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<a href='https://github.com/akkartik/mu/blob/main/513grapheme-stack.mu'>https://github.com/akkartik/mu/blob/main/513grapheme-stack.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># code-point-utf8 stacks are the smallest unit of editable text</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="PreProc">type</span> <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a> <span class="Delimiter">{</span>
<span id="L4" class="LineNr"> 4 </span> data: (handle array code-point-utf8)
<span id="L5" class="LineNr"> 5 </span> top: int
<span id="L6" class="LineNr"> 6 </span><span class="Delimiter">}</span>
<span id="L7" class="LineNr"> 7 </span>
<span id="L8" class="LineNr"> 8 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), n: int <span class="Delimiter">{</span>
<span id="L9" class="LineNr"> 9 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L10" class="LineNr"> 10 </span> <span class="PreProc">var</span> d/<span class="muRegEdi">edi</span>: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L11" class="LineNr"> 11 </span> populate d, n
<span id="L12" class="LineNr"> 12 </span> <span class="PreProc">var</span> top/eax: (addr int) <span class="Special"><-</span> get self, top
<span id="L13" class="LineNr"> 13 </span> copy-to *top, <span class="Constant">0</span>
<span id="L14" class="LineNr"> 14 </span><span class="Delimiter">}</span>
<span id="L15" class="LineNr"> 15 </span>
<span id="L16" class="LineNr"> 16 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L16'>clear-code-point-utf8-stack</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Delimiter">{</span>
<span id="L17" class="LineNr"> 17 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L18" class="LineNr"> 18 </span> <span class="PreProc">var</span> top/eax: (addr int) <span class="Special"><-</span> get self, top
<span id="L19" class="LineNr"> 19 </span> copy-to *top, <span class="Constant">0</span>
<span id="L20" class="LineNr"> 20 </span><span class="Delimiter">}</span>
<span id="L21" class="LineNr"> 21 </span>
<span id="L22" class="LineNr"> 22 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L22'>code-point-utf8-stack-empty?</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>)<span class="PreProc"> -> </span>_/eax: boolean <span class="Delimiter">{</span>
<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> top/eax: (addr int) <span class="Special"><-</span> get self, top
<span id="L25" class="LineNr"> 25 </span> compare *top, <span class="Constant">0</span>
<span id="L26" class="LineNr"> 26 </span> <span class="Delimiter">{</span>
<span id="L27" class="LineNr"> 27 </span> <span class="PreProc">break-if-!=</span>
<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true
<span id="L29" class="LineNr"> 29 </span> <span class="Delimiter">}</span>
<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">}</span>
<span id="L32" class="LineNr"> 32 </span>
<span id="L33" class="LineNr"> 33 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L33'>code-point-utf8-stack-length</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>)<span class="PreProc"> -> </span>_/eax: int <span class="Delimiter">{</span>
<span id="L34" class="LineNr"> 34 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L35" class="LineNr"> 35 </span> <span class="PreProc">var</span> top/eax: (addr int) <span class="Special"><-</span> get self, top
<span id="L36" class="LineNr"> 36 </span> <span class="PreProc">return</span> *top
<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">}</span>
<span id="L38" class="LineNr"> 38 </span>
<span id="L39" class="LineNr"> 39 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), _val: code-point-utf8 <span class="Delimiter">{</span>
<span id="L40" class="LineNr"> 40 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L41" class="LineNr"> 41 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L42" class="LineNr"> 42 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEdx">edx</span>: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L43" class="LineNr"> 43 </span> <span class="PreProc">var</span> data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L44" class="LineNr"> 44 </span> <span class="PreProc">var</span> top/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy *top-addr
<span id="L45" class="LineNr"> 45 </span> <span class="PreProc">var</span> dest-addr/<span class="muRegEdx">edx</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, top
<span id="L46" class="LineNr"> 46 </span> <span class="PreProc">var</span> val/eax: code-point-utf8 <span class="Special"><-</span> copy _val
<span id="L47" class="LineNr"> 47 </span> copy-to *dest-addr, val
<span id="L48" class="LineNr"> 48 </span> add-to *top-addr, <span class="Constant">1</span>
<span id="L49" class="LineNr"> 49 </span><span class="Delimiter">}</span>
<span id="L50" class="LineNr"> 50 </span>
<span id="L51" class="LineNr"> 51 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L51'>pop-code-point-utf8-stack</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>)<span class="PreProc"> -> </span>_/eax: code-point-utf8 <span class="Delimiter">{</span>
<span id="L52" class="LineNr"> 52 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L53" class="LineNr"> 53 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L54" class="LineNr"> 54 </span> <span class="Delimiter">{</span>
<span id="L55" class="LineNr"> 55 </span> compare *top-addr, <span class="Constant">0</span>
<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">break-if-></span>
<span id="L57" class="LineNr"> 57 </span> <span class="PreProc">return</span> <span class="Constant">-1</span>
<span id="L58" class="LineNr"> 58 </span> <span class="Delimiter">}</span>
<span id="L59" class="LineNr"> 59 </span> subtract-from *top-addr, <span class="Constant">1</span>
<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEdx">edx</span>: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L61" class="LineNr"> 61 </span> <span class="PreProc">var</span> data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L62" class="LineNr"> 62 </span> <span class="PreProc">var</span> top/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy *top-addr
<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">var</span> result-addr/eax: (addr code-point-utf8) <span class="Special"><-</span> index data, top
<span id="L64" class="LineNr"> 64 </span> <span class="PreProc">return</span> *result-addr
<span id="L65" class="LineNr"> 65 </span><span class="Delimiter">}</span>
<span id="L66" class="LineNr"> 66 </span>
<span id="L67" class="LineNr"> 67 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L67'>copy-code-point-utf8-stack</a></span> _src: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), dest: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Delimiter">{</span>
<span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> src/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _src
<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEdi">edi</span>: (addr handle array code-point-utf8) <span class="Special"><-</span> get src, data
<span id="L70" class="LineNr"> 70 </span> <span class="PreProc">var</span> _data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L71" class="LineNr"> 71 </span> <span class="PreProc">var</span> data/<span class="muRegEdi">edi</span>: (addr array code-point-utf8) <span class="Special"><-</span> copy _data
<span id="L72" class="LineNr"> 72 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special"><-</span> get src, top
<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> i/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L74" class="LineNr"> 74 </span> <span class="Delimiter">{</span>
<span id="L75" class="LineNr"> 75 </span> compare i, *top-addr
<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">break-if->=</span>
<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">var</span> g/<span class="muRegEdx">edx</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L78" class="LineNr"> 78 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> dest, *g
<span id="L79" class="LineNr"> 79 </span> i <span class="Special"><-</span> increment
<span id="L80" class="LineNr"> 80 </span> <span class="PreProc">loop</span>
