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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<a href='https://github.com/akkartik/mu/blob/main/shell/parse.mu'>https://github.com/akkartik/mu/blob/main/shell/parse.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L1'>parse-input</a></span> tokens: (addr stream <a href='tokenize.mu.html#L3'>token</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
<span id="L2" class="LineNr">  2 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> tokens
<span id="L3" class="LineNr">  3 </span>  <span class="PreProc">var</span> empty?/eax: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> tokens
<span id="L4" class="LineNr">  4 </span>  compare empty?, <span class="Constant">0</span>/false
<span id="L5" class="LineNr">  5 </span>  <span class="Delimiter">{</span>
<span id="L6" class="LineNr">  6 </span>    <span class="PreProc">break-if-=</span>
<span id="L7" class="LineNr">  7 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;nothing to parse&quot;</span>
<span id="L8" class="LineNr">  8 </span>    <span class="PreProc">return</span>
<span id="L9" class="LineNr">  9 </span>  <span class="Delimiter">}</span>
<span id="L10" class="LineNr"> 10 </span>  <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L11" class="LineNr"> 11 </span>  <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L12" class="LineNr"> 12 </span>  close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, out, trace
<span id="L13" class="LineNr"> 13 </span>  <span class="Delimiter">{</span>
<span id="L14" class="LineNr"> 14 </span>    compare close-paren?, <span class="Constant">0</span>/false
<span id="L15" class="LineNr"> 15 </span>    <span class="PreProc">break-if-=</span>
<span id="L16" class="LineNr"> 16 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;')' is not a valid expression&quot;</span>
<span id="L17" class="LineNr"> 17 </span>    <span class="PreProc">return</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="Delimiter">}</span>
<span id="L19" class="LineNr"> 19 </span>  <span class="Delimiter">{</span>
<span id="L20" class="LineNr"> 20 </span>    compare dot?, <span class="Constant">0</span>/false
<span id="L21" class="LineNr"> 21 </span>    <span class="PreProc">break-if-=</span>
<span id="L22" class="LineNr"> 22 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;'.' is not a valid expression&quot;</span>
<span id="L23" class="LineNr"> 23 </span>    <span class="PreProc">return</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="Delimiter">}</span>
<span id="L25" class="LineNr"> 25 </span>  <span class="Delimiter">{</span>
<span id="L26" class="LineNr"> 26 </span>    <span class="PreProc">var</span> empty?/eax: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> tokens
<span id="L27" class="LineNr"> 27 </span>    compare empty?, <span class="Constant">0</span>/false
<span id="L28" class="LineNr"> 28 </span>    <span class="PreProc">break-if-!=</span>
<span id="L29" class="LineNr"> 29 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;unexpected tokens at end; only type in a single expression at a time&quot;</span>
<span id="L30" class="LineNr"> 30 </span>  <span class="Delimiter">}</span>
<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="muComment"># return values:</span>
<span id="L34" class="LineNr"> 34 </span><span class="muComment">#   unmatched close-paren encountered?</span>
<span id="L35" class="LineNr"> 35 </span><span class="muComment">#   dot encountered? (only used internally by recursive calls)</span>
<span id="L36" class="LineNr"> 36 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L36'>parse-sexpression</a></span> tokens: (addr stream <a href='tokenize.mu.html#L3'>token</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace)<span class="PreProc"> -&gt; </span>_/eax: boolean, _/<span class="muRegEcx">ecx</span>: boolean <span class="Delimiter">{</span>
<span id="L37" class="LineNr"> 37 </span>  <a href='trace.mu.html#L185'>trace-text</a> trace, <span class="Constant">&quot;parse&quot;</span>, <span class="Constant">&quot;parse&quot;</span>
<span id="L38" class="LineNr"> 38 </span>  <a href='trace.mu.html#L239'>trace-lower</a> trace
<span id="L39" class="LineNr"> 39 </span>  <span class="PreProc">var</span> curr-token-storage: <a href='tokenize.mu.html#L3'>token</a>
<span id="L40" class="LineNr"> 40 </span>  <span class="PreProc">var</span> curr-token/<span class="muRegEcx">ecx</span>: (addr <a href='tokenize.mu.html#L3'>token</a>) <span class="Special">&lt;-</span> address curr-token-storage
<span id="L41" class="LineNr"> 41 </span>  <span class="PreProc">var</span> empty?/eax: boolean <span class="Special">&lt;-</span> <a href='../309stream.subx.html#L6'>stream-empty?</a> tokens
