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Diffstat (limited to 'html/061text.mu.html')
| -rw-r--r-- | html/061text.mu.html | 2868 |
1 files changed, 1446 insertions, 1422 deletions
diff --git a/html/061text.mu.html b/html/061text.mu.html index fdc50f19..5d44b86b 100644 --- a/html/061text.mu.html +++ b/html/061text.mu.html @@ -6,7 +6,7 @@ <meta name="Generator" content="Vim/7.4"> <meta name="plugin-version" content="vim7.4_v2"> <meta name="syntax" content="none"> -<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> <meta name="colorscheme" content="minimal"> <style type="text/css"> <!-- @@ -15,10 +15,11 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color * { font-size: 12pt; font-size: 1em; } .Delimiter { color: #800080; } .muControl { color: #c0a020; } +.Special { color: #c00000; } .muData { color: #ffff00; } .Comment { color: #9090ff; } .Constant { color: #00a0a0; } -.Special { color: #c00000; } +.LineNr { color: #444444; } .muRecipe { color: #ff8700; } .muScenario { color: #00af00; } --> @@ -27,1430 +28,1453 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color <script type='text/javascript'> <!-- +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + --> </script> </head> -<body> +<body onload='JumpToLine();'> <pre id='vimCodeElement'> -<span class="Comment"># Some useful helpers for dealing with text (arrays of characters)</span> - -<span class="muRecipe">def</span> equal a:text, b:text<span class="muRecipe"> -> </span>result:bool [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - an:num, bn:num <span class="Special"><-</span> copy a, b - address-equal?:boolean <span class="Special"><-</span> equal an, bn - <span class="muControl">reply-if</span> address-equal?, <span class="Constant">1/true</span> - <span class="muControl">reply-unless</span> a, <span class="Constant">0/false</span> - <span class="muControl">reply-unless</span> b, <span class="Constant">0/false</span> - a-len:num <span class="Special"><-</span> length *a - b-len:num <span class="Special"><-</span> length *b - <span class="Comment"># compare lengths</span> - <span class="Delimiter">{</span> - trace<span class="Constant"> 99</span>, <span class="Constant">[text-equal]</span>, <span class="Constant">[comparing lengths]</span> - length-equal?:bool <span class="Special"><-</span> equal a-len, b-len - <span class="muControl">break-if</span> length-equal? - <span class="muControl">return</span><span class="Constant"> 0</span> - <span class="Delimiter">}</span> - <span class="Comment"># compare each corresponding character</span> - trace<span class="Constant"> 99</span>, <span class="Constant">[text-equal]</span>, <span class="Constant">[comparing characters]</span> - i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal i, a-len - <span class="muControl">break-if</span> done? - a2:char <span class="Special"><-</span> index *a, i - b2:char <span class="Special"><-</span> index *b, i - <span class="Delimiter">{</span> - chars-match?:bool <span class="Special"><-</span> equal a2, b2 - <span class="muControl">break-if</span> chars-match? - <span class="muControl">return</span><span class="Constant"> 0</span> - <span class="Delimiter">}</span> - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="muControl">return</span><span class="Constant"> 1</span> -] - -<span class="muScenario">scenario</span> text-equal-reflexive [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, x - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># x == x for all x</span> - ] -] - -<span class="muScenario">scenario</span> text-equal-identical [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># abc == abc</span> - ] -] - -<span class="muScenario">scenario</span> text-equal-distinct-lengths [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># abc != abcd</span> - ] - trace-should-contain [ - text-equal: comparing lengths - ] - trace-should-not-contain [ - text-equal: comparing characters - ] -] - -<span class="muScenario">scenario</span> text-equal-with-empty [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># "" != abcd</span> - ] -] - -<span class="muScenario">scenario</span> text-equal-with-null [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> - y:text <span class="Special"><-</span> copy<span class="Constant"> 0</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x,<span class="Constant"> 0</span> - 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal<span class="Constant"> 0</span>, x - 12:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y - 13:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal y, x - 14:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal y, y - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 14</span> <span class="Special"><-</span><span class="Constant"> 1</span> - ] - check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[error]</span> -] - -<span class="muScenario">scenario</span> text-equal-common-lengths-but-distinct [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[abd]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># abc != abd</span> - ] -] - -<span class="Comment"># A new type to help incrementally construct texts.</span> -<span class="Comment"># todo: make this shape-shifting.</span> -<span class="muData">container</span> buffer [ - length:num - data:text -] - -<span class="muRecipe">def</span> new-buffer capacity:num<span class="muRecipe"> -> </span>result:&:buffer [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - result <span class="Special"><-</span> new <span class="Constant">buffer:type</span> - *result <span class="Special"><-</span> put *result, <span class="Constant">length:offset</span>,<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - <span class="muControl">break-if</span> capacity - <span class="Comment"># capacity not provided</span> - capacity <span class="Special"><-</span> copy<span class="Constant"> 10</span> - <span class="Delimiter">}</span> - data:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, capacity - *result <span class="Special"><-</span> put *result, <span class="Constant">data:offset</span>, data - <span class="muControl">return</span> result -] - -<span class="muRecipe">def</span> grow-buffer buf:&:buffer<span class="muRecipe"> -> </span>buf:&:buffer [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - <span class="Comment"># double buffer size</span> - olddata:text <span class="Special"><-</span> get *buf, <span class="Constant">data:offset</span> - oldlen:num <span class="Special"><-</span> length *olddata - newlen:num <span class="Special"><-</span> multiply oldlen,<span class="Constant"> 2</span> - newdata:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, newlen - *buf <span class="Special"><-</span> put *buf, <span class="Constant">data:offset</span>, newdata - <span class="Comment"># copy old contents</span> - i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal i, oldlen - <span class="muControl">break-if</span> done? - src:char <span class="Special"><-</span> index *olddata, i - *newdata <span class="Special"><-</span> put-index *newdata, i, src - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muRecipe">def</span> buffer-full? in:&:buffer<span class="muRecipe"> -> </span>result:bool [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - len:num <span class="Special"><-</span> get *in, <span class="Constant">length:offset</span> - s:text <span class="Special"><-</span> get *in, <span class="Constant">data:offset</span> - capacity:num <span class="Special"><-</span> length *s - result <span class="Special"><-</span> greater-or-equal len, capacity -] - -<span class="Comment"># most broadly applicable definition of append to a buffer: just call to-text</span> -<span class="muRecipe">def</span> append buf:&:buffer, x:_elem<span class="muRecipe"> -> </span>buf:&:buffer [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - text:text <span class="Special"><-</span> to-text x - len:num <span class="Special"><-</span> length *text - i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal i, len - <span class="muControl">break-if</span> done? - c:char <span class="Special"><-</span> index *text, i - buf <span class="Special"><-</span> append buf, c - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muRecipe">def</span> append buf:&:buffer, c:char<span class="muRecipe"> -> </span>buf:&:buffer [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - len:num <span class="Special"><-</span> get *buf, <span class="Constant">length:offset</span> - <span class="Delimiter">{</span> - <span class="Comment"># backspace? just drop last character if it exists and return</span> - backspace?:bool <span class="Special"><-</span> equal c, <span class="Constant">8/backspace</span> - <span class="muControl">break-unless</span> backspace? - empty?:bool <span class="Special"><-</span> lesser-or-equal len,<span class="Constant"> 0</span> - <span class="muControl">return-if</span> empty? - len <span class="Special"><-</span> subtract len,<span class="Constant"> 1</span> - *buf <span class="Special"><-</span> put *buf, <span class="Constant">length:offset</span>, len - <span class="muControl">return</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - <span class="Comment"># grow buffer if necessary</span> - full?:bool <span class="Special"><-</span> buffer-full? buf - <span class="muControl">break-unless</span> full? - buf <span class="Special"><-</span> grow-buffer buf - <span class="Delimiter">}</span> - s:text <span class="Special"><-</span> get *buf, <span class="Constant">data:offset</span> - *s <span class="Special"><-</span> put-index *s, len, c - len <span class="Special"><-</span> add len,<span class="Constant"> 1</span> - *buf <span class="Special"><-</span> put *buf, <span class="Constant">length:offset</span>, len -] - -<span class="muRecipe">def</span> append buf:&:buffer, t:text<span class="muRecipe"> -> </span>buf:&:buffer [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - len:num <span class="Special"><-</span> length *t - i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal i, len - <span class="muControl">break-if</span> done? - c:char <span class="Special"><-</span> index *t, i - buf <span class="Special"><-</span> append buf, c - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muScenario">scenario</span> append-to-empty-buffer [ - <span class="Constant">local-scope</span> - x:&:buffer <span class="Special"><-</span> new-buffer - run [ - c:char <span class="Special"><-</span> copy <span class="Constant">97/a</span> - x <span class="Special"><-</span> append x, c - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *x, <span class="Constant">length:offset</span> - s:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> - 11:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 0</span> - 12:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 1</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># buffer length</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># a</span> - <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># rest of buffer is empty</span> - ] -] - -<span class="muScenario">scenario</span> append-to-buffer [ - <span class="Constant">local-scope</span> - x:&:buffer <span class="Special"><-</span> new-buffer - c:char <span class="Special"><-</span> copy <span class="Constant">97/a</span> - x <span class="Special"><-</span> append x, c - run [ - c <span class="Special"><-</span> copy <span class="Constant">98/b</span> - x <span class="Special"><-</span> append x, c - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *x, <span class="Constant">length:offset</span> - s:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> - 11:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 0</span> - 12:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 1</span> - 13:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 2</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># buffer length</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># a</span> - <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 98</span> <span class="Comment"># b</span> - <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># rest of buffer is empty</span> - ] -] - -<span class="muScenario">scenario</span> append-grows-buffer [ - <span class="Constant">local-scope</span> - x:&:buffer <span class="Special"><-</span> new-buffer<span class="Constant"> 3</span> - s1:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> - x <span class="Special"><-</span> append x, <span class="Constant">[abc]</span> <span class="Comment"># buffer is now full</span> - s2:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal s1, s2 - 11:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s2 -<span class="Constant"> +buffer-filled</span> - c:char <span class="Special"><-</span> copy <span class="Constant">100/d</span> - x <span class="Special"><-</span> append x, c - s3:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> - 20:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal s1, s3 - 21:num/<span class="Special">raw</span> <span class="Special"><-</span> get *x, <span class="Constant">length:offset</span> - 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s3 - ] - memory-should-contain [ - <span class="Comment"># before +buffer-filled</span> - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># no change in data pointer after original append</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># size of data</span> - <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># data</span> - <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 98</span> - <span class="Constant"> 14</span> <span class="Special"><-</span><span class="Constant"> 99</span> - <span class="Comment"># in the end</span> - <span class="Constant"> 20</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># data pointer has grown after second append</span> - <span class="Constant"> 21</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># final length</span> - <span class="Constant"> 30</span> <span class="Special"><-</span><span class="Constant"> 6</span> <span class="Comment"># but data's capacity has doubled</span> - <span class="Constant"> 31</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># data</span> - <span class="Constant"> 32</span> <span class="Special"><-</span><span class="Constant"> 98</span> - <span class="Constant"> 33</span> <span class="Special"><-</span><span class="Constant"> 99</span> - <span class="Constant"> 34</span> <span class="Special"><-</span><span class="Constant"> 100</span> - <span class="Constant"> 35</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 36</span> <span class="Special"><-</span><span class="Constant"> 0</span> - ] -] - -<span class="muScenario">scenario</span> buffer-append-handles-backspace [ - <span class="Constant">local-scope</span> - x:&:buffer <span class="Special"><-</span> new-buffer - x <span class="Special"><-</span> append x, <span class="Constant">[ab]</span> - run [ - c:char <span class="Special"><-</span> copy <span class="Constant">8/backspace</span> - x <span class="Special"><-</span> append x, c - s:text <span class="Special"><-</span> buffer-to-array x - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># length</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># contents</span> - <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> - ] -] - -<span class="muRecipe">def</span> buffer-to-array in:&:buffer<span class="muRecipe"> -> </span>result:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - <span class="Delimiter">{</span> - <span class="Comment"># propagate null buffer</span> - <span class="muControl">break-if</span> in - <span class="muControl">return</span><span class="Constant"> 0</span> - <span class="Delimiter">}</span> - len:num <span class="Special"><-</span> get *in, <span class="Constant">length:offset</span> - s:text <span class="Special"><-</span> get *in, <span class="Constant">data:offset</span> - <span class="Comment"># we can't just return s because it is usually the wrong length</span> - result <span class="Special"><-</span> new <span class="Constant">character:type</span>, len - i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal i, len - <span class="muControl">break-if</span> done? - src:char <span class="Special"><-</span> index *s, i - *result <span class="Special"><-</span> put-index *result, i, src - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="Comment"># Append any number of texts together.</span> -<span class="Comment"># A later layer also translates calls to this to implicitly call to-text, so</span> -<span class="Comment"># append to string becomes effectively dynamically typed.</span> -<span class="Comment">#</span> -<span class="Comment"># Beware though: this hack restricts how much 'append' can be overridden. Any</span> -<span class="Comment"># new variants that match:</span> -<span class="Comment"># append _:text, ___</span> -<span class="Comment"># will never ever get used.</span> -<span class="muRecipe">def</span> append first:text<span class="muRecipe"> -> </span>result:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - buf:&:buffer <span class="Special"><-</span> new-buffer<span class="Constant"> 30</span> - <span class="Comment"># append first ingredient</span> - <span class="Delimiter">{</span> - <span class="muControl">break-unless</span> first - buf <span class="Special"><-</span> append buf, first - <span class="Delimiter">}</span> - <span class="Comment"># append remaining ingredients</span> - <span class="Delimiter">{</span> - arg:text, arg-found?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> - <span class="muControl">break-unless</span> arg-found? - <span class="muControl">loop-unless</span> arg - buf <span class="Special"><-</span> append buf, arg - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - result <span class="Special"><-</span> buffer-to-array buf -] - -<span class="muScenario">scenario</span> text-append-1 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[hello,]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[ world!]</span> - run [ - z:text <span class="Special"><-</span> append x, y - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[hello, world!]</span> - ] -] - -<span class="muScenario">scenario</span> text-append-null [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> copy<span class="Constant"> 0</span> - y:text <span class="Special"><-</span> new <span class="Constant">[ world!]</span> - run [ - z:text <span class="Special"><-</span> append x, y - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[ world!]</span> - ] -] - -<span class="muScenario">scenario</span> text-append-null-2 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[hello,]</span> - y:text <span class="Special"><-</span> copy<span class="Constant"> 0</span> - run [ - z:text <span class="Special"><-</span> append x, y - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[hello,]</span> - ] -] - -<span class="muScenario">scenario</span> text-append-multiary [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[hello, ]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[world]</span> - z:text <span class="Special"><-</span> new <span class="Constant">[!]</span> - run [ - z:text <span class="Special"><-</span> append x, y, z - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[hello, world!]</span> - ] -] - -<span class="muScenario">scenario</span> replace-character-in-text [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - x <span class="Special"><-</span> replace x, <span class="Constant">98/b</span>, <span class="Constant">122/z</span> - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[azc]</span> - ] -] - -<span class="muRecipe">def</span> replace s:text, oldc:char, newc:char, from:num/optional<span class="muRecipe"> -> </span>s:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - len:num <span class="Special"><-</span> length *s - i:num <span class="Special"><-</span> find-next s, oldc, from - done?:bool <span class="Special"><-</span> greater-or-equal i, len - <span class="muControl">return-if</span> done? - *s <span class="Special"><-</span> put-index *s, i, newc - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - s <span class="Special"><-</span> replace s, oldc, newc, i -] - -<span class="muScenario">scenario</span> replace-character-at-start [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - x <span class="Special"><-</span> replace x, <span class="Constant">97/a</span>, <span class="Constant">122/z</span> - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[zbc]</span> - ] -] - -<span class="muScenario">scenario</span> replace-character-at-end [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - x <span class="Special"><-</span> replace x, <span class="Constant">99/c</span>, <span class="Constant">122/z</span> - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[abz]</span> - ] -] - -<span class="muScenario">scenario</span> replace-character-missing [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - x <span class="Special"><-</span> replace x, <span class="Constant">100/d</span>, <span class="Constant">122/z</span> - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> - ] -] - -<span class="muScenario">scenario</span> replace-all-characters [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[banana]</span> - run [ - x <span class="Special"><-</span> replace x, <span class="Constant">97/a</span>, <span class="Constant">122/z</span> - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[bznznz]</span> - ] -] - -<span class="Comment"># replace underscores in first with remaining args</span> -<span class="muRecipe">def</span> interpolate template:text<span class="muRecipe"> -> </span>result:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> <span class="Comment"># consume just the template</span> - <span class="Comment"># compute result-len, space to allocate for result</span> - tem-len:num <span class="Special"><-</span> length *template - result-len:num <span class="Special"><-</span> copy tem-len - <span class="Delimiter">{</span> - <span class="Comment"># while ingredients remain</span> - a:text, arg-received?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> - <span class="muControl">break-unless</span> arg-received? - <span class="Comment"># result-len = result-len + arg.length - 1 (for the 'underscore' being replaced)</span> - a-len:num <span class="Special"><-</span> length *a - result-len <span class="Special"><-</span> add result-len, a-len - result-len <span class="Special"><-</span> subtract result-len,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Constant">rewind-ingredients</span> - _ <span class="Special"><-</span> <span class="Constant">next-ingredient</span> <span class="Comment"># skip template</span> - result <span class="Special"><-</span> new <span class="Constant">character:type</span>, result-len - <span class="Comment"># repeatedly copy sections of template and 'holes' into result</span> - result-idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - <span class="Comment"># while arg received</span> - a:text, arg-received?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> - <span class="muControl">break-unless</span> arg-received? - <span class="Comment"># copy template into result until '_'</span> - <span class="Delimiter">{</span> - <span class="Comment"># while i < template.length</span> - tem-done?:bool <span class="Special"><-</span> greater-or-equal i, tem-len - <span class="muControl">break-if</span> tem-done?, <span class="Constant">+done</span> - <span class="Comment"># while template[i] != '_'</span> - in:char <span class="Special"><-</span> index *template, i - underscore?:bool <span class="Special"><-</span> equal in, <span class="Constant">95/_</span> - <span class="muControl">break-if</span> underscore? - <span class="Comment"># result[result-idx] = template[i]</span> - *result <span class="Special"><-</span> put-index *result, result-idx, in - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - result-idx <span class="Special"><-</span> add result-idx,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Comment"># copy 'a' into result</span> - j:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - <span class="Comment"># while j < a.length</span> - arg-done?:bool <span class="Special"><-</span> greater-or-equal j, a-len - <span class="muControl">break-if</span> arg-done? - <span class="Comment"># result[result-idx] = a[j]</span> - in:char <span class="Special"><-</span> index *a, j - *result <span class="Special"><-</span> put-index *result, result-idx, in - j <span class="Special"><-</span> add j,<span class="Constant"> 1</span> - result-idx <span class="Special"><-</span> add result-idx,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Comment"># skip '_' in template</span> - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - <span class="muControl">loop</span> <span class="Comment"># interpolate next arg</span> - <span class="Delimiter">}</span> -<span class="Constant"> +done</span> - <span class="Comment"># done with holes; copy rest of template directly into result</span> - <span class="Delimiter">{</span> - <span class="Comment"># while i < template.length</span> - tem-done?:bool <span class="Special"><-</span> greater-or-equal i, tem-len - <span class="muControl">break-if</span> tem-done? - <span class="Comment"># result[result-idx] = template[i]</span> - in:char <span class="Special"><-</span> index *template, i - *result <span class="Special"><-</span> put-index *result, result-idx, in - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - result-idx <span class="Special"><-</span> add result-idx,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muScenario">scenario</span> interpolate-works [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc_ghi]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[def]</span> - run [ - z:text <span class="Special"><-</span> interpolate x, y - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[abcdefghi]</span> - ] -] - -<span class="muScenario">scenario</span> interpolate-at-start [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[_, hello!]