summary refs log tree commit diff stats
path: root/svc/go.mod
diff options
context:
space:
mode:
authorBen Morrison <ben@gbmor.dev>2019-06-06 02:21:00 -0400
committerBen Morrison <ben@gbmor.dev>2019-06-06 02:22:56 -0400
commiteca8525e5811cad371e407507594fa95d8db98c1 (patch)
tree8f1467964c280dffd17f6c432efe0b03bf42bf3e /svc/go.mod
parent1a15258ee5d93ffef8f8c768ff725d7429a3248c (diff)
downloadgetwtxt-eca8525e5811cad371e407507594fa95d8db98c1.tar.gz
deduplicated duplicate deduplication functions
Diffstat (limited to 'svc/go.mod')
0 files changed, 0 insertions, 0 deletions
'n81' href='#n81'>81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
<!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 - baremetal/shell/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; }
.PreProc { color: #c000c0; }
.LineNr { }
.Constant { color: #008787; }
.SpecialChar { color: #d70000; }
.Delimiter { color: #c000c0; }
.muFunction { color: #af5f00; text-decoration: underline; }
.muTest { color: #5f8700; }
.muComment { color: #005faf; }
-->
</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/main/baremetal/shell/grapheme-stack.mu'>https://github.com/akkartik/mu/blob/main/baremetal/shell/grapheme-stack.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="muComment"># grapheme stacks are the smallest unit of editable text</span>
<span id="L2" class="LineNr">  2 </span><span class="muComment"># they are typically rendered horizontally</span>
<span id="L3" class="LineNr">  3 </span>
<span id="L4" class="LineNr">  4 </span><span class="PreProc">type</span> <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a> <span class="Delimiter">{</span>
<span id="L5" class="LineNr">  5 </span>  data: (handle array grapheme)
<span id="L6" class="LineNr">  6 </span>  <a href='../../203stack.subx.html#L338'>top</a>: int
<span id="L7" class="LineNr">  7 </span><span class="Delimiter">}</span>
<span id="L8" class="LineNr">  8 </span>
<span id="L9" class="LineNr">  9 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L9'>initialize-grapheme-stack</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>), n: int <span class="Delimiter">{</span>
<span id="L10" class="LineNr"> 10 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L11" class="LineNr"> 11 </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="L12" class="LineNr"> 12 </span>  populate d, n
<span id="L13" class="LineNr"> 13 </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="L14" class="LineNr"> 14 </span>  copy-to *top, <span class="Constant">0</span>
<span id="L15" class="LineNr"> 15 </span><span class="Delimiter">}</span>
<span id="L16" class="LineNr"> 16 </span>
<span id="L17" class="LineNr"> 17 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L17'>clear-grapheme-stack</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="Delimiter">{</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L19" class="LineNr"> 19 </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="L20" class="LineNr"> 20 </span>  copy-to *top, <span class="Constant">0</span>
<span id="L21" class="LineNr"> 21 </span><span class="Delimiter">}</span>
<span id="L22" class="LineNr"> 22 </span>
<span id="L23" class="LineNr"> 23 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L23'>grapheme-stack-empty?</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L25" class="LineNr"> 25 </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="L26" class="LineNr"> 26 </span>  compare *top, <span class="Constant">0</span>
<span id="L27" class="LineNr"> 27 </span>  <span class="Delimiter">{</span>
<span id="L28" class="LineNr"> 28 </span>    <span class="PreProc">break-if-!=</span>
<span id="L29" class="LineNr"> 29 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
<span id="L30" class="LineNr"> 30 </span>  <span class="Delimiter">}</span>
<span id="L31" class="LineNr"> 31 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L32" class="LineNr"> 32 </span><span class="Delimiter">}</span>
<span id="L33" class="LineNr"> 33 </span>
<span id="L34" class="LineNr"> 34 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L34'>push-grapheme-stack</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>), _val: grapheme <span class="Delimiter">{</span>
<span id="L35" class="LineNr"> 35 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L36" class="LineNr"> 36 </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="L37" class="LineNr"> 37 </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="L38" class="LineNr"> 38 </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#L258'>lookup</a> *data-ah
