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Diffstat (limited to 'html/chessboard.mu.html')
| -rw-r--r-- | html/chessboard.mu.html | 1178 |
1 files changed, 601 insertions, 577 deletions
diff --git a/html/chessboard.mu.html b/html/chessboard.mu.html index 3a79e84f..11801e54 100644 --- a/html/chessboard.mu.html +++ b/html/chessboard.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"> <!-- @@ -17,9 +17,10 @@ body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color .muControl { color: #c0a020; } .Special { color: #c00000; } .Delimiter { color: #800080; } +.SalientComment { color: #00ffff; } .Comment { color: #9090ff; } .Constant { color: #00a0a0; } -.SalientComment { color: #00ffff; } +.LineNr { color: #444444; } .CommentedCode { color: #6c6c6c; } .muRecipe { color: #ff8700; } .muScenario { color: #00af00; } @@ -29,585 +30,608 @@ 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"># Chessboard program: you type in moves in algebraic notation, and it'll</span> -<span class="Comment"># display the position after each move.</span> - -<span class="muRecipe">def</span> main [ - <span class="Constant">local-scope</span> - open-console <span class="Comment"># take control of screen, keyboard and mouse</span> - - <span class="Comment"># The chessboard function takes keyboard and screen objects as 'ingredients'.</span> - <span class="Comment">#</span> - <span class="Comment"># In Mu it is good form (though not required) to explicitly state what</span> - <span class="Comment"># hardware a function needs.</span> - <span class="Comment">#</span> - <span class="Comment"># Here the console and screen are both 0, which usually indicates real</span> - <span class="Comment"># hardware rather than a fake for testing as you'll see below.</span> - chessboard <span class="Constant">0/screen</span>, <span class="Constant">0/console</span> - - close-console <span class="Comment"># clean up screen, keyboard and mouse</span> -] - -<span class="SalientComment">## But enough about Mu. Here's what it looks like to run the chessboard program.</span> - -<span class="muScenario">scenario</span> print-board-and-read-move [ - <span class="Constant">local-scope</span> - trace-until <span class="Constant">100/app</span> - <span class="Comment"># we'll make the screen really wide because the program currently prints out a long line</span> - assume-screen <span class="Constant">120/width</span>, <span class="Constant">20/height</span> - <span class="Comment"># initialize keyboard to type in a move</span> - assume-console [ - type <span class="Constant">[a2-a4</span> -<span class="Constant">]</span> - ] - run [ - screen:&:screen, console:&:console <span class="Special"><-</span> chessboard screen:&:screen, console:&:console - <span class="Comment"># icon for the cursor</span> - cursor-icon:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> - screen <span class="Special"><-</span> print screen, cursor-icon - ] - screen-should-contain [ - <span class="Comment"># 1 2 3 4 5 6 7 8 9 10 11</span> - <span class="Comment"># 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789</span> - <span class="Constant"> .Stupid text-mode chessboard. White pieces in uppercase; black pieces in lowercase. No checking for legal moves. .</span> - <span class="Constant"> . .</span> - <span class="Constant"> .8 | r n b q k b n r .</span> - <span class="Constant"> .7 | p p p p p p p p .</span> - <span class="Constant"> .6 | .</span> - <span class="Constant"> .5 | .</span> - <span class="Constant"> .4 | P .</span> - <span class="Constant"> .3 | .</span> - <span class="Constant"> .2 | P P P P P P P .</span> - <span class="Constant"> .1 | R N B Q K B N R .</span> - <span class="Constant"> . +---------------- .</span> - <span class="Constant"> . a b c d e f g h .</span> - <span class="Constant"> . .</span> - <span class="Constant"> .Type in your move as <from square>-<to square>. For example: 'a2-a4'. Then press <enter>. .</span> - <span class="Constant"> . .</span> - <span class="Constant"> .Hit 'q' to exit. .</span> - <span class="Constant"> . .</span> - <span class="Constant"> .move: ␣ .</span> - <span class="Constant"> . .</span> - <span class="Constant"> . .</span> - ] -] - -<span class="SalientComment">## Here's how 'chessboard' is implemented.</span> - -<span class="muData">type</span> board = &:@:&:@:char <span class="Comment"># a 2-D array of arrays of characters</span> - -<span class="muRecipe">def</span> chessboard screen:&:screen, console:&:console<span class="muRecipe"> -> </span>screen:&:screen, console:&:console [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - board:board <span class="Special"><-</span> initial-position - <span class="Comment"># hook up stdin</span> - stdin-in:&:source:char, stdin-out:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">10/capacity</span> - start-running send-keys-to-channel, console, stdin-out, screen - <span class="Comment"># buffer lines in stdin</span> - buffered-stdin-in:&:source:char, buffered-stdin-out:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">10/capacity</span> - start-running buffer-lines, stdin-in, buffered-stdin-out - <span class="Delimiter">{</span> - print screen, <span class="Constant">[Stupid text-mode chessboard. White pieces in uppercase; black pieces in lowercase. No checking for legal moves.</span> -<span class="Constant">]</span> - cursor-to-next-line screen - print-board screen, board - cursor-to-next-line screen - print screen, <span class="Constant">[Type in your move as <from square>-<to square>. For example: 'a2-a4'. Then press <enter>.</span> -<span class="Constant">]</span> - cursor-to-next-line screen - print screen <span class="Constant">[Hit 'q' to exit.</span> -<span class="Constant">]</span> - <span class="Delimiter">{</span> - cursor-to-next-line screen - screen <span class="Special"><-</span> print screen, <span class="Constant">[move: ]</span> - m:&:move, quit:bool, error:bool <span class="Special"><-</span> read-move buffered-stdin-in, screen - <span class="muControl">break-if</span> quit, <span class="Constant">+quit</span> - buffered-stdin-in <span class="Special"><-</span> clear buffered-stdin-in <span class="Comment"># cleanup after error. todo: test this?</span> - <span class="muControl">loop-if</span> error - <span class="Delimiter">}</span> - board <span class="Special"><-</span> make-move board, m - screen <span class="Special"><-</span> clear-screen screen - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -<span class="Constant"> +quit</span> -] - -<span class="SalientComment">## a board is an array of files, a file is an array of characters (squares)</span> - -<span class="muRecipe">def</span> new-board initial-position:&:@:char<span class="muRecipe"> -> </span>board:board [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - <span class="Comment"># assert(length(initial-position) == 64)</span> - len:num <span class="Special"><-</span> length *initial-position - correct-length?:bool <span class="Special"><-</span> equal len,<span class="Constant"> 64</span> - assert correct-length?, <span class="Constant">[chessboard had incorrect size]</span> - <span class="Comment"># board is an array of pointers to files; file is an array of characters</span> - board <span class="Special"><-</span> new <span class="Delimiter">{</span>(address array character): type<span class="Delimiter">}</span>,<span class="Constant"> 8</span> - col:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> equal col,<span class="Constant"> 8</span> - <span class="muControl">break-if</span> done? - file:&:@:char <span class="Special"><-</span> new-file initial-position, col - *board <span class="Special"><-</span> put-index *board, col, file - col <span class="Special"><-</span> add col,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muRecipe">def</span> new-file position:&:@:char, index:num<span class="muRecipe"> -> </span>result:&:@:char [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - index <span class="Special"><-</span> multiply index,<span class="Constant"> 8</span> - result <span class="Special"><-</span> new <span class="Constant">character:type</span>,<span class="Constant"> 8</span> - row:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> equal row,<span class="Constant"> 8</span> - <span class="muControl">break-if</span> done? - square:char <span class="Special"><-</span> index *position, index - *result <span class="Special"><-</span> put-index *result, row, square - row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> - index <span class="Special"><-</span> add index,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> -] - -<span class="muRecipe">def</span> print-board screen:&:screen, board:board<span class="muRecipe"> -> </span>screen:&:screen [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - row:num <span class="Special"><-</span> copy<span class="Constant"> 7</span> <span class="Comment"># start printing from the top of the board</span> - space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> - <span class="Comment"># print each row</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> lesser-than row,<span class="Constant"> 0</span> - <span class="muControl">break-if</span> done? - <span class="Comment"># print rank number as a legend</span> - rank:num <span class="Special"><-</span> add row,<span class="Constant"> 1</span> - print-integer screen, rank - print screen, <span class="Constant">[ | ]</span> - <span class="Comment"># print each square in the row</span> - col:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> - <span class="Delimiter">{</span> - done?:bool <span class="Special"><-</span> equal col:num,<span class="Constant"> 8</span> - <span class="muControl">break-if</span> done?:bool - f:&:@:char <span class="Special"><-</span> index *board, col - c:char <span class="Special"><-</span> index *f, row - print screen, c - print screen, space - col <span class="Special"><-</span> add col,<span class="Constant"> 1</span> - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - row <span class="Special"><-</span> subtract row,<span class="Constant"> 1</span> - cursor-to-next-line screen - <span class="muControl">loop</span> - <span class="Delimiter">}</span> - <span class="Comment"># print file letters as legend</span> - print screen, <span class="Constant">[ +----------------]</span> - cursor-to-next-line screen - print screen, <span class="Constant">[ a b c d e f g h]</span> - cursor-to-next-line screen -] - -<span class="muRecipe">def</span> initial-position<span class="muRecipe"> -> </span>board:board [ - <span class="Constant">local-scope</span> - <span class="Comment"># layout in memory (in raster order):</span> - <span class="Comment"># R P _ _ _ _ p r</span> - <span class="Comment"># N P _ _ _ _ p n</span> - <span class="Comment"># B P _ _ _ _ p b</span> - <span class="Comment"># Q P _ _ _ _ p q</span> - <span class="Comment"># K P _ _ _ _ p k</span> - <span class="Comment"># B P _ _ _ _ p B</span> - <span class="Comment"># N P _ _ _ _ p n</span> - <span class="Comment"># R P _ _ _ _ p r</span> - initial-position:&:@:char <span class="Special"><-</span> new-array <span class="Constant">82/R</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">114/r</span>, <span class="Constant">78/N</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">110/n</span>, <span class="Constant">66/B</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">98/b</span>, <span class="Constant">81/Q</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">113/q</span>, <span class="Constant">75/K</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">107/k</span>, <span class="Constant">66/B</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">98/b</span>, <span class="Constant">78/N</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">110/n</span>, <span class="Constant">82/R</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">114/r</span> -<span class="CommentedCode">#? 82/R, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 114/r,</span> -<span class="CommentedCode">#? 78/N, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 110/n,</span> -<span class="CommentedCode">#? 66/B, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 98/b, </span> -<span class="CommentedCode">#? 81/Q, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 113/q,</span> -<span class="CommentedCode">#? 