<span id="L81" class="LineNr"> 81 </span> <span class="Delimiter">}</span>
<span id="L82" class="LineNr"> 82 </span><span class="Delimiter">}</span>
<span id="L83" class="LineNr"> 83 </span>
<span id="L84" class="LineNr"> 84 </span><span class="muComment"># dump stack to screen from bottom to top</span>
<span id="L85" class="LineNr"> 85 </span><span class="muComment"># hardcoded colors:</span>
<span id="L86" class="LineNr"> 86 </span><span class="muComment"># matching paren</span>
<span id="L87" class="LineNr"> 87 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L87'>render-stack-from-bottom-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L16'>screen</a>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>), _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), xmin: int, ymin: int, xmax: int, ymax: int, _x: int, _y: int, <a href='514gap-buffer.mu.html#L942'>highlight-matching-open-paren?</a>: boolean, open-paren-depth: int, color: int, background-color: int<span class="PreProc"> -> </span>_/eax: int, _/<span class="muRegEcx">ecx</span>: int <span class="Delimiter">{</span>
<span id="L88" class="LineNr"> 88 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L89" class="LineNr"> 89 </span> <span class="PreProc">var</span> matching-open-paren-index/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L449'>get-matching-open-paren-index</a> self, <a href='514gap-buffer.mu.html#L942'>highlight-matching-open-paren?</a>, open-paren-depth
<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEdi">edi</span>: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">var</span> _data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> data/<span class="muRegEdi">edi</span>: (addr array code-point-utf8) <span class="Special"><-</span> copy _data
<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> copy _x
<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> y/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy _y
<span id="L95" class="LineNr"> 95 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEsi">esi</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L96" class="LineNr"> 96 </span> <span class="PreProc">var</span> i/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L97" class="LineNr"> 97 </span> <span class="Delimiter">{</span>
<span id="L98" class="LineNr"> 98 </span> compare i, *top-addr
<span id="L99" class="LineNr"> 99 </span> <span class="PreProc">break-if->=</span>
<span id="L100" class="LineNr">100 </span> <span class="Delimiter">{</span>
<span id="L101" class="LineNr">101 </span> <span class="PreProc">var</span> c: code-point
<span id="L102" class="LineNr">102 </span> <span class="Delimiter">{</span>
<span id="L103" class="LineNr">103 </span> <span class="PreProc">var</span> g/eax: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> tmp/eax: code-point <span class="Special"><-</span> <a href='403unicode.mu.html#L49'>to-code-point</a> *g
<span id="L105" class="LineNr">105 </span> copy-to c, tmp
<span id="L106" class="LineNr">106 </span> <span class="Delimiter">}</span>
<span id="L107" class="LineNr">107 </span> <span class="PreProc">var</span> fg: int
<span id="L108" class="LineNr">108 </span> <span class="Delimiter">{</span>
<span id="L109" class="LineNr">109 </span> <span class="PreProc">var</span> tmp/eax: int <span class="Special"><-</span> copy color
<span id="L110" class="LineNr">110 </span> copy-to fg, tmp
<span id="L111" class="LineNr">111 </span> <span class="Delimiter">}</span>
<span id="L112" class="LineNr">112 </span> <span class="Delimiter">{</span>
<span id="L113" class="LineNr">113 </span> compare i, matching-open-paren-index
<span id="L114" class="LineNr">114 </span> <span class="PreProc">break-if-!=</span>
<span id="L115" class="LineNr">115 </span> copy-to fg, <span class="Constant">0xf</span>/highlight
<span id="L116" class="LineNr">116 </span> <span class="Delimiter">}</span>
<span id="L117" class="LineNr">117 </span> x, y <span class="Special"><-</span> <a href='501draw-text.mu.html#L155'>render-code-point</a> <a href='500fake-screen.mu.html#L16'>screen</a>, c, xmin, ymin, xmax, ymax, x, y, fg, background-color <span class="muComment"># TODO: handle combining characters</span>
<span id="L118" class="LineNr">118 </span> <span class="Delimiter">}</span>
<span id="L119" class="LineNr">119 </span> i <span class="Special"><-</span> increment
<span id="L120" class="LineNr">120 </span> <span class="PreProc">loop</span>
<span id="L121" class="LineNr">121 </span> <span class="Delimiter">}</span>
<span id="L122" class="LineNr">122 </span> <span class="PreProc">return</span> x, y
<span id="L123" class="LineNr">123 </span><span class="Delimiter">}</span>
<span id="L124" class="LineNr">124 </span>
<span id="L125" class="LineNr">125 </span><span class="muComment"># helper for small words</span>
<span id="L126" class="LineNr">126 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L126'>render-stack-from-bottom</a></span> <a href='500fake-screen.mu.html#L16'>screen</a>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>), self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), x: int, y: int, <a href='514gap-buffer.mu.html#L942'>highlight-matching-open-paren?</a>: boolean, open-paren-depth: int<span class="PreProc"> -> </span>_/eax: int <span class="Delimiter">{</span>
<span id="L127" class="LineNr">127 </span> <span class="PreProc">var</span> _width/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L128" class="LineNr">128 </span> <span class="PreProc">var</span> _height/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L129" class="LineNr">129 </span> _width, _height <span class="Special"><-</span> <a href='500fake-screen.mu.html#L75'>screen-size</a> <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> width/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy _width
<span id="L131" class="LineNr">131 </span> <span class="PreProc">var</span> height/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy _height
<span id="L132" class="LineNr">132 </span> <span class="PreProc">var</span> x2/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L133" class="LineNr">133 </span> <span class="PreProc">var</span> y2/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L134" class="LineNr">134 </span> x2, y2 <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L87'>render-stack-from-bottom-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L16'>screen</a>, self, x, y, width, height, x, y, <a href='514gap-buffer.mu.html#L942'>highlight-matching-open-paren?</a>, open-paren-depth, <span class="Constant">3</span>/fg=cyan, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L135" class="LineNr">135 </span> <span class="PreProc">return</span> x2 <span class="muComment"># y2? yolo</span>
<span id="L136" class="LineNr">136 </span><span class="Delimiter">}</span>
<span id="L137" class="LineNr">137 </span>
<span id="L138" class="LineNr">138 </span><span class="muComment"># dump stack to screen from top to bottom</span>
<span id="L139" class="LineNr">139 </span><span class="muComment"># optionally render a 'cursor' with the top code-point-utf8</span>
<span id="L140" class="LineNr">140 </span><span class="muComment"># hard-coded colors:</span>
<span id="L141" class="LineNr">141 </span><span class="muComment"># matching paren</span>
<span id="L142" class="LineNr">142 </span><span class="muComment"># cursor</span>
<span id="L143" class="LineNr">143 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L143'>render-stack-from-top-wrapping-right-then-down</a></span> <a href='500fake-screen.mu.html#L16'>screen</a>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>), _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), xmin: int, ymin: int, xmax: int, ymax: int, _x: int, _y: int, render-cursor?: boolean, color: int, background-color: int<span class="PreProc"> -> </span>_/eax: int, _/<span class="muRegEcx">ecx</span>: int <span class="Delimiter">{</span>
<span id="L144" class="LineNr">144 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L145" class="LineNr">145 </span> <span class="PreProc">var</span> matching-close-paren-index/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L393'>get-matching-close-paren-index</a> self, render-cursor?
