6958

author: Kartik Agaram <vc@akkartik.com> 2020-10-05 11:00:05 -0700
committer: Kartik Agaram <vc@akkartik.com> 2020-10-05 11:00:05 -0700
commit: d3a9db3aff54ea485f409eaaef3d8f56ad77f0dc (patch)
tree: 60858669ff7c5a5b041e4dacb8ffffa0a4b3e68a /html/apps/tile/grapheme-stack.mu.html
parent: f13576b5d273ef9175e938b15f55bb1ead22fb1d (diff)
download: mu-d3a9db3aff54ea485f409eaaef3d8f56ad77f0dc.tar.gz
1 files changed, 221 insertions, 0 deletions
diff --git a/html/apps/tile/grapheme-stack.mu.html b/html/apps/tile/grapheme-stack.mu.html
new file mode 100644
index 00000000..32f7aa0b
--- /dev/null
+++ b/html/apps/tile/grapheme-stack.mu.html
@@ -0,0 +1,221 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - apps/tile/grapheme-stack.mu</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal-light">
+<style type="text/css">
+<!--
+pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; }
+body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; }
+a { color:inherit; }
+* { font-size:12pt; font-size: 1em; }
+.muComment { color: #005faf; }
+.LineNr { }
+.SpecialChar { color: #d70000; }
+.Delimiter { color: #c000c0; }
+.muFunction { color: #af5f00; text-decoration: underline; }
+.Constant { color: #008787; }
+.PreProc { color: #c000c0; }
+-->
+</style>
+
+<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;
+  }
+  var 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 onload='JumpToLine();'>
+<a href='https://github.com/akkartik/mu/blob/master/apps/tile/grapheme-stack.mu'>https://github.com/akkartik/mu/blob/master/apps/tile/grapheme-stack.mu</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr">  1 </span><span class="PreProc">type</span> <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a> <span class="Delimiter">{</span>
+<span id="L2" class="LineNr">  2 </span>  data: (handle array grapheme)
+<span id="L3" class="LineNr">  3 </span>  <a href='../../203stack.subx.html#L338'>top</a>: int
+<span id="L4" class="LineNr">  4 </span><span class="Delimiter">}</span>
+<span id="L5" class="LineNr">  5 </span>
+<span id="L6" class="LineNr">  6 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L6'>initialize-grapheme-stack</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>), n: int <span class="Delimiter">{</span>
+<span id="L7" class="LineNr">  7 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L8" class="LineNr">  8 </span>  <span class="PreProc">var</span> d/<span class="Constant">edi</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
+<span id="L9" class="LineNr">  9 </span>  populate d, n
+<span id="L10" class="LineNr"> 10 </span>  <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L11" class="LineNr"> 11 </span>  copy-to *top, <span class="Constant">0</span>
+<span id="L12" class="LineNr"> 12 </span><span class="Delimiter">}</span>
+<span id="L13" class="LineNr"> 13 </span>
+<span id="L14" class="LineNr"> 14 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L14'>grapheme-stack-empty?</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>)<span class="PreProc"> -&gt; </span>result/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L15" class="LineNr"> 15 </span>$grapheme-stack-empty?:body: <span class="Delimiter">{</span>
+<span id="L16" class="LineNr"> 16 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L17" class="LineNr"> 17 </span>  <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L18" class="LineNr"> 18 </span>  compare *top, <span class="Constant">0</span>
+<span id="L19" class="LineNr"> 19 </span>  <span class="Delimiter">{</span>
+<span id="L20" class="LineNr"> 20 </span>    <span class="PreProc">break-if-=</span>
+<span id="L21" class="LineNr"> 21 </span>    result <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>  <span class="muComment"># false</span>
+<span id="L22" class="LineNr"> 22 </span>    <span class="PreProc">break</span> $grapheme-stack-empty?:body
+<span id="L23" class="LineNr"> 23 </span>  <span class="Delimiter">}</span>
+<span id="L24" class="LineNr"> 24 </span>  result <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">}</span>
+<span id="L26" class="LineNr"> 26 </span><span class="Delimiter">}</span>
+<span id="L27" class="LineNr"> 27 </span>
+<span id="L28" class="LineNr"> 28 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L28'>push-grapheme-stack</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>), _val: grapheme <span class="Delimiter">{</span>
+<span id="L29" class="LineNr"> 29 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L30" class="LineNr"> 30 </span>  <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L31" class="LineNr"> 31 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">edx</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
