">{</span> -<span id="L1976" class="LineNr">1976 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> deleted-cells <span class="Comment"># delete failed; don't add an undo operation</span> -<span id="L1977" class="LineNr">1977 </span> <span class="Conceal">¦</span> top-after:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L1978" class="LineNr">1978 </span> <span class="Conceal">¦</span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L1979" class="LineNr">1979 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L1980" class="LineNr">1980 </span> <span class="Conceal">¦</span> deleted-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L1981" class="LineNr">1981 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> new <span class="Constant"><a href='012-editor-undo.mu.html#L5'>operation</a>:type</span> -<span id="L1982" class="LineNr">1982 </span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, deleted-cells/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">0/never-coalesce</span> -<span id="L1983" class="LineNr">1983 </span> <span class="Conceal">¦</span> editor <span class="Special"><-</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor, op -<span id="L1984" class="LineNr">1984 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +done-adding-delete-operation</span> +<span id="L1976" class="LineNr">1976 </span> <span class="muControl">break-unless</span> deleted-cells <span class="Comment"># delete failed; don't add an undo operation</span> +<span id="L1977" class="LineNr">1977 </span> top-after:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L1978" class="LineNr">1978 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> +<span id="L1979" class="LineNr">1979 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> +<span id="L1980" class="LineNr">1980 </span> deleted-until:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L1981" class="LineNr">1981 </span> op:&:operation <span class="Special"><-</span> new <span class="Constant">operation:type</span> +<span id="L1982" class="LineNr">1982 </span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, deleted-cells/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">0/never-coalesce</span> +<span id="L1983" class="LineNr">1983 </span> editor <span class="Special"><-</span> add-operation editor, op +<span id="L1984" class="LineNr">1984 </span><span class="Constant"> +done-adding-delete-operation</span> <span id="L1985" class="LineNr">1985 </span> <span class="Delimiter">}</span> <span id="L1986" class="LineNr">1986 </span>] <span id="L1987" class="LineNr">1987 </span> @@ -2056,99 +2055,99 @@ if ('onhashchange' in window) { <span id="L1993" class="LineNr">1993 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> <span id="L1994" class="LineNr">1994 </span> contents:text <span class="Special"><-</span> new <span class="Constant">[abc</span> <span id="L1995" class="LineNr">1995 </span><span class="Constant">def]</span> -<span id="L1996" class="LineNr">1996 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L1997" class="LineNr">1997 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L1996" class="LineNr">1996 </span> e:&:editor <span class="Special"><-</span> new-editor contents, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L1997" class="LineNr">1997 </span> editor-render screen, e <span id="L1998" class="LineNr">1998 </span> <span class="Comment"># insert some text and hit delete and backspace a few times</span> <span id="L1999" class="LineNr">1999 </span> assume-console [ -<span id="L2000" class="LineNr">2000 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<span id="L2001" class="LineNr">2001 </span> <span class="Conceal">¦</span> press ctrl-u +<span id="L2000" class="LineNr">2000 </span> left-click<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L2001" class="LineNr">2001 </span> press ctrl-u <span id="L2002" class="LineNr">2002 </span> ] -<span id="L2003" class="LineNr">2003 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2003" class="LineNr">2003 </span> editor-event-loop screen, console, e <span id="L2004" class="LineNr">2004 </span> screen-should-contain [ -<span id="L2005" class="LineNr">2005 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2006" class="LineNr">2006 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L2007" class="LineNr">2007 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L2008" class="LineNr">2008 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2009" class="LineNr">2009 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2005" class="LineNr">2005 </span> <span class="Constant"> . .</span> +<span id="L2006" class="LineNr">2006 </span> <span class="Constant"> .c .</span> +<span id="L2007" class="LineNr">2007 </span> <span class="Constant"> .def .</span> +<span id="L2008" class="LineNr">2008 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2009" class="LineNr">2009 </span> <span class="Constant"> . .