<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> data-ah/eax: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L147" class="LineNr">147 </span> <span class="PreProc">var</span> _data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L148" class="LineNr">148 </span> <span class="PreProc">var</span> data/<span class="muRegEdi">edi</span>: (addr array code-point-utf8) <span class="Special"><-</span> copy _data
<span id="L149" class="LineNr">149 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> copy _x
<span id="L150" class="LineNr">150 </span> <span class="PreProc">var</span> y/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy _y
<span id="L151" class="LineNr">151 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEbx">ebx</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L152" class="LineNr">152 </span> <span class="PreProc">var</span> i/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy *top-addr
<span id="L153" class="LineNr">153 </span> i <span class="Special"><-</span> decrement
<span id="L154" class="LineNr">154 </span> <span class="muComment"># if render-cursor?, peel off first iteration</span>
<span id="L155" class="LineNr">155 </span> <span class="Delimiter">{</span>
<span id="L156" class="LineNr">156 </span> compare render-cursor?, <span class="Constant">0</span>/false
<span id="L157" class="LineNr">157 </span> <span class="PreProc">break-if-=</span>
<span id="L158" class="LineNr">158 </span> compare i, <span class="Constant">0</span>
<span id="L159" class="LineNr">159 </span> <span class="PreProc">break-if-<</span>
<span id="L160" class="LineNr">160 </span> <span class="PreProc">var</span> c: code-point
<span id="L161" class="LineNr">161 </span> <span class="Delimiter">{</span>
<span id="L162" class="LineNr">162 </span> <span class="PreProc">var</span> g/eax: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L163" class="LineNr">163 </span> <span class="PreProc">var</span> tmp/eax: code-point <span class="Special"><-</span> <a href='403unicode.mu.html#L49'>to-code-point</a> *g
<span id="L164" class="LineNr">164 </span> copy-to c, tmp
<span id="L165" class="LineNr">165 </span> <span class="Delimiter">}</span>
<span id="L166" class="LineNr">166 </span> x, y <span class="Special"><-</span> <a href='501draw-text.mu.html#L155'>render-code-point</a> <a href='500fake-screen.mu.html#L16'>screen</a>, c, xmin, ymin, xmax, ymax, x, y, background-color, color
<span id="L167" class="LineNr">167 </span> i <span class="Special"><-</span> decrement
<span id="L168" class="LineNr">168 </span> <span class="Delimiter">}</span>
<span id="L169" class="LineNr">169 </span> <span class="muComment"># remaining iterations</span>
<span id="L170" class="LineNr">170 </span> <span class="Delimiter">{</span>
<span id="L171" class="LineNr">171 </span> compare i, <span class="Constant">0</span>
<span id="L172" class="LineNr">172 </span> <span class="PreProc">break-if-<</span>
<span id="L173" class="LineNr">173 </span> <span class="muComment"># highlight matching paren if needed</span>
<span id="L174" class="LineNr">174 </span> <span class="PreProc">var</span> fg: int
<span id="L175" class="LineNr">175 </span> <span class="Delimiter">{</span>
<span id="L176" class="LineNr">176 </span> <span class="PreProc">var</span> tmp/eax: int <span class="Special"><-</span> copy color
<span id="L177" class="LineNr">177 </span> copy-to fg, tmp
<span id="L178" class="LineNr">178 </span> <span class="Delimiter">}</span>
<span id="L179" class="LineNr">179 </span> compare i, matching-close-paren-index
<span id="L180" class="LineNr">180 </span> <span class="Delimiter">{</span>
<span id="L181" class="LineNr">181 </span> <span class="PreProc">break-if-!=</span>
<span id="L182" class="LineNr">182 </span> copy-to fg, <span class="Constant">0xf</span>/highlight
<span id="L183" class="LineNr">183 </span> <span class="Delimiter">}</span>
<span id="L184" class="LineNr">184 </span> <span class="muComment">#</span>
<span id="L185" class="LineNr">185 </span> <span class="PreProc">var</span> c: code-point
<span id="L186" class="LineNr">186 </span> <span class="Delimiter">{</span>
<span id="L187" class="LineNr">187 </span> <span class="PreProc">var</span> g/eax: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L188" class="LineNr">188 </span> <span class="PreProc">var</span> tmp/eax: code-point <span class="Special"><-</span> <a href='403unicode.mu.html#L49'>to-code-point</a> *g
<span id="L189" class="LineNr">189 </span> copy-to c, tmp
<span id="L190" class="LineNr">190 </span> <span class="Delimiter">}</span>
<span id="L191" class="LineNr">191 </span> x, y <span class="Special"><-</span> <a href='501draw-text.mu.html#L155'>render-code-point</a> <a href='500fake-screen.mu.html#L16'>screen</a>, c, xmin, ymin, xmax, ymax, x, y, fg, background-color
<span id="L192" class="LineNr">192 </span> i <span class="Special"><-</span> decrement
<span id="L193" class="LineNr">193 </span> <span class="PreProc">loop</span>
<span id="L194" class="LineNr">194 </span> <span class="Delimiter">}</span>
<span id="L195" class="LineNr">195 </span> <span class="PreProc">return</span> x, y
<span id="L196" class="LineNr">196 </span><span class="Delimiter">}</span>
<span id="L197" class="LineNr">197 </span>
<span id="L198" class="LineNr">198 </span><span class="muComment"># helper for small words</span>
<span id="L199" class="LineNr">199 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L199'>render-stack-from-top</a></span> <a href='500fake-screen.mu.html#L16'>screen</a>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>), self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), x: int, y: int, render-cursor?: boolean<span class="PreProc"> -> </span>_/eax: int <span class="Delimiter">{</span>
<span id="L200" class="LineNr">200 </span> <span class="PreProc">var</span> _width/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L201" class="LineNr">201 </span> <span class="PreProc">var</span> _height/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L202" class="LineNr">202 </span> _width, _height <span class="Special"><-</span> <a href='500fake-screen.mu.html#L75'>screen-size</a> <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L203" class="LineNr">203 </span> <span class="PreProc">var</span> width/<span class="muRegEdx">edx</span>: int <span class="Special"><-</span> copy _width
<span id="L204" class="LineNr">204 </span> <span class="PreProc">var</span> height/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy _height
<span id="L205" class="LineNr">205 </span> <span class="PreProc">var</span> x2/eax: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L206" class="LineNr">206 </span> <span class="PreProc">var</span> y2/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L207" class="LineNr">207 </span> x2, y2 <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L143'>render-stack-from-top-wrapping-right-then-down</a> <a href='500fake-screen.mu.html#L16'>screen</a>, self, x, y, width, height, x, y, render-cursor?, <span class="Constant">3</span>/fg=cyan, <span class="Constant">0xc5</span>/bg=blue-bg
<span id="L208" class="LineNr">208 </span> <span class="PreProc">return</span> x2 <span class="muComment"># y2? yolo</span>
<span id="L209" class="LineNr">209 </span><span class="Delimiter">}</span>
<span id="L210" class="LineNr">210 </span>
<span id="L211" class="LineNr">211 </span><span class="PreProc">fn</span> <span class="muTest"><a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a></span> <span class="Delimiter">{</span>
<span id="L212" class="LineNr">212 </span> <span class="muComment"># setup: gs = "abc"</span>
<span id="L213" class="LineNr">213 </span> <span class="PreProc">var</span> gs-storage: <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>
<span id="L214" class="LineNr">214 </span> <span class="PreProc">var</span> gs/<span class="muRegEdi">edi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> address gs-storage
<span id="L215" class="LineNr">215 </span> <a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a> gs, <span class="Constant">5</span>
<span id="L216" class="LineNr">216 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy <span class="Constant">0x61</span>/a
<span id="L217" class="LineNr">217 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L218" class="LineNr">218 </span> g <span class="Special"><-</span> copy <span class="Constant">0x62</span>/b
<span id="L219" class="LineNr">219 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L220" class="LineNr">220 </span> g <span class="Special"><-</span> copy <span class="Constant">0x63</span>/c
<span id="L221" class="LineNr">221 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L222" class="LineNr">222 </span> <span class="muComment"># setup: screen</span>