<span id="L39" class="LineNr"> 39 </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="L40" class="LineNr"> 40 </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="L41" class="LineNr"> 41 </span>  <span class="PreProc">var</span> val/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> copy _val
<span id="L42" class="LineNr"> 42 </span>  copy-to *dest-addr, val
<span id="L43" class="LineNr"> 43 </span>  add-to *top-addr, <span class="Constant">1</span>
<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">}</span>
<span id="L45" class="LineNr"> 45 </span>
<span id="L46" class="LineNr"> 46 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L46'>pop-grapheme-stack</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: grapheme <span class="Delimiter">{</span>
<span id="L47" class="LineNr"> 47 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L48" class="LineNr"> 48 </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="L49" class="LineNr"> 49 </span>  <span class="Delimiter">{</span>
<span id="L50" class="LineNr"> 50 </span>    compare *top-addr, <span class="Constant">0</span>
<span id="L51" class="LineNr"> 51 </span>    <span class="PreProc">break-if-&gt;</span>
<span id="L52" class="LineNr"> 52 </span>    <span class="PreProc">return</span> <span class="Constant">-1</span>
<span id="L53" class="LineNr"> 53 </span>  <span class="Delimiter">}</span>
<span id="L54" class="LineNr"> 54 </span>  subtract-from *top-addr, <span class="Constant">1</span>
<span id="L55" class="LineNr"> 55 </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="L56" class="LineNr"> 56 </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#L258'>lookup</a> *data-ah
<span id="L57" class="LineNr"> 57 </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="L58" class="LineNr"> 58 </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="L59" class="LineNr"> 59 </span>  <span class="PreProc">return</span> *result-addr
<span id="L60" class="LineNr"> 60 </span><span class="Delimiter">}</span>
<span id="L61" class="LineNr"> 61 </span>
<span id="L62" class="LineNr"> 62 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L62'>copy-grapheme-stack</a></span> _src: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>), dest: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="Delimiter">{</span>
<span id="L63" class="LineNr"> 63 </span>  <span class="PreProc">var</span> src/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _src
<span id="L64" class="LineNr"> 64 </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> src, data
<span id="L65" class="LineNr"> 65 </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#L258'>lookup</a> *data-ah
<span id="L66" class="LineNr"> 66 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
<span id="L67" class="LineNr"> 67 </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> src, <a href='../../203stack.subx.html#L338'>top</a>
<span id="L68" class="LineNr"> 68 </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="L69" class="LineNr"> 69 </span>  <span class="Delimiter">{</span>
<span id="L70" class="LineNr"> 70 </span>    compare i, *top-addr
<span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">break-if-&gt;=</span>
<span id="L72" class="LineNr"> 72 </span>    <span class="PreProc">var</span> g/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
<span id="L73" class="LineNr"> 73 </span>    <a href='grapheme-stack.mu.html#L34'>push-grapheme-stack</a> dest, *g
<span id="L74" class="LineNr"> 74 </span>    i <span class="SpecialChar">&lt;-</span> increment
<span id="L75" class="LineNr"> 75 </span>    <span class="PreProc">loop</span>
<span id="L76" class="LineNr"> 76 </span>  <span class="Delimiter">}</span>
<span id="L77" class="LineNr"> 77 </span><span class="Delimiter">}</span>
<span id="L78" class="LineNr"> 78 </span>
<span id="L79" class="LineNr"> 79 </span><span class="muComment"># dump stack to screen from bottom to top</span>
<span id="L80" class="LineNr"> 80 </span><span class="muComment"># colors hardcoded</span>
<span id="L81" class="LineNr"> 81 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L81'>render-stack-from-bottom</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>), x: int, y: int<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
<span id="L82" class="LineNr"> 82 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L83" class="LineNr"> 83 </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="L84" class="LineNr"> 84 </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#L258'>lookup</a> *data-ah
<span id="L85" class="LineNr"> 85 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
<span id="L86" class="LineNr"> 86 </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="L87" class="LineNr"> 87 </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="L88" class="LineNr"> 88 </span>  <span class="Delimiter">{</span>