<span id="L42" class="LineNr"> 42 </span>  compare empty?, <span class="Constant">0</span>/false
<span id="L43" class="LineNr"> 43 </span>  <span class="Delimiter">{</span>
<span id="L44" class="LineNr"> 44 </span>    <span class="PreProc">break-if-=</span>
<span id="L45" class="LineNr"> 45 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;end of stream; never found a balancing ')'&quot;</span>
<span id="L46" class="LineNr"> 46 </span>    <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L47" class="LineNr"> 47 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true, <span class="Constant">0</span>/false
<span id="L48" class="LineNr"> 48 </span>  <span class="Delimiter">}</span>
<span id="L49" class="LineNr"> 49 </span>  <a href='../309stream.subx.html#L104'>read-from-stream</a> tokens, curr-token
<span id="L50" class="LineNr"> 50 </span>  $parse-sexpression:type-check: <span class="Delimiter">{</span>
<span id="L51" class="LineNr"> 51 </span>    <span class="muComment"># single quote -&gt; parse as list with a special car</span>
<span id="L52" class="LineNr"> 52 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L1016'>quote-token?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1016'>quote-token?</a> curr-token
<span id="L53" class="LineNr"> 53 </span>    compare <a href='tokenize.mu.html#L1016'>quote-token?</a>, <span class="Constant">0</span>/false
<span id="L54" class="LineNr"> 54 </span>    <span class="Delimiter">{</span>
<span id="L55" class="LineNr"> 55 </span>      <span class="PreProc">break-if-=</span>
<span id="L56" class="LineNr"> 56 </span>      <span class="PreProc">var</span> out/<span class="muRegEdi">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L57" class="LineNr"> 57 </span>      <a href='cell.mu.html#L128'>allocate-pair</a> out
<span id="L58" class="LineNr"> 58 </span>      <span class="PreProc">var</span> out-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *out
<span id="L59" class="LineNr"> 59 </span>      <span class="PreProc">var</span> left-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
<span id="L60" class="LineNr"> 60 </span>      <a href='cell.mu.html#L43'>new-symbol</a> left-ah, <span class="Constant">&quot;'&quot;</span>
<span id="L61" class="LineNr"> 61 </span>      <span class="PreProc">var</span> right-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
<span id="L62" class="LineNr"> 62 </span>      <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L63" class="LineNr"> 63 </span>      <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L64" class="LineNr"> 64 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, right-ah, trace
<span id="L65" class="LineNr"> 65 </span>      <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L66" class="LineNr"> 66 </span>      <span class="PreProc">return</span> close-paren?, dot?
<span id="L67" class="LineNr"> 67 </span>    <span class="Delimiter">}</span>
<span id="L68" class="LineNr"> 68 </span>    <span class="muComment"># backquote quote -&gt; parse as list with a special car</span>
<span id="L69" class="LineNr"> 69 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L1025'>backquote-token?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1025'>backquote-token?</a> curr-token
<span id="L70" class="LineNr"> 70 </span>    compare <a href='tokenize.mu.html#L1025'>backquote-token?</a>, <span class="Constant">0</span>/false
<span id="L71" class="LineNr"> 71 </span>    <span class="Delimiter">{</span>
<span id="L72" class="LineNr"> 72 </span>      <span class="PreProc">break-if-=</span>
<span id="L73" class="LineNr"> 73 </span>      <span class="PreProc">var</span> out/<span class="muRegEdi">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L74" class="LineNr"> 74 </span>      <a href='cell.mu.html#L128'>allocate-pair</a> out
<span id="L75" class="LineNr"> 75 </span>      <span class="PreProc">var</span> out-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *out
<span id="L76" class="LineNr"> 76 </span>      <span class="PreProc">var</span> left-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
<span id="L77" class="LineNr"> 77 </span>      <a href='cell.mu.html#L43'>new-symbol</a> left-ah, <span class="Constant">&quot;`&quot;</span>
<span id="L78" class="LineNr"> 78 </span>      <span class="PreProc">var</span> right-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
<span id="L79" class="LineNr"> 79 </span>      <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L80" class="LineNr"> 80 </span>      <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L81" class="LineNr"> 81 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, right-ah, trace
<span id="L82" class="LineNr"> 82 </span>      <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L83" class="LineNr"> 83 </span>      <span class="PreProc">return</span> close-paren?, dot?