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - z:text <span class="Special"><-</span> interpolate x, y - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[abc, hello!]</span> - <span class="Constant"> 22</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># out of bounds</span> - ] -] - -<span class="muScenario">scenario</span> interpolate-at-end [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[hello, _]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - z:text <span class="Special"><-</span> interpolate x, y - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[hello, abc]</span> - ] -] - -<span class="Comment"># result:bool <- space? c:char</span> -<span class="muRecipe">def</span> space? c:char<span class="muRecipe"> -> </span>result:bool [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - <span class="Comment"># most common case first</span> - result <span class="Special"><-</span> equal c, <span class="Constant">32/space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">9/tab</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">13/carriage-return</span> - <span class="muControl">return-if</span> result - <span class="Comment"># remaining uncommon cases in sorted order</span> - <span class="Comment"># <a href="http://unicode.org">http://unicode.org</a> code-points in unicode-set Z and Pattern_White_Space</span> - result <span class="Special"><-</span> equal c, <span class="Constant">11/ctrl-k</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">12/ctrl-l</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">133/ctrl-0085</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">160/no-break-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">5760/ogham-space-mark</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8192/en-quad</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8193/em-quad</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8194/en-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8195/em-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8196/three-per-em-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8197/four-per-em-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8198/six-per-em-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8199/figure-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8200/punctuation-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8201/thin-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8202/hair-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8206/left-to-right</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8207/right-to-left</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8232/line-separator</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8233/paragraph-separator</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8239/narrow-no-break-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">8287/medium-mathematical-space</span> - <span class="muControl">return-if</span> result - result <span class="Special"><-</span> equal c, <span class="Constant">12288/ideographic-space</span> -] - -<span class="muRecipe">def</span> trim s:text<span class="muRecipe"> -> </span>result:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - len:num <span class="Special"><-</span> length *s - <span class="Comment"># left trim: compute start</span> - start:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - <span class="Delimiter">{</span> - at-end?:bool <span class="Special"><-</span> greater-or-equal start, len - <span class="muControl">break-unless</span> at-end? - result <span class="Special"><-</span> new <span class="Constant">character:type</span>,<span class="Constant"> 0</span> - <span class="muControl">return</span> - <span class="Delimiter">}</span> - curr:char <span class="Special"><-</span> index *s, start - whitespace?:bool <span class="Special"><-</span> space? curr - <span class="muControl">break-unless</span> whitespace? - start <span class="Special"><-</span> add start,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Comment"># right trim: compute end</span> - end:num <span class="Special"><-</span> subtract len,<span class="Constant"> 1</span> - <span class="Delimiter">{</span> - not-at-start?:bool <span class="Special"><-</span> greater-than end, start - assert not-at-start?, <span class="Constant">[end ran up against start]</span> - curr:char <span class="Special"><-</span> index *s, end - whitespace?:bool <span class="Special"><-</span> space? curr - <span class="muControl">break-unless</span> whitespace? - end <span class="Special"><-</span> subtract end,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Comment"># result = new character[end+1 - start]</span> - new-len:num <span class="Special"><-</span> subtract end, start,<span class="Constant"> -1</span> - result:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, new-len - <span class="Comment"># copy the untrimmed parts between start and end</span> - i:num <span class="Special"><-</span> copy start - j:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - <span class="Comment"># while i <= end</span> - done?:bool <span class="Special"><-</span> greater-than i, end - <span class="muControl">break-if</span> done? - <span class="Comment"># result[j] = s[i]</span> - src:char <span class="Special"><-</span> index *s, i - *result <span class="Special"><-</span> put-index *result, j, src - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - j <span class="Special"><-</span> add j,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muScenario">scenario</span> trim-unmodified [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - y:text <span class="Special"><-</span> trim x - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> - ] -] - -<span class="muScenario">scenario</span> trim-left [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[ abc]</span> - run [ - y:text <span class="Special"><-</span> trim x - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> - ] -] - -<span class="muScenario">scenario</span> trim-right [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc ]</span> - run [ - y:text <span class="Special"><-</span> trim x - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> - ] -] - -<span class="muScenario">scenario</span> trim-left-right [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[ abc ]</span> - run [ - y:text <span class="Special"><-</span> trim x - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> - ] -] - -<span class="muScenario">scenario</span> trim-newline-tab [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[ abc</span> -<span class="Constant">]</span> - run [ - y:text <span class="Special"><-</span> trim x - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> - ] -] - -<span class="muRecipe">def</span> find-next text:text, pattern:char, idx:num<span class="muRecipe"> -> </span>next-index:num [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - len:num <span class="Special"><-</span> length *text - <span class="Delimiter">{</span> - eof?:bool <span class="Special"><-</span> greater-or-equal idx, len - <span class="muControl">break-if</span> eof? - curr:char <span class="Special"><-</span> index *text, idx - found?:bool <span class="Special"><-</span> equal curr, pattern - <span class="muControl">break-if</span> found? - idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="muControl">return</span> idx -] - -<span class="muScenario">scenario</span> text-find-next [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[a/b]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> - ] -] - -<span class="muScenario">scenario</span> text-find-next-empty [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> - ] -] - -<span class="muScenario">scenario</span> text-find-next-initial [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[/abc]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># prefix match</span> - ] -] - -<span class="muScenario">scenario</span> text-find-next-final [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc/]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># suffix match</span> - ] -] - -<span class="muScenario">scenario</span> text-find-next-missing [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># no match</span> - ] -] - -<span class="muScenario">scenario</span> text-find-next-invalid-index [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">4/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># no change</span> - ] -] - -<span class="muScenario">scenario</span> text-find-next-first [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[ab/c/]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># first '/' of multiple</span> - ] -] - -<span class="muScenario">scenario</span> text-find-next-second [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[ab/c/]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">3/start-index</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># second '/' of multiple</span> - ] -] - -<span class="Comment"># search for a pattern of multiple characters</span> -<span class="Comment"># fairly dumb algorithm</span> -<span class="muRecipe">def</span> find-next text:text, pattern:text, idx:num<span class="muRecipe"> -> </span>next-index:num [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - first:char <span class="Special"><-</span> index *pattern,<span class="Constant"> 0</span> - <span class="Comment"># repeatedly check for match at current idx</span> - len:num <span class="Special"><-</span> length *text - <span class="Delimiter">{</span> - <span class="Comment"># does some unnecessary work checking even when there isn't enough of text left</span> - done?:bool <span class="Special"><-</span> greater-or-equal idx, len - <span class="muControl">break-if</span> done? - found?:bool <span class="Special"><-</span> match-at text, pattern, idx - <span class="muControl">break-if</span> found? - idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> - <span class="Comment"># optimization: skip past indices that definitely won't match</span> - idx <span class="Special"><-</span> find-next text, first, idx - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="muControl">return</span> idx -] - -<span class="muScenario">scenario</span> find-next-text-1 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> - ] -] - -<span class="muScenario">scenario</span> find-next-text-2 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 1</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> - ] -] - -<span class="muScenario">scenario</span> find-next-no-match [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[bd]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># not found</span> - ] -] - -<span class="muScenario">scenario</span> find-next-suffix-match [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[cd]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> - ] -] - -<span class="muScenario">scenario</span> find-next-suffix-match-2 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[cde]</span> - run [ - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># not found</span> - ] -] - -<span class="Comment"># checks if pattern matches at index 'idx'</span> -<span class="muRecipe">def</span> match-at text:text, pattern:text, idx:num<span class="muRecipe"> -> </span>result:bool [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - pattern-len:num <span class="Special"><-</span> length *pattern - <span class="Comment"># check that there's space left for the pattern</span> - <span class="Delimiter">{</span> - x:num <span class="Special"><-</span> length *text - x <span class="Special"><-</span> subtract x, pattern-len - enough-room?:bool <span class="Special"><-</span> lesser-or-equal idx, x - <span class="muControl">break-if</span> enough-room? - <span class="muControl">return</span> <span class="Constant">0/not-found</span> - <span class="Delimiter">}</span> - <span class="Comment"># check each character of pattern</span> - pattern-idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal pattern-idx, pattern-len - <span class="muControl">break-if</span> done? - c:char <span class="Special"><-</span> index *text, idx - exp:char <span class="Special"><-</span> index *pattern, pattern-idx - <span class="Delimiter">{</span> - match?:bool <span class="Special"><-</span> equal c, exp - <span class="muControl">break-if</span> match? - <span class="muControl">return</span> <span class="Constant">0/not-found</span> - <span class="Delimiter">}</span> - idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> - pattern-idx <span class="Special"><-</span> add pattern-idx,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="muControl">return</span> <span class="Constant">1/found</span> -] - -<span class="muScenario">scenario</span> match-at-checks-pattern-at-index [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[ab]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># match found</span> - ] -] - -<span class="muScenario">scenario</span> match-at-reflexive [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, x,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># match found</span> - ] -] - -<span class="muScenario">scenario</span> match-at-outside-bounds [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[a]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 4</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># never matches</span> - ] -] - -<span class="muScenario">scenario</span> match-at-empty-pattern [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># always matches empty pattern given a valid index</span> - ] -] - -<span class="muScenario">scenario</span> match-at-empty-pattern-outside-bound [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 4</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no match</span> - ] -] - -<span class="muScenario">scenario</span> match-at-empty-text [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no match</span> - ] -] - -<span class="muScenario">scenario</span> match-at-empty-against-empty [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, x,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># matches because pattern is also empty</span> - ] -] - -<span class="muScenario">scenario</span> match-at-inside-bounds [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 1</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># match</span> - ] -] - -<span class="muScenario">scenario</span> match-at-inside-bounds-2 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> - run [ - 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no match</span> - ] -] - -<span class="muRecipe">def</span> split s:text, delim:char<span class="muRecipe"> -> </span>result:&:@:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - <span class="Comment"># empty text? return empty array</span> - len:num <span class="Special"><-</span> length *s - <span class="Delimiter">{</span> - empty?:bool <span class="Special"><-</span> equal len,<span class="Constant"> 0</span> - <span class="muControl">break-unless</span> empty? - result <span class="Special"><-</span> new <span class="Delimiter">{</span>(address array character): type<span class="Delimiter">}</span>,<span class="Constant"> 0</span> - <span class="muControl">return</span> - <span class="Delimiter">}</span> - <span class="Comment"># count #pieces we need room for</span> - count:num <span class="Special"><-</span> copy<span class="Constant"> 1</span> <span class="Comment"># n delimiters = n+1 pieces</span> - idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - idx <span class="Special"><-</span> find-next s, delim, idx - done?:bool <span class="Special"><-</span> greater-or-equal idx, len - <span class="muControl">break-if</span> done? - idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> - count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Comment"># allocate space</span> - result <span class="Special"><-</span> new <span class="Delimiter">{</span>(address array character): type<span class="Delimiter">}</span>, count - <span class="Comment"># repeatedly copy slices start..end until delimiter into result[curr-result]</span> - curr-result:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - start:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - <span class="Comment"># while next delim exists</span> - done?:bool <span class="Special"><-</span> greater-or-equal start, len - <span class="muControl">break-if</span> done? - end:num <span class="Special"><-</span> find-next s, delim, start - <span class="Comment"># copy start..end into result[curr-result]</span> - dest:text <span class="Special"><-</span> copy-range s, start, end - *result <span class="Special"><-</span> put-index *result, curr-result, dest - <span class="Comment"># slide over to next slice</span> - start <span class="Special"><-</span> add end,<span class="Constant"> 1</span> - curr-result <span class="Special"><-</span> add curr-result,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muScenario">scenario</span> text-split-1 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[a/b]</span> - run [ - y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y - a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> - b:text <span class="Special"><-</span> index *y,<span class="Constant"> 1</span> - 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a - 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *b - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># length of result</span> - 20:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> - 30:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> - ] -] - -<span class="muScenario">scenario</span> text-split-2 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[a/b/c]</span> - run [ - y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y - a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> - b:text <span class="Special"><-</span> index *y,<span class="Constant"> 1</span> - c:text <span class="Special"><-</span> index *y,<span class="Constant"> 2</span> - 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a - 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *b - 40:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *c - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># length of result</span> - 20:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> - 30:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> - 40:array:character <span class="Special"><-</span> <span class="Constant">[c]</span> - ] -] - -<span class="muScenario">scenario</span> text-split-missing [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y - a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> - 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># length of result</span> - 20:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> - ] -] - -<span class="muScenario">scenario</span> text-split-empty [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[]</span> - run [ - y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># empty result</span> - ] -] - -<span class="muScenario">scenario</span> text-split-empty-piece [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[a/b//c]</span> - run [ - y:&:@:text <span class="Special"><-</span> split x:text, <span class="Constant">47/slash</span> - 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y - a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> - b:text <span class="Special"><-</span> index *y,<span class="Constant"> 1</span> - c:text <span class="Special"><-</span> index *y,<span class="Constant"> 2</span> - d:text <span class="Special"><-</span> index *y,<span class="Constant"> 3</span> - 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a - 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *b - 40:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *c - 50:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *d - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># length of result</span> - 20:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> - 30:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> - 40:array:character <span class="Special"><-</span> <span class="Constant">[]</span> - 50:array:character <span class="Special"><-</span> <span class="Constant">[c]</span> - ] -] - -<span class="muRecipe">def</span> split-first text:text, delim:char<span class="muRecipe"> -> </span>x:text, y:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - <span class="Comment"># empty text? return empty texts</span> - len:num <span class="Special"><-</span> length *text - <span class="Delimiter">{</span> - empty?:bool <span class="Special"><-</span> equal len,<span class="Constant"> 0</span> - <span class="muControl">break-unless</span> empty? - x:text <span class="Special"><-</span> new <span class="Constant">[]</span> - y:text <span class="Special"><-</span> new <span class="Constant">[]</span> - <span class="muControl">return</span> - <span class="Delimiter">}</span> - idx:num <span class="Special"><-</span> find-next text, delim,<span class="Constant"> 0</span> - x:text <span class="Special"><-</span> copy-range text,<span class="Constant"> 0</span>, idx - idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> - y:text <span class="Special"><-</span> copy-range text, idx, len -] - -<span class="muScenario">scenario</span> text-split-first [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[a/b]</span> - run [ - y:text, z:text <span class="Special"><-</span> split-first x, <span class="Constant">47/slash</span> - 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z - ] - memory-should-contain [ - 10:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> - 20:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> - ] -] - -<span class="muRecipe">def</span> copy-range buf:text, start:num, end:num<span class="muRecipe"> -> </span>result:text [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - <span class="Comment"># if end is out of bounds, trim it</span> - len:num <span class="Special"><-</span> length *buf - end:num <span class="Special"><-</span> min len, end - <span class="Comment"># allocate space for result</span> - len <span class="Special"><-</span> subtract end, start - result:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, len - <span class="Comment"># copy start..end into result[curr-result]</span> - src-idx:num <span class="Special"><-</span> copy start - dest-idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal src-idx, end - <span class="muControl">break-if</span> done? - src:char <span class="Special"><-</span> index *buf, src-idx - *result <span class="Special"><-</span> put-index *result, dest-idx, src - src-idx <span class="Special"><-</span> add src-idx,<span class="Constant"> 1</span> - dest-idx <span class="Special"><-</span> add dest-idx,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muScenario">scenario</span> copy-range-works [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - y:text <span class="Special"><-</span> copy-range x,<span class="Constant"> 1</span>,<span class="Constant"> 3</span> - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[bc]</span> - ] -] - -<span class="muScenario">scenario</span> copy-range-out-of-bounds [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - y:text <span class="Special"><-</span> copy-range x,<span class="Constant"> 2</span>,<span class="Constant"> 4</span> - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[c]</span> - ] -] - -<span class="muScenario">scenario</span> copy-range-out-of-bounds-2 [ - <span class="Constant">local-scope</span> - x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> - run [ - y:text <span class="Special"><-</span> copy-range x,<span class="Constant"> 3</span>,<span class="Constant"> 3</span> - 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y - ] - memory-should-contain [ - 1:array:character <span class="Special"><-</span> <span class="Constant">[]</span> - ] -] - -<span class="muRecipe">def</span> parse-whole-number in:text<span class="muRecipe"> -> </span>out:num, error?:bool [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - out <span class="Special"><-</span> copy<span class="Constant"> 0</span> - result:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span class="Comment"># temporary location</span> - i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - len:num <span class="Special"><-</span> length *in - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> greater-or-equal i, len - <span class="muControl">break-if</span> done? - c:char <span class="Special"><-</span> index *in, i - x:num <span class="Special"><-</span> character-to-code c - digit:num, error?:bool <span class="Special"><-</span> character-code-to-digit x - <span class="muControl">reply-if</span> error? - result <span class="Special"><-</span> multiply result,<span class="Constant"> 10</span> - result <span class="Special"><-</span> add result, digit - i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Comment"># no error; all digits were valid</span> - out <span class="Special"><-</span> copy result -] - -<span class="Comment"># (contributed by Ella Couch)</span> -<span class="muRecipe">recipe</span> character-code-to-digit character-code:number<span class="muRecipe"> -> </span>result:number, error?:boolean [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - result <span class="Special"><-</span> copy<span class="Constant"> 0</span> - error? <span class="Special"><-</span> lesser-than character-code,<span class="Constant"> 48</span> <span class="Comment"># '0'</span> - <span class="muControl">reply-if</span> error? - error? <span class="Special"><-</span> greater-than character-code,<span class="Constant"> 57</span> <span