<span id="L89" class="LineNr"> 89 </span>    compare i, *top-addr
<span id="L90" class="LineNr"> 90 </span>    <span class="PreProc">break-if-&gt;=</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>    draw-grapheme <a href='../../405screen.mu.html#L9'>screen</a>, *g, x, y, <span class="Constant">3</span>/fg=cyan, <span class="Constant">0</span>/bg
<span id="L93" class="LineNr"> 93 </span>    i <span class="SpecialChar">&lt;-</span> increment
<span id="L94" class="LineNr"> 94 </span>    increment x  <span class="muComment"># assume left to right</span>
<span id="L95" class="LineNr"> 95 </span>    <span class="PreProc">loop</span>
<span id="L96" class="LineNr"> 96 </span>  <span class="Delimiter">}</span>
<span id="L97" class="LineNr"> 97 </span>  <span class="PreProc">return</span> x
<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">}</span>
<span id="L99" class="LineNr"> 99 </span>
<span id="L100" class="LineNr">100 </span><span class="muComment"># dump stack to screen from top to bottom</span>
<span id="L101" class="LineNr">101 </span><span class="muComment"># optionally render a 'cursor' with the top grapheme</span>
<span id="L102" class="LineNr">102 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L102'>render-stack-from-top</a></span> <a href='../../405screen.mu.html#L9'>screen</a>: (addr <a href='../../405screen.mu.html#L9'>screen</a>), _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>), x: int, y: int, render-cursor?: boolean<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span>
<span id="L103" class="LineNr">103 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L104" class="LineNr">104 </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="L105" class="LineNr">105 </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#L258'>lookup</a> *data-ah
<span id="L106" class="LineNr">106 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
<span id="L107" class="LineNr">107 </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="L108" class="LineNr">108 </span>  <span class="PreProc">var</span> i/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
<span id="L109" class="LineNr">109 </span>  i <span class="SpecialChar">&lt;-</span> decrement
<span id="L110" class="LineNr">110 </span>  <span class="muComment"># if render-cursor?, peel off first iteration</span>
<span id="L111" class="LineNr">111 </span>  <span class="Delimiter">{</span>
<span id="L112" class="LineNr">112 </span>    compare render-cursor?, <span class="Constant">0</span>/false
<span id="L113" class="LineNr">113 </span>    <span class="PreProc">break-if-=</span>
<span id="L114" class="LineNr">114 </span>    compare i, <span class="Constant">0</span>
<span id="L115" class="LineNr">115 </span>    <span class="PreProc">break-if-&lt;</span>
<span id="L116" class="LineNr">116 </span>    <span class="PreProc">var</span> g/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
<span id="L117" class="LineNr">117 </span>    draw-grapheme <a href='../../405screen.mu.html#L9'>screen</a>, *g, x, y, <span class="Constant">3</span>/fg=cyan, <span class="Constant">7</span>/bg=cursor
<span id="L118" class="LineNr">118 </span>    i <span class="SpecialChar">&lt;-</span> decrement
<span id="L119" class="LineNr">119 </span>    increment x  <span class="muComment"># assume left to right</span>
<span id="L120" class="LineNr">120 </span>  <span class="Delimiter">}</span>
<span id="L121" class="LineNr">121 </span>  <span class="muComment"># remaining iterations</span>
<span id="L122" class="LineNr">122 </span>  <span class="Delimiter">{</span>
<span id="L123" class="LineNr">123 </span>    compare i, <span class="Constant">0</span>
<span id="L124" class="LineNr">124 </span>    <span class="PreProc">break-if-&lt;</span>
<span id="L125" class="LineNr">125 </span>    <span class="PreProc">var</span> g/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
<span id="L126" class="LineNr">126 </span>    draw-grapheme <a href='../../405screen.mu.html#L9'>screen</a>, *g, x, y, <span class="Constant">3</span>/fg=cyan, <span class="Constant">0</span>/bg
<span id="L127" class="LineNr">127 </span>    i <span class="SpecialChar">&lt;-</span> decrement
<span id="L128" class="LineNr">128 </span>    increment x  <span class="muComment"># assume left to right</span>
<span id="L129" class="LineNr">129 </span>    <span class="PreProc">loop</span>
<span id="L130" class="LineNr">130 </span>  <span class="Delimiter">}</span>
<span id="L131" class="LineNr">131 </span>  <span class="PreProc">return</span> x
<span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span>
<span id="L133" class="LineNr">133 </span>