75/K, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 107/k,</span> -<span class="CommentedCode">#? 66/B, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 98/b,</span> -<span class="CommentedCode">#? 78/N, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 110/n,</span> -<span class="CommentedCode">#? 82/R, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 114/r</span> - board <span class="Special"><-</span> new-board initial-position -] - -<span class="muScenario">scenario</span> printing-the-board [ - <span class="Constant">local-scope</span> - board:board <span class="Special"><-</span> initial-position - assume-screen <span class="Constant">30/width</span>, <span class="Constant">12/height</span> - run [ - screen:&:screen <span class="Special"><-</span> print-board screen:&:screen, board - ] - screen-should-contain [ - <span class="Comment"># 012345678901234567890123456789</span> - <span class="Constant"> .8 | r n b q k b n r .</span> - <span class="Constant"> .7 | p p p p p p p p .</span> - <span class="Constant"> .6 | .</span> - <span class="Constant"> .5 | .</span> - <span class="Constant"> .4 | .</span> - <span class="Constant"> .3 | .</span> - <span class="Constant"> .2 | P P P P P P P P .</span> - <span class="Constant"> .1 | R N B Q K B N R .</span> - <span class="Constant"> . +---------------- .</span> - <span class="Constant"> . a b c d e f g h .</span> - <span class="Constant"> . .</span> - <span class="Constant"> . .</span> - ] -] - -<span class="SalientComment">## data structure: move</span> - -<span class="muData">container</span> move [ - <span class="Comment"># valid range: 0-7</span> - from-file:num - from-rank:num - to-file:num - to-rank:num -] - -<span class="Comment"># prints only error messages to screen</span> -<span class="muRecipe">def</span> read-move stdin:&:source:char, screen:&:screen<span class="muRecipe"> -> </span>result:&:move, quit?:bool, error?:bool, stdin:&:source:char, screen:&:screen [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - from-file:num, quit?:bool, error?:bool <span class="Special"><-</span> read-file stdin, screen - <span class="muControl">return-if</span> quit?, <span class="Constant">0/dummy</span> - <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span> - <span class="Comment"># construct the move object</span> - result:&:move <span class="Special"><-</span> new <span class="Constant">move:type</span> - *result <span class="Special"><-</span> put *result, <span class="Constant">from-file:offset</span>, from-file - from-rank:num, quit?, error? <span class="Special"><-</span> read-rank stdin, screen - <span class="muControl">return-if</span> quit?, <span class="Constant">0/dummy</span> - <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span> - *result <span class="Special"><-</span> put *result, <span class="Constant">from-rank:offset</span>, from-rank - error? <span class="Special"><-</span> expect-from-channel stdin, <span class="Constant">45/dash</span>, screen - <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span> - to-file:num, quit?, error? <span class="Special"><-</span> read-file stdin, screen - <span class="muControl">return-if</span> quit?:bool, <span class="Constant">0/dummy</span> - <span class="muControl">return-if</span> error?:bool, <span class="Constant">0/dummy</span> - *result <span class="Special"><-</span> put *result, <span class="Constant">to-file:offset</span>, to-file - to-rank:num, quit?, error? <span class="Special"><-</span> read-rank stdin, screen - <span class="muControl">return-if</span> quit?, <span class="Constant">0/dummy</span> - <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span> - *result <span class="Special"><-</span> put *result, <span class="Constant">to-rank:offset</span>, to-rank - error? <span class="Special"><-</span> expect-from-channel stdin, <span class="Constant">10/newline</span>, screen - <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span> -] - -<span class="Comment"># valid values for file: 0-7</span> -<span class="muRecipe">def</span> read-file stdin:&:source:char, screen:&:screen<span class="muRecipe"> -> </span>file:num, quit:bool, error:bool, stdin:&:source:char, screen:&:screen [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - c:char, eof?:bool, stdin <span class="Special"><-</span> read stdin - <span class="muControl">return-if</span> eof?, <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> - <span class="Delimiter">{</span> - q-pressed?:bool <span class="Special"><-</span> equal c, <span class="Constant">81/Q</span> - <span class="muControl">break-unless</span> q-pressed? - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - q-pressed? <span class="Special"><-</span> equal c, <span class="Constant">113/q</span> - <span class="muControl">break-unless</span> q-pressed? - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - empty-fake-keyboard?:bool <span class="Special"><-</span> equal c, <span class="Constant">0/eof</span> - <span class="muControl">break-unless</span> empty-fake-keyboard? - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> - <span class="muControl">break-unless</span> newline? - print screen, <span class="Constant">[that's not enough]</span> - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> - <span class="Delimiter">}</span> - file:num <span class="Special"><-</span> subtract c, <span class="Constant">97/a</span> - <span class="Comment"># 'a' <= file <= 'h'</span> - <span class="Delimiter">{</span> - above-min:bool <span class="Special"><-</span> greater-or-equal file,<span class="Constant"> 0</span> - <span class="muControl">break-if</span> above-min - print screen, <span class="Constant">[file too low: ]</span> - print screen, c - cursor-to-next-line screen - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - below-max:bool <span class="Special"><-</span> lesser-than file,<span class="Constant"> 8</span> - <span class="muControl">break-if</span> below-max - print screen, <span class="Constant">[file too high: ]</span> - print screen, c - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> - <span class="Delimiter">}</span> - <span class="muControl">return</span> file, <span class="Constant">0/quit</span>, <span class="Constant">0/error</span> -] - -<span class="Comment"># valid values for rank: 0-7</span> -<span class="muRecipe">def</span> read-rank stdin:&:source:char, screen:&:screen<span class="muRecipe"> -> </span>rank:num, quit?:bool, error?:bool, stdin:&:source:char, screen:&:screen [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - c:char, eof?:bool, stdin <span class="Special"><-</span> read stdin - <span class="muControl">return-if</span> eof?, <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> - <span class="Delimiter">{</span> - q-pressed?:bool <span class="Special"><-</span> equal c, <span class="Constant">8/Q</span> - <span class="muControl">break-unless</span> q-pressed? - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - q-pressed? <span class="Special"><-</span> equal c, <span class="Constant">113/q</span> - <span class="muControl">break-unless</span> q-pressed? - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - newline?:bool <span class="Special"><-</span> equal c,<span class="Constant"> 10</span> <span class="Comment"># newline</span> - <span class="muControl">break-unless</span> newline? - print screen, <span class="Constant">[that's not enough]</span> - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> - <span class="Delimiter">}</span> - rank:num <span class="Special"><-</span> subtract c, <span class="Constant">49/'1'</span> - <span class="Comment"># assert'1' <= rank <= '8'</span> - <span class="Delimiter">{</span> - above-min:bool <span class="Special"><-</span> greater-or-equal rank,<span class="Constant"> 0</span> - <span class="muControl">break-if</span> above-min - print screen, <span class="Constant">[rank too low: ]</span> - print screen, c - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> - <span class="Delimiter">}</span> - <span class="Delimiter">{</span> - below-max:bool <span class="Special"><-</span> lesser-or-equal rank,<span class="Constant"> 7</span> - <span class="muControl">break-if</span> below-max - print screen, <span class="Constant">[rank too high: ]</span> - print screen, c - <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> - <span class="Delimiter">}</span> - <span class="muControl">return</span> rank, <span class="Constant">0/quit</span>, <span class="Constant">0/error</span> -] - -<span class="Comment"># read a character from the given channel and check that it's what we expect</span> -<span class="Comment"># return true on error</span> -<span class="muRecipe">def</span> expect-from-channel stdin:&:source:char, expected:char, screen:&:screen<span class="muRecipe"> -> </span>result:bool, stdin:&:source:char, screen:&:screen [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - c:char, eof?:bool, stdin <span class="Special"><-</span> read stdin - <span class="muControl">return-if</span> eof? <span class="Constant">1/true</span> - <span class="Delimiter">{</span> - match?:bool <span class="Special"><-</span> equal c, expected - <span class="muControl">break-if</span> match? - print screen, <span class="Constant">[expected character not found]</span> - <span class="Delimiter">}</span> - result <span class="Special"><-</span> not match? -] - -<span class="muScenario">scenario</span> read-move-blocking [ - <span class="Constant">local-scope</span> - assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> - source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> - read-move-routine:num/routine <span class="Special"><-</span> start-running read-move, source, screen:&:screen - run [ - <span class="Comment"># 'read-move' is waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state:num <span class="Special"><-</span> routine-state read-move-routine - waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-blocking: routine failed to pause after coming up (before any keys were pressed)]</span> - <span class="Comment"># press 'a'</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> - restart read-move-routine - <span class="Comment"># 'read-move' still waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state <span class="Special"><-</span> routine-state read-move-routine - waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-blocking: routine failed to pause after rank 'a']</span> - <span class="Comment"># press '2'</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">50/'2'</span> - restart read-move-routine - <span class="Comment"># 'read-move' still waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state <span class="Special"><-</span> routine-state read-move-routine - waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-blocking: routine failed to pause after file 'a2']</span> - <span class="Comment"># press '-'</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">45/'-'</span> - restart read-move-routine - <span class="Comment"># 'read-move' still waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state <span class="Special"><-</span> routine-state read-move-routine - waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-blocking: routine failed to pause after hyphen 'a2-']</span> - <span class="Comment"># press 'a'</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> - restart read-move-routine - <span class="Comment"># 'read-move' still waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state <span class="Special"><-</span> routine-state read-move-routine - waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-blocking: routine failed to pause after rank 'a2-a']</span> - <span class="Comment"># press '4'</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">52/'4'</span> - restart read-move-routine - <span class="Comment"># 'read-move' still waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state <span class="Special"><-</span> routine-state read-move-routine - waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-blocking: routine failed to pause after file 'a2-a4']</span> - <span class="Comment"># press 'newline'</span> - sink <span class="Special"><-</span> write sink,<span class="Constant"> 10</span> <span class="Comment"># newline</span> - restart read-move-routine - <span class="Comment"># 