+<span id="L32" class="LineNr"> 32 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L33" class="LineNr"> 33 </span>  <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
+<span id="L34" class="LineNr"> 34 </span>  <span class="PreProc">var</span> dest-addr/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L35" class="LineNr"> 35 </span>  <span class="PreProc">var</span> val/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> copy _val
+<span id="L36" class="LineNr"> 36 </span>  copy-to *dest-addr, val
+<span id="L37" class="LineNr"> 37 </span>  add-to *top-addr, <span class="Constant">1</span>
+<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">}</span>
+<span id="L39" class="LineNr"> 39 </span>
+<span id="L40" class="LineNr"> 40 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L40'>pop-grapheme-stack</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>)<span class="PreProc"> -&gt; </span>val/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span>
+<span id="L41" class="LineNr"> 41 </span>$pop-grapheme-stack:body: <span class="Delimiter">{</span>
+<span id="L42" class="LineNr"> 42 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L43" class="LineNr"> 43 </span>  <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L44" class="LineNr"> 44 </span>  <span class="Delimiter">{</span>
+<span id="L45" class="LineNr"> 45 </span>    compare *top-addr, <span class="Constant">0</span>
+<span id="L46" class="LineNr"> 46 </span>    <span class="PreProc">break-if-&gt;</span>
+<span id="L47" class="LineNr"> 47 </span>    val <span class="SpecialChar">&lt;-</span> copy <span class="Constant">-1</span>
+<span id="L48" class="LineNr"> 48 </span>    <span class="PreProc">break</span> $pop-grapheme-stack:body
+<span id="L49" class="LineNr"> 49 </span>  <span class="Delimiter">}</span>
+<span id="L50" class="LineNr"> 50 </span>  subtract-from *top-addr, <span class="Constant">1</span>
+<span id="L51" class="LineNr"> 51 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">edx</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
+<span id="L52" class="LineNr"> 52 </span>  <span class="PreProc">var</span> data/<span class="Constant">eax</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L53" class="LineNr"> 53 </span>  <span class="PreProc">var</span> <a href='../../203stack.subx.html#L338'>top</a>/<span class="Constant">edx</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
+<span id="L54" class="LineNr"> 54 </span>  <span class="PreProc">var</span> result-addr/<span class="Constant">eax</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L55" class="LineNr"> 55 </span>  val <span class="SpecialChar">&lt;-</span> copy *result-addr
+<span id="L56" class="LineNr"> 56 </span><span class="Delimiter">}</span>
+<span id="L57" class="LineNr"> 57 </span><span class="Delimiter">}</span>
+<span id="L58" class="LineNr"> 58 </span>
+<span id="L59" class="LineNr"> 59 </span><span class="muComment"># dump stack to screen from bottom to top</span>
+<span id="L60" class="LineNr"> 60 </span><span class="muComment"># don't move the cursor or anything</span>
+<span id="L61" class="LineNr"> 61 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L61'>render-stack-from-bottom</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>), <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="Delimiter">{</span>
+<span id="L62" class="LineNr"> 62 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L63" class="LineNr"> 63 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">edi</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
+<span id="L64" class="LineNr"> 64 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L65" class="LineNr"> 65 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
+<span id="L66" class="LineNr"> 66 </span>  <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L67" class="LineNr"> 67 </span>  <span class="PreProc">var</span> i/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L68" class="LineNr"> 68 </span>  <span class="Delimiter">{</span>
+<span id="L69" class="LineNr"> 69 </span>    compare i, *top-addr
+<span id="L70" class="LineNr"> 70 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">var</span> g/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
+<span id="L72" class="LineNr"> 72 </span>    <a href='../../405screen.mu.html#L206'>print-grapheme</a> <a href='../../405screen.mu.html#L9'>screen</a>, *g
+<span id="L73" class="LineNr"> 73 </span>    i <span class="SpecialChar">&lt;-</span> increment
+<span id="L74" class="LineNr"> 74 </span>    <span class="PreProc">loop</span>
+<span id="L75" class="LineNr"> 75 </span>  <span class="Delimiter">}</span>
+<span id="L76" class="LineNr"> 76 </span><span class="Delimiter">}</span>