class="Comment"># '9'</span> - <span class="muControl">reply-if</span> error? - result <span class="Special"><-</span> subtract character-code,<span class="Constant"> 48</span> -] - -<span class="muScenario">scenario</span> character-code-to-digit-contain-only-digit [ - <span class="Constant">local-scope</span> - a:number <span class="Special"><-</span> copy<span class="Constant"> 48</span> <span class="Comment"># character code for '0'</span> - run [ - 10:number/<span class="Special">raw</span>, 11:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no error</span> - ] -] - -<span class="muScenario">scenario</span> character-code-to-digit-contain-only-digit-2 [ - <span class="Constant">local-scope</span> - a:number <span class="Special"><-</span> copy<span class="Constant"> 57</span> <span class="Comment"># character code for '9'</span> - run [ - 1:number/<span class="Special">raw</span>, 2:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a - ] - memory-should-contain [ - <span class="Constant"> 1</span> <span class="Special"><-</span><span class="Constant"> 9</span> - <span class="Constant"> 2</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no error</span> - ] -] - -<span class="muScenario">scenario</span> character-code-to-digit-handles-codes-lower-than-zero [ - <span class="Constant">local-scope</span> - a:number <span class="Special"><-</span> copy<span class="Constant"> 47</span> - run [ - 10:number/<span class="Special">raw</span>, 11:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># error</span> - ] -] - -<span class="muScenario">scenario</span> character-code-to-digit-handles-codes-larger-than-nine [ - <span class="Constant">local-scope</span> - a:number <span class="Special"><-</span> copy<span class="Constant"> 58</span> - run [ - 10:number/<span class="Special">raw</span>, 11:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a - ] - memory-should-contain [ - <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> - <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># error</span> - ] -] +<a name="L1"></a><span id="L1" class="LineNr"> 1 </span><span class="Comment"># Some useful helpers for dealing with text (arrays of characters)</span> +<a name="L2"></a><span id="L2" class="LineNr"> 2 </span> +<a name="L3"></a><span id="L3" class="LineNr"> 3 </span><span class="muRecipe">def</span> equal a:text, b:text<span class="muRecipe"> -> </span>result:bool [ +<a name="L4"></a><span id="L4" class="LineNr"> 4 </span> <span class="Constant">local-scope</span> +<a name="L5"></a><span id="L5" class="LineNr"> 5 </span> <span class="Constant">load-ingredients</span> +<a name="L6"></a><span id="L6" class="LineNr"> 6 </span> an:num, bn:num <span class="Special"><-</span> copy a, b +<a name="L7"></a><span id="L7" class="LineNr"> 7 </span> address-equal?:boolean <span class="Special"><-</span> equal an, bn +<a name="L8"></a><span id="L8" class="LineNr"> 8 </span> <span class="muControl">reply-if</span> address-equal?, <span class="Constant">1/true</span> +<a name="L9"></a><span id="L9" class="LineNr"> 9 </span> <span class="muControl">reply-unless</span> a, <span class="Constant">0/false</span> +<a name="L10"></a><span id="L10" class="LineNr"> 10 </span> <span class="muControl">reply-unless</span> b, <span class="Constant">0/false</span> +<a name="L11"></a><span id="L11" class="LineNr"> 11 </span> a-len:num <span class="Special"><-</span> length *a +<a name="L12"></a><span id="L12" class="LineNr"> 12 </span> b-len:num <span class="Special"><-</span> length *b +<a name="L13"></a><span id="L13" class="LineNr"> 13 </span> <span class="Comment"># compare lengths</span> +<a name="L14"></a><span id="L14" class="LineNr"> 14 </span> <span class="Delimiter">{</span> +<a name="L15"></a><span id="L15" class="LineNr"> 15 </span> trace<span class="Constant"> 99</span>, <span class="Constant">[text-equal]</span>, <span class="Constant">[comparing lengths]</span> +<a name="L16"></a><span id="L16" class="LineNr"> 16 </span> length-equal?:bool <span class="Special"><-</span> equal a-len, b-len +<a name="L17"></a><span id="L17" class="LineNr"> 17 </span> <span class="muControl">break-if</span> length-equal? +<a name="L18"></a><span id="L18" class="LineNr"> 18 </span> <span class="muControl">return</span><span class="Constant"> 0</span> +<a name="L19"></a><span id="L19" class="LineNr"> 19 </span> <span class="Delimiter">}</span> +<a name="L20"></a><span id="L20" class="LineNr"> 20 </span> <span class="Comment"># compare each corresponding character</span> +<a name="L21"></a><span id="L21" class="LineNr"> 21 </span> trace<span class="Constant"> 99</span>, <span class="Constant">[text-equal]</span>, <span class="Constant">[comparing characters]</span> +<a name="L22"></a><span id="L22" class="LineNr"> 22 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L23"></a><span id="L23" class="LineNr"> 23 </span> <span class="Delimiter">{</span> +<a name="L24"></a><span id="L24" class="LineNr"> 24 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, a-len +<a name="L25"></a><span id="L25" class="LineNr"> 25 </span> <span class="muControl">break-if</span> done? +<a name="L26"></a><span id="L26" class="LineNr"> 26 </span> a2:char <span class="Special"><-</span> index *a, i +<a name="L27"></a><span id="L27" class="LineNr"> 27 </span> b2:char <span class="Special"><-</span> index *b, i +<a name="L28"></a><span id="L28" class="LineNr"> 28 </span> <span class="Delimiter">{</span> +<a name="L29"></a><span id="L29" class="LineNr"> 29 </span> chars-match?:bool <span class="Special"><-</span> equal a2, b2 +<a name="L30"></a><span id="L30" class="LineNr"> 30 </span> <span class="muControl">break-if</span> chars-match? +<a name="L31"></a><span id="L31" class="LineNr"> 31 </span> <span class="muControl">return</span><span class="Constant"> 0</span> +<a name="L32"></a><span id="L32" class="LineNr"> 32 </span> <span class="Delimiter">}</span> +<a name="L33"></a><span id="L33" class="LineNr"> 33 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L34"></a><span id="L34" class="LineNr"> 34 </span> <span class="muControl">loop</span> +<a name="L35"></a><span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">}</span> +<a name="L36"></a><span id="L36" class="LineNr"> 36 </span> <span class="muControl">return</span><span class="Constant"> 1</span> +<a name="L37"></a><span id="L37" class="LineNr"> 37 </span>] +<a name="L38"></a><span id="L38" class="LineNr"> 38 </span> +<a name="L39"></a><span id="L39" class="LineNr"> 39 </span><span class="muScenario">scenario</span> text-equal-reflexive [ +<a name="L40"></a><span id="L40" class="LineNr"> 40 </span> <span class="Constant">local-scope</span> +<a name="L41"></a><span id="L41" class="LineNr"> 41 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L42"></a><span id="L42" class="LineNr"> 42 </span> run [ +<a name="L43"></a><span id="L43" class="LineNr"> 43 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, x +<a name="L44"></a><span id="L44" class="LineNr"> 44 </span> ] +<a name="L45"></a><span id="L45" class="LineNr"> 45 </span> memory-should-contain [ +<a name="L46"></a><span id="L46" class="LineNr"> 46 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># x == x for all x</span> +<a name="L47"></a><span id="L47" class="LineNr"> 47 </span> ] +<a name="L48"></a><span id="L48" class="LineNr"> 48 </span>] +<a name="L49"></a><span id="L49" class="LineNr"> 49 </span> +<a name="L50"></a><span id="L50" class="LineNr"> 50 </span><span class="muScenario">scenario</span> text-equal-identical [ +<a name="L51"></a><span id="L51" class="LineNr"> 51 </span> <span class="Constant">local-scope</span> +<a name="L52"></a><span id="L52" class="LineNr"> 52 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L53"></a><span id="L53" class="LineNr"> 53 </span> y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L54"></a><span id="L54" class="LineNr"> 54 </span> run [ +<a name="L55"></a><span id="L55" class="LineNr"> 55 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y +<a name="L56"></a><span id="L56" class="LineNr"> 56 </span> ] +<a name="L57"></a><span id="L57" class="LineNr"> 57 </span> memory-should-contain [ +<a name="L58"></a><span id="L58" class="LineNr"> 58 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># abc == abc</span> +<a name="L59"></a><span id="L59" class="LineNr"> 59 </span> ] +<a name="L60"></a><span id="L60" class="LineNr"> 60 </span>] +<a name="L61"></a><span id="L61" class="LineNr"> 61 </span> +<a name="L62"></a><span id="L62" class="LineNr"> 62 </span><span class="muScenario">scenario</span> text-equal-distinct-lengths [ +<a name="L63"></a><span id="L63" class="LineNr"> 63 </span> <span class="Constant">local-scope</span> +<a name="L64"></a><span id="L64" class="LineNr"> 64 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L65"></a><span id="L65" class="LineNr"> 65 </span> y:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> +<a name="L66"></a><span id="L66" class="LineNr"> 66 </span> run [ +<a name="L67"></a><span id="L67" class="LineNr"> 67 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y +<a name="L68"></a><span id="L68" class="LineNr"> 68 </span> ] +<a name="L69"></a><span id="L69" class="LineNr"> 69 </span> memory-should-contain [ +<a name="L70"></a><span id="L70" class="LineNr"> 70 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># abc != abcd</span> +<a name="L71"></a><span id="L71" class="LineNr"> 71 </span> ] +<a name="L72"></a><span id="L72" class="LineNr"> 72 </span> trace-should-contain [ +<a name="L73"></a><span id="L73" class="LineNr"> 73 </span> text-equal: comparing lengths +<a name="L74"></a><span id="L74" class="LineNr"> 74 </span> ] +<a name="L75"></a><span id="L75" class="LineNr"> 75 </span> trace-should-not-contain [ +<a name="L76"></a><span id="L76" class="LineNr"> 76 </span> text-equal: comparing characters +<a name="L77"></a><span id="L77" class="LineNr"> 77 </span> ] +<a name="L78"></a><span id="L78" class="LineNr"> 78 </span>] +<a name="L79"></a><span id="L79" class="LineNr"> 79 </span> +<a name="L80"></a><span id="L80" class="LineNr"> 80 </span><span class="muScenario">scenario</span> text-equal-with-empty [ +<a name="L81"></a><span id="L81" class="LineNr"> 81 </span> <span class="Constant">local-scope</span> +<a name="L82"></a><span id="L82" class="LineNr"> 82 </span> x:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L83"></a><span id="L83" class="LineNr"> 83 </span> y:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> +<a name="L84"></a><span id="L84" class="LineNr"> 84 </span> run [ +<a name="L85"></a><span id="L85" class="LineNr"> 85 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y +<a name="L86"></a><span id="L86" class="LineNr"> 86 </span> ] +<a name="L87"></a><span id="L87" class="LineNr"> 87 </span> memory-should-contain [ +<a name="L88"></a><span id="L88" class="LineNr"> 88 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># "" != abcd</span> +<a name="L89"></a><span id="L89" class="LineNr"> 89 </span> ] +<a name="L90"></a><span id="L90" class="LineNr"> 90 </span>] +<a name="L91"></a><span id="L91" class="LineNr"> 91 </span> +<a name="L92"></a><span id="L92" class="LineNr"> 92 </span><span class="muScenario">scenario</span> text-equal-with-null [ +<a name="L93"></a><span id="L93" class="LineNr"> 93 </span> <span class="Constant">local-scope</span> +<a name="L94"></a><span id="L94" class="LineNr"> 94 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> +<a name="L95"></a><span id="L95" class="LineNr"> 95 </span> y:text <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L96"></a><span id="L96" class="LineNr"> 96 </span> run [ +<a name="L97"></a><span id="L97" class="LineNr"> 97 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x,<span class="Constant"> 0</span> +<a name="L98"></a><span id="L98" class="LineNr"> 98 </span> 11:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal<span class="Constant"> 0</span>, x +<a name="L99"></a><span id="L99" class="LineNr"> 99 </span> 12:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y +<a name="L100"></a><span id="L100" class="LineNr"> 100 </span> 13:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal y, x +<a name="L101"></a><span id="L101" class="LineNr"> 101 </span> 14:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal y, y +<a name="L102"></a><span id="L102" class="LineNr"> 102 </span> ] +<a name="L103"></a><span id="L103" class="LineNr"> 103 </span> memory-should-contain [ +<a name="L104"></a><span id="L104" class="LineNr"> 104 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L105"></a><span id="L105" class="LineNr"> 105 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L106"></a><span id="L106" class="LineNr"> 106 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L107"></a><span id="L107" class="LineNr"> 107 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L108"></a><span id="L108" class="LineNr"> 108 </span> <span class="Constant"> 14</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<a name="L109"></a><span id="L109" class="LineNr"> 109 </span> ] +<a name="L110"></a><span id="L110" class="LineNr"> 110 </span> check-trace-count-for-label<span class="Constant"> 0</span>, <span class="Constant">[error]</span> +<a name="L111"></a><span id="L111" class="LineNr"> 111 </span>] +<a name="L112"></a><span id="L112" class="LineNr"> 112 </span> +<a name="L113"></a><span id="L113" class="LineNr"> 113 </span><span class="muScenario">scenario</span> text-equal-common-lengths-but-distinct [ +<a name="L114"></a><span id="L114" class="LineNr"> 114 </span> <span class="Constant">local-scope</span> +<a name="L115"></a><span id="L115" class="LineNr"> 115 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L116"></a><span id="L116" class="LineNr"> 116 </span> y:text <span class="Special"><-</span> new <span class="Constant">[abd]</span> +<a name="L117"></a><span id="L117" class="LineNr"> 117 </span> run [ +<a name="L118"></a><span id="L118" class="LineNr"> 118 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal x, y +<a name="L119"></a><span id="L119" class="LineNr"> 119 </span> ] +<a name="L120"></a><span id="L120" class="LineNr"> 120 </span> memory-should-contain [ +<a name="L121"></a><span id="L121" class="LineNr"> 121 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># abc != abd</span> +<a name="L122"></a><span id="L122" class="LineNr"> 122 </span> ] +<a name="L123"></a><span id="L123" class="LineNr"> 123 </span>] +<a name="L124"></a><span id="L124" class="LineNr"> 124 </span> +<a name="L125"></a><span id="L125" class="LineNr"> 125 </span><span class="Comment"># A new type to help incrementally construct texts.</span> +<a name="L126"></a><span id="L126" class="LineNr"> 126 </span><span class="Comment"># todo: make this shape-shifting.</span> +<a name="L127"></a><span id="L127" class="LineNr"> 127 </span><span class="muData">container</span> buffer [ +<a name="L128"></a><span id="L128" class="LineNr"> 128 </span> length:num +<a name="L129"></a><span id="L129" class="LineNr"> 129 </span> data:text +<a name="L130"></a><span id="L130" class="LineNr"> 130 </span>] +<a name="L131"></a><span id="L131" class="LineNr"> 131 </span> +<a name="L132"></a><span id="L132" class="LineNr"> 132 </span><span class="muRecipe">def</span> new-buffer capacity:num<span class="muRecipe"> -> </span>result:&:buffer [ +<a name="L133"></a><span id="L133" class="LineNr"> 133 </span> <span class="Constant">local-scope</span> +<a name="L134"></a><span id="L134" class="LineNr"> 134 </span> <span class="Constant">load-ingredients</span> +<a name="L135"></a><span id="L135" class="LineNr"> 135 </span> result <span class="Special"><-</span> new <span class="Constant">buffer:type</span> +<a name="L136"></a><span id="L136" class="LineNr"> 136 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">length:offset</span>,<span class="Constant"> 0</span> +<a name="L137"></a><span id="L137" class="LineNr"> 137 </span> <span class="Delimiter">{</span> +<a name="L138"></a><span id="L138" class="LineNr"> 138 </span> <span class="muControl">break-if</span> capacity +<a name="L139"></a><span id="L139" class="LineNr"> 139 </span> <span class="Comment"># capacity not provided</span> +<a name="L140"></a><span id="L140" class="LineNr"> 140 </span> capacity <span class="Special"><-</span> copy<span class="Constant"> 10</span> +<a name="L141"></a><span id="L141" class="LineNr"> 141 </span> <span class="Delimiter">}</span> +<a name="L142"></a><span id="L142" class="LineNr"> 142 </span> data:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, capacity +<a name="L143"></a><span id="L143" class="LineNr"> 143 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">data:offset</span>, data +<a name="L144"></a><span id="L144" class="LineNr"> 144 </span> <span class="muControl">return</span> result +<a name="L145"></a><span id="L145" class="LineNr"> 145 </span>] +<a name="L146"></a><span id="L146" class="LineNr"> 146 </span> +<a name="L147"></a><span id="L147" class="LineNr"> 147 </span><span class="muRecipe">def</span> grow-buffer buf:&:buffer<span class="muRecipe"> -> </span>buf:&:buffer [ +<a name="L148"></a><span id="L148" class="LineNr"> 148 </span> <span class="Constant">local-scope</span> +<a name="L149"></a><span id="L149" class="LineNr"> 149 </span> <span class="Constant">load-ingredients</span> +<a name="L150"></a><span id="L150" class="LineNr"> 150 </span> <span class="Comment"># double buffer size</span> +<a name="L151"></a><span id="L151" class="LineNr"> 151 </span> olddata:text <span class="Special"><-</span> get *buf, <span class="Constant">data:offset</span> +<a name="L152"></a><span id="L152" class="LineNr"> 152 </span> oldlen:num <span class="Special"><-</span> length *olddata +<a name="L153"></a><span id="L153" class="LineNr"> 153 </span> newlen:num <span class="Special"><-</span> multiply oldlen,<span class="Constant"> 2</span> +<a name="L154"></a><span id="L154" class="LineNr"> 154 </span> newdata:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, newlen +<a name="L155"></a><span id="L155" class="LineNr"> 155 </span> *buf <span class="Special"><-</span> put *buf, <span class="Constant">data:offset</span>, newdata +<a name="L156"></a><span id="L156" class="LineNr"> 156 </span> <span class="Comment"># copy old contents</span> +<a name="L157"></a><span id="L157" class="LineNr"> 157 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L158"></a><span id="L158" class="LineNr"> 158 </span> <span class="Delimiter">{</span> +<a name="L159"></a><span id="L159" class="LineNr"> 159 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, oldlen +<a name="L160"></a><span id="L160" class="LineNr"> 160 </span> <span class="muControl">break-if</span> done? +<a name="L161"></a><span id="L161" class="LineNr"> 161 </span> src:char <span class="Special"><-</span> index *olddata, i +<a name="L162"></a><span id="L162" class="LineNr"> 162 </span> *newdata <span class="Special"><-</span> put-index *newdata, i, src +<a name="L163"></a><span id="L163" class="LineNr"> 163 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L164"></a><span id="L164" class="LineNr"> 164 </span> <span class="muControl">loop</span> +<a name="L165"></a><span id="L165" class="LineNr"> 165 </span> <span class="Delimiter">}</span> +<a name="L166"></a><span id="L166" class="LineNr"> 166 </span>] +<a name="L167"></a><span id="L167" class="LineNr"> 167 </span> +<a name="L168"></a><span id="L168" class="LineNr"> 168 </span><span class="muRecipe">def</span> buffer-full? in:&:buffer<span class="muRecipe"> -> </span>result:bool [ +<a name="L169"></a><span id="L169" class="LineNr"> 169 </span> <span class="Constant">local-scope</span> +<a name="L170"></a><span id="L170" class="LineNr"> 170 </span> <span class="Constant">load-ingredients</span> +<a name="L171"></a><span id="L171" class="LineNr"> 171 </span> len:num <span class="Special"><-</span> get *in, <span class="Constant">length:offset</span> +<a name="L172"></a><span id="L172" class="LineNr"> 172 </span> s:text <span class="Special"><-</span> get *in, <span class="Constant">data:offset</span> +<a name="L173"></a><span id="L173" class="LineNr"> 173 </span> capacity:num <span class="Special"><-</span> length *s +<a name="L174"></a><span id="L174" class="LineNr"> 174 </span> result <span class="Special"><-</span> greater-or-equal len, capacity +<a name="L175"></a><span id="L175" class="LineNr"> 175 </span>] +<a name="L176"></a><span id="L176" class="LineNr"> 176 </span> +<a name="L177"></a><span id="L177" class="LineNr"> 177 </span><span class="Comment"># most broadly applicable definition of append to a buffer: just call to-text</span> +<a name="L178"></a><span id="L178" class="LineNr"> 178 </span><span class="muRecipe">def</span> append buf:&:buffer, x:_elem<span class="muRecipe"> -> </span>buf:&:buffer [ +<a name="L179"></a><span id="L179" class="LineNr"> 179 </span> <span class="Constant">local-scope</span> +<a name="L180"></a><span id="L180" class="LineNr"> 180 </span> <span class="Constant">load-ingredients</span> +<a name="L181"></a><span id="L181" class="LineNr"> 181 </span> text:text <span class="Special"><-</span> to-text x +<a name="L182"></a><span id="L182" class="LineNr"> 182 </span> len:num <span class="Special"><-</span> length *text +<a name="L183"></a><span id="L183" class="LineNr"> 183 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L184"></a><span id="L184" class="LineNr"> 184 </span> <span class="Delimiter">{</span> +<a name="L185"></a><span id="L185" class="LineNr"> 185 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<a name="L186"></a><span id="L186" class="LineNr"> 186 </span> <span class="muControl">break-if</span> done? +<a name="L187"></a><span id="L187" class="LineNr"> 187 </span> c:char <span class="Special"><-</span> index *text, i +<a name="L188"></a><span id="L188" class="LineNr"> 188 </span> buf <span class="Special"><-</span> append buf, c +<a name="L189"></a><span id="L189" class="LineNr"> 189 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L190"></a><span id="L190" class="LineNr"> 190 </span> <span class="muControl">loop</span> +<a name="L191"></a><span id="L191" class="LineNr"> 191 </span> <span class="Delimiter">}</span> +<a name="L192"></a><span id="L192" class="LineNr"> 192 </span>] +<a name="L193"></a><span id="L193" class="LineNr"> 193 </span> +<a name="L194"></a><span id="L194" class="LineNr"> 194 </span><span class="muRecipe">def</span> append buf:&:buffer, c:char<span class="muRecipe"> -> </span>buf:&:buffer [ +<a name="L195"></a><span id="L195" class="LineNr"> 195 </span> <span class="Constant">local-scope</span> +<a name="L196"></a><span id="L196" class="LineNr"> 196 </span> <span class="Constant">load-ingredients</span> +<a name="L197"></a><span id="L197" class="LineNr"> 197 </span> len:num <span class="Special"><-</span> get *buf, <span class="Constant">length:offset</span> +<a name="L198"></a><span id="L198" class="LineNr"> 198 </span> <span class="Delimiter">{</span> +<a name="L199"></a><span id="L199" class="LineNr"> 199 </span> <span class="Comment"># backspace? just drop last character if it exists and return</span> +<a name="L200"></a><span id="L200" class="LineNr"> 200 </span> backspace?:bool <span class="Special"><-</span> equal c, <span class="Constant">8/backspace</span> +<a name="L201"></a><span id="L201" class="LineNr"> 201 </span> <span class="muControl">break-unless</span> backspace? +<a name="L202"></a><span id="L202" class="LineNr"> 202 </span> empty?:bool <span class="Special"><-</span> lesser-or-equal len,<span class="Constant"> 0</span> +<a name="L203"></a><span id="L203" class="LineNr"> 203 </span> <span class="muControl">return-if</span> empty? +<a name="L204"></a><span id="L204" class="LineNr"> 204 </span> len <span class="Special"><-</span> subtract len,<span class="Constant"> 1</span> +<a name="L205"></a><span id="L205" class="LineNr"> 205 </span> *buf <span class="Special"><-</span> put *buf, <span class="Constant">length:offset</span>, len +<a name="L206"></a><span id="L206" class="LineNr"> 206 </span> <span class="muControl">return</span> +<a name="L207"></a><span id="L207" class="LineNr"> 207 </span> <span class="Delimiter">}</span> +<a name="L208"></a><span id="L208" class="LineNr"> 208 </span> <span class="Delimiter">{</span> +<a name="L209"></a><span id="L209" class="LineNr"> 209 </span> <span class="Comment"># grow buffer if necessary</span> +<a name="L210"></a><span id="L210" class="LineNr"> 210 </span> full?:bool <span class="Special"><-</span> buffer-full? buf +<a name="L211"></a><span id="L211" class="LineNr"> 211 </span> <span class="muControl">break-unless</span> full? +<a name="L212"></a><span id="L212" class="LineNr"> 212 </span> buf <span class="Special"><-</span> grow-buffer buf +<a name="L213"></a><span id="L213" class="LineNr"> 213 </span> <span class="Delimiter">}</span> +<a name="L214"></a><span id="L214" class="LineNr"> 214 </span> s:text <span class="Special"><-</span> get *buf, <span class="Constant">data:offset</span> +<a name="L215"></a><span id="L215" class="LineNr"> 215 </span> *s <span class="Special"><-</span> put-index *s, len, c +<a name="L216"></a><span id="L216" class="LineNr"> 216 </span> len <span class="Special"><-</span> add len,<span class="Constant"> 1</span> +<a name="L217"></a><span id="L217" class="LineNr"> 217 </span> *buf <span class="Special"><-</span> put *buf, <span class="Constant">length:offset</span>, len +<a name="L218"></a><span id="L218" class="LineNr"> 218 </span>] +<a name="L219"></a><span id="L219" class="LineNr"> 219 </span> +<a name="L220"></a><span id="L220" class="LineNr"> 220 </span><span class="muRecipe">def</span> append buf:&:buffer, t:text<span class="muRecipe"> -> </span>buf:&:buffer [ +<a name="L221"></a><span id="L221" class="LineNr"> 221 </span> <span class="Constant">local-scope</span> +<a name="L222"></a><span id="L222" class="LineNr"> 222 </span> <span class="Constant">load-ingredients</span> +<a name="L223"></a><span id="L223" class="LineNr"> 223 </span> len:num <span