<span id="L84" class="LineNr"> 84 </span>    <span class="Delimiter">}</span>
<span id="L85" class="LineNr"> 85 </span>    <span class="muComment"># unquote -&gt; parse as list with a special car</span>
<span id="L86" class="LineNr"> 86 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L1034'>unquote-token?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1034'>unquote-token?</a> curr-token
<span id="L87" class="LineNr"> 87 </span>    compare <a href='tokenize.mu.html#L1034'>unquote-token?</a>, <span class="Constant">0</span>/false
<span id="L88" class="LineNr"> 88 </span>    <span class="Delimiter">{</span>
<span id="L89" class="LineNr"> 89 </span>      <span class="PreProc">break-if-=</span>
<span id="L90" class="LineNr"> 90 </span>      <span class="PreProc">var</span> out/<span class="muRegEdi">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L91" class="LineNr"> 91 </span>      <a href='cell.mu.html#L128'>allocate-pair</a> out
<span id="L92" class="LineNr"> 92 </span>      <span class="PreProc">var</span> out-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *out
<span id="L93" class="LineNr"> 93 </span>      <span class="PreProc">var</span> left-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
<span id="L94" class="LineNr"> 94 </span>      <a href='cell.mu.html#L43'>new-symbol</a> left-ah, <span class="Constant">&quot;,&quot;</span>
<span id="L95" class="LineNr"> 95 </span>      <span class="PreProc">var</span> right-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
<span id="L96" class="LineNr"> 96 </span>      <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L97" class="LineNr"> 97 </span>      <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L98" class="LineNr"> 98 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, right-ah, trace
<span id="L99" class="LineNr"> 99 </span>      <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L100" class="LineNr">100 </span>      <span class="PreProc">return</span> close-paren?, dot?
<span id="L101" class="LineNr">101 </span>    <span class="Delimiter">}</span>
<span id="L102" class="LineNr">102 </span>    <span class="muComment"># unquote-splice -&gt; parse as list with a special car</span>
<span id="L103" class="LineNr">103 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L1043'>unquote-splice-token?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1043'>unquote-splice-token?</a> curr-token
<span id="L104" class="LineNr">104 </span>    compare <a href='tokenize.mu.html#L1043'>unquote-splice-token?</a>, <span class="Constant">0</span>/false
<span id="L105" class="LineNr">105 </span>    <span class="Delimiter">{</span>
<span id="L106" class="LineNr">106 </span>      <span class="PreProc">break-if-=</span>
<span id="L107" class="LineNr">107 </span>      <span class="PreProc">var</span> out/<span class="muRegEdi">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L108" class="LineNr">108 </span>      <a href='cell.mu.html#L128'>allocate-pair</a> out
<span id="L109" class="LineNr">109 </span>      <span class="PreProc">var</span> out-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *out
<span id="L110" class="LineNr">110 </span>      <span class="PreProc">var</span> left-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, left
<span id="L111" class="LineNr">111 </span>      <a href='cell.mu.html#L43'>new-symbol</a> left-ah, <span class="Constant">&quot;,@&quot;</span>
<span id="L112" class="LineNr">112 </span>      <span class="PreProc">var</span> right-ah/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get out-addr, right
<span id="L113" class="LineNr">113 </span>      <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L114" class="LineNr">114 </span>      <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L115" class="LineNr">115 </span>      close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, right-ah, trace
<span id="L116" class="LineNr">116 </span>      <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L117" class="LineNr">117 </span>      <span class="PreProc">return</span> close-paren?, dot?