<span id="L134" class="LineNr">134 </span><span class="PreProc">fn</span> <span class="muTest"><a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a></span> <span class="Delimiter">{</span>
<span id="L135" class="LineNr">135 </span>  <span class="muComment"># setup: gs = &quot;abc&quot;</span>
<span id="L136" class="LineNr">136 </span>  <span class="PreProc">var</span> gs-storage: <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>
<span id="L137" class="LineNr">137 </span>  <span class="PreProc">var</span> gs/<span class="Constant">edi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> address gs-storage
<span id="L138" class="LineNr">138 </span>  <a href='grapheme-stack.mu.html#L9'>initialize-grapheme-stack</a> gs, <span class="Constant">5</span>
<span id="L139" class="LineNr">139 </span>  <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0x61</span>/a
<span id="L140" class="LineNr">140 </span>  <a href='grapheme-stack.mu.html#L34'>push-grapheme-stack</a> gs, g
<span id="L141" class="LineNr">141 </span>  g <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0x62</span>/b
<span id="L142" class="LineNr">142 </span>  <a href='grapheme-stack.mu.html#L34'>push-grapheme-stack</a> gs, g
<span id="L143" class="LineNr">143 </span>  g <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0x63</span>/c
<span id="L144" class="LineNr">144 </span>  <a href='grapheme-stack.mu.html#L34'>push-grapheme-stack</a> gs, g
<span id="L145" class="LineNr">145 </span>  <span class="muComment"># setup: screen</span>
<span id="L146" class="LineNr">146 </span>  <span class="PreProc">var</span> screen-on-stack: <a href='../../405screen.mu.html#L9'>screen</a>
<span id="L147" class="LineNr">147 </span>  <span class="PreProc">var</span> <a href='../../405screen.mu.html#L9'>screen</a>/<span class="Constant">esi</span>: (addr <a href='../../405screen.mu.html#L9'>screen</a>) <span class="SpecialChar">&lt;-</span> address screen-on-stack
<span id="L148" class="LineNr">148 </span>  <a href='../../405screen.mu.html#L30'>initialize-screen</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>
<span id="L149" class="LineNr">149 </span>  <span class="muComment">#</span>
<span id="L150" class="LineNr">150 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='grapheme-stack.mu.html#L81'>render-stack-from-bottom</a> <a href='../../405screen.mu.html#L9'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y
<span id="L151" class="LineNr">151 </span>  <a href='../../405screen.mu.html#L623'>check-screen-row</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">&quot;abc &quot;</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from bottom&quot;</span>
<span id="L152" class="LineNr">152 </span>  <a href='../../102test.subx.html#L23'>check-ints-equal</a> x, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from bottom: result&quot;</span>
<span id="L153" class="LineNr">153 </span>  check-background-color-in-screen-row <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">0</span>/y, <span class="Constant">&quot;   &quot;</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from bottom: bg&quot;</span>
<span id="L154" class="LineNr">154 </span>  <span class="muComment">#</span>
<span id="L155" class="LineNr">155 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='grapheme-stack.mu.html#L102'>render-stack-from-top</a> <a href='../../405screen.mu.html#L9'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">1</span>/y, <span class="Constant">0</span>/cursor=false
<span id="L156" class="LineNr">156 </span>  <a href='../../405screen.mu.html#L623'>check-screen-row</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">1</span>/y, <span class="Constant">&quot;cba &quot;</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from <a href='../../203stack.subx.html#L338'>top</a> without cursor&quot;</span>
<span id="L157" class="LineNr">157 </span>  <a href='../../102test.subx.html#L23'>check-ints-equal</a> x, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from <a href='../../203stack.subx.html#L338'>top</a> without cursor: result&quot;</span>
<span id="L158" class="LineNr">158 </span>  check-background-color-in-screen-row <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">1</span>/y, <span class="Constant">&quot;   &quot;</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from <a href='../../203stack.subx.html#L338'>top</a> without cursor: bg&quot;</span>
<span id="L159" class="LineNr">159 </span>  <span class="muComment">#</span>
<span id="L160" class="LineNr">160 </span>  <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> <a href='grapheme-stack.mu.html#L102'>render-stack-from-top</a> <a href='../../405screen.mu.html#L9'>screen</a>, gs, <span class="Constant">0</span>/x, <span class="Constant">2</span>/y, <span class="Constant">1</span>/cursor=true