<span id="L223" class="LineNr">223 </span> <span class="PreProc">var</span> screen-storage: <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L224" class="LineNr">224 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L16'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>) <span class="Special"><-</span> address screen-storage
<span id="L225" class="LineNr">225 </span> <a href='500fake-screen.mu.html#L34'>initialize-screen</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L226" class="LineNr">226 </span> <span class="muComment">#</span>
<span id="L227" class="LineNr">227 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L126'>render-stack-from-bottom</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">0</span>/no-highlight-matching-open-paren, <span class="Constant">0</span>/open-paren-depth
<span id="L228" class="LineNr">228 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">"abc "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from bottom"</span>
<span id="L229" class="LineNr">229 </span> <a href='502test.mu.html#L2'>check-ints-equal</a> x, <span class="Constant">3</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from bottom: result"</span>
<span id="L230" class="LineNr">230 </span> <a href='504test-screen.mu.html#L267'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">3</span>/bg=reverse, <span class="Constant">0</span>/y, <span class="Constant">" "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from bottom: bg"</span>
<span id="L231" class="LineNr">231 </span> <span class="muComment">#</span>
<span id="L232" class="LineNr">232 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L199'>render-stack-from-top</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">1</span>/y, <span class="Constant">0</span>/cursor=false
<span id="L233" class="LineNr">233 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">"cba "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from top without cursor"</span>
<span id="L234" class="LineNr">234 </span> <a href='502test.mu.html#L2'>check-ints-equal</a> x, <span class="Constant">3</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from top without cursor: result"</span>
<span id="L235" class="LineNr">235 </span> <a href='504test-screen.mu.html#L267'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">3</span>/bg=reverse, <span class="Constant">1</span>/y, <span class="Constant">" "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from top without cursor: bg"</span>
<span id="L236" class="LineNr">236 </span> <span class="muComment">#</span>
<span id="L237" class="LineNr">237 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L199'>render-stack-from-top</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/cursor=true
<span id="L238" class="LineNr">238 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">"cba "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from top with cursor"</span>
<span id="L239" class="LineNr">239 </span> <a href='502test.mu.html#L2'>check-ints-equal</a> x, <span class="Constant">3</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from top with cursor: result"</span>
<span id="L240" class="LineNr">240 </span> <a href='504test-screen.mu.html#L267'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">3</span>/bg=reverse, <span class="Constant">2</span>/y, <span class="Constant">"| "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L211'>test-render-code-point-utf8-stack</a> from top with cursor: bg"</span>
<span id="L241" class="LineNr">241 </span><span class="Delimiter">}</span>
<span id="L242" class="LineNr">242 </span>
<span id="L243" class="LineNr">243 </span><span class="PreProc">fn</span> <span class="muTest"><a href='513grapheme-stack.mu.html#L243'>test-render-code-point-utf8-stack-while-highlighting-matching-close-paren</a></span> <span class="Delimiter">{</span>
<span id="L244" class="LineNr">244 </span> <span class="muComment"># setup: gs = "(b)"</span>
<span id="L245" class="LineNr">245 </span> <span class="PreProc">var</span> gs-storage: <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>
<span id="L246" class="LineNr">246 </span> <span class="PreProc">var</span> gs/<span class="muRegEdi">edi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> address gs-storage
<span id="L247" class="LineNr">247 </span> <a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a> gs, <span class="Constant">5</span>
<span id="L248" class="LineNr">248 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy <span class="Constant">0x29</span>/close-paren
<span id="L249" class="LineNr">249 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L250" class="LineNr">250 </span> g <span class="Special"><-</span> copy <span class="Constant">0x62</span>/b
<span id="L251" class="LineNr">251 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L252" class="LineNr">252 </span> g <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L253" class="LineNr">253 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L254" class="LineNr">254 </span> <span class="muComment"># setup: screen</span>
<span id="L255" class="LineNr">255 </span> <span class="PreProc">var</span> screen-storage: <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L256" class="LineNr">256 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L16'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>) <span class="Special"><-</span> address screen-storage
<span id="L257" class="LineNr">257 </span> <a href='500fake-screen.mu.html#L34'>initialize-screen</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L258" class="LineNr">258 </span> <span class="muComment">#</span>
<span id="L259" class="LineNr">259 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L199'>render-stack-from-top</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/cursor=true
<span id="L260" class="LineNr">260 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">"(b) "</span>, <span class="Constant">"F - test-render-code-point-utf8-stack-while-highlighting-matching-close-paren"</span>
<span id="L261" class="LineNr">261 </span> <a href='504test-screen.mu.html#L267'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">3</span>/bg=reverse, <span class="Constant">2</span>/y, <span class="Constant">"| "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L243'>test-render-code-point-utf8-stack-while-highlighting-matching-close-paren</a>: cursor"</span>
<span id="L262" class="LineNr">262 </span> <a href='504test-screen.mu.html#L75'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">0xf</span>/fg=white, <span class="Constant">2</span>/y, <span class="Constant">" ) "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L243'>test-render-code-point-utf8-stack-while-highlighting-matching-close-paren</a>: matching paren"</span>
<span id="L263" class="LineNr">263 </span><span class="Delimiter">}</span>
<span id="L264" class="LineNr">264 </span>
<span id="L265" class="LineNr">265 </span><span class="PreProc">fn</span> <span class="muTest"><a href='513grapheme-stack.mu.html#L265'>test-render-code-point-utf8-stack-while-highlighting-matching-close-paren-2</a></span> <span class="Delimiter">{</span>
<span id="L266" class="LineNr">266 </span> <span class="muComment"># setup: gs = "(a (b)) c"</span>
<span id="L267" class="LineNr">267 </span> <span class="PreProc">var</span> gs-storage: <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>
<span id="L268" class="LineNr">268 </span> <span class="PreProc">var</span> gs/<span class="muRegEdi">edi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> address gs-storage
<span id="L269" class="LineNr">269 </span> <a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a> gs, <span class="Constant">0x10</span>
<span id="L270" class="LineNr">270 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy <span class="Constant">0x63</span>/c
<span id="L271" class="LineNr">271 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L272" class="LineNr">272 </span> g <span class="Special"><-</span> copy <span class="Constant">0x20</span>/space
<span id="L273" class="LineNr">273 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L274" class="LineNr">274 </span> g <span class="Special"><-</span> copy <span class="Constant">0x29</span>/close-paren
<span id="L275" class="LineNr">275 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L276" class="LineNr">276 </span> g <span class="Special"><-</span> copy <span class="Constant">0x29</span>/close-paren
<span id="L277" class="LineNr">277 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L278" class="LineNr">278 </span> g <span class="Special"><-</span> copy <span class="Constant">0x62</span>/b