</span> <span id="L2010" class="LineNr">2010 </span> ] <span id="L2011" class="LineNr">2011 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2012" class="LineNr">2012 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2013" class="LineNr">2013 </span> memory-should-contain [ -<span id="L2014" class="LineNr">2014 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L2015" class="LineNr">2015 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L2014" class="LineNr">2014 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L2015" class="LineNr">2015 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L2016" class="LineNr">2016 </span> ] <span id="L2017" class="LineNr">2017 </span> <span class="Comment"># undo</span> <span id="L2018" class="LineNr">2018 </span> assume-console [ -<span id="L2019" class="LineNr">2019 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L2019" class="LineNr">2019 </span> press ctrl-z <span id="L2020" class="LineNr">2020 </span> ] <span id="L2021" class="LineNr">2021 </span> run [ -<span id="L2022" class="LineNr">2022 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2022" class="LineNr">2022 </span> editor-event-loop screen, console, e <span id="L2023" class="LineNr">2023 </span> ] <span id="L2024" class="LineNr">2024 </span> screen-should-contain [ -<span id="L2025" class="LineNr">2025 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2026" class="LineNr">2026 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L2027" class="LineNr">2027 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L2028" class="LineNr">2028 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2029" class="LineNr">2029 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2025" class="LineNr">2025 </span> <span class="Constant"> . .</span> +<span id="L2026" class="LineNr">2026 </span> <span class="Constant"> .abc .</span> +<span id="L2027" class="LineNr">2027 </span> <span class="Constant"> .def .</span> +<span id="L2028" class="LineNr">2028 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2029" class="LineNr">2029 </span> <span class="Constant"> . .</span> <span id="L2030" class="LineNr">2030 </span> ] <span id="L2031" class="LineNr">2031 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2032" class="LineNr">2032 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2033" class="LineNr">2033 </span> memory-should-contain [ -<span id="L2034" class="LineNr">2034 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L2035" class="LineNr">2035 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L2034" class="LineNr">2034 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L2035" class="LineNr">2035 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span id="L2036" class="LineNr">2036 </span> ] <span id="L2037" class="LineNr">2037 </span> <span class="Comment"># redo</span> <span id="L2038" class="LineNr">2038 </span> assume-console [ -<span id="L2039" class="LineNr">2039 </span> <span class="Conceal">¦</span> press ctrl-y +<span id="L2039" class="LineNr">2039 </span> press ctrl-y <span id="L2040" class="LineNr">2040 </span> ] <span id="L2041" class="LineNr">2041 </span> run [ -<span id="L2042" class="LineNr">2042 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2042" class="LineNr">2042 </span> editor-event-loop screen, console, e <span id="L2043" class="LineNr">2043 </span> ] <span id="L2044" class="LineNr">2044 </span> <span class="Comment"># first line inserted</span> <span id="L2045" class="LineNr">2045 </span> screen-should-contain [ -<span id="L2046" class="LineNr">2046 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2047" class="LineNr">2047 </span> <span class="Conceal">¦</span><span class="Constant"> .c .</span> -<span id="L2048" class="LineNr">2048 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L2049" class="LineNr">2049 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2050" class="LineNr">2050 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2046" class="LineNr">2046 </span> <span class="Constant"> . .</span> +<span id="L2047" class="LineNr">2047 </span> <span class="Constant"> .c .</span> +<span id="L2048" class="LineNr">2048 </span> <span class="Constant"> .def .</span> +<span id="L2049" class="LineNr">2049 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2050" class="LineNr">2050 </span> <span class="Constant"> . .