'read-move' now completes</span> - wait-for-routine-to-block read-move-routine - read-move-state <span class="Special"><-</span> routine-state read-move-routine - completed?:bool <span class="Special"><-</span> equal read-move-state, <span class="Constant">1/completed</span> - assert completed?, <span class="Constant">[ </span> -<span class="Constant">F read-move-blocking: routine failed to terminate on newline]</span> - trace<span class="Constant"> 1</span>, <span class="Constant">[test]</span>, <span class="Constant">[reached end]</span> - ] - trace-should-contain [ - test: reached end - ] -] - -<span class="muScenario">scenario</span> read-move-quit [ - <span class="Constant">local-scope</span> - assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> - source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> - read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen - run [ - <span class="Comment"># 'read-move' is waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state:num <span class="Special"><-</span> routine-state read-move-routine - waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-quit: routine failed to pause after coming up (before any keys were pressed)]</span> - <span class="Comment"># press 'q'</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">113/q</span> - restart read-move-routine - <span class="Comment"># 'read-move' completes</span> - wait-for-routine-to-block read-move-routine - read-move-state <span class="Special"><-</span> routine-state read-move-routine - completed?:bool <span class="Special"><-</span> equal read-move-state, <span class="Constant">1/completed</span> - assert completed?, <span class="Constant">[ </span> -<span class="Constant">F read-move-quit: routine failed to terminate on 'q']</span> - trace<span class="Constant"> 1</span>, <span class="Constant">[test]</span>, <span class="Constant">[reached end]</span> - ] - trace-should-contain [ - test: reached end - ] -] - -<span class="muScenario">scenario</span> read-move-illegal-file [ - <span class="Constant">local-scope</span> - assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> - source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> - read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen - run [ - <span class="Comment"># 'read-move' is waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state:num <span class="Special"><-</span> routine-state read-move-routine - waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-illegal-file: routine failed to pause after coming up (before any keys were pressed)]</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">50/'2'</span> - restart read-move-routine - wait-for-routine-to-block read-move-routine - ] - screen-should-contain [ - <span class="Constant"> .file too low: 2 .</span> - <span class="Constant"> . .</span> - ] -] - -<span class="muScenario">scenario</span> read-move-illegal-rank [ - <span class="Constant">local-scope</span> - assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> - source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> - read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen - run [ - <span class="Comment"># 'read-move' is waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state:num <span class="Special"><-</span> routine-state read-move-routine - waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-illegal-rank: routine failed to pause after coming up (before any keys were pressed)]</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> - restart read-move-routine - wait-for-routine-to-block read-move-routine - ] - screen-should-contain [ - <span class="Constant"> .rank too high: a .</span> - <span class="Constant"> . .</span> - ] -] - -<span class="muScenario">scenario</span> read-move-empty [ - <span class="Constant">local-scope</span> - assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> - source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> - read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen - run [ - <span class="Comment"># 'read-move' is waiting for input</span> - wait-for-routine-to-block read-move-routine - read-move-state:num <span class="Special"><-</span> routine-state read-move-routine - waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> - assert waiting?, <span class="Constant">[ </span> -<span class="Constant">F read-move-empty: routine failed to pause after coming up (before any keys were pressed)]</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">10/newline</span> - sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> - restart read-move-routine - wait-for-routine-to-block read-move-routine - ] - screen-should-contain [ - <span class="Constant"> .that's not enough .</span> - <span class="Constant"> . .</span> - ] -] - -<span class="muRecipe">def</span> make-move board:board, m:&:move<span class="muRecipe"> -> </span>board:board [ - <span class="Constant">local-scope</span> - <span class="Constant">load-ingredients</span> - from-file:num <span class="Special"><-</span> get *m, <span class="Constant">from-file:offset</span> - from-rank:num <span class="Special"><-</span> get *m, <span class="Constant">from-rank:offset</span> - to-file:num <span class="Special"><-</span> get *m, <span class="Constant">to-file:offset</span> - to-rank:num <span class="Special"><-</span> get *m, <span class="Constant">to-rank:offset</span> - from-f:&:@:char <span class="Special"><-</span> index *board, from-file - to-f:&:@:char <span class="Special"><-</span> index *board, to-file - src:char/square <span class="Special"><-</span> index *from-f, from-rank - *to-f <span class="Special"><-</span> put-index *to-f, to-rank, src - *from-f <span class="Special"><-</span> put-index *from-f, from-rank, <span class="Constant">32/space</span> -] - -<span class="muScenario">scenario</span> making-a-move [ - <span class="Constant">local-scope</span> - assume-screen <span class="Constant">30/width</span>, <span class="Constant">12/height</span> - board:board <span class="Special"><-</span> initial-position - move:&:move <span class="Special"><-</span> new <span class="Constant">move:type</span> - *move <span class="Special"><-</span> merge <span class="Constant">6/g</span>, <span class="Constant">1/'2'</span>, <span class="Constant">6/g</span>, <span class="Constant">3/'4'</span> - run [ - board <span class="Special"><-</span> make-move board, move - screen:&:screen <span class="Special"><-</span> print-board screen:&:screen, board - ] - screen-should-contain [ - <span class="Comment"># 012345678901234567890123456789</span> - <span class="Constant"> .8 | r n b q k b n r .</span> - <span class="Constant"> .7 | p p p p p p p p .</span> - <span class="Constant"> .6 | .</span> - <span class="Constant"> .5 | .</span> - <span class="Constant"> .4 | P .</span> - <span class="Constant"> .3 | .</span> - <span class="Constant"> .2 | P P P P P P P .</span> - <span class="Constant"> .1 | R N B Q K B N R .</span> - <span class="Constant"> . +---------------- .</span> - <span class="Constant"> . a b c d e f g h .</span> - <span class="Constant"> . .</span> - ] -] +<a name="L1"></a><span id="L1" class="LineNr"> 1 </span><span class="Comment"># Chessboard program: you type in moves in algebraic notation, and it'll</span> +<a name="L2"></a><span id="L2" class="LineNr"> 2 </span><span class="Comment"># display the position after each move.</span> +<a name="L3"></a><span id="L3" class="LineNr"> 3 </span> +<a name="L4"></a><span id="L4" class="LineNr"> 4 </span><span class="muRecipe">def</span> main [ +<a name="L5"></a><span id="L5" class="LineNr"> 5 </span> <span class="Constant">local-scope</span> +<a name="L6"></a><span id="L6" class="LineNr"> 6 </span> open-console <span class="Comment"># take control of screen, keyboard and mouse</span> +<a name="L7"></a><span id="L7" class="LineNr"> 7 </span> +<a name="L8"></a><span id="L8" class="LineNr"> 8 </span> <span class="Comment"># The chessboard function takes keyboard and screen objects as 'ingredients'.</span> +<a name="L9"></a><span id="L9" class="LineNr"> 9 </span> <span class="Comment">#</span> +<a name="L10"></a><span id="L10" class="LineNr"> 10 </span> <span class="Comment"># In Mu it is good form (though not required) to explicitly state what</span> +<a name="L11"></a><span id="L11" class="LineNr"> 11 </span> <span class="Comment"># hardware a function needs.</span> +<a name="L12"></a><span id="L12" class="LineNr"> 12 </span> <span class="Comment">#</span> +<a name="L13"></a><span id="L13" class="LineNr"> 13 </span> <span class="Comment"># Here the console and screen are both 0, which usually indicates real</span> +<a name="L14"></a><span id="L14" class="LineNr"> 14 </span> <span class="Comment"># hardware rather than a fake for testing as you'll see below.</span> +<a name="L15"></a><span id="L15" class="LineNr"> 15 </span> chessboard <span class="Constant">0/screen</span>, <span class="Constant">0/console</span> +<a name="L16"></a><span id="L16" class="LineNr"> 16 </span> +<a name="L17"></a><span id="L17" class="LineNr"> 17 </span> close-console <span class="Comment"># clean up screen, keyboard and mouse</span> +<a name="L18"></a><span id="L18" class="LineNr"> 18 </span>] +<a name="L19"></a><span id="L19" class="LineNr"> 19 </span> +<a name="L20"></a><span id="L20" class="LineNr"> 20 </span><span class="SalientComment">## But enough about Mu. Here's what it looks like to run the chessboard program.</span> +<a name="L21"></a><span id="L21" class="LineNr"> 21 </span> +<a name="L22"></a><span id="L22" class="LineNr"> 22 </span><span class="muScenario">scenario</span> print-board-and-read-move [ +<a name="L23"></a><span id="L23" class="LineNr"> 23 </span> <span class="Constant">local-scope</span> +<a name="L24"></a><span id="L24" class="LineNr"> 24 </span> trace-until <span class="Constant">100/app</span> +<a name="L25"></a><span id="L25" class="LineNr"> 25 </span> <span class="Comment"># we'll make the screen really wide because the program currently prints out a long line</span> +<a name="L26"></a><span id="L26" class="LineNr"> 26 </span> assume-screen <span class="Constant">120/width</span>, <span class="Constant">20/height</span> +<a name="L27"></a><span id="L27" class="LineNr"> 27 </span> <span class="Comment"># initialize keyboard to type in a move</span> +<a name="L28"></a><span id="L28" class="LineNr"> 28 </span> assume-console [ +<a name="L29"></a><span id="L29" class="LineNr"> 29 </span> type <span class="Constant">[a2-a4</span> +<a name="L30"></a><span id="L30" class="LineNr"> 30 </span><span class="Constant">]</span> +<a name="L31"></a><span id="L31" class="LineNr"> 31 </span> ] +<a name="L32"></a><span id="L32" class="LineNr"> 32 </span> run [ +<a name="L33"></a><span id="L33" class="LineNr"> 33 </span> screen:&:screen, console:&:console <span class="Special"><-</span> chessboard screen:&:screen, console:&:console +<a name="L34"></a><span id="L34" class="LineNr"> 34 </span> <span class="Comment"># icon for the cursor</span> +<a name="L35"></a><span id="L35" class="LineNr"> 35 </span> cursor-icon:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span> +<a name="L36"></a><span id="L36" class="LineNr"> 36 </span> screen <span class="Special"><-</span> print screen, cursor-icon +<a name="L37"></a><span id="L37" class="LineNr"> 37 </span> ] +<a name="L38"></a><span id="L38" class="LineNr"> 38 </span> screen-should-contain [ +<a name="L39"></a><span id="L39" class="LineNr"> 39 </span> <span class="Comment"># 1 2 3 4 5 6 7 8 9 10 11</span> +<a name="L40"></a><span id="L40" class="LineNr"> 40 </span> <span class="Comment"># 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789</span> +<a name="L41"></a><span id="L41" class="LineNr"> 41 </span> <span class="Constant"> .Stupid text-mode chessboard. White pieces in uppercase; black pieces in lowercase. No checking for legal moves. .</span> +<a name="L42"></a><span id="L42" class="LineNr"> 42 </span> <span class="Constant"> . .</span> +<a name="L43"></a><span id="L43" class="LineNr"> 43 </span> <span class="Constant"> .8 | r n b q k b n r .</span> +<a name="L44"></a><span id="L44" class="LineNr"> 44 </span> <span class="Constant"> .7 | p p p p p p p p .</span> +<a name="L45"></a><span id="L45" class="LineNr"> 45 </span> <span class="Constant"> .6 | .</span> +<a name="L46"></a><span id="L46" class="LineNr"> 46 </span> <span class="Constant"> .5 | .