+<span id="L77" class="LineNr"> 77 </span>
+<span id="L78" class="LineNr"> 78 </span><span class="muComment"># dump stack to screen from top to bottom</span>
+<span id="L79" class="LineNr"> 79 </span><span class="muComment"># don't move the cursor or anything</span>
+<span id="L80" class="LineNr"> 80 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L80'>render-stack-from-top</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>), <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="Delimiter">{</span>
+<span id="L81" class="LineNr"> 81 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L82" class="LineNr"> 82 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">edi</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
+<span id="L83" class="LineNr"> 83 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L84" class="LineNr"> 84 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
+<span id="L85" class="LineNr"> 85 </span>  <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> i/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
+<span id="L87" class="LineNr"> 87 </span>  i <span class="SpecialChar">&lt;-</span> decrement
+<span id="L88" class="LineNr"> 88 </span>  <span class="Delimiter">{</span>
+<span id="L89" class="LineNr"> 89 </span>    compare i, <span class="Constant">0</span>
+<span id="L90" class="LineNr"> 90 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L91" class="LineNr"> 91 </span>    <span class="PreProc">var</span> g/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
+<span id="L92" class="LineNr"> 92 </span>    <a href='../../405screen.mu.html#L206'>print-grapheme</a> <a href='../../405screen.mu.html#L9'>screen</a>, *g
+<span id="L93" class="LineNr"> 93 </span>    i <span class="SpecialChar">&lt;-</span> decrement
+<span id="L94" class="LineNr"> 94 </span>    <span class="PreProc">loop</span>
+<span id="L95" class="LineNr"> 95 </span>  <span class="Delimiter">}</span>
+<span id="L96" class="LineNr"> 96 </span><span class="Delimiter">}</span>
+<span id="L97" class="LineNr"> 97 </span>
+<span id="L98" class="LineNr"> 98 </span><span class="muComment"># compare from bottom</span>
+<span id="L99" class="LineNr"> 99 </span><span class="muComment"># beware: modifies 'stream', which must be disposed of after a false result</span>
+<span id="L100" class="LineNr">100 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L100'>prefix-match?</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>), s: (addr stream byte)<span class="PreProc"> -&gt; </span>result/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L101" class="LineNr">101 </span>$prefix-match?:body: <span class="Delimiter">{</span>
+<span id="L102" class="LineNr">102 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L103" class="LineNr">103 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">edi</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
+<span id="L104" class="LineNr">104 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L105" class="LineNr">105 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
+<span id="L106" class="LineNr">106 </span>  <span class="PreProc">var</span> top-addr/<span class="Constant">ecx</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L107" class="LineNr">107 </span>  <span class="PreProc">var</span> i/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>
+<span id="L108" class="LineNr">108 </span>  <span class="Delimiter">{</span>
+<span id="L109" class="LineNr">109 </span>    compare i, *top-addr
+<span id="L110" class="LineNr">110 </span>    <span class="PreProc">break-if-&gt;=</span>
+<span id="L111" class="LineNr">111 </span>    <span class="muComment"># if curr != expected, return false</span>
+<span id="L112" class="LineNr">112 </span>    <span class="Delimiter">{</span>
+<span id="L113" class="LineNr">113 </span>      <span class="PreProc">var</span> curr-a/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
+<span id="L114" class="LineNr">114 </span>      <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='../../403unicode.mu.html#L160'>read-grapheme</a> s
+<span id="L115" class="LineNr">115 </span>      <span class="Delimiter">{</span>
+<span id="L116" class="LineNr">116 </span>        compare expected, *curr-a
+<span id="L117" class="LineNr">117 </span>        <span class="PreProc">break-if-=</span>
+<span id="L118" class="LineNr">118 </span>        result <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L119" class="LineNr">119 </span>        <span class="PreProc">break</span> $prefix-match?:body
+<span id="L120" class="LineNr">120 </span>      <span class="Delimiter">}</span>
+<span id="L121" class="LineNr">121 </span>    <span class="Delimiter">}</span>
