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<title>Mu - shell/evaluate.mu</title>
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<a href='https://github.com/akkartik/mu/blob/main/shell/evaluate.mu'>https://github.com/akkartik/mu/blob/main/shell/evaluate.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># env is an alist of ((sym . val) (sym . val) ...)</span>
<span id="L2" class="LineNr"> 2 </span><span class="muComment"># we never modify `in` or `env`</span>
<span id="L3" class="LineNr"> 3 </span><span class="muComment"># ignore 'screen-cell' on a first reading; it's a hack for sandboxes</span>
<span id="L4" class="LineNr"> 4 </span><span class="muComment"># 'call-number' is just for showing intermediate progress; this is a _slow_ interpreter</span>
<span id="L5" class="LineNr"> 5 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L5'>evaluate</a></span> _in: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L6'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
<span id="L6" class="LineNr"> 6 </span> <span class="muComment"># stack overflow? # disable when enabling Really-debug-print</span>
<span id="L7" class="LineNr"> 7 </span> <a href='../315stack-debug.subx.html#L5'>check-stack</a>
<span id="L8" class="LineNr"> 8 </span> <a href='../315stack-debug.subx.html#L26'>show-stack-state</a>
<span id="L9" class="LineNr"> 9 </span> <span class="muComment"># errors? skip</span>
<span id="L10" class="LineNr"> 10 </span> <span class="Delimiter">{</span>
<span id="L11" class="LineNr"> 11 </span> compare trace, <span class="Constant">0</span>
<span id="L12" class="LineNr"> 12 </span> <span class="PreProc">break-if-=</span>
<span id="L13" class="LineNr"> 13 </span> <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
<span id="L14" class="LineNr"> 14 </span> compare error?, <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="PreProc">return</span>
<span id="L17" class="LineNr"> 17 </span> <span class="Delimiter">}</span>
<span id="L18" class="LineNr"> 18 </span> <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _in
<span id="L19" class="LineNr"> 19 </span> <span class="muComment"># show intermediate progress on screen if necessary</span>
<span id="L20" class="LineNr"> 20 </span> <span class="Delimiter">{</span>
<span id="L21" class="LineNr"> 21 </span> compare <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, <span class="Constant">0</span>
<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">break-if-=</span>
<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy call-number
<span id="L24" class="LineNr"> 24 </span> tmp <span class="Special"><-</span> and <span class="Constant">0xf</span> <span class="muComment"># every 16 calls to evaluate</span>
<span id="L25" class="LineNr"> 25 </span> compare tmp, <span class="Constant">0</span>
<span id="L26" class="LineNr"> 26 </span> <span class="PreProc">break-if-!=</span>
<span id="L27" class="LineNr"> 27 </span> <span class="PreProc">var</span> <a href='../500fake-screen.mu.html#L25'>screen-cell</a>/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy <a href='../500fake-screen.mu.html#L25'>screen-cell</a>
<span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> screen-cell-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *screen-cell
<span id="L29" class="LineNr"> 29 </span> compare screen-cell-addr, <span class="Constant">0</span>
<span id="L30" class="LineNr"> 30 </span> <span class="PreProc">break-if-=</span>
<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">var</span> screen-obj-ah/<span class="Constant">eax</span>: (addr handle <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> get screen-cell-addr, screen-data
<span id="L32" class="LineNr"> 32 </span> <span class="PreProc">var</span> screen-obj/<span class="Constant">eax</span>: (addr <a href='../500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *screen-obj-ah
<span id="L33" class="LineNr"> 33 </span> compare screen-obj, <span class="Constant">0</span>
<span id="L34" class="LineNr"> 34 </span> <span class="PreProc">break-if-=</span>
<span id="L35" class="LineNr"> 35 </span> <span class="PreProc">var</span> y/<span class="Constant">ecx</span>: int <span class="Special"><-</span> <a href='sandbox.mu.html#L265'>render-screen</a> <span class="Constant">0</span>/screen, screen-obj, <span class="Constant">0x70</span>/xmin, <span class="Constant">2</span>/ymin
<span id="L36" class="LineNr"> 36 </span> <span class="Delimiter">}</span>
<span id="L37" class="LineNr"> 37 </span><span class="CommentedCode">#? dump-cell in</span>
<span id="L38" class="LineNr"> 38 </span><span class="CommentedCode">#? {</span>
<span id="L39" class="LineNr"> 39 </span><span class="CommentedCode">#? var foo/eax: byte <- read-key 0/keyboard</span>
<span id="L40" class="LineNr"> 40 </span><span class="CommentedCode">#? compare foo, 0</span>
<span id="L41" class="LineNr"> 41 </span><span class="CommentedCode">#? loop-if-=</span>
<span id="L42" class="LineNr"> 42 </span><span class="CommentedCode">#? }</span>
<span id="L43" class="Folded"> 43 </span><span class="Folded">+-- 14 lines: # trace "evaluate " in " in environment " env -----------------------------------------------------------------------------------------------------------------------------</span>
<span id="L57" class="LineNr"> 57 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">var</span> in-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *in
<span id="L59" class="LineNr"> 59 </span> <span class="Delimiter">{</span>