</span> +<a name="L47"></a><span id="L47" class="LineNr"> 47 </span> <span class="Constant"> .4 | P .</span> +<a name="L48"></a><span id="L48" class="LineNr"> 48 </span> <span class="Constant"> .3 | .</span> +<a name="L49"></a><span id="L49" class="LineNr"> 49 </span> <span class="Constant"> .2 | P P P P P P P .</span> +<a name="L50"></a><span id="L50" class="LineNr"> 50 </span> <span class="Constant"> .1 | R N B Q K B N R .</span> +<a name="L51"></a><span id="L51" class="LineNr"> 51 </span> <span class="Constant"> . +---------------- .</span> +<a name="L52"></a><span id="L52" class="LineNr"> 52 </span> <span class="Constant"> . a b c d e f g h .</span> +<a name="L53"></a><span id="L53" class="LineNr"> 53 </span> <span class="Constant"> . .</span> +<a name="L54"></a><span id="L54" class="LineNr"> 54 </span> <span class="Constant"> .Type in your move as <from square>-<to square>. For example: 'a2-a4'. Then press <enter>. .</span> +<a name="L55"></a><span id="L55" class="LineNr"> 55 </span> <span class="Constant"> . .</span> +<a name="L56"></a><span id="L56" class="LineNr"> 56 </span> <span class="Constant"> .Hit 'q' to exit. .</span> +<a name="L57"></a><span id="L57" class="LineNr"> 57 </span> <span class="Constant"> . .</span> +<a name="L58"></a><span id="L58" class="LineNr"> 58 </span> <span class="Constant"> .move: ␣ .</span> +<a name="L59"></a><span id="L59" class="LineNr"> 59 </span> <span class="Constant"> . .</span> +<a name="L60"></a><span id="L60" class="LineNr"> 60 </span> <span class="Constant"> . .</span> +<a name="L61"></a><span id="L61" class="LineNr"> 61 </span> ] +<a name="L62"></a><span id="L62" class="LineNr"> 62 </span>] +<a name="L63"></a><span id="L63" class="LineNr"> 63 </span> +<a name="L64"></a><span id="L64" class="LineNr"> 64 </span><span class="SalientComment">## Here's how 'chessboard' is implemented.</span> +<a name="L65"></a><span id="L65" class="LineNr"> 65 </span> +<a name="L66"></a><span id="L66" class="LineNr"> 66 </span><span class="muData">type</span> board = &:@:&:@:char <span class="Comment"># a 2-D array of arrays of characters</span> +<a name="L67"></a><span id="L67" class="LineNr"> 67 </span> +<a name="L68"></a><span id="L68" class="LineNr"> 68 </span><span class="muRecipe">def</span> chessboard screen:&:screen, console:&:console<span class="muRecipe"> -> </span>screen:&:screen, console:&:console [ +<a name="L69"></a><span id="L69" class="LineNr"> 69 </span> <span class="Constant">local-scope</span> +<a name="L70"></a><span id="L70" class="LineNr"> 70 </span> <span class="Constant">load-ingredients</span> +<a name="L71"></a><span id="L71" class="LineNr"> 71 </span> board:board <span class="Special"><-</span> initial-position +<a name="L72"></a><span id="L72" class="LineNr"> 72 </span> <span class="Comment"># hook up stdin</span> +<a name="L73"></a><span id="L73" class="LineNr"> 73 </span> stdin-in:&:source:char, stdin-out:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">10/capacity</span> +<a name="L74"></a><span id="L74" class="LineNr"> 74 </span> start-running send-keys-to-channel, console, stdin-out, screen +<a name="L75"></a><span id="L75" class="LineNr"> 75 </span> <span class="Comment"># buffer lines in stdin</span> +<a name="L76"></a><span id="L76" class="LineNr"> 76 </span> buffered-stdin-in:&:source:char, buffered-stdin-out:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">10/capacity</span> +<a name="L77"></a><span id="L77" class="LineNr"> 77 </span> start-running buffer-lines, stdin-in, buffered-stdin-out +<a name="L78"></a><span id="L78" class="LineNr"> 78 </span> <span class="Delimiter">{</span> +<a name="L79"></a><span id="L79" class="LineNr"> 79 </span> print screen, <span class="Constant">[Stupid text-mode chessboard. White pieces in uppercase; black pieces in lowercase. No checking for legal moves.</span> +<a name="L80"></a><span id="L80" class="LineNr"> 80 </span><span class="Constant">]</span> +<a name="L81"></a><span id="L81" class="LineNr"> 81 </span> cursor-to-next-line screen +<a name="L82"></a><span id="L82" class="LineNr"> 82 </span> print-board screen, board +<a name="L83"></a><span id="L83" class="LineNr"> 83 </span> cursor-to-next-line screen +<a name="L84"></a><span id="L84" class="LineNr"> 84 </span> print screen, <span class="Constant">[Type in your move as <from square>-<to square>. For example: 'a2-a4'. Then press <enter>.</span> +<a name="L85"></a><span id="L85" class="LineNr"> 85 </span><span class="Constant">]</span> +<a name="L86"></a><span id="L86" class="LineNr"> 86 </span> cursor-to-next-line screen +<a name="L87"></a><span id="L87" class="LineNr"> 87 </span> print screen <span class="Constant">[Hit 'q' to exit.</span> +<a name="L88"></a><span id="L88" class="LineNr"> 88 </span><span class="Constant">]</span> +<a name="L89"></a><span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">{</span> +<a name="L90"></a><span id="L90" class="LineNr"> 90 </span> cursor-to-next-line screen +<a name="L91"></a><span id="L91" class="LineNr"> 91 </span> screen <span class="Special"><-</span> print screen, <span class="Constant">[move: ]</span> +<a name="L92"></a><span id="L92" class="LineNr"> 92 </span> m:&:move, quit:bool, error:bool <span class="Special"><-</span> read-move buffered-stdin-in, screen +<a name="L93"></a><span id="L93" class="LineNr"> 93 </span> <span class="muControl">break-if</span> quit, <span class="Constant">+quit</span> +<a name="L94"></a><span id="L94" class="LineNr"> 94 </span> buffered-stdin-in <span class="Special"><-</span> clear buffered-stdin-in <span class="Comment"># cleanup after error. todo: test this?</span> +<a name="L95"></a><span id="L95" class="LineNr"> 95 </span> <span class="muControl">loop-if</span> error +<a name="L96"></a><span id="L96" class="LineNr"> 96 </span> <span class="Delimiter">}</span> +<a name="L97"></a><span id="L97" class="LineNr"> 97 </span> board <span class="Special"><-</span> make-move board, m +<a name="L98"></a><span id="L98" class="LineNr"> 98 </span> screen <span class="Special"><-</span> clear-screen screen +<a name="L99"></a><span id="L99" class="LineNr"> 99 </span> <span class="muControl">loop</span> +<a name="L100"></a><span id="L100" class="LineNr">100 </span> <span class="Delimiter">}</span> +<a name="L101"></a><span id="L101" class="LineNr">101 </span><span class="Constant"> +quit</span> +<a name="L102"></a><span id="L102" class="LineNr">102 </span>] +<a name="L103"></a><span id="L103" class="LineNr">103 </span> +<a name="L104"></a><span id="L104" class="LineNr">104 </span><span class="SalientComment">## a board is an array of files, a file is an array of characters (squares)</span> +<a name="L105"></a><span id="L105" class="LineNr">105 </span> +<a name="L106"></a><span id="L106" class="LineNr">106 </span><span class="muRecipe">def</span> new-board initial-position:&:@:char<span class="muRecipe"> -> </span>board:board [ +<a name="L107"></a><span id="L107" class="LineNr">107 </span> <span class="Constant">local-scope</span> +<a name="L108"></a><span id="L108" class="LineNr">108 </span> <span class="Constant">load-ingredients</span> +<a name="L109"></a><span id="L109" class="LineNr">109 </span> <span class="Comment"># assert(length(initial-position) == 64)</span> +<a name="L110"></a><span id="L110" class="LineNr">110 </span> len:num <span class="Special"><-</span> length *initial-position +<a name="L111"></a><span id="L111" class="LineNr">111 </span> correct-length?:bool <span class="Special"><-</span> equal len,<span class="Constant"> 64</span> +<a name="L112"></a><span id="L112" class="LineNr">112 </span> assert correct-length?, <span class="Constant">[chessboard had incorrect size]</span> +<a name="L113"></a><span id="L113" class="LineNr">113 </span> <span class="Comment"># board is an array of pointers to files; file is an array of characters</span> +<a name="L114"></a><span id="L114" class="LineNr">114 </span> board <span class="Special"><-</span> new <span class="Delimiter">{</span>(address array character): type<span class="Delimiter">}</span>,<span class="Constant"> 8</span> +<a name="L115"></a><span id="L115" class="LineNr">115 </span> col:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L116"></a><span id="L116" class="LineNr">116 </span> <span class="Delimiter">{</span> +<a name="L117"></a><span id="L117" class="LineNr">117 </span> done?:bool <span class="Special"><-</span> equal col,<span class="Constant"> 8</span> +<a name="L118"></a><span id="L118" class="LineNr">118 </span> <span class="muControl">break-if</span> done? +<a name="L119"></a><span id="L119" class="LineNr">119 </span> file:&:@:char <span class="Special"><-</span> new-file initial-position, col +<a name="L120"></a><span id="L120" class="LineNr">120 </span> *board <span class="Special"><-</span> put-index *board, col, file +<a name="L121"></a><span id="L121" class="LineNr">121 </span> col <span class="Special"><-</span> add col,<span class="Constant"> 1</span> +<a name="L122"></a><span id="L122" class="LineNr">122 </span> <span class="muControl">loop</span> +<a name="L123"></a><span id="L123" class="LineNr">123 </span> <span class="Delimiter">}</span> +<a name="L124"></a><span id="L124" class="LineNr">124 </span>] +<a name="L125"></a><span id="L125" class="LineNr">125 </span> +<a name="L126"></a><span id="L126" class="LineNr">126 </span><span class="muRecipe">def</span> new-file position:&:@:char, index:num<span class="muRecipe"> -> </span>result:&:@:char [ +<a name="L127"></a><span id="L127" class="LineNr">127 </span> <span class="Constant">local-scope</span> +<a name="L128"></a><span id="L128" class="LineNr">128 </span> <span class="Constant">load-ingredients</span> +<a name="L129"></a><span id="L129" class="LineNr">129 </span> index <span class="Special"><-</span> multiply index,<span class="Constant"> 8</span> +<a name="L130"></a><span id="L130" class="LineNr">130 </span> result <span class="Special"><-</span> new <span class="Constant">character:type</span>,<span class="Constant"> 8</span> +<a name="L131"></a><span id="L131" class="LineNr">131 </span> row:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<a name="L132"></a><span id="L132" class="LineNr">132 </span> <span class="Delimiter">{</span> +<a name="L133"></a><span id="L133" class="LineNr">133 </span> done?:bool <span class="Special"><-</span> equal row,<span class="Constant"> 8</span> +<a name="L134"></a><span id="L134" class="LineNr">134 </span> <span class="muControl">break-if</span> done? +<a name="L135"></a><span id="L135" class="LineNr">135 </span> square:char <span class="Special"><-</span> index *position, index +<a name="L136"></a><span id="L136" class="LineNr">136 </span> *result <span class="Special"><-</span> put-index *result, row, square +<a name="L137"></a><span id="L137" class="LineNr">137 </span> row <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<a name="L138"></a><span id="L138" class="LineNr">138 </span> index <span class="Special"><-</span> add index,<span class="Constant"> 1</span> +<a name="L139"></a><span id="L139" class="LineNr">139 </span> <span class="muControl">loop</span> +<a name="L140"></a><span id="L140" class="LineNr">140 </span> <span class="Delimiter">}</span> +<a name="L141"></a><span id="L141" class="LineNr">141 </span>] +<a name="L142"></a><span id="L142" class="LineNr">142 </span> +<a name="L143"></a><span id="L143" class="LineNr">143 </span><span class="muRecipe">def</span> print-board screen:&:screen, board:board<span class="muRecipe"> -> </span>screen:&:screen [ +<a name="L144"></a><span id="L144" class="LineNr">144 </span> <span class="Constant">local-scope</span> +<a name="L145"></a><span id="L145" class="LineNr">145 </span> <span class="Constant">load-ingredients</span> +<a name="L146"></a><span id="L146" class="LineNr">146 </span> row:num <span class="Special"><-</span> copy<span class="Constant"> 7</span> <span class="Comment"># start printing from the top of the board</span> +<a name="L147"></a><span id="L147" class="LineNr">147 </span> space:char <span class="Special"><-</span> copy <span class="Constant">32/space</span> +<a name="L148"></a><span id="L148" class="LineNr">148 </span> <span class="Comment"># print each row</span> +<a name="L149"></a><span id="L149" class="LineNr">149 </span> <span class="Delimiter">{</span> +<a name="L150"></a><span id="L150" class="LineNr">150 </span> done?:bool <span