<span id="L161" class="LineNr">161 </span>  <a href='../../405screen.mu.html#L623'>check-screen-row</a> <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">2</span>/y, <span class="Constant">&quot;cba &quot;</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from <a href='../../203stack.subx.html#L338'>top</a> with cursor&quot;</span>
<span id="L162" class="LineNr">162 </span>  <a href='../../102test.subx.html#L23'>check-ints-equal</a> x, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from <a href='../../203stack.subx.html#L338'>top</a> without cursor: result&quot;</span>
<span id="L163" class="LineNr">163 </span>  check-background-color-in-screen-row <a href='../../405screen.mu.html#L9'>screen</a>, <span class="Constant">7</span>/bg=cursor, <span class="Constant">2</span>/y, <span class="Constant">&quot;|   &quot;</span>, <span class="Constant">&quot;F - <a href='grapheme-stack.mu.html#L134'>test-render-grapheme-stack</a> from <a href='../../203stack.subx.html#L338'>top</a> with cursor: bg&quot;</span>
<span id="L164" class="LineNr">164 </span><span class="Delimiter">}</span>
<span id="L165" class="LineNr">165 </span>
<span id="L166" class="LineNr">166 </span><span class="muComment"># compare from bottom</span>
<span id="L167" class="LineNr">167 </span><span class="muComment"># beware: modifies 'stream', which must be disposed of after a false result</span>
<span id="L168" class="LineNr">168 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L168'>prefix-match?</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>), s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L169" class="LineNr">169 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L170" class="LineNr">170 </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="L171" class="LineNr">171 </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#L258'>lookup</a> *data-ah
<span id="L172" class="LineNr">172 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
<span id="L173" class="LineNr">173 </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="L174" class="LineNr">174 </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="L175" class="LineNr">175 </span>  <span class="Delimiter">{</span>
<span id="L176" class="LineNr">176 </span>    compare i, *top-addr
<span id="L177" class="LineNr">177 </span>    <span class="PreProc">break-if-&gt;=</span>
<span id="L178" class="LineNr">178 </span>    <span class="muComment"># if curr != expected, return false</span>
<span id="L179" class="LineNr">179 </span>    <span class="Delimiter">{</span>
<span id="L180" class="LineNr">180 </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="L181" class="LineNr">181 </span>      <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='../../403unicode.mu.html#L158'>read-grapheme</a> s
<span id="L182" class="LineNr">182 </span>      <span class="Delimiter">{</span>
<span id="L183" class="LineNr">183 </span>        compare expected, *curr-a
<span id="L184" class="LineNr">184 </span>        <span class="PreProc">break-if-=</span>
<span id="L185" class="LineNr">185 </span>        <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L186" class="LineNr">186 </span>      <span class="Delimiter">}</span>
<span id="L187" class="LineNr">187 </span>    <span class="Delimiter">}</span>
<span id="L188" class="LineNr">188 </span>    i <span class="SpecialChar">&lt;-</span> increment
<span id="L189" class="LineNr">189 </span>    <span class="PreProc">loop</span>
<span id="L190" class="LineNr">190 </span>  <span class="Delimiter">}</span>
<span id="L191" class="LineNr">191 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>   <span class="muComment"># true</span>
<span id="L192" class="LineNr">192 </span><span class="Delimiter">}</span>
<span id="L193" class="LineNr">193 </span>
<span id="L194" class="LineNr">194 </span><span class="muComment"># compare from bottom</span>
<span id="L195" class="LineNr">195 </span><span class="muComment"># beware: modifies 'stream', which must be disposed of after a false result</span>
<span id="L196" class="LineNr">196 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L196'>suffix-match?</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>), s: (addr stream byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L197" class="LineNr">197 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L198" class="LineNr">198 </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="L199" class="LineNr">199 </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#L258'>lookup</a> *data-ah
<span id="L200" class="LineNr">200 </span>  <span class="PreProc">var</span> data/<span class="Constant">edi</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