class="Special"><-</span> length *t +<a name="L224"></a><span id="L224" class="LineNr"> 224 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L225"></a><span id="L225" class="LineNr"> 225 </span> <span class="Delimiter">{</span> +<a name="L226"></a><span id="L226" class="LineNr"> 226 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<a name="L227"></a><span id="L227" class="LineNr"> 227 </span> <span class="muControl">break-if</span> done? +<a name="L228"></a><span id="L228" class="LineNr"> 228 </span> c:char <span class="Special"><-</span> index *t, i +<a name="L229"></a><span id="L229" class="LineNr"> 229 </span> buf <span class="Special"><-</span> append buf, c +<a name="L230"></a><span id="L230" class="LineNr"> 230 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L231"></a><span id="L231" class="LineNr"> 231 </span> <span class="muControl">loop</span> +<a name="L232"></a><span id="L232" class="LineNr"> 232 </span> <span class="Delimiter">}</span> +<a name="L233"></a><span id="L233" class="LineNr"> 233 </span>] +<a name="L234"></a><span id="L234" class="LineNr"> 234 </span> +<a name="L235"></a><span id="L235" class="LineNr"> 235 </span><span class="muScenario">scenario</span> append-to-empty-buffer [ +<a name="L236"></a><span id="L236" class="LineNr"> 236 </span> <span class="Constant">local-scope</span> +<a name="L237"></a><span id="L237" class="LineNr"> 237 </span> x:&:buffer <span class="Special"><-</span> new-buffer +<a name="L238"></a><span id="L238" class="LineNr"> 238 </span> run [ +<a name="L239"></a><span id="L239" class="LineNr"> 239 </span> c:char <span class="Special"><-</span> copy <span class="Constant">97/a</span> +<a name="L240"></a><span id="L240" class="LineNr"> 240 </span> x <span class="Special"><-</span> append x, c +<a name="L241"></a><span id="L241" class="LineNr"> 241 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *x, <span class="Constant">length:offset</span> +<a name="L242"></a><span id="L242" class="LineNr"> 242 </span> s:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> +<a name="L243"></a><span id="L243" class="LineNr"> 243 </span> 11:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 0</span> +<a name="L244"></a><span id="L244" class="LineNr"> 244 </span> 12:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 1</span> +<a name="L245"></a><span id="L245" class="LineNr"> 245 </span> ] +<a name="L246"></a><span id="L246" class="LineNr"> 246 </span> memory-should-contain [ +<a name="L247"></a><span id="L247" class="LineNr"> 247 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># buffer length</span> +<a name="L248"></a><span id="L248" class="LineNr"> 248 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># a</span> +<a name="L249"></a><span id="L249" class="LineNr"> 249 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># rest of buffer is empty</span> +<a name="L250"></a><span id="L250" class="LineNr"> 250 </span> ] +<a name="L251"></a><span id="L251" class="LineNr"> 251 </span>] +<a name="L252"></a><span id="L252" class="LineNr"> 252 </span> +<a name="L253"></a><span id="L253" class="LineNr"> 253 </span><span class="muScenario">scenario</span> append-to-buffer [ +<a name="L254"></a><span id="L254" class="LineNr"> 254 </span> <span class="Constant">local-scope</span> +<a name="L255"></a><span id="L255" class="LineNr"> 255 </span> x:&:buffer <span class="Special"><-</span> new-buffer +<a name="L256"></a><span id="L256" class="LineNr"> 256 </span> c:char <span class="Special"><-</span> copy <span class="Constant">97/a</span> +<a name="L257"></a><span id="L257" class="LineNr"> 257 </span> x <span class="Special"><-</span> append x, c +<a name="L258"></a><span id="L258" class="LineNr"> 258 </span> run [ +<a name="L259"></a><span id="L259" class="LineNr"> 259 </span> c <span class="Special"><-</span> copy <span class="Constant">98/b</span> +<a name="L260"></a><span id="L260" class="LineNr"> 260 </span> x <span class="Special"><-</span> append x, c +<a name="L261"></a><span id="L261" class="LineNr"> 261 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> get *x, <span class="Constant">length:offset</span> +<a name="L262"></a><span id="L262" class="LineNr"> 262 </span> s:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> +<a name="L263"></a><span id="L263" class="LineNr"> 263 </span> 11:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 0</span> +<a name="L264"></a><span id="L264" class="LineNr"> 264 </span> 12:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 1</span> +<a name="L265"></a><span id="L265" class="LineNr"> 265 </span> 13:char/<span class="Special">raw</span> <span class="Special"><-</span> index *s,<span class="Constant"> 2</span> +<a name="L266"></a><span id="L266" class="LineNr"> 266 </span> ] +<a name="L267"></a><span id="L267" class="LineNr"> 267 </span> memory-should-contain [ +<a name="L268"></a><span id="L268" class="LineNr"> 268 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># buffer length</span> +<a name="L269"></a><span id="L269" class="LineNr"> 269 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># a</span> +<a name="L270"></a><span id="L270" class="LineNr"> 270 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 98</span> <span class="Comment"># b</span> +<a name="L271"></a><span id="L271" class="LineNr"> 271 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># rest of buffer is empty</span> +<a name="L272"></a><span id="L272" class="LineNr"> 272 </span> ] +<a name="L273"></a><span id="L273" class="LineNr"> 273 </span>] +<a name="L274"></a><span id="L274" class="LineNr"> 274 </span> +<a name="L275"></a><span id="L275" class="LineNr"> 275 </span><span class="muScenario">scenario</span> append-grows-buffer [ +<a name="L276"></a><span id="L276" class="LineNr"> 276 </span> <span class="Constant">local-scope</span> +<a name="L277"></a><span id="L277" class="LineNr"> 277 </span> x:&:buffer <span class="Special"><-</span> new-buffer<span class="Constant"> 3</span> +<a name="L278"></a><span id="L278" class="LineNr"> 278 </span> s1:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> +<a name="L279"></a><span id="L279" class="LineNr"> 279 </span> x <span class="Special"><-</span> append x, <span class="Constant">[abc]</span> <span class="Comment"># buffer is now full</span> +<a name="L280"></a><span id="L280" class="LineNr"> 280 </span> s2:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> +<a name="L281"></a><span id="L281" class="LineNr"> 281 </span> run [ +<a name="L282"></a><span id="L282" class="LineNr"> 282 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal s1, s2 +<a name="L283"></a><span id="L283" class="LineNr"> 283 </span> 11:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s2 +<a name="L284"></a><span id="L284" class="LineNr"> 284 </span><span class="Constant"> +buffer-filled</span> +<a name="L285"></a><span id="L285" class="LineNr"> 285 </span> c:char <span class="Special"><-</span> copy <span class="Constant">100/d</span> +<a name="L286"></a><span id="L286" class="LineNr"> 286 </span> x <span class="Special"><-</span> append x, c +<a name="L287"></a><span id="L287" class="LineNr"> 287 </span> s3:text <span class="Special"><-</span> get *x, <span class="Constant">data:offset</span> +<a name="L288"></a><span id="L288" class="LineNr"> 288 </span> 20:bool/<span class="Special">raw</span> <span class="Special"><-</span> equal s1, s3 +<a name="L289"></a><span id="L289" class="LineNr"> 289 </span> 21:num/<span class="Special">raw</span> <span class="Special"><-</span> get *x, <span class="Constant">length:offset</span> +<a name="L290"></a><span id="L290" class="LineNr"> 290 </span> 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s3 +<a name="L291"></a><span id="L291" class="LineNr"> 291 </span> ] +<a name="L292"></a><span id="L292" class="LineNr"> 292 </span> memory-should-contain [ +<a name="L293"></a><span id="L293" class="LineNr"> 293 </span> <span class="Comment"># before +buffer-filled</span> +<a name="L294"></a><span id="L294" class="LineNr"> 294 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># no change in data pointer after original append</span> +<a name="L295"></a><span id="L295" class="LineNr"> 295 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># size of data</span> +<a name="L296"></a><span id="L296" class="LineNr"> 296 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># data</span> +<a name="L297"></a><span id="L297" class="LineNr"> 297 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 98</span> +<a name="L298"></a><span id="L298" class="LineNr"> 298 </span> <span class="Constant"> 14</span> <span class="Special"><-</span><span class="Constant"> 99</span> +<a name="L299"></a><span id="L299" class="LineNr"> 299 </span> <span class="Comment"># in the end</span> +<a name="L300"></a><span id="L300" class="LineNr"> 300 </span> <span class="Constant"> 20</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># data pointer has grown after second append</span> +<a name="L301"></a><span id="L301" class="LineNr"> 301 </span> <span class="Constant"> 21</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># final length</span> +<a name="L302"></a><span id="L302" class="LineNr"> 302 </span> <span class="Constant"> 30</span> <span class="Special"><-</span><span class="Constant"> 6</span> <span class="Comment"># but data's capacity has doubled</span> +<a name="L303"></a><span id="L303" class="LineNr"> 303 </span> <span class="Constant"> 31</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># data</span> +<a name="L304"></a><span id="L304" class="LineNr"> 304 </span> <span class="Constant"> 32</span> <span class="Special"><-</span><span class="Constant"> 98</span> +<a name="L305"></a><span id="L305" class="LineNr"> 305 </span> <span class="Constant"> 33</span> <span class="Special"><-</span><span class="Constant"> 99</span> +<a name="L306"></a><span id="L306" class="LineNr"> 306 </span> <span class="Constant"> 34</span> <span class="Special"><-</span><span class="Constant"> 100</span> +<a name="L307"></a><span id="L307" class="LineNr"> 307 </span> <span class="Constant"> 35</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L308"></a><span id="L308" class="LineNr"> 308 </span> <span class="Constant"> 36</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L309"></a><span id="L309" class="LineNr"> 309 </span> ] +<a name="L310"></a><span id="L310" class="LineNr"> 310 </span>] +<a name="L311"></a><span id="L311" class="LineNr"> 311 </span> +<a name="L312"></a><span id="L312" class="LineNr"> 312 </span><span class="muScenario">scenario</span> buffer-append-handles-backspace [ +<a name="L313"></a><span id="L313" class="LineNr"> 313 </span> <span class="Constant">local-scope</span> +<a name="L314"></a><span id="L314" class="LineNr"> 314 </span> x:&:buffer <span class="Special"><-</span> new-buffer +<a name="L315"></a><span id="L315" class="LineNr"> 315 </span> x <span class="Special"><-</span> append x, <span class="Constant">[ab]</span> +<a name="L316"></a><span id="L316" class="LineNr"> 316 </span> run [ +<a name="L317"></a><span id="L317" class="LineNr"> 317 </span> c:char <span class="Special"><-</span> copy <span class="Constant">8/backspace</span> +<a name="L318"></a><span id="L318" class="LineNr"> 318 </span> x <span class="Special"><-</span> append x, c +<a name="L319"></a><span id="L319" class="LineNr"> 319 </span> s:text <span class="Special"><-</span> buffer-to-array x +<a name="L320"></a><span id="L320" class="LineNr"> 320 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *s +<a name="L321"></a><span id="L321" class="LineNr"> 321 </span> ] +<a name="L322"></a><span id="L322" class="LineNr"> 322 </span> memory-should-contain [ +<a name="L323"></a><span id="L323" class="LineNr"> 323 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># length</span> +<a name="L324"></a><span id="L324" class="LineNr"> 324 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 97</span> <span class="Comment"># contents</span> +<a name="L325"></a><span id="L325" class="LineNr"> 325 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L326"></a><span id="L326" class="LineNr"> 326 </span> ] +<a name="L327"></a><span id="L327" class="LineNr"> 327 </span>] +<a name="L328"></a><span id="L328" class="LineNr"> 328 </span> +<a name="L329"></a><span id="L329" class="LineNr"> 329 </span><span class="muRecipe">def</span> buffer-to-array in:&:buffer<span class="muRecipe"> -> </span>result:text [ +<a name="L330"></a><span id="L330" class="LineNr"> 330 </span> <span class="Constant">local-scope</span> +<a name="L331"></a><span id="L331" class="LineNr"> 331 </span> <span class="Constant">load-ingredients</span> +<a name="L332"></a><span id="L332" class="LineNr"> 332 </span> <span class="Delimiter">{</span> +<a name="L333"></a><span id="L333" class="LineNr"> 333 </span> <span class="Comment"># propagate null buffer</span> +<a name="L334"></a><span id="L334" class="LineNr"> 334 </span> <span class="muControl">break-if</span> in +<a name="L335"></a><span id="L335" class="LineNr"> 335 </span> <span class="muControl">return</span><span class="Constant"> 0</span> +<a name="L336"></a><span id="L336" class="LineNr"> 336 </span> <span class="Delimiter">}</span> +<a name="L337"></a><span id="L337" class="LineNr"> 337 </span> len:num <span class="Special"><-</span> get *in, <span class="Constant">length:offset</span> +<a name="L338"></a><span id="L338" class="LineNr"> 338 </span> s:text <span class="Special"><-</span> get *in, <span class="Constant">data:offset</span> +<a name="L339"></a><span id="L339" class="LineNr"> 339 </span> <span class="Comment"># we can't just return s because it is usually the wrong length</span> +<a name="L340"></a><span id="L340" class="LineNr"> 340 </span> result <span class="Special"><-</span> new <span class="Constant">character:type</span>, len +<a name="L341"></a><span id="L341" class="LineNr"> 341 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L342"></a><span id="L342" class="LineNr"> 342 </span> <span class="Delimiter">{</span> +<a name="L343"></a><span id="L343" class="LineNr"> 343 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<a name="L344"></a><span id="L344" class="LineNr"> 344 </span> <span class="muControl">break-if</span> done? +<a name="L345"></a><span id="L345" class="LineNr"> 345 </span> src:char <span class="Special"><-</span> index *s, i +<a name="L346"></a><span id="L346" class="LineNr"> 346 </span> *result <span class="Special"><-</span> put-index *result, i, src +<a name="L347"></a><span id="L347" class="LineNr"> 347 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L348"></a><span id="L348" class="LineNr"> 348 </span> <span class="muControl">loop</span> +<a name="L349"></a><span id="L349" class="LineNr"> 349 </span> <span class="Delimiter">}</span> +<a name="L350"></a><span id="L350" class="LineNr"> 350 </span>] +<a name="L351"></a><span id="L351" class="LineNr"> 351 </span> +<a name="L352"></a><span id="L352" class="LineNr"> 352 </span><span class="Comment"># Append any number of texts together.</span> +<a name="L353"></a><span id="L353" class="LineNr"> 353 </span><span class="Comment"># A later layer also translates calls to this to implicitly call to-text, so</span> +<a name="L354"></a><span id="L354" class="LineNr"> 354 </span><span class="Comment"># append to string becomes effectively dynamically typed.</span> +<a name="L355"></a><span id="L355" class="LineNr"> 355 </span><span class="Comment">#</span> +<a name="L356"></a><span id="L356" class="LineNr"> 356 </span><span class="Comment"># Beware though: this hack restricts how much 'append' can be overridden. Any</span> +<a name="L357"></a><span id="L357" class="LineNr"> 357 </span><span class="Comment"># new variants that match:</span> +<a name="L358"></a><span id="L358" class="LineNr"> 358 </span><span class="Comment"># append _:text, ___</span> +<a name="L359"></a><span id="L359" class="LineNr"> 359 </span><span class="Comment"># will never ever get used.</span> +<a name="L360"></a><span id="L360" class="LineNr"> 360 </span><span class="muRecipe">def</span> append first:text<span class="muRecipe"> -> </span>result:text [ +<a name="L361"></a><span id="L361" class="LineNr"> 361 </span> <span class="Constant">local-scope</span> +<a name="L362"></a><span id="L362" class="LineNr"> 362 </span> <span class="Constant">load-ingredients</span> +<a name="L363"></a><span id="L363" class="LineNr"> 363 </span> buf:&:buffer <span class="Special"><-</span> new-buffer<span class="Constant"> 30</span> +<a name="L364"></a><span id="L364" class="LineNr"> 364 </span> <span class="Comment"># append first ingredient</span> +<a name="L365"></a><span id="L365" class="LineNr"> 365 </span> <span class="Delimiter">{</span> +<a name="L366"></a><span id="L366" class="LineNr"> 366 </span> <span class="muControl">break-unless</span> first +<a name="L367"></a><span id="L367" class="LineNr"> 367 </span> buf <span class="Special"><-</span> append buf, first +<a name="L368"></a><span id="L368" class="LineNr"> 368 </span> <span class="Delimiter">}</span> +<a name="L369"></a><span id="L369" class="LineNr"> 369 </span> <span class="Comment"># append remaining ingredients</span> +<a name="L370"></a><span id="L370" class="LineNr"> 370 </span> <span class="Delimiter">{</span> +<a name="L371"></a><span id="L371" class="LineNr"> 371 </span> arg:text, arg-found?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> +<a name="L372"></a><span id="L372" class="LineNr"> 372 </span> <span class="muControl">break-unless</span> arg-found? +<a name="L373"></a><span id="L373" class="LineNr"> 373 </span> <span class="muControl">loop-unless</span> arg +<a name="L374"></a><span id="L374" class="LineNr"> 374 </span> buf <span class="Special"><-</span> append buf, arg +<a name="L375"></a><span id="L375" class="LineNr"> 375 </span> <span class="muControl">loop</span> +<a name="L376"></a><span id="L376" class="LineNr"> 376 </span> <span class="Delimiter">}</span> +<a name="L377"></a><span id="L377" class="LineNr"> 377 </span> result <span class="Special"><-</span> buffer-to-array buf +<a name="L378"></a><span id="L378" class="LineNr"> 378 </span>] +<a name="L379"></a><span id="L379" class="LineNr"> 379 </span> +<a name="L380"></a><span id="L380" class="LineNr"> 380 </span><span class="muScenario">scenario</span> text-append-1 [ +<a name="L381"></a><span id="L381" class="LineNr"> 381 </span> <span class="Constant">local-scope</span> +<a name="L382"></a><span id="L382" class="LineNr"> 382 </span> x:text <span class="Special"><-</span> new <span class="Constant">[hello,]</span> +<a name="L383"></a><span id="L383" class="LineNr"> 383 </span> y:text <span class="Special"><-</span> new <span class="Constant">[ world!]</span> +<a name="L384"></a><span id="L384" class="LineNr"> 384 </span> run [ +<a name="L385"></a><span id="L385" class="LineNr"> 385 </span> z:text <span class="Special"><-</span> append x, y +<a name="L386"></a><span id="L386" class="LineNr"> 386 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L387"></a><span id="L387" class="LineNr"> 387 </span> ] +<a name="L388"></a><span id="L388" class="LineNr"> 388 </span> memory-should-contain [ +<a name="L389"></a><span id="L389" class="LineNr"> 389 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[hello, world!]</span> +<a name="L390"></a><span id="L390" class="LineNr"> 390 </span> ] +<a name="L391"></a><span id="L391" class="LineNr"> 391 </span>] +<a name="L392"></a><span id="L392" class="LineNr"> 392 </span> +<a name="L393"></a><span id="L393" class="LineNr"> 393 </span><span class="muScenario">scenario</span> text-append-null [ +<a name="L394"></a><span id="L394" class="LineNr"> 394 </span> <span class="Constant">local-scope</span> +<a name="L395"></a><span id="L395" class="LineNr"> 395 </span> x:text <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L396"></a><span id="L396" class="LineNr"> 396 </span> y:text <span class="Special"><-</span> new <span class="Constant">[ world!]</span> +<a name="L397"></a><span id="L397" class="LineNr"> 397 </span> run [ +<a name="L398"></a><span id="L398" class="LineNr"> 398 </span> z:text <span class="Special"><-</span> append x, y +<a name="L399"></a><span id="L399" class="LineNr"> 399 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L400"></a><span id="L400" class="LineNr"> 400 </span> ] +<a name="L401"></a><span id="L401" class="LineNr"> 401 </span> memory-should-contain [ +<a name="L402"></a><span id="L402" class="LineNr"> 402 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[ world!]</span> +<a name="L403"></a><span id="L403" class="LineNr"> 403 </span> ] +<a name="L404"></a><span id="L404" class="LineNr"> 404 </span>] +<a name="L405"></a><span id="L405" class="LineNr"> 405 </span> +<a name="L406"></a><span id="L406" class="LineNr"> 406 </span><span class="muScenario">scenario</span> text-append-null-2 [ +<a name="L407"></a><span id="L407" class="LineNr"> 407 </span> <span class="Constant">local-scope</span> +<a name="L408"></a><span id="L408" class="LineNr"> 408 </span> x:text <span class="Special"><-</span> new <span class="Constant">[hello,]</span> +<a name="L409"></a><span id="L409" class="LineNr"> 409 </span> y:text <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L410"></a><span id="L410" class="LineNr"> 410 </span> run [ +<a name="L411"></a><span id="L411" class="LineNr"> 411 </span> z:text <span class="Special"><-</span> append x, y +<a name="L412"></a><span id="L412" class="LineNr"> 412 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L413"></a><span id="L413" class="LineNr"> 413 </span> ] +<a name="L414"></a><span id="L414" class="LineNr"> 414 </span> memory-should-contain [ +<a name="L415"></a><span id="L415" class="LineNr"> 415 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[hello,]</span> +<a name="L416"></a><span id="L416" class="LineNr"> 416 </span> ] +<a name="L417"></a><span id="L417" class="LineNr"> 417 </span>] +<a name="L418"></a><span id="L418" class="LineNr"> 418 </span> +<a name="L419"></a><span id="L419" class="LineNr"> 419 </span><span class="muScenario">scenario</span> text-append-multiary [ +<a name="L420"></a><span id="L420" class="LineNr"> 420 </span> <span class="Constant">local-scope</span> +<a name="L421"></a><span id="L421" class="LineNr"> 421 </span> x:text <span class="Special"><-</span> new <span class="Constant">[hello, ]</span> +<a name="L422"></a><span id="L422" class="LineNr"> 422 </span> y:text <span class="Special"><-</span> new <span class="Constant">[world]</span> +<a name="L423"></a><span id="L423" class="LineNr"> 423 </span> z:text <span class="Special"><-</span> new <span class="Constant">[!]</span> +<a name="L424"></a><span id="L424" class="LineNr"> 424 </span> run [ +<a name="L425"></a><span id="L425" class="LineNr"> 425 </span> z:text <span class="Special"><-</span> append x, y, z +<a name="L426"></a><span id="L426" class="LineNr"> 426 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L427"></a><span id="L427" class="LineNr"> 427 </span> ] +<a name="L428"></a><span id="L428" class="LineNr"> 428 </span> memory-should-contain [ +<a name="L429"></a><span id="L429" class="LineNr"> 429 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[hello, world!]