<span id="L279" class="LineNr">279 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L280" class="LineNr">280 </span> g <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L281" class="LineNr">281 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L282" class="LineNr">282 </span> g <span class="Special"><-</span> copy <span class="Constant">0x20</span>/space
<span id="L283" class="LineNr">283 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L284" class="LineNr">284 </span> g <span class="Special"><-</span> copy <span class="Constant">0x61</span>/a
<span id="L285" class="LineNr">285 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L286" class="LineNr">286 </span> g <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L287" class="LineNr">287 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L288" class="LineNr">288 </span> <span class="muComment"># setup: screen</span>
<span id="L289" class="LineNr">289 </span> <span class="PreProc">var</span> screen-storage: <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L290" class="LineNr">290 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L16'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>) <span class="Special"><-</span> address screen-storage
<span id="L291" class="LineNr">291 </span> <a href='500fake-screen.mu.html#L34'>initialize-screen</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L292" class="LineNr">292 </span> <span class="muComment">#</span>
<span id="L293" class="LineNr">293 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L199'>render-stack-from-top</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/cursor=true
<span id="L294" class="LineNr">294 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">"(a (b)) c "</span>, <span class="Constant">"F - test-render-code-point-utf8-stack-while-highlighting-matching-close-paren-2"</span>
<span id="L295" class="LineNr">295 </span> <a href='504test-screen.mu.html#L267'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">3</span>/bg=reverse, <span class="Constant">2</span>/y, <span class="Constant">"| "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L265'>test-render-code-point-utf8-stack-while-highlighting-matching-close-paren-2</a>: cursor"</span>
<span id="L296" class="LineNr">296 </span> <a href='504test-screen.mu.html#L75'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">0xf</span>/fg=white, <span class="Constant">2</span>/y, <span class="Constant">" ) "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L265'>test-render-code-point-utf8-stack-while-highlighting-matching-close-paren-2</a>: matching paren"</span>
<span id="L297" class="LineNr">297 </span><span class="Delimiter">}</span>
<span id="L298" class="LineNr">298 </span>
<span id="L299" class="LineNr">299 </span><span class="PreProc">fn</span> <span class="muTest"><a href='513grapheme-stack.mu.html#L299'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-with-close-paren-at-end</a></span> <span class="Delimiter">{</span>
<span id="L300" class="LineNr">300 </span> <span class="muComment"># setup: gs = "(b)"</span>
<span id="L301" class="LineNr">301 </span> <span class="PreProc">var</span> gs-storage: <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>
<span id="L302" class="LineNr">302 </span> <span class="PreProc">var</span> gs/<span class="muRegEdi">edi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> address gs-storage
<span id="L303" class="LineNr">303 </span> <a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a> gs, <span class="Constant">5</span>
<span id="L304" class="LineNr">304 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L305" class="LineNr">305 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L306" class="LineNr">306 </span> g <span class="Special"><-</span> copy <span class="Constant">0x62</span>/b
<span id="L307" class="LineNr">307 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L308" class="LineNr">308 </span> g <span class="Special"><-</span> copy <span class="Constant">0x29</span>/close-paren
<span id="L309" class="LineNr">309 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L310" class="LineNr">310 </span> <span class="muComment"># setup: screen</span>
<span id="L311" class="LineNr">311 </span> <span class="PreProc">var</span> screen-storage: <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L312" class="LineNr">312 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L16'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>) <span class="Special"><-</span> address screen-storage
<span id="L313" class="LineNr">313 </span> <a href='500fake-screen.mu.html#L34'>initialize-screen</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L314" class="LineNr">314 </span> <span class="muComment">#</span>
<span id="L315" class="LineNr">315 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L126'>render-stack-from-bottom</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/highlight-matching-open-paren, <span class="Constant">1</span>/open-paren-depth
<span id="L316" class="LineNr">316 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">"(b) "</span>, <span class="Constant">"F - test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-with-close-paren-at-end"</span>
<span id="L317" class="LineNr">317 </span> <a href='504test-screen.mu.html#L75'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">0xf</span>/fg=white, <span class="Constant">2</span>/y, <span class="Constant">"( "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L299'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-with-close-paren-at-end</a>: matching paren"</span>
<span id="L318" class="LineNr">318 </span><span class="Delimiter">}</span>
<span id="L319" class="LineNr">319 </span>
<span id="L320" class="LineNr">320 </span><span class="PreProc">fn</span> <span class="muTest"><a href='513grapheme-stack.mu.html#L320'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-with-close-paren-at-end-2</a></span> <span class="Delimiter">{</span>
<span id="L321" class="LineNr">321 </span> <span class="muComment"># setup: gs = "a((b))"</span>
<span id="L322" class="LineNr">322 </span> <span class="PreProc">var</span> gs-storage: <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>
<span id="L323" class="LineNr">323 </span> <span class="PreProc">var</span> gs/<span class="muRegEdi">edi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> address gs-storage
<span id="L324" class="LineNr">324 </span> <a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a> gs, <span class="Constant">0x10</span>
<span id="L325" class="LineNr">325 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy <span class="Constant">0x61</span>/a
<span id="L326" class="LineNr">326 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L327" class="LineNr">327 </span> g <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L328" class="LineNr">328 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L329" class="LineNr">329 </span> g <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L330" class="LineNr">330 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L331" class="LineNr">331 </span> g <span class="Special"><-</span> copy <span class="Constant">0x62</span>/b
<span id="L332" class="LineNr">332 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L333" class="LineNr">333 </span> g <span class="Special"><-</span> copy <span class="Constant">0x29</span>/close-paren
<span id="L334" class="LineNr">334 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L335" class="LineNr">335 </span> g <span class="Special"><-</span> copy <span class="Constant">0x29</span>/close-paren
<span id="L336" class="LineNr">336 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L337" class="LineNr">337 </span> <span class="muComment"># setup: screen</span>
<span id="L338" class="LineNr">338 </span> <span class="PreProc">var</span> screen-storage: <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L339" class="LineNr">339 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L16'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>) <span class="Special"><-</span> address screen-storage
<span id="L340" class="LineNr">340 </span> <a href='500fake-screen.mu.html#L34'>initialize-screen</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L341" class="LineNr">341 </span> <span class="muComment">#</span>
<span id="L342" class="LineNr">342 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L126'>render-stack-from-bottom</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/highlight-matching-open-paren, <span class="Constant">1</span>/open-paren-depth
<span id="L343" class="LineNr">343 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">"a((b)) "</span>, <span class="Constant">"F - test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-with-close-paren-at-end-2"</span>