<span id="L201" class="LineNr">201 </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="L202" class="LineNr">202 </span>  <span class="PreProc">var</span> i/<span class="Constant">ebx</span>: int <span class="SpecialChar">&lt;-</span> copy *top-addr
<span id="L203" class="LineNr">203 </span>  i <span class="SpecialChar">&lt;-</span> decrement
<span id="L204" class="LineNr">204 </span>  <span class="Delimiter">{</span>
<span id="L205" class="LineNr">205 </span>    compare i, <span class="Constant">0</span>
<span id="L206" class="LineNr">206 </span>    <span class="PreProc">break-if-&lt;</span>
<span id="L207" class="LineNr">207 </span>    <span class="Delimiter">{</span>
<span id="L208" class="LineNr">208 </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="L209" class="LineNr">209 </span>      <span class="PreProc">var</span> expected/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='../../403unicode.mu.html#L158'>read-grapheme</a> s
<span id="L210" class="LineNr">210 </span>      <span class="muComment"># if curr != expected, return false</span>
<span id="L211" class="LineNr">211 </span>      <span class="Delimiter">{</span>
<span id="L212" class="LineNr">212 </span>        compare expected, *curr-a
<span id="L213" class="LineNr">213 </span>        <span class="PreProc">break-if-=</span>
<span id="L214" class="LineNr">214 </span>        <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L215" class="LineNr">215 </span>      <span class="Delimiter">}</span>
<span id="L216" class="LineNr">216 </span>    <span class="Delimiter">}</span>
<span id="L217" class="LineNr">217 </span>    i <span class="SpecialChar">&lt;-</span> decrement
<span id="L218" class="LineNr">218 </span>    <span class="PreProc">loop</span>
<span id="L219" class="LineNr">219 </span>  <span class="Delimiter">}</span>
<span id="L220" class="LineNr">220 </span>  <span class="PreProc">return</span> <span class="Constant">1</span>   <span class="muComment"># true</span>
<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span>
<span id="L222" class="LineNr">222 </span>
<span id="L223" class="LineNr">223 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='grapheme-stack.mu.html#L223'>grapheme-stack-is-decimal-integer?</a></span> _self: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L224" class="LineNr">224 </span>  <span class="PreProc">var</span> self/<span class="Constant">esi</span>: (addr <a href='grapheme-stack.mu.html#L4'>grapheme-stack</a>) <span class="SpecialChar">&lt;-</span> copy _self
<span id="L225" class="LineNr">225 </span>  <span class="PreProc">var</span> data-ah/<span class="Constant">eax</span>: (addr handle array grapheme) <span class="SpecialChar">&lt;-</span> <a href='../../131table.subx.html#L26'>get</a> self, data
<span id="L226" class="LineNr">226 </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#L258'>lookup</a> *data-ah
<span id="L227" class="LineNr">227 </span>  <span class="PreProc">var</span> data/<span class="Constant">edx</span>: (addr array grapheme) <span class="SpecialChar">&lt;-</span> copy _data
<span id="L228" class="LineNr">228 </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="L229" class="LineNr">229 </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="L230" class="LineNr">230 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="SpecialChar">&lt;-</span> copy <span class="Constant">1</span>/true
<span id="L231" class="LineNr">231 </span>  $grapheme-stack-is-integer?:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
<span id="L232" class="LineNr">232 </span>    compare i, *top-addr
<span id="L233" class="LineNr">233 </span>    <span class="PreProc">break-if-&gt;=</span>
<span id="L234" class="LineNr">234 </span>    <span class="PreProc">var</span> g/<span class="Constant">edx</span>: (addr grapheme) <span class="SpecialChar">&lt;-</span> index data, i
<span id="L235" class="LineNr">235 </span>    result <span class="SpecialChar">&lt;-</span> <a href='../../126write-int-decimal.subx.html#L306'>is-decimal-digit?</a> *g
<span id="L236" class="LineNr">236 </span>    compare result, <span class="Constant">0</span>/false
<span id="L237" class="LineNr">237 </span>    <span class="PreProc">break-if-=</span>
<span id="L238" class="LineNr">238 </span>    i <span class="SpecialChar">&lt;-</span> increment
<span id="L239" class="LineNr">239 </span>    <span class="PreProc">loop</span>
<span id="L240" class="LineNr">240 </span>  <span class="Delimiter">}</span>
<span id="L241" class="LineNr">241 </span>  <span class="PreProc">return</span> result
<span id="L242" class="LineNr">242 </span><span class="Delimiter">}</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->