</span> +<a name="L430"></a><span id="L430" class="LineNr"> 430 </span> ] +<a name="L431"></a><span id="L431" class="LineNr"> 431 </span>] +<a name="L432"></a><span id="L432" class="LineNr"> 432 </span> +<a name="L433"></a><span id="L433" class="LineNr"> 433 </span><span class="muScenario">scenario</span> replace-character-in-text [ +<a name="L434"></a><span id="L434" class="LineNr"> 434 </span> <span class="Constant">local-scope</span> +<a name="L435"></a><span id="L435" class="LineNr"> 435 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L436"></a><span id="L436" class="LineNr"> 436 </span> run [ +<a name="L437"></a><span id="L437" class="LineNr"> 437 </span> x <span class="Special"><-</span> replace x, <span class="Constant">98/b</span>, <span class="Constant">122/z</span> +<a name="L438"></a><span id="L438" class="LineNr"> 438 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x +<a name="L439"></a><span id="L439" class="LineNr"> 439 </span> ] +<a name="L440"></a><span id="L440" class="LineNr"> 440 </span> memory-should-contain [ +<a name="L441"></a><span id="L441" class="LineNr"> 441 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[azc]</span> +<a name="L442"></a><span id="L442" class="LineNr"> 442 </span> ] +<a name="L443"></a><span id="L443" class="LineNr"> 443 </span>] +<a name="L444"></a><span id="L444" class="LineNr"> 444 </span> +<a name="L445"></a><span id="L445" class="LineNr"> 445 </span><span class="muRecipe">def</span> replace s:text, oldc:char, newc:char, from:num/optional<span class="muRecipe"> -> </span>s:text [ +<a name="L446"></a><span id="L446" class="LineNr"> 446 </span> <span class="Constant">local-scope</span> +<a name="L447"></a><span id="L447" class="LineNr"> 447 </span> <span class="Constant">load-ingredients</span> +<a name="L448"></a><span id="L448" class="LineNr"> 448 </span> len:num <span class="Special"><-</span> length *s +<a name="L449"></a><span id="L449" class="LineNr"> 449 </span> i:num <span class="Special"><-</span> find-next s, oldc, from +<a name="L450"></a><span id="L450" class="LineNr"> 450 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<a name="L451"></a><span id="L451" class="LineNr"> 451 </span> <span class="muControl">return-if</span> done? +<a name="L452"></a><span id="L452" class="LineNr"> 452 </span> *s <span class="Special"><-</span> put-index *s, i, newc +<a name="L453"></a><span id="L453" class="LineNr"> 453 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L454"></a><span id="L454" class="LineNr"> 454 </span> s <span class="Special"><-</span> replace s, oldc, newc, i +<a name="L455"></a><span id="L455" class="LineNr"> 455 </span>] +<a name="L456"></a><span id="L456" class="LineNr"> 456 </span> +<a name="L457"></a><span id="L457" class="LineNr"> 457 </span><span class="muScenario">scenario</span> replace-character-at-start [ +<a name="L458"></a><span id="L458" class="LineNr"> 458 </span> <span class="Constant">local-scope</span> +<a name="L459"></a><span id="L459" class="LineNr"> 459 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L460"></a><span id="L460" class="LineNr"> 460 </span> run [ +<a name="L461"></a><span id="L461" class="LineNr"> 461 </span> x <span class="Special"><-</span> replace x, <span class="Constant">97/a</span>, <span class="Constant">122/z</span> +<a name="L462"></a><span id="L462" class="LineNr"> 462 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x +<a name="L463"></a><span id="L463" class="LineNr"> 463 </span> ] +<a name="L464"></a><span id="L464" class="LineNr"> 464 </span> memory-should-contain [ +<a name="L465"></a><span id="L465" class="LineNr"> 465 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[zbc]</span> +<a name="L466"></a><span id="L466" class="LineNr"> 466 </span> ] +<a name="L467"></a><span id="L467" class="LineNr"> 467 </span>] +<a name="L468"></a><span id="L468" class="LineNr"> 468 </span> +<a name="L469"></a><span id="L469" class="LineNr"> 469 </span><span class="muScenario">scenario</span> replace-character-at-end [ +<a name="L470"></a><span id="L470" class="LineNr"> 470 </span> <span class="Constant">local-scope</span> +<a name="L471"></a><span id="L471" class="LineNr"> 471 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L472"></a><span id="L472" class="LineNr"> 472 </span> run [ +<a name="L473"></a><span id="L473" class="LineNr"> 473 </span> x <span class="Special"><-</span> replace x, <span class="Constant">99/c</span>, <span class="Constant">122/z</span> +<a name="L474"></a><span id="L474" class="LineNr"> 474 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x +<a name="L475"></a><span id="L475" class="LineNr"> 475 </span> ] +<a name="L476"></a><span id="L476" class="LineNr"> 476 </span> memory-should-contain [ +<a name="L477"></a><span id="L477" class="LineNr"> 477 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[abz]</span> +<a name="L478"></a><span id="L478" class="LineNr"> 478 </span> ] +<a name="L479"></a><span id="L479" class="LineNr"> 479 </span>] +<a name="L480"></a><span id="L480" class="LineNr"> 480 </span> +<a name="L481"></a><span id="L481" class="LineNr"> 481 </span><span class="muScenario">scenario</span> replace-character-missing [ +<a name="L482"></a><span id="L482" class="LineNr"> 482 </span> <span class="Constant">local-scope</span> +<a name="L483"></a><span id="L483" class="LineNr"> 483 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L484"></a><span id="L484" class="LineNr"> 484 </span> run [ +<a name="L485"></a><span id="L485" class="LineNr"> 485 </span> x <span class="Special"><-</span> replace x, <span class="Constant">100/d</span>, <span class="Constant">122/z</span> +<a name="L486"></a><span id="L486" class="LineNr"> 486 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x +<a name="L487"></a><span id="L487" class="LineNr"> 487 </span> ] +<a name="L488"></a><span id="L488" class="LineNr"> 488 </span> memory-should-contain [ +<a name="L489"></a><span id="L489" class="LineNr"> 489 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> +<a name="L490"></a><span id="L490" class="LineNr"> 490 </span> ] +<a name="L491"></a><span id="L491" class="LineNr"> 491 </span>] +<a name="L492"></a><span id="L492" class="LineNr"> 492 </span> +<a name="L493"></a><span id="L493" class="LineNr"> 493 </span><span class="muScenario">scenario</span> replace-all-characters [ +<a name="L494"></a><span id="L494" class="LineNr"> 494 </span> <span class="Constant">local-scope</span> +<a name="L495"></a><span id="L495" class="LineNr"> 495 </span> x:text <span class="Special"><-</span> new <span class="Constant">[banana]</span> +<a name="L496"></a><span id="L496" class="LineNr"> 496 </span> run [ +<a name="L497"></a><span id="L497" class="LineNr"> 497 </span> x <span class="Special"><-</span> replace x, <span class="Constant">97/a</span>, <span class="Constant">122/z</span> +<a name="L498"></a><span id="L498" class="LineNr"> 498 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *x +<a name="L499"></a><span id="L499" class="LineNr"> 499 </span> ] +<a name="L500"></a><span id="L500" class="LineNr"> 500 </span> memory-should-contain [ +<a name="L501"></a><span id="L501" class="LineNr"> 501 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[bznznz]</span> +<a name="L502"></a><span id="L502" class="LineNr"> 502 </span> ] +<a name="L503"></a><span id="L503" class="LineNr"> 503 </span>] +<a name="L504"></a><span id="L504" class="LineNr"> 504 </span> +<a name="L505"></a><span id="L505" class="LineNr"> 505 </span><span class="Comment"># replace underscores in first with remaining args</span> +<a name="L506"></a><span id="L506" class="LineNr"> 506 </span><span class="muRecipe">def</span> interpolate template:text<span class="muRecipe"> -> </span>result:text [ +<a name="L507"></a><span id="L507" class="LineNr"> 507 </span> <span class="Constant">local-scope</span> +<a name="L508"></a><span id="L508" class="LineNr"> 508 </span> <span class="Constant">load-ingredients</span> <span class="Comment"># consume just the template</span> +<a name="L509"></a><span id="L509" class="LineNr"> 509 </span> <span class="Comment"># compute result-len, space to allocate for result</span> +<a name="L510"></a><span id="L510" class="LineNr"> 510 </span> tem-len:num <span class="Special"><-</span> length *template +<a name="L511"></a><span id="L511" class="LineNr"> 511 </span> result-len:num <span class="Special"><-</span> copy tem-len +<a name="L512"></a><span id="L512" class="LineNr"> 512 </span> <span class="Delimiter">{</span> +<a name="L513"></a><span id="L513" class="LineNr"> 513 </span> <span class="Comment"># while ingredients remain</span> +<a name="L514"></a><span id="L514" class="LineNr"> 514 </span> a:text, arg-received?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> +<a name="L515"></a><span id="L515" class="LineNr"> 515 </span> <span class="muControl">break-unless</span> arg-received? +<a name="L516"></a><span id="L516" class="LineNr"> 516 </span> <span class="Comment"># result-len = result-len + arg.length - 1 (for the 'underscore' being replaced)</span> +<a name="L517"></a><span id="L517" class="LineNr"> 517 </span> a-len:num <span class="Special"><-</span> length *a +<a name="L518"></a><span id="L518" class="LineNr"> 518 </span> result-len <span class="Special"><-</span> add result-len, a-len +<a name="L519"></a><span id="L519" class="LineNr"> 519 </span> result-len <span class="Special"><-</span> subtract result-len,<span class="Constant"> 1</span> +<a name="L520"></a><span id="L520" class="LineNr"> 520 </span> <span class="muControl">loop</span> +<a name="L521"></a><span id="L521" class="LineNr"> 521 </span> <span class="Delimiter">}</span> +<a name="L522"></a><span id="L522" class="LineNr"> 522 </span> <span class="Constant">rewind-ingredients</span> +<a name="L523"></a><span id="L523" class="LineNr"> 523 </span> _ <span class="Special"><-</span> <span class="Constant">next-ingredient</span> <span class="Comment"># skip template</span> +<a name="L524"></a><span id="L524" class="LineNr"> 524 </span> result <span class="Special"><-</span> new <span class="Constant">character:type</span>, result-len +<a name="L525"></a><span id="L525" class="LineNr"> 525 </span> <span class="Comment"># repeatedly copy sections of template and 'holes' into result</span> +<a name="L526"></a><span id="L526" class="LineNr"> 526 </span> result-idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L527"></a><span id="L527" class="LineNr"> 527 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L528"></a><span id="L528" class="LineNr"> 528 </span> <span class="Delimiter">{</span> +<a name="L529"></a><span id="L529" class="LineNr"> 529 </span> <span class="Comment"># while arg received</span> +<a name="L530"></a><span id="L530" class="LineNr"> 530 </span> a:text, arg-received?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> +<a name="L531"></a><span id="L531" class="LineNr"> 531 </span> <span class="muControl">break-unless</span> arg-received? +<a name="L532"></a><span id="L532" class="LineNr"> 532 </span> <span class="Comment"># copy template into result until '_'</span> +<a name="L533"></a><span id="L533" class="LineNr"> 533 </span> <span class="Delimiter">{</span> +<a name="L534"></a><span id="L534" class="LineNr"> 534 </span> <span class="Comment"># while i < template.length</span> +<a name="L535"></a><span id="L535" class="LineNr"> 535 </span> tem-done?:bool <span class="Special"><-</span> greater-or-equal i, tem-len +<a name="L536"></a><span id="L536" class="LineNr"> 536 </span> <span class="muControl">break-if</span> tem-done?, <span class="Constant">+done</span> +<a name="L537"></a><span id="L537" class="LineNr"> 537 </span> <span class="Comment"># while template[i] != '_'</span> +<a name="L538"></a><span id="L538" class="LineNr"> 538 </span> in:char <span class="Special"><-</span> index *template, i +<a name="L539"></a><span id="L539" class="LineNr"> 539 </span> underscore?:bool <span class="Special"><-</span> equal in, <span class="Constant">95/_</span> +<a name="L540"></a><span id="L540" class="LineNr"> 540 </span> <span class="muControl">break-if</span> underscore? +<a name="L541"></a><span id="L541" class="LineNr"> 541 </span> <span class="Comment"># result[result-idx] = template[i]</span> +<a name="L542"></a><span id="L542" class="LineNr"> 542 </span> *result <span class="Special"><-</span> put-index *result, result-idx, in +<a name="L543"></a><span id="L543" class="LineNr"> 543 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L544"></a><span id="L544" class="LineNr"> 544 </span> result-idx <span class="Special"><-</span> add result-idx,<span class="Constant"> 1</span> +<a name="L545"></a><span id="L545" class="LineNr"> 545 </span> <span class="muControl">loop</span> +<a name="L546"></a><span id="L546" class="LineNr"> 546 </span> <span class="Delimiter">}</span> +<a name="L547"></a><span id="L547" class="LineNr"> 547 </span> <span class="Comment"># copy 'a' into result</span> +<a name="L548"></a><span id="L548" class="LineNr"> 548 </span> j:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L549"></a><span id="L549" class="LineNr"> 549 </span> <span class="Delimiter">{</span> +<a name="L550"></a><span id="L550" class="LineNr"> 550 </span> <span class="Comment"># while j < a.length</span> +<a name="L551"></a><span id="L551" class="LineNr"> 551 </span> arg-done?:bool <span class="Special"><-</span> greater-or-equal j, a-len +<a name="L552"></a><span id="L552" class="LineNr"> 552 </span> <span class="muControl">break-if</span> arg-done? +<a name="L553"></a><span id="L553" class="LineNr"> 553 </span> <span class="Comment"># result[result-idx] = a[j]</span> +<a name="L554"></a><span id="L554" class="LineNr"> 554 </span> in:char <span class="Special"><-</span> index *a, j +<a name="L555"></a><span id="L555" class="LineNr"> 555 </span> *result <span class="Special"><-</span> put-index *result, result-idx, in +<a name="L556"></a><span id="L556" class="LineNr"> 556 </span> j <span class="Special"><-</span> add j,<span class="Constant"> 1</span> +<a name="L557"></a><span id="L557" class="LineNr"> 557 </span> result-idx <span class="Special"><-</span> add result-idx,<span class="Constant"> 1</span> +<a name="L558"></a><span id="L558" class="LineNr"> 558 </span> <span class="muControl">loop</span> +<a name="L559"></a><span id="L559" class="LineNr"> 559 </span> <span class="Delimiter">}</span> +<a name="L560"></a><span id="L560" class="LineNr"> 560 </span> <span class="Comment"># skip '_' in template</span> +<a name="L561"></a><span id="L561" class="LineNr"> 561 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L562"></a><span id="L562" class="LineNr"> 562 </span> <span class="muControl">loop</span> <span class="Comment"># interpolate next arg</span> +<a name="L563"></a><span id="L563" class="LineNr"> 563 </span> <span class="Delimiter">}</span> +<a name="L564"></a><span id="L564" class="LineNr"> 564 </span><span class="Constant"> +done</span> +<a name="L565"></a><span id="L565" class="LineNr"> 565 </span> <span class="Comment"># done with holes; copy rest of template directly into result</span> +<a name="L566"></a><span id="L566" class="LineNr"> 566 </span> <span class="Delimiter">{</span> +<a name="L567"></a><span id="L567" class="LineNr"> 567 </span> <span class="Comment"># while i < template.length</span> +<a name="L568"></a><span id="L568" class="LineNr"> 568 </span> tem-done?:bool <span class="Special"><-</span> greater-or-equal i, tem-len +<a name="L569"></a><span id="L569" class="LineNr"> 569 </span> <span class="muControl">break-if</span> tem-done? +<a name="L570"></a><span id="L570" class="LineNr"> 570 </span> <span class="Comment"># result[result-idx] = template[i]</span> +<a name="L571"></a><span id="L571" class="LineNr"> 571 </span> in:char <span class="Special"><-</span> index *template, i +<a name="L572"></a><span id="L572" class="LineNr"> 572 </span> *result <span class="Special"><-</span> put-index *result, result-idx, in +<a name="L573"></a><span id="L573" class="LineNr"> 573 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L574"></a><span id="L574" class="LineNr"> 574 </span> result-idx <span class="Special"><-</span> add result-idx,<span class="Constant"> 1</span> +<a name="L575"></a><span id="L575" class="LineNr"> 575 </span> <span class="muControl">loop</span> +<a name="L576"></a><span id="L576" class="LineNr"> 576 </span> <span class="Delimiter">}</span> +<a name="L577"></a><span id="L577" class="LineNr"> 577 </span>] +<a name="L578"></a><span id="L578" class="LineNr"> 578 </span> +<a name="L579"></a><span id="L579" class="LineNr"> 579 </span><span class="muScenario">scenario</span> interpolate-works [ +<a name="L580"></a><span id="L580" class="LineNr"> 580 </span> <span class="Constant">local-scope</span> +<a name="L581"></a><span id="L581" class="LineNr"> 581 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc_ghi]</span> +<a name="L582"></a><span id="L582" class="LineNr"> 582 </span> y:text <span class="Special"><-</span> new <span class="Constant">[def]</span> +<a name="L583"></a><span id="L583" class="LineNr"> 583 </span> run [ +<a name="L584"></a><span id="L584" class="LineNr"> 584 </span> z:text <span class="Special"><-</span> interpolate x, y +<a name="L585"></a><span id="L585" class="LineNr"> 585 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L586"></a><span id="L586" class="LineNr"> 586 </span> ] +<a name="L587"></a><span id="L587" class="LineNr"> 587 </span> memory-should-contain [ +<a name="L588"></a><span id="L588" class="LineNr"> 588 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[abcdefghi]</span> +<a name="L589"></a><span id="L589" class="LineNr"> 589 </span> ] +<a name="L590"></a><span id="L590" class="LineNr"> 590 </span>] +<a name="L591"></a><span id="L591" class="LineNr"> 591 </span> +<a name="L592"></a><span id="L592" class="LineNr"> 592 </span><span class="muScenario">scenario</span> interpolate-at-start [ +<a name="L593"></a><span id="L593" class="LineNr"> 593 </span> <span class="Constant">local-scope</span> +<a name="L594"></a><span id="L594" class="LineNr"> 594 </span> x:text <span class="Special"><-</span> new <span class="Constant">[_, hello!]</span> +<a name="L595"></a><span id="L595" class="LineNr"> 595 </span> y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L596"></a><span id="L596" class="LineNr"> 596 </span> run [ +<a name="L597"></a><span id="L597" class="LineNr"> 597 </span> z:text <span class="Special"><-</span> interpolate x, y +<a name="L598"></a><span id="L598" class="LineNr"> 598 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L599"></a><span id="L599" class="LineNr"> 599 </span> ] +<a name="L600"></a><span id="L600" class="LineNr"> 600 </span> memory-should-contain [ +<a name="L601"></a><span id="L601" class="LineNr"> 601 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[abc, hello!]</span> +<a name="L602"></a><span id="L602" class="LineNr"> 602 </span> <span class="Constant"> 22</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># out of bounds</span> +<a name="L603"></a><span id="L603" class="LineNr"> 603 </span> ] +<a name="L604"></a><span id="L604" class="LineNr"> 604 </span>] +<a name="L605"></a><span id="L605" class="LineNr"> 605 </span> +<a name="L606"></a><span id="L606" class="LineNr"> 606 </span><span class="muScenario">scenario</span> interpolate-at-end [ +<a name="L607"></a><span id="L607" class="LineNr"> 607 </span> <span class="Constant">local-scope</span> +<a name="L608"></a><span id="L608" class="LineNr"> 608 </span> x:text <span class="Special"><-</span> new <span class="Constant">[hello, _]</span> +<a name="L609"></a><span id="L609" class="LineNr"> 609 </span> y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L610"></a><span id="L610" class="LineNr"> 610 </span> run [ +<a name="L611"></a><span id="L611" class="LineNr"> 611 </span> z:text <span class="Special"><-</span> interpolate x, y +<a name="L612"></a><span id="L612" class="LineNr"> 612 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L613"></a><span id="L613" class="LineNr"> 613 </span> ] +<a name="L614"></a><span id="L614" class="LineNr"> 614 </span> memory-should-contain [ +<a name="L615"></a><span id="L615" class="LineNr"> 615 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[hello, abc]</span> +<a name="L616"></a><span id="L616" class="LineNr"> 616 </span> ] +<a name="L617"></a><span id="L617" class="LineNr"> 617 </span>] +<a name="L618"></a><span id="L618" class="LineNr"> 618 </span> +<a name="L619"></a><span id="L619" class="LineNr"> 619 </span><span class="Comment"># result:bool <- space? c:char</span> +<a name="L620"></a><span id="L620" class="LineNr"> 620 </span><span class="muRecipe">def</span> space? c:char<span class="muRecipe"> -> </span>result:bool [ +<a name="L621"></a><span id="L621" class="LineNr"> 621 </span> <span class="Constant">local-scope</span> +<a name="L622"></a><span id="L622" class="LineNr"> 622 </span> <span class="Constant">load-ingredients</span> +<a name="L623"></a><span id="L623" class="LineNr"> 623 </span> <span class="Comment"># most common case first</span> +<a name="L624"></a><span id="L624" class="LineNr"> 624 </span> result <span class="Special"><-</span> equal c, <span class="Constant">32/space</span> +<a name="L625"></a><span id="L625" class="LineNr"> 625 </span> <span class="muControl">return-if</span> result +<a name="L626"></a><span id="L626" class="LineNr"> 626 </span> result <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<a name="L627"></a><span id="L627" class="LineNr"> 627 </span> <span class="muControl">return-if</span> result +<a name="L628"></a><span id="L628" class="LineNr"> 628 </span> result <span class="Special"><-</span> equal c, <span class="Constant">9/tab</span> +<a name="L629"></a><span id="L629" class="LineNr"> 629 </span> <span class="muControl">return-if</span> result +<a name="L630"></a><span id="L630" class="LineNr"> 630 </span> result <span class="Special"><-</span> equal c, <span class="Constant">13/carriage-return</span> +<a name="L631"></a><span id="L631" class="LineNr"> 631 </span> <span class="muControl">return-if</span> result +<a name="L632"></a><span id="L632" class="LineNr"> 632 </span> <span class="Comment"># remaining uncommon cases in sorted order</span> +<a name="L633"></a><span id="L633" class="LineNr"> 633 </span> <span class="Comment"># <a href="http://unicode.org">http://unicode.org</a> code-points in unicode-set Z and Pattern_White_Space</span> +<a name="L634"></a><span id="L634" class="LineNr"> 634 </span> result <span class="Special"><-</span> equal c, <span class="Constant">11/ctrl-k</span> +<a name="L635"></a><span id="L635" class="LineNr"> 635 </span> <span class="muControl">return-if</span> result +<a name="L636"></a><span id="L636" class="LineNr"> 636 </span> result <span class="Special"><-</span> equal c, <span class="Constant">12/ctrl-l</span> +<a name="L637"></a><span id="L637" class="LineNr"> 637 </span> <span class="muControl">return-if</span> result +<a name="L638"></a><span id="L638" class="LineNr"> 638 </span> result <span class="Special"><-</span> equal c, <span class="Constant">133/ctrl-0085</span> +<a name="L639"></a><span id="L639" class="LineNr"> 639 </span> <span class="muControl">return-if</span> result +<a name="L640"></a><span id="L640" class="LineNr"> 640 </span> result <span class="Special"><-</span> equal c, <span class="Constant">160/no-break-space</span> +<a name="L641"></a><span id="L641" class="LineNr"> 641 </span> <span class="muControl">return-if</span> result +<a name="L642"></a><span id="L642" class="LineNr"> 642 </span> result <span class="Special"><-</span> equal c, <span class="Constant">5760/ogham-space-mark</span> +<a name="L643"></a><span id="L643" class="LineNr"> 643 </span> <span class="muControl">return-if</span> result +<a name="L644"></a><span id="L644" class="LineNr"> 644 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8192/en-quad</span> +<a name="L645"></a><span id="L645" class="LineNr"> 645 </span> <span class="muControl">return-if</span> result +<a name="L646"></a><span id="L646" class="LineNr"> 646 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8193/em-quad</span> +<a name="L647"></a><span id="L647" class="LineNr"> 647 </span> <span class="muControl">return-if</span> result +<a name="L648"></a><span id="L648" class="LineNr"> 648 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8194/en-space</span> +<a name="L649"></a><span id="L649" class="LineNr"> 649 </span> <span class="muControl">return-if</span> result +<a name="L650"></a><span id="L650" class="LineNr"> 650 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8195/em-space</span> +<a name="L651"></a><span id="L651" class="LineNr"> 651 </span> <span class="muControl">return-if</span> result +<a name="L652"></a><span id="L652" class="LineNr"> 652 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8196/three-per-em-space</span> +<a name="L653"></a><span id="L653" class="LineNr"> 653 </span> <span class="muControl">return-if</span> result +<a name="L654"></a><span id="L654" class="LineNr"> 654 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8197/four-per-em-space</span> +<a name="L655"></a><span id="L655" class="LineNr"> 655 </span> <span class="muControl">return-if</span> result +<a name="L656"></a><span id="L656" class="LineNr"> 656 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8198/six-per-em-space</span> +<a name="L657"></a><span id="L657" class="LineNr"> 657 </span> <span class="muControl">return-if</span> result +<a name="L658"></a><span id="L658" class="LineNr"> 658 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8199/figure-space</span> +<a name="L659"></a><span id="L659" class="LineNr"> 659 </span> <span class="muControl">return-if</span> result +<a name="L660"></a><span id="L660" class="LineNr"> 660 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8200/punctuation-space</span> +<a name="L661"></a><span id="L661" class="LineNr"> 661 </span> <span class="muControl">return-if</span> result +<a name="L662"></a><span id="L662" class="LineNr"> 662 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8201/thin-space</span> +<a name="L663"></a><span id="L663" class="LineNr"> 663 </span> <span class="muControl">return-if</span> result +<a name="L664"></a><span id="L664" class="LineNr"> 664 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8202/hair-space</span> +<a name="L665"></a><span id="L665" class="LineNr"> 665 </span> <span class="muControl">return-if</span> result +<a name="L666"></a><span id="L666" class="LineNr"> 666 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8206/left-to-right</span> +<a name="L667"></a><span id="L667" class="LineNr"> 667 </span> <span class="muControl">return-if</span> result +<a name="L668"></a><span id="L668" class="LineNr"> 668 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8207/right-to-left</span> +<a name="L669"></a><span id="L669" class="LineNr"> 669 </span> <span class="muControl">return-if</span> result +<a name="L670"></a><span id="L670" class="LineNr"> 670 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8232/line-separator</span> +<a name="L671"></a><span id="L671" class="LineNr"> 671 </span> <span class="muControl">return-if</span> result +<a name="L672"></a><span id="L672" class="LineNr"> 672 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8233/paragraph-separator</span> +<a name="L673"></a><span id="L673" class="LineNr"> 673 </span> <span class="muControl">return-if</span> result +<a name="L674"></a><span id="L674" class="LineNr"> 674 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8239/narrow-no-break-space</span> +<a name="L675"></a><span id="L675" class="LineNr"> 675 </span> <span class="muControl">return-if</span> result +<a name="L676"></a><span id="L676" class="LineNr"> 676 </span> result <span class="Special"><-</span> equal c, <span class="Constant">8287/medium-mathematical-space</span> +<a name="L677"></a><span id="L677" class="LineNr"> 677 </span> <span class="muControl">return-if</span> result +<a name="L678"></a><span id="L678" class="LineNr"> 678 </span> result <span class="Special"><-</span> equal c, <span class="Constant">12288/ideographic-space</span> +<a name="L679"></a><span id="L679" class="LineNr"> 679 </span>] +<a name="L680"></a><span id="L680" class="LineNr"> 680 </span> +<a name="L681"></a><span id="L681" class="LineNr"> 681 </span><span class="muRecipe">def</span> trim s:text<span class="muRecipe"> -> </span>result:text [ +<a name="L682"></a><span id="L682" class="LineNr"> 682 </span> <span class="Constant">local-scope</span> +<a name="L683"></a><span id="L683" class="LineNr"> 683 </span> <span class="Constant">load-ingredients</span> +<a name="L684"></a><span id="L684" class="LineNr"> 684 </span> len:num <span class="Special"><-</span> length *s +<a name="L685"></a><span