class="Special"><-</span> lesser-than row,<span class="Constant"> 0</span> +<a name="L151"></a><span id="L151" class="LineNr">151 </span> <span class="muControl">break-if</span> done? +<a name="L152"></a><span id="L152" class="LineNr">152 </span> <span class="Comment"># print rank number as a legend</span> +<a name="L153"></a><span id="L153" class="LineNr">153 </span> rank:num <span class="Special"><-</span> add row,<span class="Constant"> 1</span> +<a name="L154"></a><span id="L154" class="LineNr">154 </span> print-integer screen, rank +<a name="L155"></a><span id="L155" class="LineNr">155 </span> print screen, <span class="Constant">[ | ]</span> +<a name="L156"></a><span id="L156" class="LineNr">156 </span> <span class="Comment"># print each square in the row</span> +<a name="L157"></a><span id="L157" class="LineNr">157 </span> col: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> equal col:num,<span class="Constant"> 8</span> +<a name="L160"></a><span id="L160" class="LineNr">160 </span> <span class="muControl">break-if</span> done?:bool +<a name="L161"></a><span id="L161" class="LineNr">161 </span> f:&:@:char <span class="Special"><-</span> index *board, col +<a name="L162"></a><span id="L162" class="LineNr">162 </span> c:char <span class="Special"><-</span> index *f, row +<a name="L163"></a><span id="L163" class="LineNr">163 </span> print screen, c +<a name="L164"></a><span id="L164" class="LineNr">164 </span> print screen, space +<a name="L165"></a><span id="L165" class="LineNr">165 </span> col <span class="Special"><-</span> add col,<span class="Constant"> 1</span> +<a name="L166"></a><span id="L166" class="LineNr">166 </span> <span class="muControl">loop</span> +<a name="L167"></a><span id="L167" class="LineNr">167 </span> <span class="Delimiter">}</span> +<a name="L168"></a><span id="L168" class="LineNr">168 </span> row <span class="Special"><-</span> subtract row,<span class="Constant"> 1</span> +<a name="L169"></a><span id="L169" class="LineNr">169 </span> cursor-to-next-line screen +<a name="L170"></a><span id="L170" class="LineNr">170 </span> <span class="muControl">loop</span> +<a name="L171"></a><span id="L171" class="LineNr">171 </span> <span class="Delimiter">}</span> +<a name="L172"></a><span id="L172" class="LineNr">172 </span> <span class="Comment"># print file letters as legend</span> +<a name="L173"></a><span id="L173" class="LineNr">173 </span> print screen, <span class="Constant">[ +----------------]</span> +<a name="L174"></a><span id="L174" class="LineNr">174 </span> cursor-to-next-line screen +<a name="L175"></a><span id="L175" class="LineNr">175 </span> print screen, <span class="Constant">[ a b c d e f g h]</span> +<a name="L176"></a><span id="L176" class="LineNr">176 </span> cursor-to-next-line screen +<a name="L177"></a><span id="L177" class="LineNr">177 </span>] +<a name="L178"></a><span id="L178" class="LineNr">178 </span> +<a name="L179"></a><span id="L179" class="LineNr">179 </span><span class="muRecipe">def</span> initial-position<span class="muRecipe"> -> </span>board:board [ +<a name="L180"></a><span id="L180" class="LineNr">180 </span> <span class="Constant">local-scope</span> +<a name="L181"></a><span id="L181" class="LineNr">181 </span> <span class="Comment"># layout in memory (in raster order):</span> +<a name="L182"></a><span id="L182" class="LineNr">182 </span> <span class="Comment"># R P _ _ _ _ p r</span> +<a name="L183"></a><span id="L183" class="LineNr">183 </span> <span class="Comment"># N P _ _ _ _ p n</span> +<a name="L184"></a><span id="L184" class="LineNr">184 </span> <span class="Comment"># B P _ _ _ _ p b</span> +<a name="L185"></a><span id="L185" class="LineNr">185 </span> <span class="Comment"># Q P _ _ _ _ p q</span> +<a name="L186"></a><span id="L186" class="LineNr">186 </span> <span class="Comment"># K P _ _ _ _ p k</span> +<a name="L187"></a><span id="L187" class="LineNr">187 </span> <span class="Comment"># B P _ _ _ _ p B</span> +<a name="L188"></a><span id="L188" class="LineNr">188 </span> <span class="Comment"># N P _ _ _ _ p n</span> +<a name="L189"></a><span id="L189" class="LineNr">189 </span> <span class="Comment"># R P _ _ _ _ p r</span> +<a name="L190"></a><span id="L190" class="LineNr">190 </span> initial-position:&:@:char <span class="Special"><-</span> new-array <span class="Constant">82/R</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">114/r</span>, <span class="Constant">78/N</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">110/n</span>, <span class="Constant">66/B</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">98/b</span>, <span class="Constant">81/Q</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">113/q</span>, <span class="Constant">75/K</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">107/k</span>, <span class="Constant">66/B</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">98/b</span>, <span class="Constant">78/N</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">110/n</span>, <span class="Constant">82/R</span>, <span class="Constant">80/P</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">32/blank</span>, <span class="Constant">112/p</span>, <span class="Constant">114/r</span> +<a name="L191"></a><span id="L191" class="LineNr">191 </span><span class="CommentedCode">#? 82/R, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 114/r,</span> +<a name="L192"></a><span id="L192" class="LineNr">192 </span><span class="CommentedCode">#? 78/N, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 110/n,</span> +<a name="L193"></a><span id="L193" class="LineNr">193 </span><span class="CommentedCode">#? 66/B, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 98/b, </span> +<a name="L194"></a><span id="L194" class="LineNr">194 </span><span class="CommentedCode">#? 81/Q, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 113/q,</span> +<a name="L195"></a><span id="L195" class="LineNr">195 </span><span class="CommentedCode">#? 75/K, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 107/k,</span> +<a name="L196"></a><span id="L196" class="LineNr">196 </span><span class="CommentedCode">#? 66/B, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 98/b,</span> +<a name="L197"></a><span id="L197" class="LineNr">197 </span><span class="CommentedCode">#? 78/N, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 110/n,</span> +<a name="L198"></a><span id="L198" class="LineNr">198 </span><span class="CommentedCode">#? 82/R, 80/P, 32/blank, 32/blank, 32/blank, 32/blank, 112/p, 114/r</span> +<a name="L199"></a><span id="L199" class="LineNr">199 </span> board <span class="Special"><-</span> new-board initial-position +<a name="L200"></a><span id="L200" class="LineNr">200 </span>] +<a name="L201"></a><span id="L201" class="LineNr">201 </span> +<a name="L202"></a><span id="L202" class="LineNr">202 </span><span class="muScenario">scenario</span> printing-the-board [ +<a name="L203"></a><span id="L203" class="LineNr">203 </span> <span class="Constant">local-scope</span> +<a name="L204"></a><span id="L204" class="LineNr">204 </span> board:board <span class="Special"><-</span> initial-position +<a name="L205"></a><span id="L205" class="LineNr">205 </span> assume-screen <span class="Constant">30/width</span>, <span class="Constant">12/height</span> +<a name="L206"></a><span id="L206" class="LineNr">206 </span> run [ +<a name="L207"></a><span id="L207" class="LineNr">207 </span> screen:&:screen <span class="Special"><-</span> print-board screen:&:screen, board +<a name="L208"></a><span id="L208" class="LineNr">208 </span> ] +<a name="L209"></a><span id="L209" class="LineNr">209 </span> screen-should-contain [ +<a name="L210"></a><span id="L210" class="LineNr">210 </span> <span class="Comment"># 012345678901234567890123456789</span> +<a name="L211"></a><span id="L211" class="LineNr">211 </span> <span class="Constant"> .8 | r n b q k b n r .</span> +<a name="L212"></a><span id="L212" class="LineNr">212 </span> <span class="Constant"> .7 | p p p p p p p p .</span> +<a name="L213"></a><span id="L213" class="LineNr">213 </span> <span class="Constant"> .6 | .</span> +<a name="L214"></a><span id="L214" class="LineNr">214 </span> <span class="Constant"> .5 | .</span> +<a name="L215"></a><span id="L215" class="LineNr">215 </span> <span class="Constant"> .4 | .</span> +<a name="L216"></a><span id="L216" class="LineNr">216 </span> <span class="Constant"> .3 | .</span> +<a name="L217"></a><span id="L217" class="LineNr">217 </span> <span class="Constant"> .2 | P P P P P P P P .</span> +<a name="L218"></a><span id="L218" class="LineNr">218 </span> <span class="Constant"> .1 | R N B Q K B N R .</span> +<a name="L219"></a><span id="L219" class="LineNr">219 </span> <span class="Constant"> . +---------------- .</span> +<a name="L220"></a><span id="L220" class="LineNr">220 </span> <span class="Constant"> . a b c d e f g h .</span> +<a name="L221"></a><span id="L221" class="LineNr">221 </span> <span class="Constant"> . .</span> +<a name="L222"></a><span id="L222" class="LineNr">222 </span> <span class="Constant"> . .</span> +<a name="L223"></a><span id="L223" class="LineNr">223 </span> ] +<a name="L224"></a><span id="L224" class="LineNr">224 </span>] +<a name="L225"></a><span id="L225" class="LineNr">225 </span> +<a name="L226"></a><span id="L226" class="LineNr">226 </span><span class="SalientComment">## data structure: move</span> +<a name="L227"></a><span id="L227" class="LineNr">227 </span> +<a name="L228"></a><span id="L228" class="LineNr">228 </span><span class="muData">container</span> move [ +<a name="L229"></a><span id="L229" class="LineNr">229 </span> <span class="Comment"># valid range: 0-7</span> +<a name="L230"></a><span id="L230" class="LineNr">230 </span> from-file:num +<a name="L231"></a><span id="L231" class="LineNr">231 </span> from-rank:num +<a name="L232"></a><span id="L232" class="LineNr">232 </span> to-file:num +<a name="L233"></a><span id="L233" class="LineNr">233 </span> to-rank:num +<a name="L234"></a><span id="L234" class="LineNr">234 </span>] +<a name="L235"></a><span id="L235" class="LineNr">235 </span> +<a name="L236"></a><span id="L236" class="LineNr">236 </span><span class="Comment"># prints only error messages to screen</span> +<a name="L237"></a><span id="L237" class="LineNr">237 </span><span class="muRecipe">def</span> read-move stdin:&:source:char, screen:&:screen<span class="muRecipe"> -> </span>result:&:move, quit?:bool, error?:bool, stdin:&:source:char, screen:&:screen [ +<a name="L238"></a><span id="L238" class="LineNr">238 </span> <span class="Constant">local-scope</span> +<a name="L239"></a><span id="L239" class="LineNr">239 </span> <span class="Constant">load-ingredients</span> +<a name="L240"></a><span id="L240" class="LineNr">240 </span> from-file:num, quit?:bool, error?:bool <span class="Special"><-</span> read-file stdin, screen +<a name="L241"></a><span id="L241" class="LineNr">241 </span> <span class="muControl">return-if</span> quit?, <span class="Constant">0/dummy</span> +<a name="L242"></a><span id="L242" class="LineNr">242 </span> <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span> +<a name="L243"></a><span id="L243" class="LineNr">243 </span> <span class="Comment"># construct the move object</span> +<a name="L244"></a><span id="L244" class="LineNr">244 </span> result:&:move <span class="Special"><-</span> new <span class="Constant">move:type</span> +<a name="L245"></a><span id="L245" class="LineNr">245 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">from-file:offset</span>, from-file +<a name="L246"></a><span id="L246" class="LineNr">246 </span> from-rank:num, quit?, error? <span class="Special"><-</span> read-rank stdin, screen +<a name="L247"></a><span id="L247" class="LineNr">247 </span> <span class="muControl">return-if</span> quit?, <span class="Constant">0/dummy</span> +<a name="L248"></a><span id="L248" class="LineNr">248 </span> <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span> +<a name="L249"></a><span id="L249" class="LineNr">249 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">from-rank:offset</span>, from-rank +<a name="L250"></a><span id="L250" class="LineNr">250 </span> error? <span class="Special"><-</span> expect-from-channel stdin, <span class="Constant">45/dash</span>, screen +<a name="L251"></a><span id="L251" class="LineNr">251 </span> <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span> +<a