<span id="L118" class="LineNr">118 </span>    <span class="Delimiter">}</span>
<span id="L119" class="LineNr">119 </span>    <span class="muComment"># dot -&gt; return</span>
<span id="L120" class="LineNr">120 </span>    <span class="PreProc">var</span> dot?/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1084'>dot-token?</a> curr-token
<span id="L121" class="LineNr">121 </span>    compare dot?, <span class="Constant">0</span>/false
<span id="L122" class="LineNr">122 </span>    <span class="Delimiter">{</span>
<span id="L123" class="LineNr">123 </span>      <span class="PreProc">break-if-=</span>
<span id="L124" class="LineNr">124 </span>      <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L125" class="LineNr">125 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">1</span>/true
<span id="L126" class="LineNr">126 </span>    <span class="Delimiter">}</span>
<span id="L127" class="LineNr">127 </span>    <span class="muComment"># not bracket -&gt; parse atom</span>
<span id="L128" class="LineNr">128 </span>    <span class="PreProc">var</span> <a href='tokenize.mu.html#L999'>bracket-token?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L999'>bracket-token?</a> curr-token
<span id="L129" class="LineNr">129 </span>    compare <a href='tokenize.mu.html#L999'>bracket-token?</a>, <span class="Constant">0</span>/false
<span id="L130" class="LineNr">130 </span>    <span class="Delimiter">{</span>
<span id="L131" class="LineNr">131 </span>      <span class="PreProc">break-if-!=</span>
<span id="L132" class="LineNr">132 </span>      <a href='parse.mu.html#L207'>parse-atom</a> curr-token, _out, trace
<span id="L133" class="LineNr">133 </span>      <span class="PreProc">break</span> $parse-sexpression:type-check
<span id="L134" class="LineNr">134 </span>    <span class="Delimiter">}</span>
<span id="L135" class="LineNr">135 </span>    <span class="muComment"># open paren -&gt; parse list</span>
<span id="L136" class="LineNr">136 </span>    <span class="PreProc">var</span> open-paren?/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1052'>open-paren-token?</a> curr-token
<span id="L137" class="LineNr">137 </span>    compare open-paren?, <span class="Constant">0</span>/false
<span id="L138" class="LineNr">138 </span>    <span class="Delimiter">{</span>
<span id="L139" class="LineNr">139 </span>      <span class="PreProc">break-if-=</span>
<span id="L140" class="LineNr">140 </span>      <span class="PreProc">var</span> curr/<span class="muRegEsi">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L141" class="LineNr">141 </span>      <a href='cell.mu.html#L128'>allocate-pair</a> curr
<span id="L142" class="LineNr">142 </span>      <span class="PreProc">var</span> curr-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *curr
<span id="L143" class="LineNr">143 </span>      <span class="PreProc">var</span> left/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-addr, left
<span id="L144" class="LineNr">144 </span>      <span class="Delimiter">{</span>
<span id="L145" class="LineNr">145 </span>        <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L146" class="LineNr">146 </span>        <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L147" class="LineNr">147 </span>        close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, left, trace
<span id="L148" class="LineNr">148 </span>        <span class="Delimiter">{</span>
<span id="L149" class="LineNr">149 </span>          compare dot?, <span class="Constant">0</span>/false
<span id="L150" class="LineNr">150 </span>          <span class="PreProc">break-if-=</span>
<span id="L151" class="LineNr">151 </span>          <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;'.' cannot be at the start of a list&quot;</span>
<span id="L152" class="LineNr">152 </span>          <span class="PreProc">return</span> <span class="Constant">1</span>/true, dot?