</span> <span id="L2051" class="LineNr">2051 </span> ] <span id="L2052" class="LineNr">2052 </span> 3:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-row:offset</span> <span id="L2053" class="LineNr">2053 </span> 4:num/<span class="Special">raw</span> <span class="Special"><-</span> get *e, <span class="Constant">cursor-column:offset</span> <span id="L2054" class="LineNr">2054 </span> memory-should-contain [ -<span id="L2055" class="LineNr">2055 </span> <span class="Conceal">¦</span><span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<span id="L2056" class="LineNr">2056 </span> <span class="Conceal">¦</span><span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L2055" class="LineNr">2055 </span> <span class="Constant"> 3</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L2056" class="LineNr">2056 </span> <span class="Constant"> 4</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span id="L2057" class="LineNr">2057 </span> ] <span id="L2058" class="LineNr">2058 </span> <span class="Comment"># cursor should be in the right place</span> <span id="L2059" class="LineNr">2059 </span> assume-console [ -<span id="L2060" class="LineNr">2060 </span> <span class="Conceal">¦</span> type <span class="Constant">[1]</span> +<span id="L2060" class="LineNr">2060 </span> type <span class="Constant">[1]</span> <span id="L2061" class="LineNr">2061 </span> ] <span id="L2062" class="LineNr">2062 </span> run [ -<span id="L2063" class="LineNr">2063 </span> <span class="Conceal">¦</span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2063" class="LineNr">2063 </span> editor-event-loop screen, console, e <span id="L2064" class="LineNr">2064 </span> ] <span id="L2065" class="LineNr">2065 </span> screen-should-contain [ -<span id="L2066" class="LineNr">2066 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2067" class="LineNr">2067 </span> <span class="Conceal">¦</span><span class="Constant"> .1c .</span> -<span id="L2068" class="LineNr">2068 </span> <span class="Conceal">¦</span><span class="Constant"> .def .</span> -<span id="L2069" class="LineNr">2069 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2070" class="LineNr">2070 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2066" class="LineNr">2066 </span> <span class="Constant"> . .</span> +<span id="L2067" class="LineNr">2067 </span> <span class="Constant"> .1c .</span> +<span id="L2068" class="LineNr">2068 </span> <span class="Constant"> .def .</span> +<span id="L2069" class="LineNr">2069 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2070" class="LineNr">2070 </span> <span class="Constant"> . .</span> <span id="L2071" class="LineNr">2071 </span> ] <span id="L2072" class="LineNr">2072 </span>] <span id="L2073" class="LineNr">2073 </span> -<span id="L2074" class="LineNr">2074 </span><span class="muRecipe">after</span> <span class="Constant"><a href='003-shortcuts.mu.html#L1963'><begin-delete-to-start-of-line></a></span> [ -<span id="L2075" class="LineNr">2075 </span> top-before:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L2074" class="LineNr">2074 </span><span class="muRecipe">after</span> <span class="Constant"><begin-delete-to-start-of-line></span> [ +<span id="L2075" class="LineNr">2075 </span> top-before:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> <span id="L2076" class="LineNr">2076 </span>] -<span id="L2077" class="LineNr">2077 </span><span class="muRecipe">before</span> <span class="Constant"><a href='003-shortcuts.mu.html#L1965'><end-delete-to-start-of-line></a></span> [ +<span id="L2077" class="LineNr">2077 </span><span class="muRecipe">before</span> <span class="Constant"><end-delete-to-start-of-line></span> [ <span id="L2078" class="LineNr">2078 </span> <span class="Delimiter">{</span> -<span id="L2079" class="LineNr">2079 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> deleted-cells <span class="Comment"># delete failed; don't add an undo operation</span> -<span id="L2080" class="LineNr">2080 </span> <span class="Conceal">¦</span> top-after:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> -<span id="L2081" class="LineNr">2081 </span> <span class="Conceal">¦</span> op:&:<a href='012-editor-undo.mu.html#L5'>operation</a> <span class="Special"><-</span> new <span class="Constant"><a href='012-editor-undo.mu.html#L5'>operation</a>:type</span> -<span id="L2082" class="LineNr">2082 </span> <span class="Conceal">¦</span> before-cursor:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> -<span id="L2083" class="LineNr">2083 </span> <span class="Conceal">¦</span> deleted-until:&:<a href='../065duplex_list.mu.html#L3'>duplex-list</a>:char <span class="Special"><-</span> <a href='../065duplex_list.mu.html#L25'>next</a> before-cursor -<span id="L2084" class="LineNr">2084 </span> <span class="Conceal">¦</span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> -<span id="L2085" class="LineNr">2085 </span> <span class="Conceal">¦</span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> -<span id="L2086" class="LineNr">2086 </span> <span class="Conceal">¦</span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, deleted-cells/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">0/never-coalesce</span> -<span id="L2087" class="LineNr">2087 </span> <span class="Conceal">¦</span> editor <span class="Special"><-</span> <a