<span id="L344" class="LineNr">344 </span> <a href='504test-screen.mu.html#L75'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">0xf</span>/fg=white, <span class="Constant">2</span>/y, <span class="Constant">" ( "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L320'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-with-close-paren-at-end-2</a>: matching paren"</span>
<span id="L345" class="LineNr">345 </span><span class="Delimiter">}</span>
<span id="L346" class="LineNr">346 </span>
<span id="L347" class="LineNr">347 </span><span class="PreProc">fn</span> <span class="muTest"><a href='513grapheme-stack.mu.html#L347'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren</a></span> <span class="Delimiter">{</span>
<span id="L348" class="LineNr">348 </span> <span class="muComment"># setup: gs = "(b"</span>
<span id="L349" class="LineNr">349 </span> <span class="PreProc">var</span> gs-storage: <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>
<span id="L350" class="LineNr">350 </span> <span class="PreProc">var</span> gs/<span class="muRegEdi">edi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> address gs-storage
<span id="L351" class="LineNr">351 </span> <a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a> gs, <span class="Constant">5</span>
<span id="L352" class="LineNr">352 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L353" class="LineNr">353 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L354" class="LineNr">354 </span> g <span class="Special"><-</span> copy <span class="Constant">0x62</span>/b
<span id="L355" class="LineNr">355 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L356" class="LineNr">356 </span> <span class="muComment"># setup: screen</span>
<span id="L357" class="LineNr">357 </span> <span class="PreProc">var</span> screen-storage: <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L358" class="LineNr">358 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L16'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>) <span class="Special"><-</span> address screen-storage
<span id="L359" class="LineNr">359 </span> <a href='500fake-screen.mu.html#L34'>initialize-screen</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L360" class="LineNr">360 </span> <span class="muComment">#</span>
<span id="L361" class="LineNr">361 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L126'>render-stack-from-bottom</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/highlight-matching-open-paren, <span class="Constant">0</span>/open-paren-depth
<span id="L362" class="LineNr">362 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">"(b "</span>, <span class="Constant">"F - test-render-code-point-utf8-stack-while-highlighting-matching-open-paren"</span>
<span id="L363" class="LineNr">363 </span> <a href='504test-screen.mu.html#L75'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">0xf</span>/fg=white, <span class="Constant">2</span>/y, <span class="Constant">"( "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L347'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren</a>: matching paren"</span>
<span id="L364" class="LineNr">364 </span><span class="Delimiter">}</span>
<span id="L365" class="LineNr">365 </span>
<span id="L366" class="LineNr">366 </span><span class="PreProc">fn</span> <span class="muTest"><a href='513grapheme-stack.mu.html#L366'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-2</a></span> <span class="Delimiter">{</span>
<span id="L367" class="LineNr">367 </span> <span class="muComment"># setup: gs = "a((b)"</span>
<span id="L368" class="LineNr">368 </span> <span class="PreProc">var</span> gs-storage: <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>
<span id="L369" class="LineNr">369 </span> <span class="PreProc">var</span> gs/<span class="muRegEdi">edi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> address gs-storage
<span id="L370" class="LineNr">370 </span> <a href='513grapheme-stack.mu.html#L8'>initialize-code-point-utf8-stack</a> gs, <span class="Constant">0x10</span>
<span id="L371" class="LineNr">371 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy <span class="Constant">0x61</span>/a
<span id="L372" class="LineNr">372 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L373" class="LineNr">373 </span> g <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L374" class="LineNr">374 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L375" class="LineNr">375 </span> g <span class="Special"><-</span> copy <span class="Constant">0x28</span>/open-paren
<span id="L376" class="LineNr">376 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L377" class="LineNr">377 </span> g <span class="Special"><-</span> copy <span class="Constant">0x62</span>/b
<span id="L378" class="LineNr">378 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L379" class="LineNr">379 </span> g <span class="Special"><-</span> copy <span class="Constant">0x29</span>/close-paren
<span id="L380" class="LineNr">380 </span> <a href='513grapheme-stack.mu.html#L39'>push-code-point-utf8-stack</a> gs, g
<span id="L381" class="LineNr">381 </span> <span class="muComment"># setup: screen</span>
<span id="L382" class="LineNr">382 </span> <span class="PreProc">var</span> screen-storage: <a href='500fake-screen.mu.html#L16'>screen</a>
<span id="L383" class="LineNr">383 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L16'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L16'>screen</a>) <span class="Special"><-</span> address screen-storage
<span id="L384" class="LineNr">384 </span> <a href='500fake-screen.mu.html#L34'>initialize-screen</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L385" class="LineNr">385 </span> <span class="muComment">#</span>
<span id="L386" class="LineNr">386 </span> <span class="PreProc">var</span> x/eax: int <span class="Special"><-</span> <a href='513grapheme-stack.mu.html#L126'>render-stack-from-bottom</a> <a href='500fake-screen.mu.html#L16'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/highlight-matching-open-paren, <span class="Constant">0</span>/open-paren-depth
<span id="L387" class="LineNr">387 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">"a((b) "</span>, <span class="Constant">"F - test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-2"</span>
<span id="L388" class="LineNr">388 </span> <a href='504test-screen.mu.html#L75'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L16'>screen</a>, <span class="Constant">0xf</span>/fg=white, <span class="Constant">2</span>/y, <span class="Constant">" ( "</span>, <span class="Constant">"F - <a href='513grapheme-stack.mu.html#L366'>test-render-code-point-utf8-stack-while-highlighting-matching-open-paren-2</a>: matching paren"</span>
<span id="L389" class="LineNr">389 </span><span class="Delimiter">}</span>
<span id="L390" class="LineNr">390 </span>
<span id="L391" class="LineNr">391 </span><span class="muComment"># return the index of the matching close-paren of the code-point-utf8 at cursor (top of stack)</span>
<span id="L392" class="LineNr">392 </span><span class="muComment"># or top index if there's no matching close-paren</span>
<span id="L393" class="LineNr">393 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L393'>get-matching-close-paren-index</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), render-cursor?: boolean<span class="PreProc"> -> </span>_/<span class="muRegEdx">edx</span>: int <span class="Delimiter">{</span>
<span id="L394" class="LineNr">394 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L395" class="LineNr">395 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEdx">edx</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L396" class="LineNr">396 </span> <span class="muComment"># if not rendering cursor, return</span>
<span id="L397" class="LineNr">397 </span> compare render-cursor?, <span class="Constant">0</span>/false
<span id="L398" class="LineNr">398 </span> <span class="Delimiter">{</span>
<span id="L399" class="LineNr">399 </span> <span class="PreProc">break-if-!=</span>
<span id="L400" class="LineNr">400 </span> <span class="PreProc">return</span> *top-addr
<span id="L401" class="LineNr">401 </span> <span class="Delimiter">}</span>
<span id="L402" class="LineNr">402 </span> <span class="PreProc">var</span> data-ah/eax: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L403" class="LineNr">403 </span> <span class="PreProc">var</span> data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L404" class="LineNr">404 </span> <span class="PreProc">var</span> i/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy *top-addr