<span id="L153" class="LineNr">153 </span>        <span class="Delimiter">}</span>
<span id="L154" class="LineNr">154 </span>        compare close-paren?, <span class="Constant">0</span>/false
<span id="L155" class="LineNr">155 </span>        <span class="PreProc">break-if-!=</span>
<span id="L156" class="LineNr">156 </span>        <span class="PreProc">var</span> curr-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *curr
<span id="L157" class="LineNr">157 </span>        curr <span class="Special">&lt;-</span> get curr-addr, right
<span id="L158" class="LineNr">158 </span>        <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L159" class="LineNr">159 </span>        <span class="PreProc">var</span> tmp/<span class="muRegEdx">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
<span id="L160" class="LineNr">160 </span>        $parse-sexpression:list-loop: <span class="Delimiter">{</span>
<span id="L161" class="LineNr">161 </span>          <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L162" class="LineNr">162 </span>          <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L163" class="LineNr">163 </span>          close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, tmp, trace
<span id="L164" class="LineNr">164 </span>          <span class="muComment"># '.' -&gt; clean up right here and return</span>
<span id="L165" class="LineNr">165 </span>          compare dot?, <span class="Constant">0</span>/false
<span id="L166" class="LineNr">166 </span>          <span class="Delimiter">{</span>
<span id="L167" class="LineNr">167 </span>            <span class="PreProc">break-if-=</span>
<span id="L168" class="LineNr">168 </span>            <a href='parse.mu.html#L281'>parse-dot-tail</a> tokens, curr, trace
<span id="L169" class="LineNr">169 </span>            <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">0</span>/false
<span id="L170" class="LineNr">170 </span>          <span class="Delimiter">}</span>
<span id="L171" class="LineNr">171 </span>          <a href='cell.mu.html#L128'>allocate-pair</a> curr
<span id="L172" class="LineNr">172 </span>          <span class="muComment"># ')' -&gt; return</span>
<span id="L173" class="LineNr">173 </span>          compare close-paren?, <span class="Constant">0</span>/false
<span id="L174" class="LineNr">174 </span>          <span class="PreProc">break-if-!=</span>
<span id="L175" class="LineNr">175 </span>          <span class="PreProc">var</span> curr-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *curr
<span id="L176" class="LineNr">176 </span>          <span class="PreProc">var</span> left/<span class="muRegEcx">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-addr, left
<span id="L177" class="LineNr">177 </span>          copy-object tmp, left
<span id="L178" class="LineNr">178 </span>          <span class="muComment">#</span>
<span id="L179" class="LineNr">179 </span>          curr <span class="Special">&lt;-</span> get curr-addr, right
<span id="L180" class="LineNr">180 </span>          <span class="PreProc">loop</span>
<span id="L181" class="LineNr">181 </span>        <span class="Delimiter">}</span>
<span id="L182" class="LineNr">182 </span>      <span class="Delimiter">}</span>
<span id="L183" class="LineNr">183 </span>      <span class="PreProc">break</span> $parse-sexpression:type-check
<span id="L184" class="LineNr">184 </span>    <span class="Delimiter">}</span>
<span id="L185" class="LineNr">185 </span>    <span class="muComment"># close paren -&gt; return</span>
<span id="L186" class="LineNr">186 </span>    <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1068'>close-paren-token?</a> curr-token
<span id="L187" class="LineNr">187 </span>    compare close-paren?, <span class="Constant">0</span>/false
<span id="L188" class="LineNr">188 </span>    <span class="Delimiter">{</span>
<span id="L189" class="LineNr">189 </span>      <span class="PreProc">break-if-=</span>
<span id="L190" class="LineNr">190 </span>      <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L191" class="LineNr">191 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true, <span class="Constant">0</span>/false
<span id="L192" class="LineNr">192 </span>    <span class="Delimiter">}</span>
<span id="L193" class="LineNr">193 </span>    <span class="muComment"># otherwise abort</span>
<span id="L194" class="LineNr">194 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
<span id="L195" class="LineNr">195 </span>    <span class="PreProc">var</span> stream/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
<span id="L196" class="LineNr">196 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;unexpected <a href='tokenize.mu.html#L3'>token</a> &quot;</span>