name="L252"></a><span id="L252" class="LineNr">252 </span> to-file:num, quit?, error? <span class="Special"><-</span> read-file stdin, screen +<a name="L253"></a><span id="L253" class="LineNr">253 </span> <span class="muControl">return-if</span> quit?:bool, <span class="Constant">0/dummy</span> +<a name="L254"></a><span id="L254" class="LineNr">254 </span> <span class="muControl">return-if</span> error?:bool, <span class="Constant">0/dummy</span> +<a name="L255"></a><span id="L255" class="LineNr">255 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">to-file:offset</span>, to-file +<a name="L256"></a><span id="L256" class="LineNr">256 </span> to-rank:num, quit?, error? <span class="Special"><-</span> read-rank stdin, screen +<a name="L257"></a><span id="L257" class="LineNr">257 </span> <span class="muControl">return-if</span> quit?, <span class="Constant">0/dummy</span> +<a name="L258"></a><span id="L258" class="LineNr">258 </span> <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span> +<a name="L259"></a><span id="L259" class="LineNr">259 </span> *result <span class="Special"><-</span> put *result, <span class="Constant">to-rank:offset</span>, to-rank +<a name="L260"></a><span id="L260" class="LineNr">260 </span> error? <span class="Special"><-</span> expect-from-channel stdin, <span class="Constant">10/newline</span>, screen +<a name="L261"></a><span id="L261" class="LineNr">261 </span> <span class="muControl">return-if</span> error?, <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span> +<a name="L262"></a><span id="L262" class="LineNr">262 </span>] +<a name="L263"></a><span id="L263" class="LineNr">263 </span> +<a name="L264"></a><span id="L264" class="LineNr">264 </span><span class="Comment"># valid values for file: 0-7</span> +<a name="L265"></a><span id="L265" class="LineNr">265 </span><span class="muRecipe">def</span> read-file stdin:&:source:char, screen:&:screen<span class="muRecipe"> -> </span>file:num, quit:bool, error:bool, stdin:&:source:char, screen:&:screen [ +<a name="L266"></a><span id="L266" class="LineNr">266 </span> <span class="Constant">local-scope</span> +<a name="L267"></a><span id="L267" class="LineNr">267 </span> <span class="Constant">load-ingredients</span> +<a name="L268"></a><span id="L268" class="LineNr">268 </span> c:char, eof?:bool, stdin <span class="Special"><-</span> read stdin +<a name="L269"></a><span id="L269" class="LineNr">269 </span> <span class="muControl">return-if</span> eof?, <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> +<a name="L270"></a><span id="L270" class="LineNr">270 </span> <span class="Delimiter">{</span> +<a name="L271"></a><span id="L271" class="LineNr">271 </span> q-pressed?:bool <span class="Special"><-</span> equal c, <span class="Constant">81/Q</span> +<a name="L272"></a><span id="L272" class="LineNr">272 </span> <span class="muControl">break-unless</span> q-pressed? +<a name="L273"></a><span id="L273" class="LineNr">273 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> +<a name="L274"></a><span id="L274" class="LineNr">274 </span> <span class="Delimiter">}</span> +<a name="L275"></a><span id="L275" class="LineNr">275 </span> <span class="Delimiter">{</span> +<a name="L276"></a><span id="L276" class="LineNr">276 </span> q-pressed? <span class="Special"><-</span> equal c, <span class="Constant">113/q</span> +<a name="L277"></a><span id="L277" class="LineNr">277 </span> <span class="muControl">break-unless</span> q-pressed? +<a name="L278"></a><span id="L278" class="LineNr">278 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> +<a name="L279"></a><span id="L279" class="LineNr">279 </span> <span class="Delimiter">}</span> +<a name="L280"></a><span id="L280" class="LineNr">280 </span> <span class="Delimiter">{</span> +<a name="L281"></a><span id="L281" class="LineNr">281 </span> empty-fake-keyboard?:bool <span class="Special"><-</span> equal c, <span class="Constant">0/eof</span> +<a name="L282"></a><span id="L282" class="LineNr">282 </span> <span class="muControl">break-unless</span> empty-fake-keyboard? +<a name="L283"></a><span id="L283" class="LineNr">283 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> +<a name="L284"></a><span id="L284" class="LineNr">284 </span> <span class="Delimiter">}</span> +<a name="L285"></a><span id="L285" class="LineNr">285 </span> <span class="Delimiter">{</span> +<a name="L286"></a><span id="L286" class="LineNr">286 </span> newline?:bool <span class="Special"><-</span> equal c, <span class="Constant">10/newline</span> +<a name="L287"></a><span id="L287" class="LineNr">287 </span> <span class="muControl">break-unless</span> newline? +<a name="L288"></a><span id="L288" class="LineNr">288 </span> print screen, <span class="Constant">[that's not enough]</span> +<a name="L289"></a><span id="L289" class="LineNr">289 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> +<a name="L290"></a><span id="L290" class="LineNr">290 </span> <span class="Delimiter">}</span> +<a name="L291"></a><span id="L291" class="LineNr">291 </span> file:num <span class="Special"><-</span> subtract c, <span class="Constant">97/a</span> +<a name="L292"></a><span id="L292" class="LineNr">292 </span> <span class="Comment"># 'a' <= file <= 'h'</span> +<a name="L293"></a><span id="L293" class="LineNr">293 </span> <span class="Delimiter">{</span> +<a name="L294"></a><span id="L294" class="LineNr">294 </span> above-min:bool <span class="Special"><-</span> greater-or-equal file,<span class="Constant"> 0</span> +<a name="L295"></a><span id="L295" class="LineNr">295 </span> <span class="muControl">break-if</span> above-min +<a name="L296"></a><span id="L296" class="LineNr">296 </span> print screen, <span class="Constant">[file too low: ]</span> +<a name="L297"></a><span id="L297" class="LineNr">297 </span> print screen, c +<a name="L298"></a><span id="L298" class="LineNr">298 </span> cursor-to-next-line screen +<a name="L299"></a><span id="L299" class="LineNr">299 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> +<a name="L300"></a><span id="L300" class="LineNr">300 </span> <span class="Delimiter">}</span> +<a name="L301"></a><span id="L301" class="LineNr">301 </span> <span class="Delimiter">{</span> +<a name="L302"></a><span id="L302" class="LineNr">302 </span> below-max:bool <span class="Special"><-</span> lesser-than file,<span class="Constant"> 8</span> +<a name="L303"></a><span id="L303" class="LineNr">303 </span> <span class="muControl">break-if</span> below-max +<a name="L304"></a><span id="L304" class="LineNr">304 </span> print screen, <span class="Constant">[file too high: ]</span> +<a name="L305"></a><span id="L305" class="LineNr">305 </span> print screen, c +<a name="L306"></a><span id="L306" class="LineNr">306 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> +<a name="L307"></a><span id="L307" class="LineNr">307 </span> <span class="Delimiter">}</span> +<a name="L308"></a><span id="L308" class="LineNr">308 </span> <span class="muControl">return</span> file, <span class="Constant">0/quit</span>, <span class="Constant">0/error</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><span class="Comment"># valid values for rank: 0-7</span> +<a name="L312"></a><span id="L312" class="LineNr">312 </span><span class="muRecipe">def</span> read-rank stdin:&:source:char, screen:&:screen<span class="muRecipe"> -> </span>rank:num, quit?:bool, error?:bool, stdin:&:source:char, screen:&:screen [ +<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> <span class="Constant">load-ingredients</span> +<a name="L315"></a><span id="L315" class="LineNr">315 </span> c:char, eof?:bool, stdin <span class="Special"><-</span> read stdin +<a name="L316"></a><span id="L316" class="LineNr">316 </span> <span class="muControl">return-if</span> eof?, <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> +<a name="L317"></a><span id="L317" class="LineNr">317 </span> <span class="Delimiter">{</span> +<a name="L318"></a><span id="L318" class="LineNr">318 </span> q-pressed?:bool <span class="Special"><-</span> equal c, <span class="Constant">8/Q</span> +<a name="L319"></a><span id="L319" class="LineNr">319 </span> <span class="muControl">break-unless</span> q-pressed? +<a name="L320"></a><span id="L320" class="LineNr">320 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> +<a name="L321"></a><span id="L321" class="LineNr">321 </span> <span class="Delimiter">}</span> +<a name="L322"></a><span id="L322" class="LineNr">322 </span> <span class="Delimiter">{</span> +<a name="L323"></a><span id="L323" class="LineNr">323 </span> q-pressed? <span class="Special"><-</span> equal c, <span class="Constant">113/q</span> +<a name="L324"></a><span id="L324" class="LineNr">324 </span> <span class="muControl">break-unless</span> q-pressed? +<a name="L325"></a><span id="L325" class="LineNr">325 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">1/quit</span>, <span class="Constant">0/error</span> +<a name="L326"></a><span id="L326" class="LineNr">326 </span> <span class="Delimiter">}</span> +<a name="L327"></a><span id="L327" class="LineNr">327 </span> <span class="Delimiter">{</span> +<a name="L328"></a><span id="L328" class="LineNr">328 </span> newline?:bool <span class="Special"><-</span> equal c,<span class="Constant"> 10</span> <span class="Comment"># newline</span> +<a name="L329"></a><span id="L329" class="LineNr">329 </span> <span class="muControl">break-unless</span> newline? +<a name="L330"></a><span id="L330" class="LineNr">330 </span> print screen, <span class="Constant">[that's not enough]</span> +<a name="L331"></a><span id="L331" class="LineNr">331 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</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> rank:num <span class="Special"><-</span> subtract c, <span class="Constant">49/'1'</span> +<a name="L334"></a><span id="L334" class="LineNr">334 </span> <span class="Comment"># assert'1' <= rank <= '8'</span> +<a name="L335"></a><span id="L335" class="LineNr">335 </span> <span class="Delimiter">{</span> +<a name="L336"></a><span id="L336" class="LineNr">336 </span> above-min:bool <span class="Special"><-</span> greater-or-equal rank,<span class="Constant"> 0</span> +<a name="L337"></a><span id="L337" class="LineNr">337 </span> <span class="muControl">break-if</span> above-min +<a name="L338"></a><span id="L338" class="LineNr">338 </span> print screen, <span class="Constant">[rank too low: ]</span> +<a name="L339"></a><span id="L339" class="LineNr">339 </span> print screen, c +<a name="L340"></a><span id="L340" class="LineNr">340 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> +<a name="L341"></a><span id="L341" class="LineNr">341 </span> <span class="Delimiter">}</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> below-max:bool <span class="Special"><-</span> lesser-or-equal rank,<span class="Constant"> 7</span> +<a name="L344"></a><span id="L344" class="LineNr">344 </span> <span class="muControl">break-if</span> below-max +<a name="L345"></a><span id="L345" class="LineNr">345 </span> print screen, <span class="Constant">[rank too high: ]</span> +<a name="L346"></a><span id="L346" class="LineNr">346 </span> print screen, c +<a name="L347"></a><span id="L347" class="LineNr">347 </span> <span class="muControl">return</span> <span class="Constant">0/dummy</span>, <span class="Constant">0/quit</span>, <span class="Constant">1/error</span> +<a name="L348"></a><span id="L348" class="LineNr">348 </span> <span class="Delimiter">}</span> +<a name="L349"></a><span id="L349" class="LineNr">349 </span> <span class="muControl">return</span> rank, <span class="Constant">0/quit</span>, <span class="Constant">0/error</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"># read a character from the given channel and check that it's what we expect</span> +<a name="L353"></a><span id="L353" class="LineNr">353 </span><span class="Comment"># return true on error</span> +<a name="L354"></a><span id="L354" class="LineNr">354 </span><span class="muRecipe">def</span> expect-from-channel stdin:&:source:char, expected:char, screen:&:screen<span class="muRecipe"> -> </span>result:bool, stdin:&:source:char, screen:&:screen [ +<a name="L355"></a><span id="L355" class="LineNr">355 </span> <span class="Constant">local-scope</span> +<a name="L356"></a><span id="L356" class="LineNr">356 </span> <span