<span id="L405" class="LineNr">405 </span> <span class="muComment"># if stack is empty, return</span>
<span id="L406" class="LineNr">406 </span> compare i, <span class="Constant">0</span>
<span id="L407" class="LineNr">407 </span> <span class="Delimiter">{</span>
<span id="L408" class="LineNr">408 </span> <span class="PreProc">break-if-></span>
<span id="L409" class="LineNr">409 </span> <span class="PreProc">return</span> *top-addr
<span id="L410" class="LineNr">410 </span> <span class="Delimiter">}</span>
<span id="L411" class="LineNr">411 </span> <span class="muComment"># if cursor is not '(' return</span>
<span id="L412" class="LineNr">412 </span> i <span class="Special"><-</span> decrement
<span id="L413" class="LineNr">413 </span> <span class="PreProc">var</span> g/<span class="muRegEsi">esi</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L414" class="LineNr">414 </span> compare *g, <span class="Constant">0x28</span>/open-paren
<span id="L415" class="LineNr">415 </span> <span class="Delimiter">{</span>
<span id="L416" class="LineNr">416 </span> <span class="PreProc">break-if-=</span>
<span id="L417" class="LineNr">417 </span> <span class="PreProc">return</span> *top-addr
<span id="L418" class="LineNr">418 </span> <span class="Delimiter">}</span>
<span id="L419" class="LineNr">419 </span> <span class="muComment"># otherwise scan to matching paren</span>
<span id="L420" class="LineNr">420 </span> <span class="PreProc">var</span> paren-count/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy <span class="Constant">1</span>
<span id="L421" class="LineNr">421 </span> i <span class="Special"><-</span> decrement
<span id="L422" class="LineNr">422 </span> <span class="Delimiter">{</span>
<span id="L423" class="LineNr">423 </span> compare i, <span class="Constant">0</span>
<span id="L424" class="LineNr">424 </span> <span class="PreProc">break-if-<</span>
<span id="L425" class="LineNr">425 </span> <span class="PreProc">var</span> g/<span class="muRegEsi">esi</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L426" class="LineNr">426 </span> compare *g, <span class="Constant">0x28</span>/open-paren
<span id="L427" class="LineNr">427 </span> <span class="Delimiter">{</span>
<span id="L428" class="LineNr">428 </span> <span class="PreProc">break-if-!=</span>
<span id="L429" class="LineNr">429 </span> paren-count <span class="Special"><-</span> increment
<span id="L430" class="LineNr">430 </span> <span class="Delimiter">}</span>
<span id="L431" class="LineNr">431 </span> compare *g, <span class="Constant">0x29</span>/close-paren
<span id="L432" class="LineNr">432 </span> <span class="Delimiter">{</span>
<span id="L433" class="LineNr">433 </span> <span class="PreProc">break-if-!=</span>
<span id="L434" class="LineNr">434 </span> compare paren-count, <span class="Constant">1</span>
<span id="L435" class="LineNr">435 </span> <span class="Delimiter">{</span>
<span id="L436" class="LineNr">436 </span> <span class="PreProc">break-if-!=</span>
<span id="L437" class="LineNr">437 </span> <span class="PreProc">return</span> i
<span id="L438" class="LineNr">438 </span> <span class="Delimiter">}</span>
<span id="L439" class="LineNr">439 </span> paren-count <span class="Special"><-</span> decrement
<span id="L440" class="LineNr">440 </span> <span class="Delimiter">}</span>
<span id="L441" class="LineNr">441 </span> i <span class="Special"><-</span> decrement
<span id="L442" class="LineNr">442 </span> <span class="PreProc">loop</span>
<span id="L443" class="LineNr">443 </span> <span class="Delimiter">}</span>
<span id="L444" class="LineNr">444 </span> <span class="PreProc">return</span> *top-addr
<span id="L445" class="LineNr">445 </span><span class="Delimiter">}</span>
<span id="L446" class="LineNr">446 </span>
<span id="L447" class="LineNr">447 </span><span class="muComment"># return the index of the first open-paren at the given depth</span>
<span id="L448" class="LineNr">448 </span><span class="muComment"># or top index if there's no matching close-paren</span>
<span id="L449" class="LineNr">449 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L449'>get-matching-open-paren-index</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), control: boolean, depth: int<span class="PreProc"> -> </span>_/<span class="muRegEdx">edx</span>: int <span class="Delimiter">{</span>
<span id="L450" class="LineNr">450 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L451" class="LineNr">451 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEdx">edx</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L452" class="LineNr">452 </span> <span class="muComment"># if not rendering cursor, return</span>
<span id="L453" class="LineNr">453 </span> compare control, <span class="Constant">0</span>/false
<span id="L454" class="LineNr">454 </span> <span class="Delimiter">{</span>
<span id="L455" class="LineNr">455 </span> <span class="PreProc">break-if-!=</span>
<span id="L456" class="LineNr">456 </span> <span class="PreProc">return</span> *top-addr
<span id="L457" class="LineNr">457 </span> <span class="Delimiter">}</span>
<span id="L458" class="LineNr">458 </span> <span class="PreProc">var</span> data-ah/eax: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L459" class="LineNr">459 </span> <span class="PreProc">var</span> data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L460" class="LineNr">460 </span> <span class="PreProc">var</span> i/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> copy *top-addr
<span id="L461" class="LineNr">461 </span> <span class="muComment"># if stack is empty, return</span>
<span id="L462" class="LineNr">462 </span> compare i, <span class="Constant">0</span>
<span id="L463" class="LineNr">463 </span> <span class="Delimiter">{</span>
<span id="L464" class="LineNr">464 </span> <span class="PreProc">break-if-></span>
<span id="L465" class="LineNr">465 </span> <span class="PreProc">return</span> *top-addr
<span id="L466" class="LineNr">466 </span> <span class="Delimiter">}</span>
<span id="L467" class="LineNr">467 </span> <span class="muComment"># scan to matching open paren</span>
<span id="L468" class="LineNr">468 </span> <span class="PreProc">var</span> paren-count/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L469" class="LineNr">469 </span> i <span class="Special"><-</span> decrement
<span id="L470" class="LineNr">470 </span> <span class="Delimiter">{</span>
<span id="L471" class="LineNr">471 </span> compare i, <span class="Constant">0</span>
<span id="L472" class="LineNr">472 </span> <span class="PreProc">break-if-<</span>
<span id="L473" class="LineNr">473 </span> <span class="PreProc">var</span> g/<span class="muRegEsi">esi</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L474" class="LineNr">474 </span> compare *g, <span class="Constant">0x29</span>/close-paren
<span id="L475" class="LineNr">475 </span> <span class="Delimiter">{</span>
<span id="L476" class="LineNr">476 </span> <span class="PreProc">break-if-!=</span>
<span id="L477" class="LineNr">477 </span> paren-count <span class="Special"><-</span> increment
<span id="L478" class="LineNr">478 </span> <span class="Delimiter">}</span>
<span id="L479" class="LineNr">479 </span> compare *g, <span class="Constant">0x28</span>/open-paren
<span id="L480" class="LineNr">480 </span> <span class="Delimiter">{</span>
<span id="L481" class="LineNr">481 </span> <span class="PreProc">break-if-!=</span>
<span id="L482" class="LineNr">482 </span> compare paren-count, depth
<span id="L483" class="LineNr">483 </span> <span class="Delimiter">{</span>
<span id="L484" class="LineNr">484 </span> <span class="PreProc">break-if-!=</span>
<span id="L485" class="LineNr">485 </span> <span class="PreProc">return</span> i
<span id="L486" class="LineNr">486 </span> <span class="Delimiter">}</span>
<span id="L487" class="LineNr">487 </span> paren-count <span class="Special"><-</span> decrement
<span id="L488" class="LineNr">488 </span> <span class="Delimiter">}</span>
<span id="L489" class="LineNr">489 </span> i <span class="Special"><-</span> decrement
<span id="L490" class="LineNr">490 </span> <span class="PreProc">loop</span>
<span id="L491" class="LineNr">491 </span> <span class="Delimiter">}</span>
<span id="L492" class="LineNr">492 </span> <span class="PreProc">return</span> *top-addr
<span id="L493" class="LineNr">493 </span><span class="Delimiter">}</span>
<span id="L494" class="LineNr">494 </span>
<span id="L495" class="LineNr">495 </span><span class="muComment"># compare from bottom</span>
<span id="L496" class="LineNr">496 </span><span class="muComment"># beware: modifies 'stream', which must be disposed of after a false result</span>