<span id="L197" class="LineNr">197 </span>    <span class="PreProc">var</span> curr-token-data-ah/eax: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
<span id="L198" class="LineNr">198 </span>    <span class="PreProc">var</span> curr-token-data/eax: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *curr-token-data-ah
<span id="L199" class="LineNr">199 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> curr-token-data
<span id="L200" class="LineNr">200 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, curr-token-data
<span id="L201" class="LineNr">201 </span>    <span class="Special"><a href='trace.mu.html#L211'>error-stream</a></span> trace, stream
<span id="L202" class="LineNr">202 </span>  <span class="Delimiter">}</span>
<span id="L203" class="LineNr">203 </span>  <a href='trace.mu.html#L250'>trace-higher</a> trace
<span id="L204" class="LineNr">204 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>/false, <span class="Constant">0</span>/false
<span id="L205" class="LineNr">205 </span><span class="Delimiter">}</span>
<span id="L206" class="LineNr">206 </span>
<span id="L207" class="LineNr">207 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L207'>parse-atom</a></span> _curr-token: (addr <a href='tokenize.mu.html#L3'>token</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
<span id="L208" class="LineNr">208 </span>  <a href='trace.mu.html#L185'>trace-text</a> trace, <span class="Constant">&quot;parse&quot;</span>, <span class="Constant">&quot;parse atom&quot;</span>
<span id="L209" class="LineNr">209 </span>  <span class="PreProc">var</span> curr-token/<span class="muRegEcx">ecx</span>: (addr <a href='tokenize.mu.html#L3'>token</a>) <span class="Special">&lt;-</span> copy _curr-token
<span id="L210" class="LineNr">210 </span>  <span class="PreProc">var</span> curr-token-data-ah/eax: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
<span id="L211" class="LineNr">211 </span>  <span class="PreProc">var</span> _curr-token-data/eax: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *curr-token-data-ah
<span id="L212" class="LineNr">212 </span>  <span class="PreProc">var</span> curr-token-data/<span class="muRegEsi">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _curr-token-data
<span id="L213" class="LineNr">213 </span>  trace trace, <span class="Constant">&quot;parse&quot;</span>, curr-token-data
<span id="L214" class="LineNr">214 </span>  <span class="muComment"># number</span>
<span id="L215" class="LineNr">215 </span>  <span class="PreProc">var</span> <a href='tokenize.mu.html#L968'>number-token?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L968'>number-token?</a> curr-token
<span id="L216" class="LineNr">216 </span>  compare <a href='tokenize.mu.html#L968'>number-token?</a>, <span class="Constant">0</span>/false
<span id="L217" class="LineNr">217 </span>  <span class="Delimiter">{</span>
<span id="L218" class="LineNr">218 </span>    <span class="PreProc">break-if-=</span>
<span id="L219" class="LineNr">219 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> curr-token-data
<span id="L220" class="LineNr">220 </span>    <span class="PreProc">var</span> _val/eax: int <span class="Special">&lt;-</span> <a href='../311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> curr-token-data
<span id="L221" class="LineNr">221 </span>    <span class="PreProc">var</span> val/<span class="muRegEcx">ecx</span>: int <span class="Special">&lt;-</span> copy _val
<span id="L222" class="LineNr">222 </span>    <span class="PreProc">var</span> val-float/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> convert val
<span id="L223" class="LineNr">223 </span>    <a href='cell.mu.html#L83'>allocate-number</a> _out
<span id="L224" class="LineNr">224 </span>    <span class="PreProc">var</span> out/eax: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L225" class="LineNr">225 </span>    <span class="PreProc">var</span> out-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *out
<span id="L226" class="LineNr">226 </span>    <span class="PreProc">var</span> dest/<span class="muRegEdi">edi</span>: (addr float) <span class="Special">&lt;-</span> get out-addr, number-data
<span id="L227" class="LineNr">227 </span>    copy-to *dest, val-float
<span id="L228" class="LineNr">228 </span>    <span class="Delimiter">{</span>
<span id="L229" class="LineNr">229 </span>      <span class="Delimiter">{</span>
<span id="L230" class="LineNr">230 </span>        <span class="PreProc">var</span> <a href='trace.mu.html#L123'>should-trace?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L123'>should-trace?</a> trace
<span id="L231" class="LineNr">231 </span>        compare <a href='trace.mu.html#L123'>should-trace?</a>, <span class="Constant">0</span>/false
<span id="L232" class="LineNr">232 </span>      <span class="Delimiter">}</span>