id="L685" class="LineNr"> 685 </span> <span class="Comment"># left trim: compute start</span> +<a name="L686"></a><span id="L686" class="LineNr"> 686 </span> start:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L687"></a><span id="L687" class="LineNr"> 687 </span> <span class="Delimiter">{</span> +<a name="L688"></a><span id="L688" class="LineNr"> 688 </span> <span class="Delimiter">{</span> +<a name="L689"></a><span id="L689" class="LineNr"> 689 </span> at-end?:bool <span class="Special"><-</span> greater-or-equal start, len +<a name="L690"></a><span id="L690" class="LineNr"> 690 </span> <span class="muControl">break-unless</span> at-end? +<a name="L691"></a><span id="L691" class="LineNr"> 691 </span> result <span class="Special"><-</span> new <span class="Constant">character:type</span>,<span class="Constant"> 0</span> +<a name="L692"></a><span id="L692" class="LineNr"> 692 </span> <span class="muControl">return</span> +<a name="L693"></a><span id="L693" class="LineNr"> 693 </span> <span class="Delimiter">}</span> +<a name="L694"></a><span id="L694" class="LineNr"> 694 </span> curr:char <span class="Special"><-</span> index *s, start +<a name="L695"></a><span id="L695" class="LineNr"> 695 </span> whitespace?:bool <span class="Special"><-</span> space? curr +<a name="L696"></a><span id="L696" class="LineNr"> 696 </span> <span class="muControl">break-unless</span> whitespace? +<a name="L697"></a><span id="L697" class="LineNr"> 697 </span> start <span class="Special"><-</span> add start,<span class="Constant"> 1</span> +<a name="L698"></a><span id="L698" class="LineNr"> 698 </span> <span class="muControl">loop</span> +<a name="L699"></a><span id="L699" class="LineNr"> 699 </span> <span class="Delimiter">}</span> +<a name="L700"></a><span id="L700" class="LineNr"> 700 </span> <span class="Comment"># right trim: compute end</span> +<a name="L701"></a><span id="L701" class="LineNr"> 701 </span> end:num <span class="Special"><-</span> subtract len,<span class="Constant"> 1</span> +<a name="L702"></a><span id="L702" class="LineNr"> 702 </span> <span class="Delimiter">{</span> +<a name="L703"></a><span id="L703" class="LineNr"> 703 </span> not-at-start?:bool <span class="Special"><-</span> greater-than end, start +<a name="L704"></a><span id="L704" class="LineNr"> 704 </span> assert not-at-start?, <span class="Constant">[end ran up against start]</span> +<a name="L705"></a><span id="L705" class="LineNr"> 705 </span> curr:char <span class="Special"><-</span> index *s, end +<a name="L706"></a><span id="L706" class="LineNr"> 706 </span> whitespace?:bool <span class="Special"><-</span> space? curr +<a name="L707"></a><span id="L707" class="LineNr"> 707 </span> <span class="muControl">break-unless</span> whitespace? +<a name="L708"></a><span id="L708" class="LineNr"> 708 </span> end <span class="Special"><-</span> subtract end,<span class="Constant"> 1</span> +<a name="L709"></a><span id="L709" class="LineNr"> 709 </span> <span class="muControl">loop</span> +<a name="L710"></a><span id="L710" class="LineNr"> 710 </span> <span class="Delimiter">}</span> +<a name="L711"></a><span id="L711" class="LineNr"> 711 </span> <span class="Comment"># result = new character[end+1 - start]</span> +<a name="L712"></a><span id="L712" class="LineNr"> 712 </span> new-len:num <span class="Special"><-</span> subtract end, start,<span class="Constant"> -1</span> +<a name="L713"></a><span id="L713" class="LineNr"> 713 </span> result:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, new-len +<a name="L714"></a><span id="L714" class="LineNr"> 714 </span> <span class="Comment"># copy the untrimmed parts between start and end</span> +<a name="L715"></a><span id="L715" class="LineNr"> 715 </span> i:num <span class="Special"><-</span> copy start +<a name="L716"></a><span id="L716" class="LineNr"> 716 </span> j:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L717"></a><span id="L717" class="LineNr"> 717 </span> <span class="Delimiter">{</span> +<a name="L718"></a><span id="L718" class="LineNr"> 718 </span> <span class="Comment"># while i <= end</span> +<a name="L719"></a><span id="L719" class="LineNr"> 719 </span> done?:bool <span class="Special"><-</span> greater-than i, end +<a name="L720"></a><span id="L720" class="LineNr"> 720 </span> <span class="muControl">break-if</span> done? +<a name="L721"></a><span id="L721" class="LineNr"> 721 </span> <span class="Comment"># result[j] = s[i]</span> +<a name="L722"></a><span id="L722" class="LineNr"> 722 </span> src:char <span class="Special"><-</span> index *s, i +<a name="L723"></a><span id="L723" class="LineNr"> 723 </span> *result <span class="Special"><-</span> put-index *result, j, src +<a name="L724"></a><span id="L724" class="LineNr"> 724 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L725"></a><span id="L725" class="LineNr"> 725 </span> j <span class="Special"><-</span> add j,<span class="Constant"> 1</span> +<a name="L726"></a><span id="L726" class="LineNr"> 726 </span> <span class="muControl">loop</span> +<a name="L727"></a><span id="L727" class="LineNr"> 727 </span> <span class="Delimiter">}</span> +<a name="L728"></a><span id="L728" class="LineNr"> 728 </span>] +<a name="L729"></a><span id="L729" class="LineNr"> 729 </span> +<a name="L730"></a><span id="L730" class="LineNr"> 730 </span><span class="muScenario">scenario</span> trim-unmodified [ +<a name="L731"></a><span id="L731" class="LineNr"> 731 </span> <span class="Constant">local-scope</span> +<a name="L732"></a><span id="L732" class="LineNr"> 732 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L733"></a><span id="L733" class="LineNr"> 733 </span> run [ +<a name="L734"></a><span id="L734" class="LineNr"> 734 </span> y:text <span class="Special"><-</span> trim x +<a name="L735"></a><span id="L735" class="LineNr"> 735 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L736"></a><span id="L736" class="LineNr"> 736 </span> ] +<a name="L737"></a><span id="L737" class="LineNr"> 737 </span> memory-should-contain [ +<a name="L738"></a><span id="L738" class="LineNr"> 738 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> +<a name="L739"></a><span id="L739" class="LineNr"> 739 </span> ] +<a name="L740"></a><span id="L740" class="LineNr"> 740 </span>] +<a name="L741"></a><span id="L741" class="LineNr"> 741 </span> +<a name="L742"></a><span id="L742" class="LineNr"> 742 </span><span class="muScenario">scenario</span> trim-left [ +<a name="L743"></a><span id="L743" class="LineNr"> 743 </span> <span class="Constant">local-scope</span> +<a name="L744"></a><span id="L744" class="LineNr"> 744 </span> x:text <span class="Special"><-</span> new <span class="Constant">[ abc]</span> +<a name="L745"></a><span id="L745" class="LineNr"> 745 </span> run [ +<a name="L746"></a><span id="L746" class="LineNr"> 746 </span> y:text <span class="Special"><-</span> trim x +<a name="L747"></a><span id="L747" class="LineNr"> 747 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L748"></a><span id="L748" class="LineNr"> 748 </span> ] +<a name="L749"></a><span id="L749" class="LineNr"> 749 </span> memory-should-contain [ +<a name="L750"></a><span id="L750" class="LineNr"> 750 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> +<a name="L751"></a><span id="L751" class="LineNr"> 751 </span> ] +<a name="L752"></a><span id="L752" class="LineNr"> 752 </span>] +<a name="L753"></a><span id="L753" class="LineNr"> 753 </span> +<a name="L754"></a><span id="L754" class="LineNr"> 754 </span><span class="muScenario">scenario</span> trim-right [ +<a name="L755"></a><span id="L755" class="LineNr"> 755 </span> <span class="Constant">local-scope</span> +<a name="L756"></a><span id="L756" class="LineNr"> 756 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc ]</span> +<a name="L757"></a><span id="L757" class="LineNr"> 757 </span> run [ +<a name="L758"></a><span id="L758" class="LineNr"> 758 </span> y:text <span class="Special"><-</span> trim x +<a name="L759"></a><span id="L759" class="LineNr"> 759 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L760"></a><span id="L760" class="LineNr"> 760 </span> ] +<a name="L761"></a><span id="L761" class="LineNr"> 761 </span> memory-should-contain [ +<a name="L762"></a><span id="L762" class="LineNr"> 762 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> +<a name="L763"></a><span id="L763" class="LineNr"> 763 </span> ] +<a name="L764"></a><span id="L764" class="LineNr"> 764 </span>] +<a name="L765"></a><span id="L765" class="LineNr"> 765 </span> +<a name="L766"></a><span id="L766" class="LineNr"> 766 </span><span class="muScenario">scenario</span> trim-left-right [ +<a name="L767"></a><span id="L767" class="LineNr"> 767 </span> <span class="Constant">local-scope</span> +<a name="L768"></a><span id="L768" class="LineNr"> 768 </span> x:text <span class="Special"><-</span> new <span class="Constant">[ abc ]</span> +<a name="L769"></a><span id="L769" class="LineNr"> 769 </span> run [ +<a name="L770"></a><span id="L770" class="LineNr"> 770 </span> y:text <span class="Special"><-</span> trim x +<a name="L771"></a><span id="L771" class="LineNr"> 771 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L772"></a><span id="L772" class="LineNr"> 772 </span> ] +<a name="L773"></a><span id="L773" class="LineNr"> 773 </span> memory-should-contain [ +<a name="L774"></a><span id="L774" class="LineNr"> 774 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> +<a name="L775"></a><span id="L775" class="LineNr"> 775 </span> ] +<a name="L776"></a><span id="L776" class="LineNr"> 776 </span>] +<a name="L777"></a><span id="L777" class="LineNr"> 777 </span> +<a name="L778"></a><span id="L778" class="LineNr"> 778 </span><span class="muScenario">scenario</span> trim-newline-tab [ +<a name="L779"></a><span id="L779" class="LineNr"> 779 </span> <span class="Constant">local-scope</span> +<a name="L780"></a><span id="L780" class="LineNr"> 780 </span> x:text <span class="Special"><-</span> new <span class="Constant">[ abc</span> +<a name="L781"></a><span id="L781" class="LineNr"> 781 </span><span class="Constant">]</span> +<a name="L782"></a><span id="L782" class="LineNr"> 782 </span> run [ +<a name="L783"></a><span id="L783" class="LineNr"> 783 </span> y:text <span class="Special"><-</span> trim x +<a name="L784"></a><span id="L784" class="LineNr"> 784 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L785"></a><span id="L785" class="LineNr"> 785 </span> ] +<a name="L786"></a><span id="L786" class="LineNr"> 786 </span> memory-should-contain [ +<a name="L787"></a><span id="L787" class="LineNr"> 787 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> +<a name="L788"></a><span id="L788" class="LineNr"> 788 </span> ] +<a name="L789"></a><span id="L789" class="LineNr"> 789 </span>] +<a name="L790"></a><span id="L790" class="LineNr"> 790 </span> +<a name="L791"></a><span id="L791" class="LineNr"> 791 </span><span class="muRecipe">def</span> find-next text:text, pattern:char, idx:num<span class="muRecipe"> -> </span>next-index:num [ +<a name="L792"></a><span id="L792" class="LineNr"> 792 </span> <span class="Constant">local-scope</span> +<a name="L793"></a><span id="L793" class="LineNr"> 793 </span> <span class="Constant">load-ingredients</span> +<a name="L794"></a><span id="L794" class="LineNr"> 794 </span> len:num <span class="Special"><-</span> length *text +<a name="L795"></a><span id="L795" class="LineNr"> 795 </span> <span class="Delimiter">{</span> +<a name="L796"></a><span id="L796" class="LineNr"> 796 </span> eof?:bool <span class="Special"><-</span> greater-or-equal idx, len +<a name="L797"></a><span id="L797" class="LineNr"> 797 </span> <span class="muControl">break-if</span> eof? +<a name="L798"></a><span id="L798" class="LineNr"> 798 </span> curr:char <span class="Special"><-</span> index *text, idx +<a name="L799"></a><span id="L799" class="LineNr"> 799 </span> found?:bool <span class="Special"><-</span> equal curr, pattern +<a name="L800"></a><span id="L800" class="LineNr"> 800 </span> <span class="muControl">break-if</span> found? +<a name="L801"></a><span id="L801" class="LineNr"> 801 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<a name="L802"></a><span id="L802" class="LineNr"> 802 </span> <span class="muControl">loop</span> +<a name="L803"></a><span id="L803" class="LineNr"> 803 </span> <span class="Delimiter">}</span> +<a name="L804"></a><span id="L804" class="LineNr"> 804 </span> <span class="muControl">return</span> idx +<a name="L805"></a><span id="L805" class="LineNr"> 805 </span>] +<a name="L806"></a><span id="L806" class="LineNr"> 806 </span> +<a name="L807"></a><span id="L807" class="LineNr"> 807 </span><span class="muScenario">scenario</span> text-find-next [ +<a name="L808"></a><span id="L808" class="LineNr"> 808 </span> <span class="Constant">local-scope</span> +<a name="L809"></a><span id="L809" class="LineNr"> 809 </span> x:text <span class="Special"><-</span> new <span class="Constant">[a/b]</span> +<a name="L810"></a><span id="L810" class="LineNr"> 810 </span> run [ +<a name="L811"></a><span id="L811" class="LineNr"> 811 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> +<a name="L812"></a><span id="L812" class="LineNr"> 812 </span> ] +<a name="L813"></a><span id="L813" class="LineNr"> 813 </span> memory-should-contain [ +<a name="L814"></a><span id="L814" class="LineNr"> 814 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<a name="L815"></a><span id="L815" class="LineNr"> 815 </span> ] +<a name="L816"></a><span id="L816" class="LineNr"> 816 </span>] +<a name="L817"></a><span id="L817" class="LineNr"> 817 </span> +<a name="L818"></a><span id="L818" class="LineNr"> 818 </span><span class="muScenario">scenario</span> text-find-next-empty [ +<a name="L819"></a><span id="L819" class="LineNr"> 819 </span> <span class="Constant">local-scope</span> +<a name="L820"></a><span id="L820" class="LineNr"> 820 </span> x:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L821"></a><span id="L821" class="LineNr"> 821 </span> run [ +<a name="L822"></a><span id="L822" class="LineNr"> 822 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> +<a name="L823"></a><span id="L823" class="LineNr"> 823 </span> ] +<a name="L824"></a><span id="L824" class="LineNr"> 824 </span> memory-should-contain [ +<a name="L825"></a><span id="L825" class="LineNr"> 825 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L826"></a><span id="L826" class="LineNr"> 826 </span> ] +<a name="L827"></a><span id="L827" class="LineNr"> 827 </span>] +<a name="L828"></a><span id="L828" class="LineNr"> 828 </span> +<a name="L829"></a><span id="L829" class="LineNr"> 829 </span><span class="muScenario">scenario</span> text-find-next-initial [ +<a name="L830"></a><span id="L830" class="LineNr"> 830 </span> <span class="Constant">local-scope</span> +<a name="L831"></a><span id="L831" class="LineNr"> 831 </span> x:text <span class="Special"><-</span> new <span class="Constant">[/abc]</span> +<a name="L832"></a><span id="L832" class="LineNr"> 832 </span> run [ +<a name="L833"></a><span id="L833" class="LineNr"> 833 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> +<a name="L834"></a><span id="L834" class="LineNr"> 834 </span> ] +<a name="L835"></a><span id="L835" class="LineNr"> 835 </span> memory-should-contain [ +<a name="L836"></a><span id="L836" class="LineNr"> 836 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># prefix match</span> +<a name="L837"></a><span id="L837" class="LineNr"> 837 </span> ] +<a name="L838"></a><span id="L838" class="LineNr"> 838 </span>] +<a name="L839"></a><span id="L839" class="LineNr"> 839 </span> +<a name="L840"></a><span id="L840" class="LineNr"> 840 </span><span class="muScenario">scenario</span> text-find-next-final [ +<a name="L841"></a><span id="L841" class="LineNr"> 841 </span> <span class="Constant">local-scope</span> +<a name="L842"></a><span id="L842" class="LineNr"> 842 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc/]</span> +<a name="L843"></a><span id="L843" class="LineNr"> 843 </span> run [ +<a name="L844"></a><span id="L844" class="LineNr"> 844 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> +<a name="L845"></a><span id="L845" class="LineNr"> 845 </span> ] +<a name="L846"></a><span id="L846" class="LineNr"> 846 </span> memory-should-contain [ +<a name="L847"></a><span id="L847" class="LineNr"> 847 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># suffix match</span> +<a name="L848"></a><span id="L848" class="LineNr"> 848 </span> ] +<a name="L849"></a><span id="L849" class="LineNr"> 849 </span>] +<a name="L850"></a><span id="L850" class="LineNr"> 850 </span> +<a name="L851"></a><span id="L851" class="LineNr"> 851 </span><span class="muScenario">scenario</span> text-find-next-missing [ +<a name="L852"></a><span id="L852" class="LineNr"> 852 </span> <span class="Constant">local-scope</span> +<a name="L853"></a><span id="L853" class="LineNr"> 853 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> +<a name="L854"></a><span id="L854" class="LineNr"> 854 </span> run [ +<a name="L855"></a><span id="L855" class="LineNr"> 855 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> +<a name="L856"></a><span id="L856" class="LineNr"> 856 </span> ] +<a name="L857"></a><span id="L857" class="LineNr"> 857 </span> memory-should-contain [ +<a name="L858"></a><span id="L858" class="LineNr"> 858 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># no match</span> +<a name="L859"></a><span id="L859" class="LineNr"> 859 </span> ] +<a name="L860"></a><span id="L860" class="LineNr"> 860 </span>] +<a name="L861"></a><span id="L861" class="LineNr"> 861 </span> +<a name="L862"></a><span id="L862" class="LineNr"> 862 </span><span class="muScenario">scenario</span> text-find-next-invalid-index [ +<a name="L863"></a><span id="L863" class="LineNr"> 863 </span> <span class="Constant">local-scope</span> +<a name="L864"></a><span id="L864" class="LineNr"> 864 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L865"></a><span id="L865" class="LineNr"> 865 </span> run [ +<a name="L866"></a><span id="L866" class="LineNr"> 866 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">4/start-index</span> +<a name="L867"></a><span id="L867" class="LineNr"> 867 </span> ] +<a name="L868"></a><span id="L868" class="LineNr"> 868 </span> memory-should-contain [ +<a name="L869"></a><span id="L869" class="LineNr"> 869 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># no change</span> +<a name="L870"></a><span id="L870" class="LineNr"> 870 </span> ] +<a name="L871"></a><span id="L871" class="LineNr"> 871 </span>] +<a name="L872"></a><span id="L872" class="LineNr"> 872 </span> +<a name="L873"></a><span id="L873" class="LineNr"> 873 </span><span class="muScenario">scenario</span> text-find-next-first [ +<a name="L874"></a><span id="L874" class="LineNr"> 874 </span> <span class="Constant">local-scope</span> +<a name="L875"></a><span id="L875" class="LineNr"> 875 </span> x:text <span class="Special"><-</span> new <span class="Constant">[ab/c/]</span> +<a name="L876"></a><span id="L876" class="LineNr"> 876 </span> run [ +<a name="L877"></a><span id="L877" class="LineNr"> 877 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">0/start-index</span> +<a name="L878"></a><span id="L878" class="LineNr"> 878 </span> ] +<a name="L879"></a><span id="L879" class="LineNr"> 879 </span> memory-should-contain [ +<a name="L880"></a><span id="L880" class="LineNr"> 880 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># first '/' of multiple</span> +<a name="L881"></a><span id="L881" class="LineNr"> 881 </span> ] +<a name="L882"></a><span id="L882" class="LineNr"> 882 </span>] +<a name="L883"></a><span id="L883" class="LineNr"> 883 </span> +<a name="L884"></a><span id="L884" class="LineNr"> 884 </span><span class="muScenario">scenario</span> text-find-next-second [ +<a name="L885"></a><span id="L885" class="LineNr"> 885 </span> <span class="Constant">local-scope</span> +<a name="L886"></a><span id="L886" class="LineNr"> 886 </span> x:text <span class="Special"><-</span> new <span class="Constant">[ab/c/]</span> +<a name="L887"></a><span id="L887" class="LineNr"> 887 </span> run [ +<a name="L888"></a><span id="L888" class="LineNr"> 888 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, <span class="Constant">47/slash</span>, <span class="Constant">3/start-index</span> +<a name="L889"></a><span id="L889" class="LineNr"> 889 </span> ] +<a name="L890"></a><span id="L890" class="LineNr"> 890 </span> memory-should-contain [ +<a name="L891"></a><span id="L891" class="LineNr"> 891 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># second '/' of multiple</span> +<a name="L892"></a><span id="L892" class="LineNr"> 892 </span> ] +<a name="L893"></a><span id="L893" class="LineNr"> 893 </span>] +<a name="L894"></a><span id="L894" class="LineNr"> 894 </span> +<a name="L895"></a><span id="L895" class="LineNr"> 895 </span><span class="Comment"># search for a pattern of multiple characters</span> +<a name="L896"></a><span id="L896" class="LineNr"> 896 </span><span class="Comment"># fairly dumb algorithm</span> +<a name="L897"></a><span id="L897" class="LineNr"> 897 </span><span class="muRecipe">def</span> find-next text:text, pattern:text, idx:num<span class="muRecipe"> -> </span>next-index:num [ +<a name="L898"></a><span id="L898" class="LineNr"> 898 </span> <span class="Constant">local-scope</span> +<a name="L899"></a><span id="L899" class="LineNr"> 899 </span> <span class="Constant">load-ingredients</span> +<a name="L900"></a><span id="L900" class="LineNr"> 900 </span> first:char <span class="Special"><-</span> index *pattern,<span class="Constant"> 0</span> +<a name="L901"></a><span id="L901" class="LineNr"> 901 </span> <span class="Comment"># repeatedly check for match at current idx</span> +<a name="L902"></a><span id="L902" class="LineNr"> 902 </span> len:num <span class="Special"><-</span> length *text +<a name="L903"></a><span id="L903" class="LineNr"> 903 </span> <span class="Delimiter">{</span> +<a name="L904"></a><span id="L904" class="LineNr"> 904 </span> <span class="Comment"># does some unnecessary work checking even when there isn't enough of text left</span> +<a name="L905"></a><span id="L905" class="LineNr"> 905 </span> done?:bool <span class="Special"><-</span> greater-or-equal idx, len +<a name="L906"></a><span id="L906" class="LineNr"> 906 </span> <span class="muControl">break-if</span> done? +<a name="L907"></a><span id="L907" class="LineNr"> 907 </span> found?:bool <span class="Special"><-</span> match-at text, pattern, idx +<a name="L908"></a><span id="L908" class="LineNr"> 908 </span> <span class="muControl">break-if</span> found? +<a name="L909"></a><span id="L909" class="LineNr"> 909 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<a name="L910"></a><span id="L910" class="LineNr"> 910 </span> <span class="Comment"># optimization: skip past indices that definitely won't match</span> +<a name="L911"></a><span id="L911" class="LineNr"> 911 </span> idx <span class="Special"><-</span> find-next text, first, idx +<a name="L912"></a><span id="L912" class="LineNr"> 912 </span> <span class="muControl">loop</span> +<a name="L913"></a><span id="L913" class="LineNr"> 913 </span> <span class="Delimiter">}</span> +<a name="L914"></a><span id="L914" class="LineNr"> 914 </span> <span class="muControl">return</span> idx +<a name="L915"></a><span id="L915" class="LineNr"> 915 </span>] +<a name="L916"></a><span id="L916" class="LineNr"> 916 </span> +<a name="L917"></a><span id="L917" class="LineNr"> 917 </span><span class="muScenario">scenario</span> find-next-text-1 [ +<a name="L918"></a><span id="L918" class="LineNr"> 918 </span> <span class="Constant">local-scope</span> +<a name="L919"></a><span id="L919" class="LineNr"> 919 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L920"></a><span id="L920" class="LineNr"> 920 </span> y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> +<a name="L921"></a><span id="L921" class="LineNr"> 921 </span> run [ +<a name="L922"></a><span id="L922" class="LineNr"> 922 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> +<a name="L923"></a><span id="L923" class="LineNr"> 923 </span> ] +<a name="L924"></a><span id="L924" class="LineNr"> 924 </span> memory-should-contain [ +<a name="L925"></a><span id="L925" class="LineNr"> 925 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<a name="L926"></a><span id="L926" class="LineNr"> 926 </span> ] +<a name="L927"></a><span id="L927" class="LineNr"> 927 </span>] +<a name="L928"></a><span id="L928" class="LineNr"> 928 </span> +<a name="L929"></a><span id="L929" class="LineNr"> 929 </span><span class="muScenario">scenario</span> find-next-text-2 [ +<a name="L930"></a><span id="L930" class="LineNr"> 930 </span> <span class="Constant">local-scope</span> +<a name="L931"></a><span id="L931" class="LineNr"> 931 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> +<a name="L932"></a><span id="L932" class="LineNr"> 932 </span> y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> +<a name="L933"></a><span id="L933" class="LineNr"> 933 </span> run [ +<a name="L934"></a><span id="L934" class="LineNr"> 934 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 1</span> +<a name="L935"></a><span id="L935" class="LineNr"> 935 </span> ] +<a name="L936"></a><span id="L936" class="LineNr"> 936 </span> memory-should-contain [ +<a name="L937"></a><span id="L937" class="LineNr"> 937 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<a name="L938"></a><span id="L938" class="LineNr"> 938 </span> ] +<a name="L939"></a><span id="L939" class="LineNr"> 939 </span>] +<a name="L940"></a><span id="L940" class="LineNr"> 940 </span> +<a name="L941"></a><span id="L941" class="LineNr"> 941 </span><span class="muScenario">scenario</span> find-next-no-match [ +<a name="L942"></a><span id="L942" class="LineNr"> 942 </span> <span class="Constant">local-scope</span> +<a name="L943"></a><span id="L943" class="LineNr"> 943 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L944"></a><span id="L944" class="LineNr"> 944 </span> y:text <span class="Special"><-</span> new <span class="Constant">[bd]</span> +<a name="L945"></a><span id="L945" class="LineNr"> 945 </span> run [ +<a name="L946"></a><span id="L946" class="LineNr"> 946 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> +<a name="L947"></a><span id="L947" class="LineNr"> 947 </span> ] +<a name="L948"></a><span id="L948" class="LineNr"> 948 </span> memory-should-contain [ +<a name="L949"></a><span id="L949" class="LineNr"> 949 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># not found</span> +<a name="L950"></a><span id="L950" class="LineNr"> 950 </span> ] +<a name="L951"></a><span id="L951" class="LineNr"> 951 </span>] +<a name="L952"></a><span id="L952" class="LineNr"> 952 </span> +<a name="L953"></a><span id="L953" class="LineNr"> 953 </span><span class="muScenario">scenario</span> find-next-suffix-match [ +<a name="L954"></a><span id="L954" class="LineNr"> 954 </span> <span class="Constant">local-scope</span> +<a name="L955"></a><span id="L955" class="LineNr"> 955 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> +<a name="L956"></a><span id="L956" class="LineNr"> 956 </span> y:text <span class="Special"><-</span> new <span class="Constant">[cd]</span> +<a name="L957"></a><span id="L957" class="LineNr"> 957 </span> run [ +<a name="L958"></a><span id="L958" class="LineNr"> 958 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> +<a name="L959"></a><span id="L959" class="LineNr"> 959 </span> ] +<a name="L960"></a><span id="L960" class="LineNr"> 960 </span> memory-should-contain [ +<a name="L961"></a><span id="L961" class="LineNr"> 961 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<a name="L962"></a><span id="L962" class="LineNr"> 962 </span> ] +<a name="L963"></a><span id="L963" class="LineNr"> 963 </span>] +<a name="L964"></a><span id="L964" class="LineNr"> 964 </span> +<a name="L965"></a><span id="L965" class="LineNr"> 965 </span><span class="muScenario">scenario</span> find-next-suffix-match-2 [ +<a name="L966"></a><span id="L966" class="LineNr"> 966 </span> <span class="Constant">local-scope</span> +<a name="L967"></a><span id="L967" class="LineNr"> 967 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abcd]</span> +<a name="L968"></a><span id="L968" class="LineNr"> 968 </span> y:text <span class="Special"><-</span> new <span class="Constant">[cde]</span> +<a name="L969"></a><span id="L969" class="LineNr"> 969 </span> run [ +<a name="L970"></a><span id="L970" class="LineNr"> 970 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> find-next x, y,<span class="Constant"> 0</span> +<a name="L971"></a><span id="L971" class="LineNr"> 971 </span> ] +<a name="L972"></a><span id="L972" class="LineNr"> 972 </span> memory-should-contain [ +<a name="L973"></a><span id="L973" class="LineNr"> 973 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># not found</span> +<a name="L974"></a><span id="L974" class="LineNr"> 974 </span> ] +<a name="L975"></a><span id="L975" class="LineNr"> 975 </span>] +<a name="L976"></a><span id="L976" class="LineNr"> 976 </span> +<a name="L977"></a><span id="L977" class="LineNr"> 977 </span><span class="Comment"># checks if pattern matches at index 'idx'</span> +<a name="L978"></a><span id="L978" class="LineNr"> 978 </span><span class="muRecipe">def</span> match-at text:text, pattern:text, idx:num<span class="muRecipe"> -> </span>result:bool [ +<a name="L979"></a><span id="L979" class="LineNr"> 979 </span> <span class="Constant">local-scope</span> +<a name="L980"></a><span id="L980" class="LineNr"> 980 </span> <span class="Constant">load-ingredients</span> +<a name="L981"></a><span id="L981" class="LineNr"> 981 </span> pattern-len:num <span class="Special"><-</span> length *pattern +<a name="L982"></a><span id="L982" class="LineNr"> 982 </span> <span class="Comment"># check that there's space left for the pattern</span> +<a name="L983"></a><span id="L983" class="LineNr"> 983 </span> <span class="Delimiter">{</span> +<a name="L984"></a><span id="L984" class="LineNr"> 984 </span> x:num <span class="Special"><-</span> length *text +<a name="L985"></a><span id="L985" class="LineNr"> 985 </span> x <span class="Special"><-</span> subtract x, pattern-len +<a name="L986"></a><span id="L986" class="LineNr"> 986 </span> enough-room?:bool <span class="Special"><-</span> lesser-or-equal idx, x +<a name="L987"></a><span id="L987" class="LineNr"> 987 </span> <span class="muControl">break-if</span> enough-room? +<a name="L988"></a><span id="L988" class="LineNr"> 988 </span> <span class="muControl">return</span> <span class="Constant">0/not-found</span> +<a name="L989"></a><span id="L989" class="LineNr"> 989 </span> <span class="Delimiter">}</span> +<a name="L990"></a><span id="L990" class="LineNr"> 990 </span> <span class="Comment"># check each character of pattern</span> +<a name="L991"></a><span id="L991" class="LineNr"> 991 </span> pattern-idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L992"></a><span id="L992" class="LineNr"> 992 </span> <span class="Delimiter">{</span> +<a name="L993"></a><span id="L993" class="LineNr"> 993 </span> done?:bool <span class="Special"><-</span> greater-or-equal pattern-idx, pattern-len +<a name="L994"></a><span id="L994" class="LineNr"> 994 </span> <span class="muControl">break-if</span> done? +<a name="L995"></a><span id="L995" class="LineNr"> 995 </span> c:char <span class="Special"><-</span> index *text, idx +<a name="L996"></a><span id="L996" class="LineNr"> 996 </span> exp:char <span class="Special"><-</span> index *pattern, pattern-idx +<a name="L997"></a><span id="L997" class="LineNr"> 997 </span> <span class="Delimiter">{</span> +<a name="L998"></a><span id="L998" class="LineNr"> 998 </span> match?:bool <span class="Special"><-</span> equal c, exp +<a name="L999"></a><span id="L999" class="LineNr"> 999 </span> <span class="muControl">break-if</span> match? +<a name="L1000"></a><span id="L1000" class="LineNr">1000 </span> <span class="muControl">return</span> <span class="Constant">0/not-found</span> +<a name="L1001"></a><span id="L1001" class="LineNr">1001 </span> <span class="Delimiter">}</span> +<a name="L1002"></a><span id="L1002" class="LineNr">1002 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<a name="L1003"></a><span id="L1003" class="LineNr">1003 </span> pattern-idx <span class="Special"><-</span> add pattern-idx,<span class="Constant"> 1</span> +<a name="L1004"></a><span id="L1004" class="LineNr">1004 </span> <span class="muControl">loop</span> +<a name="L1005"></a><span id="L1005" class="LineNr">1005 </span> <span class="Delimiter">}</span> +<a name="L1006"></a><span id="L1006" class="LineNr">1006 </span> <span class="muControl">return</span> <span class="Constant">1/found</span> +<a name="L1007"></a><span id="L1007" class="LineNr">1007 </span>] +<a name="L1008"></a><span id="L1008" class="LineNr">1008 </span> +<a name="L1009"></a><span id="L1009" class="LineNr">1009 </span><span class="muScenario">scenario</span> match-at-checks-pattern-at-index [ +<a name="L1010"></a><span id="L1010" class="LineNr">1010 </span> <span class="Constant">local-scope</span> +<a name="L1011"></a><span id="L1011" class="LineNr">1011 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1012"></a><span id="L1012" class="LineNr">1012 </span> y:text <span class="Special"><-</span> new <span class="Constant">[ab]</span> +<a name="L1013"></a><span id="L1013" class="LineNr">1013 </span> run [ +<a name="L1014"></a><span id="L1014" class="LineNr">1014 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> +<a name="L1015"></a><span id="L1015" class="LineNr">1015 </span> ] +<a name="L1016"></a><span id="L1016" class="LineNr">1016 </span> memory-should-contain [ +<a name="L1017"></a><span id="L1017" class="LineNr">1017 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># match found</span> +<a name="L1018"></a><span id="L1018" class="LineNr">1018 </span> ] +<a name="L1019"></a><span id="L1019" class="LineNr">1019 </span>] +<a name="L1020"></a><span id="L1020" class="LineNr">1020 </span> +<a name="L1021"></a><span id="L1021" class="LineNr">1021 </span><span class="muScenario">scenario</span> match-at-reflexive [ +<a name="L1022"></a><span id="L1022" class="LineNr">1022 </span> <span class="Constant">local-scope</span> +<a name="L1023"></a><span id="L1023" class="LineNr">1023 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1024"></a><span id="L1024" class="LineNr">1024 </span> run [ +<a name="L1025"></a><span id="L1025" class="LineNr">1025 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, x,<span class="Constant"> 0</span> +<a name="L1026"></a><span id="L1026" class="LineNr">1026 </span> ] +<a name="L1027"></a><span id="L1027" class="LineNr">1027 </span> memory-should-contain [ +<a name="L1028"></a><span id="L1028" class="LineNr">1028 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># match found</span> +<a name="L1029"></a><span id="L1029" class="LineNr">1029 </span> ] +<a name="L1030"></a><span id="L1030" class="LineNr">1030 </span>] +<a name="L1031"></a><span id="L1031" class="LineNr">1031 </span> +<a name="L1032"></a><span id="L1032" class="LineNr">1032 </span><span class="muScenario">scenario</span> match-at-outside-bounds [ +<a name="L1033"></a><span id="L1033" class="LineNr">1033 </span> <span class="Constant">local-scope</span> +<a name="L1034"></a><span id="L1034" class="LineNr">1034 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1035"></a><span id="L1035" class="LineNr">1035 </span> y:text <span class="Special"><-</span> new <span class="Constant">[a]</span> +<a name="L1036"></a><span id="L1036" class="LineNr">1036 </span> run [ +<a name="L1037"></a><span id="L1037" class="LineNr">1037 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 4</span> +<a name="L1038"></a><span id="L1038" class="LineNr">1038 </span> ] +<a name="L1039"></a><span id="L1039" class="LineNr">1039 </span> memory-should-contain [ +<a name="L1040"></a><span id="L1040" class="LineNr">1040 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># never matches</span> +<a name="L1041"></a><span id="L1041" class="LineNr">1041 </span> ] +<a name="L1042"></a><span id="L1042" class="LineNr">1042 </span>] +<a name="L1043"></a><span id="L1043" class="LineNr">1043 </span> +<a name="L1044"></a><span id="L1044" class="LineNr">1044 </span><span class="muScenario">scenario</span> match-at-empty-pattern [ +<a name="L1045"></a><span id="L1045" class="LineNr">1045 </span> <span class="Constant">local-scope</span> +<a name="L1046"></a><span id="L1046" class="LineNr">1046 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1047"></a><span id="L1047" class="LineNr">1047 </span> y:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L1048"></a><span id="L1048" class="LineNr">1048 </span> run [ +<a name="L1049"></a><span id="L1049" class="LineNr">1049 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> +<a name="L1050"></a><span id="L1050" class="LineNr">1050 </span> ] +<a name="L1051"></a><span id="L1051" class="LineNr">1051 </span> memory-should-contain [ +<a name="L1052"></a><span id="L1052" class="LineNr">1052 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># always matches empty pattern given a valid index</span> +<a name="L1053"></a><span id="L1053" class="LineNr">1053 </span> ] +<a name="L1054"></a><span id="L1054" class="LineNr">1054 </span>] +<a name="L1055"></a><span id="L1055" class="LineNr">1055 </span> +<a name="L1056"></a><span id="L1056" class="LineNr">1056 </span><span class="muScenario">scenario</span> match-at-empty-pattern-outside-bound [ +<a name="L1057"></a><span id="L1057" class="LineNr">1057 </span> <span class="Constant">local-scope</span> +<a name="L1058"></a><span id="L1058" class="LineNr">1058 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1059"></a><span id="L1059" class="LineNr">1059 </span> y:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L1060"></a><span id="L1060" class="LineNr">1060 </span> run [ +<a name="L1061"></a><span id="L1061" class="LineNr">1061 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 4</span> +<a name="L1062"></a><span id="L1062" class="LineNr">1062 </span> ] +<a name="L1063"></a><span id="L1063" class="LineNr">1063 </span> memory-should-contain [ +<a name="L1064"></a><span id="L1064" class="LineNr">1064 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no match</span> +<a name="L1065"></a><span id="L1065" class="LineNr">1065 </span> ] +<a name="L1066"></a><span id="L1066" class="LineNr">1066 </span>] +<a name="L1067"></a><span id="L1067" class="LineNr">1067 </span> +<a name="L1068"></a><span id="L1068" class="LineNr">1068 </span><span class="muScenario">scenario</span> match-at-empty-text [ +<a name="L1069"></a><span id="L1069" class="LineNr">1069 </span> <span class="Constant">local-scope</span> +<a name="L1070"></a><span id="L1070" class="LineNr">1070 </span> x:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L1071"></a><span id="L1071" class="LineNr">1071 </span> y:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1072"></a><span id="L1072" class="LineNr">1072 </span> run [ +<a name="L1073"></a><span id="L1073" class="LineNr">1073 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> +<a name="L1074"></a><span id="L1074" class="LineNr">1074 </span> ] +<a name="L1075"></a><span id="L1075" class="LineNr">1075 </span> memory-should-contain [ +<a name="L1076"></a><span id="L1076" class="LineNr">1076 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no match</span> +<a name="L1077"></a><span id="L1077" class="LineNr">1077 </span> ] +<a name="L1078"></a><span id="L1078" class="LineNr">1078 </span>] +<a name="L1079"></a><span id="L1079" class="LineNr">1079 </span> +<a name="L1080"></a><span id="L1080" class="LineNr">1080 </span><span class="muScenario">scenario</span> match-at-empty-against-empty [ +<a name="L1081"></a><span id="L1081" class="LineNr">1081 </span> <span class="Constant">local-scope</span> +<a name="L1082"></a><span id="L1082" class="LineNr">1082 </span> x:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L1083"></a><span id="L1083" class="LineNr">1083 </span> run [ +<a name="L1084"></a><span id="L1084" class="LineNr">1084 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, x,<span class="Constant"> 0</span> +<a name="L1085"></a><span id="L1085" class="LineNr">1085 </span> ] +<a name="L1086"></a><span id="L1086" class="LineNr">1086 </span> memory-should-contain [ +<a name="L1087"></a><span id="L1087" class="LineNr">1087 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># matches because pattern is also empty</span> +<a name="L1088"></a><span id="L1088" class="LineNr">1088 </span> ] +<a name="L1089"></a><span id="L1089" class="LineNr">1089 </span>] +<a name="L1090"></a><span id="L1090" class="LineNr">1090 </span> +<a name="L1091"></a><span id="L1091" class="LineNr">1091 </span><span class="muScenario">scenario</span> match-at-inside-bounds [ +<a name="L1092"></a><span id="L1092" class="LineNr">1092 </span> <span class="Constant">local-scope</span> +<a name="L1093"></a><span id="L1093" class="LineNr">1093 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1094"></a><span id="L1094" class="LineNr">1094 </span> y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> +<a name="L1095"></a><span id="L1095" class="LineNr">1095 </span> run [ +<a name="L1096"></a><span id="L1096" class="LineNr">1096 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 1</span> +<a name="L1097"></a><span id="L1097" class="LineNr">1097 </span> ] +<a name="L1098"></a><span id="L1098" class="LineNr">1098 </span> memory-should-contain [ +<a name="L1099"></a><span id="L1099" class="LineNr">1099 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># match</span> +<a name="L1100"></a><span id="L1100" class="LineNr">1100 </span> ] +<a name="L1101"></a><span id="L1101" class="LineNr">1101 </span>] +<a name="L1102"></a><span id="L1102" class="LineNr">1102 </span> +<a name="L1103"></a><span id="L1103" class="LineNr">1103 </span><span class="muScenario">scenario</span> match-at-inside-bounds-2 [ +<a name="L1104"></a><span id="L1104" class="LineNr">1104 </span> <span class="Constant">local-scope</span> +<a name="L1105"></a><span id="L1105" class="LineNr">1105 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1106"></a><span id="L1106" class="LineNr">1106 </span> y:text <span class="Special"><-</span> new <span class="Constant">[bc]</span> +<a name="L1107"></a><span id="L1107" class="LineNr">1107 </span> run [ +<a name="L1108"></a><span id="L1108" class="LineNr">1108 </span> 10:bool/<span class="Special">raw</span> <span class="Special"><-</span> match-at x, y,<span class="Constant"> 0</span> +<a name="L1109"></a><span id="L1109" class="LineNr">1109 </span> ] +<a name="L1110"></a><span id="L1110" class="LineNr">1110 </span> memory-should-contain [ +<a name="L1111"></a><span id="L1111" class="LineNr">1111 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no match</span> +<a name="L1112"></a><span id="L1112" class="LineNr">1112 </span> ] +<a name="L1113"></a><span id="L1113" class="LineNr">1113 </span>] +<a name="L1114"></a><span id="L1114" class="LineNr">1114 </span> +<a name="L1115"></a><span id="L1115" class="LineNr">1115 </span><span class="muRecipe">def</span> split s:text, delim:char<span class="muRecipe"> -> </span>result:&:@:text [ +<a name="L1116"></a><span id="L1116" class="LineNr">1116 </span> <span class="Constant">local-scope</span> +<a name="L1117"></a><span id="L1117" class="LineNr">1117 </span> <span class="Constant">load-ingredients</span> +<a name="L1118"></a><span id="L1118" class="LineNr">1118 </span> <span class="Comment"># empty text? return empty array</span> +<a name="L1119"></a><span id="L1119" class="LineNr">1119 </span> len:num <span class="Special"><-</span> length *s +<a name="L1120"></a><span id="L1120" class="LineNr">1120 </span> <span class="Delimiter">{</span> +<a name="L1121"></a><span id="L1121" class="LineNr">1121 </span> empty?:bool <span class="Special"><-</span> equal len,<span class="Constant"> 0</span> +<a name="L1122"></a><span id="L1122" class="LineNr">1122 </span> <span class="muControl">break-unless</span> empty? +<a name="L1123"></a><span id="L1123" class="LineNr">1123 </span> result <span class="Special"><-</span> new <span class="Delimiter">{</span>(address array character): type<span class="Delimiter">}</span>,<span class="Constant"> 0</span> +<a name="L1124"></a><span id="L1124" class="LineNr">1124 </span> <span class="muControl">return</span> +<a name="L1125"></a><span id="L1125" class="LineNr">1125 </span> <span class="Delimiter">}</span> +<a name="L1126"></a><span id="L1126" class="LineNr">1126 </span> <span class="Comment"># count #pieces we need room for</span> +<a name="L1127"></a><span id="L1127" class="LineNr">1127 </span> count:num <span class="Special"><-</span> copy<span class="Constant"> 1</span> <span class="Comment"># n delimiters = n+1 pieces</span> +<a name="L1128"></a><span id="L1128" class="LineNr">1128 </span> idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L1129"></a><span id="L1129" class="LineNr">1129 </span> <span class="Delimiter">{</span> +<a name="L1130"></a><span id="L1130" class="LineNr">1130 </span> idx <span class="Special"><-</span> find-next s, delim, idx +<a name="L1131"></a><span id="L1131" class="LineNr">1131 </span> done?:bool <span class="Special"><-</span> greater-or-equal idx, len +<a name="L1132"></a><span id="L1132" class="LineNr">1132 </span> <span class="muControl">break-if</span> done? +<a name="L1133"></a><span id="L1133" class="LineNr">1133 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<a name="L1134"></a><span id="L1134" class="LineNr">1134 </span> count <span class="Special"><-</span> add count,<span class="Constant"> 1</span> +<a name="L1135"></a><span id="L1135" class="LineNr">1135 </span> <span class="muControl">loop</span> +<a name="L1136"></a><span id="L1136" class="LineNr">1136 </span> <span class="Delimiter">}</span> +<a name="L1137"></a><span id="L1137" class="LineNr">1137 </span> <span class="Comment"># allocate space</span> +<a name="L1138"></a><span id="L1138" class="LineNr">1138 </span> result <span class="Special"><-</span> new <span class="Delimiter">{</span>(address array character): type<span class="Delimiter">}</span>, count +<a name="L1139"></a><span id="L1139" class="LineNr">1139 </span> <span class="Comment"># repeatedly copy slices start..end until delimiter into result[curr-result]</span> +<a name="L1140"></a><span id="L1140" class="LineNr">1140 </span> curr-result:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L1141"></a><span id="L1141" class="LineNr">1141 </span> start:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L1142"></a><span id="L1142" class="LineNr">1142 </span> <span class="Delimiter">{</span> +<a name="L1143"></a><span id="L1143" class="LineNr">1143 </span> <span class="Comment"># while next delim exists</span> +<a name="L1144"></a><span id="L1144" class="LineNr">1144 </span> done?:bool <span class="Special"><-</span> greater-or-equal start, len +<a name="L1145"></a><span id="L1145" class="LineNr">1145 </span> <span class="muControl">break-if</span> done? +<a name="L1146"></a><span id="L1146" class="LineNr">1146 </span> end:num <span class="Special"><-</span> find-next s, delim, start +<a name="L1147"></a><span id="L1147" class="LineNr">1147 </span> <span class="Comment"># copy start..end into result[curr-result]</span> +<a name="L1148"></a><span id="L1148" class="LineNr">1148 </span> dest:text <span class="Special"><-</span> copy-range s, start, end +<a name="L1149"></a><span id="L1149" class="LineNr">1149 </span> *result <span class="Special"><-</span> put-index *result, curr-result, dest +<a name="L1150"></a><span id="L1150" class="LineNr">1150 </span> <span class="Comment"># slide over to next slice</span> +<a name="L1151"></a><span id="L1151" class="LineNr">1151 </span> start <span class="Special"><-</span> add end,<span class="Constant"> 1</span> +<a name="L1152"></a><span id="L1152" class="LineNr">1152 </span> curr-result <span class="Special"><-</span> add curr-result,<span class="Constant"> 1</span> +<a name="L1153"></a><span id="L1153" class="LineNr">1153 </span> <span class="muControl">loop</span> +<a name="L1154"></a><span id="L1154" class="LineNr">1154 </span> <span class="Delimiter">}</span> +<a name="L1155"></a><span id="L1155" class="LineNr">1155 </span>] +<a name="L1156"></a><span id="L1156" class="LineNr">1156 </span> +<a name="L1157"></a><span id="L1157" class="LineNr">1157 </span><span class="muScenario">scenario</span> text-split-1 [ +<a name="L1158"></a><span id="L1158" class="LineNr">1158 </span> <span class="Constant">local-scope</span> +<a name="L1159"></a><span id="L1159" class="LineNr">1159 </span> x:text <span class="Special"><-</span> new <span class="Constant">[a/b]</span> +<a name="L1160"></a><span id="L1160" class="LineNr">1160 </span> run [ +<a name="L1161"></a><span id="L1161" class="LineNr">1161 </span> y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> +<a name="L1162"></a><span id="L1162" class="LineNr">1162 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y +<a name="L1163"></a><span id="L1163" class="LineNr">1163 </span> a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> +<a name="L1164"></a><span id="L1164" class="LineNr">1164 </span> b:text <span class="Special"><-</span> index *y,<span class="Constant"> 1</span> +<a name="L1165"></a><span id="L1165" class="LineNr">1165 </span> 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a +<a name="L1166"></a><span id="L1166" class="LineNr">1166 </span> 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *b +<a name="L1167"></a><span id="L1167" class="LineNr">1167 </span> ] +<a name="L1168"></a><span id="L1168" class="LineNr">1168 </span> memory-should-contain [ +<a name="L1169"></a><span id="L1169" class="LineNr">1169 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> <span class="Comment"># length of result</span> +<a name="L1170"></a><span id="L1170" class="LineNr">1170 </span> 20:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> +<a name="L1171"></a><span id="L1171" class="LineNr">1171 </span> 30:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> +<a name="L1172"></a><span id="L1172" class="LineNr">1172 </span> ] +<a name="L1173"></a><span id="L1173" class="LineNr">1173 </span>] +<a name="L1174"></a><span id="L1174" class="LineNr">1174 </span> +<a name="L1175"></a><span id="L1175" class="LineNr">1175 </span><span class="muScenario">scenario</span> text-split-2 [ +<a name="L1176"></a><span id="L1176" class="LineNr">1176 </span> <span class="Constant">local-scope</span> +<a name="L1177"></a><span id="L1177" class="LineNr">1177 </span> x:text <span class="Special"><-</span> new <span class="Constant">[a/b/c]</span> +<a name="L1178"></a><span id="L1178" class="LineNr">1178 </span> run [ +<a name="L1179"></a><span id="L1179" class="LineNr">1179 </span> y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> +<a name="L1180"></a><span id="L1180" class="LineNr">1180 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y +<a name="L1181"></a><span id="L1181" class="LineNr">1181 </span> a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> +<a name="L1182"></a><span id="L1182" class="LineNr">1182 </span> b:text <span class="Special"><-</span> index *y,<span class="Constant"> 1</span> +<a name="L1183"></a><span id="L1183" class="LineNr">1183 </span> c:text <span class="Special"><-</span> index *y,<span class="Constant"> 2</span> +<a name="L1184"></a><span id="L1184" class="LineNr">1184 </span> 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a +<a name="L1185"></a><span id="L1185" class="LineNr">1185 </span> 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *b +<a name="L1186"></a><span id="L1186" class="LineNr">1186 </span> 40:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *c +<a name="L1187"></a><span id="L1187" class="LineNr">1187 </span> ] +<a name="L1188"></a><span id="L1188" class="LineNr">1188 </span> memory-should-contain [ +<a name="L1189"></a><span id="L1189" class="LineNr">1189 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># length of result</span> +<a name="L1190"></a><span id="L1190" class="LineNr">1190 </span> 20:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> +<a name="L1191"></a><span id="L1191" class="LineNr">1191 </span> 30:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> +<a name="L1192"></a><span id="L1192" class="LineNr">1192 </span> 40:array:character <span class="Special"><-</span> <span class="Constant">[c]</span> +<a name="L1193"></a><span id="L1193" class="LineNr">1193 </span> ] +<a name="L1194"></a><span id="L1194" class="LineNr">1194 </span>] +<a name="L1195"></a><span id="L1195" class="LineNr">1195 </span> +<a name="L1196"></a><span id="L1196" class="LineNr">1196 </span><span class="muScenario">scenario</span> text-split-missing [ +<a name="L1197"></a><span id="L1197" class="LineNr">1197 </span> <span class="Constant">local-scope</span> +<a name="L1198"></a><span id="L1198" class="LineNr">1198 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1199"></a><span id="L1199" class="LineNr">1199 </span> run [ +<a name="L1200"></a><span id="L1200" class="LineNr">1200 </span> y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> +<a name="L1201"></a><span id="L1201" class="LineNr">1201 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y +<a name="L1202"></a><span id="L1202" class="LineNr">1202 </span> a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> +<a name="L1203"></a><span id="L1203" class="LineNr">1203 </span> 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a +<a name="L1204"></a><span id="L1204" class="LineNr">1204 </span> ] +<a name="L1205"></a><span id="L1205" class="LineNr">1205 </span> memory-should-contain [ +<a name="L1206"></a><span id="L1206" class="LineNr">1206 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># length of result</span> +<a name="L1207"></a><span id="L1207" class="LineNr">1207 </span> 20:array:character <span class="Special"><-</span> <span class="Constant">[abc]</span> +<a name="L1208"></a><span id="L1208" class="LineNr">1208 </span> ] +<a name="L1209"></a><span id="L1209" class="LineNr">1209 </span>] +<a name="L1210"></a><span id="L1210" class="LineNr">1210 </span> +<a name="L1211"></a><span id="L1211" class="LineNr">1211 </span><span class="muScenario">scenario</span> text-split-empty [ +<a name="L1212"></a><span id="L1212" class="LineNr">1212 </span> <span class="Constant">local-scope</span> +<a name="L1213"></a><span id="L1213" class="LineNr">1213 </span> x:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L1214"></a><span id="L1214" class="LineNr">1214 </span> run [ +<a name="L1215"></a><span id="L1215" class="LineNr">1215 </span> y:&:@:text <span class="Special"><-</span> split x, <span class="Constant">47/slash</span> +<a name="L1216"></a><span id="L1216" class="LineNr">1216 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y +<a name="L1217"></a><span id="L1217" class="LineNr">1217 </span> ] +<a name="L1218"></a><span id="L1218" class="LineNr">1218 </span> memory-should-contain [ +<a name="L1219"></a><span id="L1219" class="LineNr">1219 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># empty result</span> +<a name="L1220"></a><span id="L1220" class="LineNr">1220 </span> ] +<a name="L1221"></a><span id="L1221" class="LineNr">1221 </span>] +<a name="L1222"></a><span id="L1222" class="LineNr">1222 </span> +<a name="L1223"></a><span id="L1223" class="LineNr">1223 </span><span class="muScenario">scenario</span> text-split-empty-piece [ +<a name="L1224"></a><span id="L1224" class="LineNr">1224 </span> <span class="Constant">local-scope</span> +<a name="L1225"></a><span id="L1225" class="LineNr">1225 </span> x:text <span class="Special"><-</span> new <span class="Constant">[a/b//c]</span> +<a name="L1226"></a><span id="L1226" class="LineNr">1226 </span> run [ +<a name="L1227"></a><span id="L1227" class="LineNr">1227 </span> y:&:@:text <span class="Special"><-</span> split x:text, <span class="Constant">47/slash</span> +<a name="L1228"></a><span id="L1228" class="LineNr">1228 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> length *y +<a name="L1229"></a><span id="L1229" class="LineNr">1229 </span> a:text <span class="Special"><-</span> index *y,<span class="Constant"> 0</span> +<a name="L1230"></a><span id="L1230" class="LineNr">1230 </span> b:text <span class="Special"><-</span> index *y,<span class="Constant"> 1</span> +<a name="L1231"></a><span id="L1231" class="LineNr">1231 </span> c:text <span class="Special"><-</span> index *y,<span class="Constant"> 2</span> +<a name="L1232"></a><span id="L1232" class="LineNr">1232 </span> d:text <span class="Special"><-</span> index *y,<span class="Constant"> 3</span> +<a name="L1233"></a><span id="L1233" class="LineNr">1233 </span> 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *a +<a name="L1234"></a><span id="L1234" class="LineNr">1234 </span> 30:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *b +<a name="L1235"></a><span id="L1235" class="LineNr">1235 </span> 40:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *c +<a name="L1236"></a><span id="L1236" class="LineNr">1236 </span> 50:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *d +<a name="L1237"></a><span id="L1237" class="LineNr">1237 </span> ] +<a name="L1238"></a><span id="L1238" class="LineNr">1238 </span> memory-should-contain [ +<a name="L1239"></a><span id="L1239" class="LineNr">1239 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> <span class="Comment"># length of result</span> +<a name="L1240"></a><span id="L1240" class="LineNr">1240 </span> 20:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> +<a name="L1241"></a><span id="L1241" class="LineNr">1241 </span> 30:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> +<a name="L1242"></a><span id="L1242" class="LineNr">1242 </span> 40:array:character <span class="Special"><-</span> <span class="Constant">[]</span> +<a name="L1243"></a><span id="L1243" class="LineNr">1243 </span> 50:array:character <span class="Special"><-</span> <span class="Constant">[c]</span> +<a name="L1244"></a><span id="L1244" class="LineNr">1244 </span> ] +<a name="L1245"></a><span id="L1245" class="LineNr">1245 </span>] +<a name="L1246"></a><span id="L1246" class="LineNr">1246 </span> +<a name="L1247"></a><span id="L1247" class="LineNr">1247 </span><span class="muRecipe">def</span> split-first text:text, delim:char<span class="muRecipe"> -> </span>x:text, y:text [ +<a name="L1248"></a><span id="L1248" class="LineNr">1248 </span> <span class="Constant">local-scope</span> +<a name="L1249"></a><span id="L1249" class="LineNr">1249 </span> <span class="Constant">load-ingredients</span> +<a name="L1250"></a><span id="L1250" class="LineNr">1250 </span> <span class="Comment"># empty text? return empty texts</span> +<a name="L1251"></a><span id="L1251" class="LineNr">1251 </span> len:num <span class="Special"><-</span> length *text +<a name="L1252"></a><span id="L1252" class="LineNr">1252 </span> <span class="Delimiter">{</span> +<a name="L1253"></a><span id="L1253" class="LineNr">1253 </span> empty?:bool <span class="Special"><-</span> equal len,<span class="Constant"> 0</span> +<a name="L1254"></a><span id="L1254" class="LineNr">1254 </span> <span class="muControl">break-unless</span> empty? +<a name="L1255"></a><span id="L1255" class="LineNr">1255 </span> x:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L1256"></a><span id="L1256" class="LineNr">1256 </span> y:text <span class="Special"><-</span> new <span class="Constant">[]</span> +<a name="L1257"></a><span id="L1257" class="LineNr">1257 </span> <span class="muControl">return</span> +<a name="L1258"></a><span id="L1258" class="LineNr">1258 </span> <span class="Delimiter">}</span> +<a name="L1259"></a><span id="L1259" class="LineNr">1259 </span> idx:num <span class="Special"><-</span> find-next text, delim,<span class="Constant"> 0</span> +<a name="L1260"></a><span id="L1260" class="LineNr">1260 </span> x:text <span class="Special"><-</span> copy-range text,<span class="Constant"> 0</span>, idx +<a name="L1261"></a><span id="L1261" class="LineNr">1261 </span> idx <span class="Special"><-</span> add idx,<span class="Constant"> 1</span> +<a name="L1262"></a><span id="L1262" class="LineNr">1262 </span> y:text <span class="Special"><-</span> copy-range text, idx, len +<a name="L1263"></a><span id="L1263" class="LineNr">1263 </span>] +<a name="L1264"></a><span id="L1264" class="LineNr">1264 </span> +<a name="L1265"></a><span id="L1265" class="LineNr">1265 </span><span class="muScenario">scenario</span> text-split-first [ +<a name="L1266"></a><span id="L1266" class="LineNr">1266 </span> <span class="Constant">local-scope</span> +<a name="L1267"></a><span id="L1267" class="LineNr">1267 </span> x:text <span class="Special"><-</span> new <span class="Constant">[a/b]</span> +<a name="L1268"></a><span id="L1268" class="LineNr">1268 </span> run [ +<a name="L1269"></a><span id="L1269" class="LineNr">1269 </span> y:text, z:text <span class="Special"><-</span> split-first x, <span class="Constant">47/slash</span> +<a name="L1270"></a><span id="L1270" class="LineNr">1270 </span> 10:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L1271"></a><span id="L1271" class="LineNr">1271 </span> 20:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *z +<a name="L1272"></a><span id="L1272" class="LineNr">1272 </span> ] +<a name="L1273"></a><span id="L1273" class="LineNr">1273 </span> memory-should-contain [ +<a name="L1274"></a><span id="L1274" class="LineNr">1274 </span> 10:array:character <span class="Special"><-</span> <span class="Constant">[a]</span> +<a name="L1275"></a><span id="L1275" class="LineNr">1275 </span> 20:array:character <span class="Special"><-</span> <span class="Constant">[b]</span> +<a name="L1276"></a><span id="L1276" class="LineNr">1276 </span> ] +<a name="L1277"></a><span id="L1277" class="LineNr">1277 </span>] +<a name="L1278"></a><span id="L1278" class="LineNr">1278 </span> +<a name="L1279"></a><span id="L1279" class="LineNr">1279 </span><span class="muRecipe">def</span> copy-range buf:text, start:num, end:num<span class="muRecipe"> -> </span>result:text [ +<a name="L1280"></a><span id="L1280" class="LineNr">1280 </span> <span class="Constant">local-scope</span> +<a name="L1281"></a><span id="L1281" class="LineNr">1281 </span> <span class="Constant">load-ingredients</span> +<a name="L1282"></a><span id="L1282" class="LineNr">1282 </span> <span class="Comment"># if end is out of bounds, trim it</span> +<a name="L1283"></a><span id="L1283" class="LineNr">1283 </span> len:num <span class="Special"><-</span> length *buf +<a name="L1284"></a><span id="L1284" class="LineNr">1284 </span> end:num <span class="Special"><-</span> min len, end +<a name="L1285"></a><span id="L1285" class="LineNr">1285 </span> <span class="Comment"># allocate space for result</span> +<a name="L1286"></a><span id="L1286" class="LineNr">1286 </span> len <span class="Special"><-</span> subtract end, start +<a name="L1287"></a><span id="L1287" class="LineNr">1287 </span> result:text <span class="Special"><-</span> new <span class="Constant">character:type</span>, len +<a name="L1288"></a><span id="L1288" class="LineNr">1288 </span> <span class="Comment"># copy start..end into result[curr-result]</span> +<a name="L1289"></a><span id="L1289" class="LineNr">1289 </span> src-idx:num <span class="Special"><-</span> copy start +<a name="L1290"></a><span id="L1290" class="LineNr">1290 </span> dest-idx:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L1291"></a><span id="L1291" class="LineNr">1291 </span> <span class="Delimiter">{</span> +<a name="L1292"></a><span id="L1292" class="LineNr">1292 </span> done?:bool <span class="Special"><-</span> greater-or-equal src-idx, end +<a name="L1293"></a><span id="L1293" class="LineNr">1293 </span> <span class="muControl">break-if</span> done? +<a name="L1294"></a><span id="L1294" class="LineNr">1294 </span> src:char <span class="Special"><-</span> index *buf, src-idx +<a name="L1295"></a><span id="L1295" class="LineNr">1295 </span> *result <span class="Special"><-</span> put-index *result, dest-idx, src +<a name="L1296"></a><span id="L1296" class="LineNr">1296 </span> src-idx <span class="Special"><-</span> add src-idx,<span class="Constant"> 1</span> +<a name="L1297"></a><span id="L1297" class="LineNr">1297 </span> dest-idx <span class="Special"><-</span> add dest-idx,<span class="Constant"> 1</span> +<a name="L1298"></a><span id="L1298" class="LineNr">1298 </span> <span class="muControl">loop</span> +<a name="L1299"></a><span id="L1299" class="LineNr">1299 </span> <span class="Delimiter">}</span> +<a name="L1300"></a><span id="L1300" class="LineNr">1300 </span>] +<a name="L1301"></a><span id="L1301" class="LineNr">1301 </span> +<a name="L1302"></a><span id="L1302" class="LineNr">1302 </span><span class="muScenario">scenario</span> copy-range-works [ +<a name="L1303"></a><span id="L1303" class="LineNr">1303 </span> <span class="Constant">local-scope</span> +<a name="L1304"></a><span id="L1304" class="LineNr">1304 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1305"></a><span id="L1305" class="LineNr">1305 </span> run [ +<a name="L1306"></a><span id="L1306" class="LineNr">1306 </span> y:text <span class="Special"><-</span> copy-range x,<span class="Constant"> 1</span>,<span class="Constant"> 3</span> +<a name="L1307"></a><span id="L1307" class="LineNr">1307 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L1308"></a><span id="L1308" class="LineNr">1308 </span> ] +<a name="L1309"></a><span id="L1309" class="LineNr">1309 </span> memory-should-contain [ +<a name="L1310"></a><span id="L1310" class="LineNr">1310 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[bc]</span> +<a name="L1311"></a><span id="L1311" class="LineNr">1311 </span> ] +<a name="L1312"></a><span id="L1312" class="LineNr">1312 </span>] +<a name="L1313"></a><span id="L1313" class="LineNr">1313 </span> +<a name="L1314"></a><span id="L1314" class="LineNr">1314 </span><span class="muScenario">scenario</span> copy-range-out-of-bounds [ +<a name="L1315"></a><span id="L1315" class="LineNr">1315 </span> <span class="Constant">local-scope</span> +<a name="L1316"></a><span id="L1316" class="LineNr">1316 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1317"></a><span id="L1317" class="LineNr">1317 </span> run [ +<a name="L1318"></a><span id="L1318" class="LineNr">1318 </span> y:text <span class="Special"><-</span> copy-range x,<span class="Constant"> 2</span>,<span class="Constant"> 4</span> +<a name="L1319"></a><span id="L1319" class="LineNr">1319 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L1320"></a><span id="L1320" class="LineNr">1320 </span> ] +<a name="L1321"></a><span id="L1321" class="LineNr">1321 </span> memory-should-contain [ +<a name="L1322"></a><span id="L1322" class="LineNr">1322 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[c]</span> +<a name="L1323"></a><span id="L1323" class="LineNr">1323 </span> ] +<a name="L1324"></a><span id="L1324" class="LineNr">1324 </span>] +<a name="L1325"></a><span id="L1325" class="LineNr">1325 </span> +<a name="L1326"></a><span id="L1326" class="LineNr">1326 </span><span class="muScenario">scenario</span> copy-range-out-of-bounds-2 [ +<a name="L1327"></a><span id="L1327" class="LineNr">1327 </span> <span class="Constant">local-scope</span> +<a name="L1328"></a><span id="L1328" class="LineNr">1328 </span> x:text <span class="Special"><-</span> new <span class="Constant">[abc]</span> +<a name="L1329"></a><span id="L1329" class="LineNr">1329 </span> run [ +<a name="L1330"></a><span id="L1330" class="LineNr">1330 </span> y:text <span class="Special"><-</span> copy-range x,<span class="Constant"> 3</span>,<span class="Constant"> 3</span> +<a name="L1331"></a><span id="L1331" class="LineNr">1331 </span> 1:@:char/<span class="Special">raw</span> <span class="Special"><-</span> copy *y +<a name="L1332"></a><span id="L1332" class="LineNr">1332 </span> ] +<a name="L1333"></a><span id="L1333" class="LineNr">1333 </span> memory-should-contain [ +<a name="L1334"></a><span id="L1334" class="LineNr">1334 </span> 1:array:character <span class="Special"><-</span> <span class="Constant">[]</span> +<a name="L1335"></a><span id="L1335" class="LineNr">1335 </span> ] +<a name="L1336"></a><span id="L1336" class="LineNr">1336 </span>] +<a name="L1337"></a><span id="L1337" class="LineNr">1337 </span> +<a name="L1338"></a><span id="L1338" class="LineNr">1338 </span><span class="muRecipe">def</span> parse-whole-number in:text<span class="muRecipe"> -> </span>out:num, error?:bool [ +<a name="L1339"></a><span id="L1339" class="LineNr">1339 </span> <span class="Constant">local-scope</span> +<a name="L1340"></a><span id="L1340" class="LineNr">1340 </span> <span class="Constant">load-ingredients</span> +<a name="L1341"></a><span id="L1341" class="LineNr">1341 </span> out <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L1342"></a><span id="L1342" class="LineNr">1342 </span> result:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> <span class="Comment"># temporary location</span> +<a name="L1343"></a><span id="L1343" class="LineNr">1343 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L1344"></a><span id="L1344" class="LineNr">1344 </span> len:num <span class="Special"><-</span> length *in +<a name="L1345"></a><span id="L1345" class="LineNr">1345 </span> <span class="Delimiter">{</span> +<a name="L1346"></a><span id="L1346" class="LineNr">1346 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, len +<a name="L1347"></a><span id="L1347" class="LineNr">1347 </span> <span class="muControl">break-if</span> done? +<a name="L1348"></a><span id="L1348" class="LineNr">1348 </span> c:char <span class="Special"><-</span> index *in, i +<a name="L1349"></a><span id="L1349" class="LineNr">1349 </span> x:num <span class="Special"><-</span> character-to-code c +<a name="L1350"></a><span id="L1350" class="LineNr">1350 </span> digit:num, error?:bool <span class="Special"><-</span> character-code-to-digit x +<a name="L1351"></a><span id="L1351" class="LineNr">1351 </span> <span class="muControl">reply-if</span> error? +<a name="L1352"></a><span id="L1352" class="LineNr">1352 </span> result <span class="Special"><-</span> multiply result,<span class="Constant"> 10</span> +<a name="L1353"></a><span id="L1353" class="LineNr">1353 </span> result <span class="Special"><-</span> add result, digit +<a name="L1354"></a><span id="L1354" class="LineNr">1354 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<a name="L1355"></a><span id="L1355" class="LineNr">1355 </span> <span class="muControl">loop</span> +<a name="L1356"></a><span id="L1356" class="LineNr">1356 </span> <span class="Delimiter">}</span> +<a name="L1357"></a><span id="L1357" class="LineNr">1357 </span> <span class="Comment"># no error; all digits were valid</span> +<a name="L1358"></a><span id="L1358" class="LineNr">1358 </span> out <span class="Special"><-</span> copy result +<a name="L1359"></a><span id="L1359" class="LineNr">1359 </span>] +<a name="L1360"></a><span id="L1360" class="LineNr">1360 </span> +<a name="L1361"></a><span id="L1361" class="LineNr">1361 </span><span class="Comment"># (contributed by Ella Couch)</span> +<a name="L1362"></a><span id="L1362" class="LineNr">1362 </span><span class="muRecipe">recipe</span> character-code-to-digit character-code:number<span class="muRecipe"> -> </span>result:number, error?:boolean [ +<a name="L1363"></a><span id="L1363" class="LineNr">1363 </span> <span class="Constant">local-scope</span> +<a name="L1364"></a><span id="L1364" class="LineNr">1364 </span> <span class="Constant">load-ingredients</span> +<a name="L1365"></a><span id="L1365" class="LineNr">1365 </span> result <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L1366"></a><span id="L1366" class="LineNr">1366 </span> error? <span class="Special"><-</span> lesser-than character-code,<span class="Constant"> 48</span> <span class="Comment"># '0'</span> +<a name="L1367"></a><span id="L1367" class="LineNr">1367 </span> <span class="muControl">reply-if</span> error? +<a name="L1368"></a><span id="L1368" class="LineNr">1368 </span> error? <span class="Special"><-</span> greater-than character-code,<span class="Constant"> 57</span> <span class="Comment"># '9'</span> +<a name="L1369"></a><span id="L1369" class="LineNr">1369 </span> <span class="muControl">reply-if</span> error? +<a name="L1370"></a><span id="L1370" class="LineNr">1370 </span> result <span class="Special"><-</span> subtract character-code,<span class="Constant"> 48</span> +<a name="L1371"></a><span id="L1371" class="LineNr">1371 </span>] +<a name="L1372"></a><span id="L1372" class="LineNr">1372 </span> +<a name="L1373"></a><span id="L1373" class="LineNr">1373 </span><span class="muScenario">scenario</span> character-code-to-digit-contain-only-digit [ +<a name="L1374"></a><span id="L1374" class="LineNr">1374 </span> <span class="Constant">local-scope</span> +<a name="L1375"></a><span id="L1375" class="LineNr">1375 </span> a:number <span class="Special"><-</span> copy<span class="Constant"> 48</span> <span class="Comment"># character code for '0'</span> +<a name="L1376"></a><span id="L1376" class="LineNr">1376 </span> run [ +<a name="L1377"></a><span id="L1377" class="LineNr">1377 </span> 10:number/<span class="Special">raw</span>, 11:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a +<a name="L1378"></a><span id="L1378" class="LineNr">1378 </span> ] +<a name="L1379"></a><span id="L1379" class="LineNr">1379 </span> memory-should-contain [ +<a name="L1380"></a><span id="L1380" class="LineNr">1380 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L1381"></a><span id="L1381" class="LineNr">1381 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no error</span> +<a name="L1382"></a><span id="L1382" class="LineNr">1382 </span> ] +<a name="L1383"></a><span id="L1383" class="LineNr">1383 </span>] +<a name="L1384"></a><span id="L1384" class="LineNr">1384 </span> +<a name="L1385"></a><span id="L1385" class="LineNr">1385 </span><span class="muScenario">scenario</span> character-code-to-digit-contain-only-digit-2 [ +<a name="L1386"></a><span id="L1386" class="LineNr">1386 </span> <span class="Constant">local-scope</span> +<a name="L1387"></a><span id="L1387" class="LineNr">1387 </span> a:number <span class="Special"><-</span> copy<span class="Constant"> 57</span> <span class="Comment"># character code for '9'</span> +<a name="L1388"></a><span id="L1388" class="LineNr">1388 </span> run [ +<a name="L1389"></a><span id="L1389" class="LineNr">1389 </span> 1:number/<span class="Special">raw</span>, 2:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a +<a name="L1390"></a><span id="L1390" class="LineNr">1390 </span> ] +<a name="L1391"></a><span id="L1391" class="LineNr">1391 </span> memory-should-contain [ +<a name="L1392"></a><span id="L1392" class="LineNr">1392 </span> <span class="Constant"> 1</span> <span class="Special"><-</span><span class="Constant"> 9</span> +<a name="L1393"></a><span id="L1393" class="LineNr">1393 </span> <span class="Constant"> 2</span> <span class="Special"><-</span><span class="Constant"> 0</span> <span class="Comment"># no error</span> +<a name="L1394"></a><span id="L1394" class="LineNr">1394 </span> ] +<a name="L1395"></a><span id="L1395" class="LineNr">1395 </span>] +<a name="L1396"></a><span id="L1396" class="LineNr">1396 </span> +<a name="L1397"></a><span id="L1397" class="LineNr">1397 </span><span class="muScenario">scenario</span> character-code-to-digit-handles-codes-lower-than-zero [ +<a name="L1398"></a><span id="L1398" class="LineNr">1398 </span> <span class="Constant">local-scope</span> +<a name="L1399"></a><span id="L1399" class="LineNr">1399 </span> a:number <span class="Special"><-</span> copy<span class="Constant"> 47</span> +<a name="L1400"></a><span id="L1400" class="LineNr">1400 </span> run [ +<a name="L1401"></a><span id="L1401" class="LineNr">1401 </span> 10:number/<span class="Special">raw</span>, 11:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a +<a name="L1402"></a><span id="L1402" class="LineNr">1402 </span> ] +<a name="L1403"></a><span id="L1403" class="LineNr">1403 </span> memory-should-contain [ +<a name="L1404"></a><span id="L1404" class="LineNr">1404 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L1405"></a><span id="L1405" class="LineNr">1405 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># error</span> +<a name="L1406"></a><span id="L1406" class="LineNr">1406 </span> ] +<a name="L1407"></a><span id="L1407" class="LineNr">1407 </span>] +<a name="L1408"></a><span id="L1408" class="LineNr">1408 </span> +<a name="L1409"></a><span id="L1409" class="LineNr">1409 </span><span class="muScenario">scenario</span> character-code-to-digit-handles-codes-larger-than-nine [ +<a name="L1410"></a><span id="L1410" class="LineNr">1410 </span> <span class="Constant">local-scope</span> +<a name="L1411"></a><span id="L1411" class="LineNr">1411 </span> a:number <span class="Special"><-</span> copy<span class="Constant"> 58</span> +<a name="L1412"></a><span id="L1412" class="LineNr">1412 </span> run [ +<a name="L1413"></a><span id="L1413" class="LineNr">1413 </span> 10:number/<span class="Special">raw</span>, 11:boolean/<span class="Special">raw</span> <span class="Special"><-</span> character-code-to-digit a +<a name="L1414"></a><span id="L1414" class="LineNr">1414 </span> ] +<a name="L1415"></a><span id="L1415" class="LineNr">1415 </span> memory-should-contain [ +<a name="L1416"></a><span id="L1416" class="LineNr">1416 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<a name="L1417"></a><span id="L1417" class="LineNr">1417 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> <span class="Comment"># error</span> +<a name="L1418"></a><span id="L1418" class="LineNr">1418 </span> ] +<a name="L1419"></a><span id="L1419" class="LineNr">1419 </span>] </pre> </body> </html> |