href='012-editor-undo.mu.html#L202'>add-operation</a> editor, op -<span id="L2088" class="LineNr">2088 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> +done-adding-delete-operation</span> +<span id="L2079" class="LineNr">2079 </span> <span class="muControl">break-unless</span> deleted-cells <span class="Comment"># delete failed; don't add an undo operation</span> +<span id="L2080" class="LineNr">2080 </span> top-after:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">top-of-screen:offset</span> +<span id="L2081" class="LineNr">2081 </span> op:&:operation <span class="Special"><-</span> new <span class="Constant">operation:type</span> +<span id="L2082" class="LineNr">2082 </span> before-cursor:&:duplex-list:char <span class="Special"><-</span> get *editor, <span class="Constant">before-cursor:offset</span> +<span id="L2083" class="LineNr">2083 </span> deleted-until:&:duplex-list:char <span class="Special"><-</span> next before-cursor +<span id="L2084" class="LineNr">2084 </span> cursor-row:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-row:offset</span> +<span id="L2085" class="LineNr">2085 </span> cursor-column:num <span class="Special"><-</span> get *editor, <span class="Constant">cursor-column:offset</span> +<span id="L2086" class="LineNr">2086 </span> *op <span class="Special"><-</span> merge <span class="Constant">2/delete-operation</span>, save-row/before, save-column/before, top-before, cursor-row/after, cursor-column/after, top-after, deleted-cells/deleted, before-cursor/delete-from, deleted-until, <span class="Constant">0/never-coalesce</span> +<span id="L2087" class="LineNr">2087 </span> editor <span class="Special"><-</span> add-operation editor, op +<span id="L2088" class="LineNr">2088 </span><span class="Constant"> +done-adding-delete-operation</span> <span id="L2089" class="LineNr">2089 </span> <span class="Delimiter">}</span> <span id="L2090" class="LineNr">2090 </span>] <span id="L2091" class="LineNr">2091 </span> @@ -2156,20 +2155,20 @@ if ('onhashchange' in window) { <span id="L2093" class="LineNr">2093 </span> <span class="Constant">local-scope</span> <span id="L2094" class="LineNr">2094 </span> <span class="Comment"># create an editor</span> <span id="L2095" class="LineNr">2095 </span> assume-screen <span class="Constant">10/width</span>, <span class="Constant">5/height</span> -<span id="L2096" class="LineNr">2096 </span> e:&:editor <span class="Special"><-</span> <a href='001-editor.mu.html#L51'>new-editor</a> <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> -<span id="L2097" class="LineNr">2097 </span> <a href='002-typing.mu.html#L265'>editor-render</a> <a href='../081print.mu.html#L16'>screen</a>, e +<span id="L2096" class="LineNr">2096 </span> e:&:editor <span class="Special"><-</span> new-editor <span class="Constant">[]</span>, <span class="Constant">0/left</span>, <span class="Constant">10/right</span> +<span id="L2097" class="LineNr">2097 </span> editor-render screen, e <span id="L2098" class="LineNr">2098 </span> <span class="Comment"># insert some text and hit delete and backspace a few times</span> <span id="L2099" class="LineNr">2099 </span> assume-console [ -<span id="L2100" class="LineNr">2100 </span> <span class="Conceal">¦</span> type <span class="Constant">[abc]</span> -<span id="L2101" class="LineNr">2101 </span> <span class="Conceal">¦</span> press ctrl-u -<span id="L2102" class="LineNr">2102 </span> <span class="Conceal">¦</span> press ctrl-z +<span id="L2100" class="LineNr">2100 </span> type <span class="Constant">[abc]</span> +<span id="L2101" class="LineNr">2101 </span> press ctrl-u +<span id="L2102" class="LineNr">2102 </span> press ctrl-z <span id="L2103" class="LineNr">2103 </span> ] -<span id="L2104" class="LineNr">2104 </span> <a href='002-typing.mu.html#L16'>editor-event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, e +<span id="L2104" class="LineNr">2104 </span> editor-event-loop screen, console, e <span id="L2105" class="LineNr">2105 </span> screen-should-contain [ -<span id="L2106" class="LineNr">2106 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> -<span id="L2107" class="LineNr">2107 </span> <span class="Conceal">¦</span><span class="Constant"> .abc .</span> -<span id="L2108" class="LineNr">2108 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> -<span id="L2109" class="LineNr">2109 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span> +<span id="L2106" class="LineNr">2106 </span> <span class="Constant"> . .</span> +<span id="L2107" class="LineNr">2107 </span> <span class="Constant"> .abc .</span> +<span id="L2108" class="LineNr">2108 </span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌.</span> +<span id="L2109" class="LineNr">2109 </span> <span class="Constant"> . .</span> <span id="L2110" class="LineNr">2110 </span> ] <span id="L2111" class="LineNr">2111 </span>] </pre> |