<span id="L233" class="LineNr">233 </span>      <span class="PreProc">break-if-=</span>
<span id="L234" class="LineNr">234 </span>      <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x400</span>)
<span id="L235" class="LineNr">235 </span>      <span class="PreProc">var</span> stream/<span class="muRegEcx">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
<span id="L236" class="LineNr">236 </span>      <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; number &quot;</span>
<span id="L237" class="LineNr">237 </span>      <span class="PreProc">var</span> nested-trace-storage: trace
<span id="L238" class="LineNr">238 </span>      <span class="PreProc">var</span> nested-trace/<span class="muRegEdi">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
<span id="L239" class="LineNr">239 </span>      <a href='trace.mu.html#L61'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
<span id="L240" class="LineNr">240 </span>      <a href='print.mu.html#L245'>print-number</a> out-addr, stream, nested-trace
<span id="L241" class="LineNr">241 </span>      trace trace, <span class="Constant">&quot;parse&quot;</span>, stream
<span id="L242" class="LineNr">242 </span>    <span class="Delimiter">}</span>
<span id="L243" class="LineNr">243 </span>    <span class="PreProc">return</span>
<span id="L244" class="LineNr">244 </span>  <span class="Delimiter">}</span>
<span id="L245" class="LineNr">245 </span>  <span class="muComment"># default: copy either to a symbol or a stream</span>
<span id="L246" class="LineNr">246 </span>  <span class="muComment"># stream token -&gt; literal</span>
<span id="L247" class="LineNr">247 </span>  <span class="PreProc">var</span> <a href='tokenize.mu.html#L1110'>stream-token?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='tokenize.mu.html#L1110'>stream-token?</a> curr-token
<span id="L248" class="LineNr">248 </span>  compare <a href='tokenize.mu.html#L1110'>stream-token?</a>, <span class="Constant">0</span>/false
<span id="L249" class="LineNr">249 </span>  <span class="Delimiter">{</span>
<span id="L250" class="LineNr">250 </span>    <span class="PreProc">break-if-=</span>
<span id="L251" class="LineNr">251 </span>    <a href='cell.mu.html#L73'>allocate-stream</a> _out
<span id="L252" class="LineNr">252 </span>  <span class="Delimiter">}</span>
<span id="L253" class="LineNr">253 </span>  compare <a href='tokenize.mu.html#L1110'>stream-token?</a>, <span class="Constant">0</span>/false
<span id="L254" class="LineNr">254 </span>  <span class="Delimiter">{</span>
<span id="L255" class="LineNr">255 </span>    <span class="PreProc">break-if-!=</span>
<span id="L256" class="LineNr">256 </span>    <a href='cell.mu.html#L25'>allocate-symbol</a> _out
<span id="L257" class="LineNr">257 </span>  <span class="Delimiter">}</span>
<span id="L258" class="LineNr">258 </span>  <span class="muComment"># copy token data</span>
<span id="L259" class="LineNr">259 </span>  <span class="PreProc">var</span> out/eax: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L260" class="LineNr">260 </span>  <span class="PreProc">var</span> out-addr/eax: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L235'>lookup</a> *out
<span id="L261" class="LineNr">261 </span>  <span class="PreProc">var</span> curr-token-data-ah/<span class="muRegEcx">ecx</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get curr-token, text-data
<span id="L262" class="LineNr">262 </span>  <span class="PreProc">var</span> dest-ah/<span class="muRegEdx">edx</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get out-addr, text-data
<span id="L263" class="LineNr">263 </span>  copy-object curr-token-data-ah, dest-ah
<span id="L264" class="LineNr">264 </span>  <span class="Delimiter">{</span>
<span id="L265" class="LineNr">265 </span>    <span class="Delimiter">{</span>
<span id="L266" class="LineNr">266 </span>      <span class="PreProc">var</span> <a href='trace.mu.html#L123'>should-trace?</a>/eax: boolean <span class="Special">&lt;-</span> <a href='trace.mu.html#L123'>should-trace?</a> trace
<span id="L267" class="LineNr">267 </span>      compare <a href='trace.mu.html#L123'>should-trace?</a>, <span class="Constant">0</span>/false
<span id="L268" class="LineNr">268 </span>    <span class="Delimiter">}</span>
<span id="L269" class="LineNr">269 </span>    <span class="PreProc">break-if-=</span>
<span id="L270" class="LineNr">270 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40000</span>)
<span id="L271" class="LineNr">271 </span>    <span class="PreProc">var</span> stream/<span class="muRegEcx">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
<span id="L272" class="LineNr">272 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;=&gt; symbol &quot;</span>