class="Constant">load-ingredients</span> +<a name="L357"></a><span id="L357" class="LineNr">357 </span> c:char, eof?:bool, stdin <span class="Special"><-</span> read stdin +<a name="L358"></a><span id="L358" class="LineNr">358 </span> <span class="muControl">return-if</span> eof? <span class="Constant">1/true</span> +<a name="L359"></a><span id="L359" class="LineNr">359 </span> <span class="Delimiter">{</span> +<a name="L360"></a><span id="L360" class="LineNr">360 </span> match?:bool <span class="Special"><-</span> equal c, expected +<a name="L361"></a><span id="L361" class="LineNr">361 </span> <span class="muControl">break-if</span> match? +<a name="L362"></a><span id="L362" class="LineNr">362 </span> print screen, <span class="Constant">[expected character not found]</span> +<a name="L363"></a><span id="L363" class="LineNr">363 </span> <span class="Delimiter">}</span> +<a name="L364"></a><span id="L364" class="LineNr">364 </span> result <span class="Special"><-</span> not match? +<a name="L365"></a><span id="L365" class="LineNr">365 </span>] +<a name="L366"></a><span id="L366" class="LineNr">366 </span> +<a name="L367"></a><span id="L367" class="LineNr">367 </span><span class="muScenario">scenario</span> read-move-blocking [ +<a name="L368"></a><span id="L368" class="LineNr">368 </span> <span class="Constant">local-scope</span> +<a name="L369"></a><span id="L369" class="LineNr">369 </span> assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> +<a name="L370"></a><span id="L370" class="LineNr">370 </span> source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> +<a name="L371"></a><span id="L371" class="LineNr">371 </span> read-move-routine:num/routine <span class="Special"><-</span> start-running read-move, source, screen:&:screen +<a name="L372"></a><span id="L372" class="LineNr">372 </span> run [ +<a name="L373"></a><span id="L373" class="LineNr">373 </span> <span class="Comment"># 'read-move' is waiting for input</span> +<a name="L374"></a><span id="L374" class="LineNr">374 </span> wait-for-routine-to-block read-move-routine +<a name="L375"></a><span id="L375" class="LineNr">375 </span> read-move-state:num <span class="Special"><-</span> routine-state read-move-routine +<a name="L376"></a><span id="L376" class="LineNr">376 </span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L377"></a><span id="L377" class="LineNr">377 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L378"></a><span id="L378" class="LineNr">378 </span><span class="Constant">F read-move-blocking: routine failed to pause after coming up (before any keys were pressed)]</span> +<a name="L379"></a><span id="L379" class="LineNr">379 </span> <span class="Comment"># press 'a'</span> +<a name="L380"></a><span id="L380" class="LineNr">380 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> +<a name="L381"></a><span id="L381" class="LineNr">381 </span> restart read-move-routine +<a name="L382"></a><span id="L382" class="LineNr">382 </span> <span class="Comment"># 'read-move' still waiting for input</span> +<a name="L383"></a><span id="L383" class="LineNr">383 </span> wait-for-routine-to-block read-move-routine +<a name="L384"></a><span id="L384" class="LineNr">384 </span> read-move-state <span class="Special"><-</span> routine-state read-move-routine +<a name="L385"></a><span id="L385" class="LineNr">385 </span> waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L386"></a><span id="L386" class="LineNr">386 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L387"></a><span id="L387" class="LineNr">387 </span><span class="Constant">F read-move-blocking: routine failed to pause after rank 'a']</span> +<a name="L388"></a><span id="L388" class="LineNr">388 </span> <span class="Comment"># press '2'</span> +<a name="L389"></a><span id="L389" class="LineNr">389 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">50/'2'</span> +<a name="L390"></a><span id="L390" class="LineNr">390 </span> restart read-move-routine +<a name="L391"></a><span id="L391" class="LineNr">391 </span> <span class="Comment"># 'read-move' still waiting for input</span> +<a name="L392"></a><span id="L392" class="LineNr">392 </span> wait-for-routine-to-block read-move-routine +<a name="L393"></a><span id="L393" class="LineNr">393 </span> read-move-state <span class="Special"><-</span> routine-state read-move-routine +<a name="L394"></a><span id="L394" class="LineNr">394 </span> waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L395"></a><span id="L395" class="LineNr">395 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L396"></a><span id="L396" class="LineNr">396 </span><span class="Constant">F read-move-blocking: routine failed to pause after file 'a2']</span> +<a name="L397"></a><span id="L397" class="LineNr">397 </span> <span class="Comment"># press '-'</span> +<a name="L398"></a><span id="L398" class="LineNr">398 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">45/'-'</span> +<a name="L399"></a><span id="L399" class="LineNr">399 </span> restart read-move-routine +<a name="L400"></a><span id="L400" class="LineNr">400 </span> <span class="Comment"># 'read-move' still waiting for input</span> +<a name="L401"></a><span id="L401" class="LineNr">401 </span> wait-for-routine-to-block read-move-routine +<a name="L402"></a><span id="L402" class="LineNr">402 </span> read-move-state <span class="Special"><-</span> routine-state read-move-routine +<a name="L403"></a><span id="L403" class="LineNr">403 </span> waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L404"></a><span id="L404" class="LineNr">404 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L405"></a><span id="L405" class="LineNr">405 </span><span class="Constant">F read-move-blocking: routine failed to pause after hyphen 'a2-']</span> +<a name="L406"></a><span id="L406" class="LineNr">406 </span> <span class="Comment"># press 'a'</span> +<a name="L407"></a><span id="L407" class="LineNr">407 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> +<a name="L408"></a><span id="L408" class="LineNr">408 </span> restart read-move-routine +<a name="L409"></a><span id="L409" class="LineNr">409 </span> <span class="Comment"># 'read-move' still waiting for input</span> +<a name="L410"></a><span id="L410" class="LineNr">410 </span> wait-for-routine-to-block read-move-routine +<a name="L411"></a><span id="L411" class="LineNr">411 </span> read-move-state <span class="Special"><-</span> routine-state read-move-routine +<a name="L412"></a><span id="L412" class="LineNr">412 </span> waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L413"></a><span id="L413" class="LineNr">413 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L414"></a><span id="L414" class="LineNr">414 </span><span class="Constant">F read-move-blocking: routine failed to pause after rank 'a2-a']</span> +<a name="L415"></a><span id="L415" class="LineNr">415 </span> <span class="Comment"># press '4'</span> +<a name="L416"></a><span id="L416" class="LineNr">416 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">52/'4'</span> +<a name="L417"></a><span id="L417" class="LineNr">417 </span> restart read-move-routine +<a name="L418"></a><span id="L418" class="LineNr">418 </span> <span class="Comment"># 'read-move' still waiting for input</span> +<a name="L419"></a><span id="L419" class="LineNr">419 </span> wait-for-routine-to-block read-move-routine +<a name="L420"></a><span id="L420" class="LineNr">420 </span> read-move-state <span class="Special"><-</span> routine-state read-move-routine +<a name="L421"></a><span id="L421" class="LineNr">421 </span> waiting? <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L422"></a><span id="L422" class="LineNr">422 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L423"></a><span id="L423" class="LineNr">423 </span><span class="Constant">F read-move-blocking: routine failed to pause after file 'a2-a4']</span> +<a name="L424"></a><span id="L424" class="LineNr">424 </span> <span class="Comment"># press 'newline'</span> +<a name="L425"></a><span id="L425" class="LineNr">425 </span> sink <span class="Special"><-</span> write sink,<span class="Constant"> 10</span> <span class="Comment"># newline</span> +<a name="L426"></a><span id="L426" class="LineNr">426 </span> restart read-move-routine +<a name="L427"></a><span id="L427" class="LineNr">427 </span> <span class="Comment"># 'read-move' now completes</span> +<a name="L428"></a><span id="L428" class="LineNr">428 </span> wait-for-routine-to-block read-move-routine +<a name="L429"></a><span id="L429" class="LineNr">429 </span> read-move-state <span class="Special"><-</span> routine-state read-move-routine +<a name="L430"></a><span id="L430" class="LineNr">430 </span> completed?:bool <span class="Special"><-</span> equal read-move-state, <span class="Constant">1/completed</span> +<a name="L431"></a><span id="L431" class="LineNr">431 </span> assert completed?, <span class="Constant">[ </span> +<a name="L432"></a><span id="L432" class="LineNr">432 </span><span class="Constant">F read-move-blocking: routine failed to terminate on newline]</span> +<a name="L433"></a><span id="L433" class="LineNr">433 </span> trace<span class="Constant"> 1</span>, <span class="Constant">[test]</span>, <span class="Constant">[reached end]</span> +<a name="L434"></a><span id="L434" class="LineNr">434 </span> ] +<a name="L435"></a><span id="L435" class="LineNr">435 </span> trace-should-contain [ +<a name="L436"></a><span id="L436" class="LineNr">436 </span> test: reached end +<a name="L437"></a><span id="L437" class="LineNr">437 </span> ] +<a name="L438"></a><span id="L438" class="LineNr">438 </span>] +<a name="L439"></a><span id="L439" class="LineNr">439 </span> +<a name="L440"></a><span id="L440" class="LineNr">440 </span><span class="muScenario">scenario</span> read-move-quit [ +<a name="L441"></a><span id="L441" class="LineNr">441 </span> <span class="Constant">local-scope</span> +<a name="L442"></a><span id="L442" class="LineNr">442 </span> assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> +<a name="L443"></a><span id="L443" class="LineNr">443 </span> source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> +<a name="L444"></a><span id="L444" class="LineNr">444 </span> read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen +<a name="L445"></a><span id="L445" class="LineNr">445 </span> run [ +<a name="L446"></a><span id="L446" class="LineNr">446 </span> <span class="Comment"># 'read-move' is waiting for input</span> +<a name="L447"></a><span id="L447" class="LineNr">447 </span> wait-for-routine-to-block read-move-routine +<a name="L448"></a><span id="L448" class="LineNr">448 </span> read-move-state:num <span class="Special"><-</span> routine-state read-move-routine +<a name="L449"></a><span id="L449" class="LineNr">449 </span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L450"></a><span id="L450" class="LineNr">450 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L451"></a><span id="L451" class="LineNr">451 </span><span class="Constant">F read-move-quit: routine failed to pause after coming up (before any keys were pressed)]</span> +<a name="L452"></a><span id="L452" class="LineNr">452 </span> <span class="Comment"># press 'q'</span> +<a name="L453"></a><span id="L453" class="LineNr">453 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">113/q</span> +<a name="L454"></a><span id="L454" class="LineNr">454 </span> restart read-move-routine +<a name="L455"></a><span id="L455" class="LineNr">455 </span> <span class="Comment"># 'read-move' completes</span> +<a name="L456"></a><span id="L456" class="LineNr">456 </span> wait-for-routine-to-block read-move-routine +<a name="L457"></a><span id="L457" class="LineNr">457 </span> read-move-state <span class="Special"><-</span> routine-state read-move-routine +<a name="L458"></a><span id="L458" class="LineNr">458 </span> completed?:bool <span class="Special"><-</span> equal read-move-state, <span class="Constant">1/completed</span> +<a name="L459"></a><span id="L459" class="LineNr">459 </span> assert completed?, <span class="Constant">[ </span> +<a name="L460"></a><span id="L460" class="LineNr">460 </span><span class="Constant">F read-move-quit: routine failed to terminate on 'q']</span> +<a name="L461"></a><span id="L461" class="LineNr">461 </span> trace<span class="Constant"> 1</span>, <span class="Constant">[test]</span>, <span class="Constant">[reached