<span id="L497" class="LineNr">497 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L497'>prefix-match?</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), s: (addr stream byte)<span class="PreProc"> -> </span>_/eax: boolean <span class="Delimiter">{</span>
<span id="L498" class="LineNr">498 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L499" class="LineNr">499 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEdi">edi</span>: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L500" class="LineNr">500 </span> <span class="PreProc">var</span> _data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L501" class="LineNr">501 </span> <span class="PreProc">var</span> data/<span class="muRegEdi">edi</span>: (addr array code-point-utf8) <span class="Special"><-</span> copy _data
<span id="L502" class="LineNr">502 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L503" class="LineNr">503 </span> <span class="PreProc">var</span> i/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L504" class="LineNr">504 </span> <span class="Delimiter">{</span>
<span id="L505" class="LineNr">505 </span> compare i, *top-addr
<span id="L506" class="LineNr">506 </span> <span class="PreProc">break-if->=</span>
<span id="L507" class="LineNr">507 </span> <span class="muComment"># if curr != expected, return false</span>
<span id="L508" class="LineNr">508 </span> <span class="Delimiter">{</span>
<span id="L509" class="LineNr">509 </span> <span class="PreProc">var</span> curr-a/<span class="muRegEdx">edx</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L510" class="LineNr">510 </span> <span class="PreProc">var</span> expected/eax: code-point-utf8 <span class="Special"><-</span> <a href='403unicode.mu.html#L229'>read-code-point-utf8</a> s
<span id="L511" class="LineNr">511 </span> <span class="Delimiter">{</span>
<span id="L512" class="LineNr">512 </span> compare expected, *curr-a
<span id="L513" class="LineNr">513 </span> <span class="PreProc">break-if-=</span>
<span id="L514" class="LineNr">514 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L515" class="LineNr">515 </span> <span class="Delimiter">}</span>
<span id="L516" class="LineNr">516 </span> <span class="Delimiter">}</span>
<span id="L517" class="LineNr">517 </span> i <span class="Special"><-</span> increment
<span id="L518" class="LineNr">518 </span> <span class="PreProc">loop</span>
<span id="L519" class="LineNr">519 </span> <span class="Delimiter">}</span>
<span id="L520" class="LineNr">520 </span> <span class="PreProc">return</span> <span class="Constant">1</span> <span class="muComment"># true</span>
<span id="L521" class="LineNr">521 </span><span class="Delimiter">}</span>
<span id="L522" class="LineNr">522 </span>
<span id="L523" class="LineNr">523 </span><span class="muComment"># compare from bottom</span>
<span id="L524" class="LineNr">524 </span><span class="muComment"># beware: modifies 'stream', which must be disposed of after a false result</span>
<span id="L525" class="LineNr">525 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L525'>suffix-match?</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>), s: (addr stream byte)<span class="PreProc"> -> </span>_/eax: boolean <span class="Delimiter">{</span>
<span id="L526" class="LineNr">526 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L527" class="LineNr">527 </span> <span class="PreProc">var</span> data-ah/<span class="muRegEdi">edi</span>: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L528" class="LineNr">528 </span> <span class="PreProc">var</span> _data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L529" class="LineNr">529 </span> <span class="PreProc">var</span> data/<span class="muRegEdi">edi</span>: (addr array code-point-utf8) <span class="Special"><-</span> copy _data
<span id="L530" class="LineNr">530 </span> <span class="PreProc">var</span> top-addr/eax: (addr int) <span class="Special"><-</span> get self, top
<span id="L531" class="LineNr">531 </span> <span class="PreProc">var</span> i/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy *top-addr
<span id="L532" class="LineNr">532 </span> i <span class="Special"><-</span> decrement
<span id="L533" class="LineNr">533 </span> <span class="Delimiter">{</span>
<span id="L534" class="LineNr">534 </span> compare i, <span class="Constant">0</span>
<span id="L535" class="LineNr">535 </span> <span class="PreProc">break-if-<</span>
<span id="L536" class="LineNr">536 </span> <span class="Delimiter">{</span>
<span id="L537" class="LineNr">537 </span> <span class="PreProc">var</span> curr-a/<span class="muRegEdx">edx</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L538" class="LineNr">538 </span> <span class="PreProc">var</span> expected/eax: code-point-utf8 <span class="Special"><-</span> <a href='403unicode.mu.html#L229'>read-code-point-utf8</a> s
<span id="L539" class="LineNr">539 </span> <span class="muComment"># if curr != expected, return false</span>
<span id="L540" class="LineNr">540 </span> <span class="Delimiter">{</span>
<span id="L541" class="LineNr">541 </span> compare expected, *curr-a
<span id="L542" class="LineNr">542 </span> <span class="PreProc">break-if-=</span>
<span id="L543" class="LineNr">543 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L544" class="LineNr">544 </span> <span class="Delimiter">}</span>
<span id="L545" class="LineNr">545 </span> <span class="Delimiter">}</span>
<span id="L546" class="LineNr">546 </span> i <span class="Special"><-</span> decrement
<span id="L547" class="LineNr">547 </span> <span class="PreProc">loop</span>
<span id="L548" class="LineNr">548 </span> <span class="Delimiter">}</span>
<span id="L549" class="LineNr">549 </span> <span class="PreProc">return</span> <span class="Constant">1</span> <span class="muComment"># true</span>
<span id="L550" class="LineNr">550 </span><span class="Delimiter">}</span>
<span id="L551" class="LineNr">551 </span>
<span id="L552" class="LineNr">552 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='513grapheme-stack.mu.html#L552'>code-point-utf8-stack-is-decimal-integer?</a></span> _self: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>)<span class="PreProc"> -> </span>_/eax: boolean <span class="Delimiter">{</span>
<span id="L553" class="LineNr">553 </span> <span class="PreProc">var</span> self/<span class="muRegEsi">esi</span>: (addr <a href='513grapheme-stack.mu.html#L3'>code-point-utf8-stack</a>) <span class="Special"><-</span> copy _self
<span id="L554" class="LineNr">554 </span> <span class="PreProc">var</span> data-ah/eax: (addr handle array code-point-utf8) <span class="Special"><-</span> get self, data
<span id="L555" class="LineNr">555 </span> <span class="PreProc">var</span> _data/eax: (addr array code-point-utf8) <span class="Special"><-</span> <a href='120allocate.subx.html#L235'>lookup</a> *data-ah
<span id="L556" class="LineNr">556 </span> <span class="PreProc">var</span> data/<span class="muRegEdx">edx</span>: (addr array code-point-utf8) <span class="Special"><-</span> copy _data
<span id="L557" class="LineNr">557 </span> <span class="PreProc">var</span> top-addr/<span class="muRegEcx">ecx</span>: (addr int) <span class="Special"><-</span> get self, top
<span id="L558" class="LineNr">558 </span> <span class="PreProc">var</span> i/<span class="muRegEbx">ebx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L559" class="LineNr">559 </span> <span class="PreProc">var</span> result/eax: boolean <span class="Special"><-</span> copy <span class="Constant">1</span>/true
<span id="L560" class="LineNr">560 </span> $code-point-utf8-stack-is-integer?:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
<span id="L561" class="LineNr">561 </span> compare i, *top-addr
<span id="L562" class="LineNr">562 </span> <span class="PreProc">break-if->=</span>
<span id="L563" class="LineNr">563 </span> <span class="PreProc">var</span> g/<span class="muRegEdx">edx</span>: (addr code-point-utf8) <span class="Special"><-</span> index data, i
<span id="L564" class="LineNr">564 </span> result <span class="Special"><-</span> <a href='126write-int-decimal.subx.html#L327'>decimal-digit?</a> *g
<span id="L565" class="LineNr">565 </span> compare result, <span class="Constant">0</span>/false
<span id="L566" class="LineNr">566 </span> <span class="PreProc">break-if-=</span>
<span id="L567" class="LineNr">567 </span> i <span class="Special"><-</span> increment
<span id="L568" class="LineNr">568 </span> <span class="PreProc">loop</span>
<span id="L569" class="LineNr">569 </span> <span class="Delimiter">}</span>
<span id="L570" class="LineNr">570 </span> <span class="PreProc">return</span> result
<span id="L571" class="LineNr">571 </span><span class="Delimiter">}</span>
</pre>
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