<span id="L273" class="LineNr">273 </span>    <span class="PreProc">var</span> nested-trace-storage: trace
<span id="L274" class="LineNr">274 </span>    <span class="PreProc">var</span> nested-trace/<span class="muRegEdi">edi</span>: (addr trace) <span class="Special">&lt;-</span> address nested-trace-storage
<span id="L275" class="LineNr">275 </span>    <a href='trace.mu.html#L61'>initialize-trace</a> nested-trace, <span class="Constant">1</span>/only-errors, <span class="Constant">0x10</span>/capacity, <span class="Constant">0</span>/visible
<span id="L276" class="LineNr">276 </span>    <a href='print.mu.html#L183'>print-symbol</a> out-addr, stream, nested-trace
<span id="L277" class="LineNr">277 </span>    trace trace, <span class="Constant">&quot;parse&quot;</span>, stream
<span id="L278" class="LineNr">278 </span>  <span class="Delimiter">}</span>
<span id="L279" class="LineNr">279 </span><span class="Delimiter">}</span>
<span id="L280" class="LineNr">280 </span>
<span id="L281" class="LineNr">281 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse.mu.html#L281'>parse-dot-tail</a></span> tokens: (addr stream <a href='tokenize.mu.html#L3'>token</a>), _out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
<span id="L282" class="LineNr">282 </span>  <span class="PreProc">var</span> out/<span class="muRegEdi">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _out
<span id="L283" class="LineNr">283 </span>  <span class="PreProc">var</span> close-paren?/eax: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L284" class="LineNr">284 </span>  <span class="PreProc">var</span> dot?/<span class="muRegEcx">ecx</span>: boolean <span class="Special">&lt;-</span> copy <span class="Constant">0</span>/false
<span id="L285" class="LineNr">285 </span>  close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, out, trace
<span id="L286" class="LineNr">286 </span>  compare close-paren?, <span class="Constant">0</span>/false
<span id="L287" class="LineNr">287 </span>  <span class="Delimiter">{</span>
<span id="L288" class="LineNr">288 </span>    <span class="PreProc">break-if-=</span>
<span id="L289" class="LineNr">289 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;'. )' makes no sense&quot;</span>
<span id="L290" class="LineNr">290 </span>    <span class="PreProc">return</span>
<span id="L291" class="LineNr">291 </span>  <span class="Delimiter">}</span>
<span id="L292" class="LineNr">292 </span>  compare dot?, <span class="Constant">0</span>/false
<span id="L293" class="LineNr">293 </span>  <span class="Delimiter">{</span>
<span id="L294" class="LineNr">294 </span>    <span class="PreProc">break-if-=</span>
<span id="L295" class="LineNr">295 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;'. .' makes no sense&quot;</span>
<span id="L296" class="LineNr">296 </span>    <span class="PreProc">return</span>
<span id="L297" class="LineNr">297 </span>  <span class="Delimiter">}</span>
<span id="L298" class="LineNr">298 </span>  <span class="muComment">#</span>
<span id="L299" class="LineNr">299 </span>  <span class="PreProc">var</span> dummy: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L300" class="LineNr">300 </span>  <span class="PreProc">var</span> dummy-ah/<span class="muRegEdi">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address dummy
<span id="L301" class="LineNr">301 </span>  close-paren?, dot? <span class="Special">&lt;-</span> <a href='parse.mu.html#L36'>parse-sexpression</a> tokens, dummy-ah, trace
<span id="L302" class="LineNr">302 </span>  compare close-paren?, <span class="Constant">0</span>/false
<span id="L303" class="LineNr">303 </span>  <span class="Delimiter">{</span>
<span id="L304" class="LineNr">304 </span>    <span class="PreProc">break-if-!=</span>
<span id="L305" class="LineNr">305 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;cannot have multiple expressions between '.' and ')'&quot;</span>
<span id="L306" class="LineNr">306 </span>    <span class="PreProc">return</span>
<span id="L307" class="LineNr">307 </span>  <span class="Delimiter">}</span>
<span id="L308" class="LineNr">308 </span>  compare dot?, <span class="Constant">0</span>/false
<span id="L309" class="LineNr">309 </span>  <span class="Delimiter">{</span>
<span id="L310" class="LineNr">310 </span>    <span class="PreProc">break-if-=</span>
<span id="L311" class="LineNr">311 </span>    <span class="Special"><a href='trace.mu.html#L197'>error</a></span> trace, <span class="Constant">&quot;cannot have two dots in a single list&quot;</span>
<span id="L312" class="LineNr">312 </span>    <span class="PreProc">return</span>
<span id="L313" class="LineNr">313 </span>  <span class="Delimiter">}</span>
<span id="L314" class="LineNr">314 </span><span class="Delimiter">}</span>
</pre>
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