end]</span> +<a name="L462"></a><span id="L462" class="LineNr">462 </span> ] +<a name="L463"></a><span id="L463" class="LineNr">463 </span> trace-should-contain [ +<a name="L464"></a><span id="L464" class="LineNr">464 </span> test: reached end +<a name="L465"></a><span id="L465" class="LineNr">465 </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><span class="muScenario">scenario</span> read-move-illegal-file [ +<a name="L469"></a><span id="L469" class="LineNr">469 </span> <span class="Constant">local-scope</span> +<a name="L470"></a><span id="L470" class="LineNr">470 </span> assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> +<a name="L471"></a><span id="L471" class="LineNr">471 </span> source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> +<a name="L472"></a><span id="L472" class="LineNr">472 </span> read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen +<a name="L473"></a><span id="L473" class="LineNr">473 </span> run [ +<a name="L474"></a><span id="L474" class="LineNr">474 </span> <span class="Comment"># 'read-move' is waiting for input</span> +<a name="L475"></a><span id="L475" class="LineNr">475 </span> wait-for-routine-to-block read-move-routine +<a name="L476"></a><span id="L476" class="LineNr">476 </span> read-move-state:num <span class="Special"><-</span> routine-state read-move-routine +<a name="L477"></a><span id="L477" class="LineNr">477 </span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L478"></a><span id="L478" class="LineNr">478 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L479"></a><span id="L479" class="LineNr">479 </span><span class="Constant">F read-move-illegal-file: routine failed to pause after coming up (before any keys were pressed)]</span> +<a name="L480"></a><span id="L480" class="LineNr">480 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">50/'2'</span> +<a name="L481"></a><span id="L481" class="LineNr">481 </span> restart read-move-routine +<a name="L482"></a><span id="L482" class="LineNr">482 </span> wait-for-routine-to-block read-move-routine +<a name="L483"></a><span id="L483" class="LineNr">483 </span> ] +<a name="L484"></a><span id="L484" class="LineNr">484 </span> screen-should-contain [ +<a name="L485"></a><span id="L485" class="LineNr">485 </span> <span class="Constant"> .file too low: 2 .</span> +<a name="L486"></a><span id="L486" class="LineNr">486 </span> <span class="Constant"> . .</span> +<a name="L487"></a><span id="L487" class="LineNr">487 </span> ] +<a name="L488"></a><span id="L488" class="LineNr">488 </span>] +<a name="L489"></a><span id="L489" class="LineNr">489 </span> +<a name="L490"></a><span id="L490" class="LineNr">490 </span><span class="muScenario">scenario</span> read-move-illegal-rank [ +<a name="L491"></a><span id="L491" class="LineNr">491 </span> <span class="Constant">local-scope</span> +<a name="L492"></a><span id="L492" class="LineNr">492 </span> assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> +<a name="L493"></a><span id="L493" class="LineNr">493 </span> source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> +<a name="L494"></a><span id="L494" class="LineNr">494 </span> read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen +<a name="L495"></a><span id="L495" class="LineNr">495 </span> run [ +<a name="L496"></a><span id="L496" class="LineNr">496 </span> <span class="Comment"># 'read-move' is waiting for input</span> +<a name="L497"></a><span id="L497" class="LineNr">497 </span> wait-for-routine-to-block read-move-routine +<a name="L498"></a><span id="L498" class="LineNr">498 </span> read-move-state:num <span class="Special"><-</span> routine-state read-move-routine +<a name="L499"></a><span id="L499" class="LineNr">499 </span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L500"></a><span id="L500" class="LineNr">500 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L501"></a><span id="L501" class="LineNr">501 </span><span class="Constant">F read-move-illegal-rank: routine failed to pause after coming up (before any keys were pressed)]</span> +<a name="L502"></a><span id="L502" class="LineNr">502 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> +<a name="L503"></a><span id="L503" class="LineNr">503 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> +<a name="L504"></a><span id="L504" class="LineNr">504 </span> restart read-move-routine +<a name="L505"></a><span id="L505" class="LineNr">505 </span> wait-for-routine-to-block read-move-routine +<a name="L506"></a><span id="L506" class="LineNr">506 </span> ] +<a name="L507"></a><span id="L507" class="LineNr">507 </span> screen-should-contain [ +<a name="L508"></a><span id="L508" class="LineNr">508 </span> <span class="Constant"> .rank too high: a .</span> +<a name="L509"></a><span id="L509" class="LineNr">509 </span> <span class="Constant"> . .</span> +<a name="L510"></a><span id="L510" class="LineNr">510 </span> ] +<a name="L511"></a><span id="L511" class="LineNr">511 </span>] +<a name="L512"></a><span id="L512" class="LineNr">512 </span> +<a name="L513"></a><span id="L513" class="LineNr">513 </span><span class="muScenario">scenario</span> read-move-empty [ +<a name="L514"></a><span id="L514" class="LineNr">514 </span> <span class="Constant">local-scope</span> +<a name="L515"></a><span id="L515" class="LineNr">515 </span> assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span> +<a name="L516"></a><span id="L516" class="LineNr">516 </span> source:&:source:char, sink:&:sink:char <span class="Special"><-</span> new-channel <span class="Constant">2/capacity</span> +<a name="L517"></a><span id="L517" class="LineNr">517 </span> read-move-routine:num <span class="Special"><-</span> start-running read-move, source, screen:&:screen +<a name="L518"></a><span id="L518" class="LineNr">518 </span> run [ +<a name="L519"></a><span id="L519" class="LineNr">519 </span> <span class="Comment"># 'read-move' is waiting for input</span> +<a name="L520"></a><span id="L520" class="LineNr">520 </span> wait-for-routine-to-block read-move-routine +<a name="L521"></a><span id="L521" class="LineNr">521 </span> read-move-state:num <span class="Special"><-</span> routine-state read-move-routine +<a name="L522"></a><span id="L522" class="LineNr">522 </span> waiting?:bool <span class="Special"><-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span> +<a name="L523"></a><span id="L523" class="LineNr">523 </span> assert waiting?, <span class="Constant">[ </span> +<a name="L524"></a><span id="L524" class="LineNr">524 </span><span class="Constant">F read-move-empty: routine failed to pause after coming up (before any keys were pressed)]</span> +<a name="L525"></a><span id="L525" class="LineNr">525 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">10/newline</span> +<a name="L526"></a><span id="L526" class="LineNr">526 </span> sink <span class="Special"><-</span> write sink, <span class="Constant">97/a</span> +<a name="L527"></a><span id="L527" class="LineNr">527 </span> restart read-move-routine +<a name="L528"></a><span id="L528" class="LineNr">528 </span> wait-for-routine-to-block read-move-routine +<a name="L529"></a><span id="L529" class="LineNr">529 </span> ] +<a name="L530"></a><span id="L530" class="LineNr">530 </span> screen-should-contain [ +<a name="L531"></a><span id="L531" class="LineNr">531 </span> <span class="Constant"> .that's not enough .</span> +<a name="L532"></a><span id="L532" class="LineNr">532 </span> <span class="Constant"> . .</span> +<a name="L533"></a><span id="L533" class="LineNr">533 </span> ] +<a name="L534"></a><span id="L534" class="LineNr">534 </span>] +<a name="L535"></a><span id="L535" class="LineNr">535 </span> +<a name="L536"></a><span id="L536" class="LineNr">536 </span><span class="muRecipe">def</span> make-move board:board, m:&:move<span class="muRecipe"> -> </span>board:board [ +<a name="L537"></a><span id="L537" class="LineNr">537 </span> <span class="Constant">local-scope</span> +<a name="L538"></a><span id="L538" class="LineNr">538 </span> <span class="Constant">load-ingredients</span> +<a name="L539"></a><span id="L539" class="LineNr">539 </span> from-file:num <span class="Special"><-</span> get *m, <span class="Constant">from-file:offset</span> +<a name="L540"></a><span id="L540" class="LineNr">540 </span> from-rank:num <span class="Special"><-</span> get *m, <span class="Constant">from-rank:offset</span> +<a name="L541"></a><span id="L541" class="LineNr">541 </span> to-file:num <span class="Special"><-</span> get *m, <span class="Constant">to-file:offset</span> +<a name="L542"></a><span id="L542" class="LineNr">542 </span> to-rank:num <span class="Special"><-</span> get *m, <span class="Constant">to-rank:offset</span> +<a name="L543"></a><span id="L543" class="LineNr">543 </span> from-f:&:@:char <span class="Special"><-</span> index *board, from-file +<a name="L544"></a><span id="L544" class="LineNr">544 </span> to-f:&:@:char <span class="Special"><-</span> index *board, to-file +<a name="L545"></a><span id="L545" class="LineNr">545 </span> src:char/square <span class="Special"><-</span> index *from-f, from-rank +<a name="L546"></a><span id="L546" class="LineNr">546 </span> *to-f <span class="Special"><-</span> put-index *to-f, to-rank, src +<a name="L547"></a><span id="L547" class="LineNr">547 </span> *from-f <span class="Special"><-</span> put-index *from-f, from-rank, <span class="Constant">32/space</span> +<a name="L548"></a><span id="L548" class="LineNr">548 </span>] +<a name="L549"></a><span id="L549" class="LineNr">549 </span> +<a name="L550"></a><span id="L550" class="LineNr">550 </span><span class="muScenario">scenario</span> making-a-move [ +<a name="L551"></a><span id="L551" class="LineNr">551 </span> <span class="Constant">local-scope</span> +<a name="L552"></a><span id="L552" class="LineNr">552 </span> assume-screen <span class="Constant">30/width</span>, <span class="Constant">12/height</span> +<a name="L553"></a><span id="L553" class="LineNr">553 </span> board:board <span class="Special"><-</span> initial-position +<a name="L554"></a><span id="L554" class="LineNr">554 </span> move:&:move <span class="Special"><-</span> new <span class="Constant">move:type</span> +<a name="L555"></a><span id="L555" class="LineNr">555 </span> *move <span class="Special"><-</span> merge <span class="Constant">6/g</span>, <span class="Constant">1/'2'</span>, <span class="Constant">6/g</span>, <span class="Constant">3/'4'</span> +<a name="L556"></a><span id="L556" class="LineNr">556 </span> run [ +<a name="L557"></a><span id="L557" class="LineNr">557 </span> board <span class="Special"><-</span> make-move board, move +<a name="L558"></a><span id="L558" class="LineNr">558 </span> screen:&:screen <span class="Special"><-</span> print-board screen:&:screen, board +<a name="L559"></a><span id="L559" class="LineNr">559 </span> ] +<a name="L560"></a><span id="L560" class="LineNr">560 </span> screen-should-contain [ +<a name="L561"></a><span id="L561" class="LineNr">561 </span> <span class="Comment"># 012345678901234567890123456789</span> +<a name="L562"></a><span id="L562" class="LineNr">562 </span> <span class="Constant"> .8 | r n b q k b n r .</span> +<a name="L563"></a><span id="L563" class="LineNr">563 </span> <span class="Constant"> .7 | p p p p p p p p .</span> +<a name="L564"></a><span id="L564" class="LineNr">564 </span> <span class="Constant"> .6 | .</span> +<a name="L565"></a><span id="L565" class="LineNr">565 </span> <span class="Constant"> .5 | .</span> +<a name="L566"></a><span id="L566" class="LineNr">566 </span> <span class="Constant"> .4 | P .</span> +<a name="L567"></a><span id="L567" class="LineNr">567 </span> <span class="Constant"> .3 | .</span> +<a name="L568"></a><span id="L568" class="LineNr">568 </span> <span class="Constant"> .2 | P P P P P P P .</span> +<a name="L569"></a><span id="L569" class="LineNr">569 </span> <span class="Constant"> .1 | R N B Q K B N R .</span> +<a name="L570"></a><span id="L570" class="LineNr">570 </span> <span class="Constant"> . +---------------- .</span> +<a name="L571"></a><span id="L571" class="LineNr">571 </span> <span class="Constant"> . a b c d e f g h .</span> +<a name="L572"></a><span id="L572" class="LineNr">572 </span> <span class="Constant"> . .</span> +<a name="L573"></a><span id="L573" class="LineNr">573 </span> ] +<a name="L574"></a><span id="L574" class="LineNr">574 </span>] </pre> </body> </html> |