+<span id="L122" class="LineNr">122 </span>    i <span class="SpecialChar">&lt;-</span> increment
+<span id="L123" class="LineNr">123 </span>    <span class="PreProc">loop</span>
+<span id="L124" class="LineNr">124 </span>  <span class="Delimiter">}</span>
+<span id="L125" class="LineNr">125 </span>  result <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>   <span class="muComment"># true</span>
+<span id="L126" class="LineNr">126 </span><span class="Delimiter">}</span>
+<span id="L127" class="LineNr">127 </span><span class="Delimiter">}</span>
+<span id="L128" class="LineNr">128 </span>
+<span id="L129" class="LineNr">129 </span><span class="muComment"># compare from bottom</span>
+<span id="L130" class="LineNr">130 </span><span class="muComment"># beware: modifies 'stream', which must be disposed of after a false result</span>
+<span id="L131" class="LineNr">131 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L131'>suffix-match?</a></span> _self: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>), s: (addr stream byte)<span class="PreProc"> -&gt; </span>result/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
+<span id="L132" class="LineNr">132 </span>$suffix-match?:body: <span class="Delimiter">{</span>
+<span id="L133" class="LineNr">133 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L1'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
+<span id="L134" class="LineNr">134 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">edi</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
+<span id="L135" class="LineNr">135 </span>  <span class="PreProc">var</span> _data/<span class="Constant">eax</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *data-ah
+<span id="L136" class="LineNr">136 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
+<span id="L137" class="LineNr">137 </span>  <span class="PreProc">var</span> top-addr/<span class="Constant">eax</span>: (addr int) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, <a href='../../203stack.subx.html#L338'>top</a>
+<span id="L138" class="LineNr">138 </span>  <span class="PreProc">var</span> i/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
+<span id="L139" class="LineNr">139 </span>  i <span class="SpecialChar">&lt;-</span> decrement
+<span id="L140" class="LineNr">140 </span>  <span class="Delimiter">{</span>
+<span id="L141" class="LineNr">141 </span>    compare i, <span class="Constant">0</span>
+<span id="L142" class="LineNr">142 </span>    <span class="PreProc">break-if-&lt;</span>
+<span id="L143" class="LineNr">143 </span>    <span class="Delimiter">{</span>
+<span id="L144" class="LineNr">144 </span>      <span class="PreProc">var</span> curr-a/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
+<span id="L145" class="LineNr">145 </span>      <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='../../403unicode.mu.html#L160'>read-grapheme</a> s
+<span id="L146" class="LineNr">146 </span>      <span class="muComment"># if curr != expected, return false</span>
+<span id="L147" class="LineNr">147 </span>      <span class="Delimiter">{</span>
+<span id="L148" class="LineNr">148 </span>        compare expected, *curr-a
+<span id="L149" class="LineNr">149 </span>        <span class="PreProc">break-if-=</span>
+<span id="L150" class="LineNr">150 </span>        result <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span>  <span class="muComment"># false</span>
+<span id="L151" class="LineNr">151 </span>        <span class="PreProc">break</span> $suffix-match?:body
+<span id="L152" class="LineNr">152 </span>      <span class="Delimiter">}</span>
+<span id="L153" class="LineNr">153 </span>    <span class="Delimiter">}</span>
+<span id="L154" class="LineNr">154 </span>    i <span class="SpecialChar">&lt;-</span> decrement
+<span id="L155" class="LineNr">155 </span>    <span class="PreProc">loop</span>
+<span id="L156" class="LineNr">156 </span>  <span class="Delimiter">}</span>
+<span id="L157" class="LineNr">157 </span>  result <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>   <span class="muComment"># true</span>
+<span id="L158" class="LineNr">158 </span><span class="Delimiter">}</span>
+<span id="L159" class="LineNr">159 </span><span class="Delimiter">}</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
author	Kartik Agaram <vc@akkartik.com>	2020-10-05 11:00:05 -0700
committer	Kartik Agaram <vc@akkartik.com>	2020-10-05 11:00:05 -0700
commit	d3a9db3aff54ea485f409eaaef3d8f56ad77f0dc (patch)
tree	60858669ff7c5a5b041e4dacb8ffffa0a4b3e68a /html/apps/tile/grapheme-stack.mu.html
parent	f13576b5d273ef9175e938b15f55bb1ead22fb1d (diff)
download	mu-d3a9db3aff54ea485f409eaaef3d8f56ad77f0dc.tar.gz