<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">var</span> <a href='print.mu.html#L194'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> in-addr
<span id="L61" class="LineNr"> 61 </span> compare <a href='print.mu.html#L194'>nil?</a>, <span class="Constant">0</span>/false
<span id="L62" class="LineNr"> 62 </span> <span class="PreProc">break-if-=</span>
<span id="L63" class="LineNr"> 63 </span> <span class="muComment"># nil is a literal</span>
<span id="L64" class="LineNr"> 64 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"nil"</span>
<span id="L65" class="LineNr"> 65 </span> copy-object _in, out
<span id="L66" class="LineNr"> 66 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">return</span>
<span id="L68" class="LineNr"> 68 </span> <span class="Delimiter">}</span>
<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get in-addr, <span class="PreProc">type</span>
<span id="L70" class="LineNr"> 70 </span> compare *in-type, <span class="Constant">1</span>/number
<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="muComment"># numbers are literals</span>
<span id="L74" class="LineNr"> 74 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"number"</span>
<span id="L75" class="LineNr"> 75 </span> copy-object _in, out
<span id="L76" class="LineNr"> 76 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">return</span>
<span id="L78" class="LineNr"> 78 </span> <span class="Delimiter">}</span>
<span id="L79" class="LineNr"> 79 </span> compare *in-type, <span class="Constant">2</span>/symbol
<span id="L80" class="LineNr"> 80 </span> <span class="Delimiter">{</span>
<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">break-if-!=</span>
<span id="L82" class="LineNr"> 82 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"symbol"</span>
<span id="L83" class="LineNr"> 83 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"a"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L84" class="LineNr"> 84 </span> <a href='evaluate.mu.html#L558'>lookup-symbol</a> in-addr, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
<span id="L85" class="LineNr"> 85 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"z"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L86" class="LineNr"> 86 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L87" class="LineNr"> 87 </span> <span class="PreProc">return</span>
<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span>
<span id="L89" class="LineNr"> 89 </span> compare *in-type, <span class="Constant">5</span>/screen
<span id="L90" class="LineNr"> 90 </span> <span class="Delimiter">{</span>
<span id="L91" class="LineNr"> 91 </span> <span class="PreProc">break-if-!=</span>
<span id="L92" class="LineNr"> 92 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"screen"</span>
<span id="L93" class="LineNr"> 93 </span> copy-object _in, out
<span id="L94" class="LineNr"> 94 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L95" class="LineNr"> 95 </span> <span class="PreProc">return</span>
<span id="L96" class="LineNr"> 96 </span> <span class="Delimiter">}</span>
<span id="L97" class="LineNr"> 97 </span> compare *in-type, <span class="Constant">6</span>/keyboard
<span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">{</span>
<span id="L99" class="LineNr"> 99 </span> <span class="PreProc">break-if-!=</span>
<span id="L100" class="LineNr"> 100 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"keyboard"</span>
<span id="L101" class="LineNr"> 101 </span> copy-object _in, out
<span id="L102" class="LineNr"> 102 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L103" class="LineNr"> 103 </span> <span class="PreProc">return</span>
<span id="L104" class="LineNr"> 104 </span> <span class="Delimiter">}</span>
<span id="L105" class="LineNr"> 105 </span> <span class="muComment"># in-addr is a syntax tree</span>
<span id="L106" class="LineNr"> 106 </span> $evaluate:anonymous-function: <span class="Delimiter">{</span>
<span id="L107" class="LineNr"> 107 </span> <span class="muComment"># trees starting with "fn" are anonymous functions</span>
<span id="L108" class="LineNr"> 108 </span> <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L109" class="LineNr"> 109 </span> <span class="muComment"># if its first elem is not "fn", break</span>
<span id="L110" class="LineNr"> 110 </span> <span class="PreProc">var</span> in-addr/<span class="Constant">edx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L111" class="LineNr"> 111 </span> <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, left
<span id="L112" class="LineNr"> 112 </span> <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
<span id="L113" class="LineNr"> 113 </span> <span class="PreProc">var</span> <a href='evaluate.mu.html#L1029'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='evaluate.mu.html#L1029'>fn?</a> first
<span id="L114" class="LineNr"> 114 </span> compare <a href='evaluate.mu.html#L1029'>fn?</a>, <span class="Constant">0</span>/false
<span id="L115" class="LineNr"> 115 </span> <span class="PreProc">break-if-=</span>
<span id="L116" class="LineNr"> 116 </span> <span class="muComment"># turn (fn ...) into (fn env ...)</span>
<span id="L117" class="LineNr"> 117 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"anonymous function"</span>
<span id="L118" class="LineNr"> 118 </span> <span class="PreProc">var</span> rest-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, right
<span id="L119" class="LineNr"> 119 </span> <span class="PreProc">var</span> tmp: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L120" class="LineNr"> 120 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp
<span id="L121" class="LineNr"> 121 </span> <a href='cell.mu.html#L101'>new-pair</a> tmp-ah, env-h, *rest-ah
<span id="L122" class="LineNr"> 122 </span> <a href='cell.mu.html#L101'>new-pair</a> out, *first-ah, *tmp-ah
<span id="L123" class="LineNr"> 123 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L124" class="LineNr"> 124 </span> <span class="PreProc">return</span>
<span id="L125" class="LineNr"> 125 </span> <span class="Delimiter">}</span>
<span id="L126" class="LineNr"> 126 </span> <span class="muComment"># builtins with "special" evaluation rules</span>
<span id="L127" class="LineNr"> 127 </span> $evaluate:quote: <span class="Delimiter">{</span>
<span id="L128" class="LineNr"> 128 </span> <span class="muComment"># trees starting with single quote create literals</span>
<span id="L129" class="LineNr"> 129 </span> <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L130" class="LineNr"> 130 </span> <span class="muComment"># if its first elem is not "'", break</span>
<span id="L131" class="LineNr"> 131 </span> <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, left
<span id="L132" class="LineNr"> 132 </span> <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, right
<span id="L133" class="LineNr"> 133 </span> <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
<span id="L134" class="LineNr"> 134 </span> <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get first, <span class="PreProc">type</span>
<span id="L135" class="LineNr"> 135 </span> compare *first-type, <span class="Constant">2</span>/symbol
<span id="L136" class="LineNr"> 136 </span> <span class="PreProc">break-if-!=</span>
<span id="L137" class="LineNr"> 137 </span> <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get first, text-data
<span id="L138" class="LineNr"> 138 </span> <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
<span id="L139" class="LineNr"> 139 </span> <span class="PreProc">var</span> quote?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">"'"</span>
<span id="L140" class="LineNr"> 140 </span> compare quote?, <span class="Constant">0</span>/false
<span id="L141" class="LineNr"> 141 </span> <span class="PreProc">break-if-=</span>
<span id="L142" class="LineNr"> 142 </span> <span class="muComment">#</span>
<span id="L143" class="LineNr"> 143 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"quote"</span>
<span id="L144" class="LineNr"> 144 </span> copy-object rest-ah, out
<span id="L145" class="LineNr"> 145 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L146" class="LineNr"> 146 </span> <span class="PreProc">return</span>
<span id="L147" class="LineNr"> 147 </span> <span class="Delimiter">}</span>
<span id="L148" class="LineNr"> 148 </span> $evaluate:def: <span class="Delimiter">{</span>
<span id="L149" class="LineNr"> 149 </span> <span class="muComment"># trees starting with "def" define globals</span>
<span id="L150" class="LineNr"> 150 </span> <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L151" class="LineNr"> 151 </span> <span class="muComment"># if its first elem is not "def", break</span>
<span id="L152" class="LineNr"> 152 </span> <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, left
<span id="L153" class="LineNr"> 153 </span> <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, right
<span id="L154" class="LineNr"> 154 </span> <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
<span id="L155" class="LineNr"> 155 </span> <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get first, <span class="PreProc">type</span>
<span id="L156" class="LineNr"> 156 </span> compare *first-type, <span class="Constant">2</span>/symbol
<span id="L157" class="LineNr"> 157 </span> <span class="PreProc">break-if-!=</span>
<span id="L158" class="LineNr"> 158 </span> <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get first, text-data
<span id="L159" class="LineNr"> 159 </span> <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
<span id="L160" class="LineNr"> 160 </span> <span class="PreProc">var</span> def?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">"def"</span>
<span id="L161" class="LineNr"> 161 </span> compare def?, <span class="Constant">0</span>/false
<span id="L162" class="LineNr"> 162 </span> <span class="PreProc">break-if-=</span>
<span id="L163" class="LineNr"> 163 </span> <span class="muComment">#</span>
<span id="L164" class="LineNr"> 164 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"def"</span>
<span id="L165" class="LineNr"> 165 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"evaluating second arg"</span>
<span id="L166" class="LineNr"> 166 </span> <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L167" class="LineNr"> 167 </span> <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L168" class="LineNr"> 168 </span> <span class="Delimiter">{</span>
<span id="L169" class="LineNr"> 169 </span> <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-arg-ah
<span id="L170" class="LineNr"> 170 </span> <span class="PreProc">var</span> first-arg-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get first-arg, <span class="PreProc">type</span>
<span id="L171" class="LineNr"> 171 </span> compare *first-arg-type, <span class="Constant">2</span>/symbol
<span id="L172" class="LineNr"> 172 </span> <span class="PreProc">break-if-=</span>
<span id="L173" class="LineNr"> 173 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"first arg to def must be a symbol"</span>
<span id="L174" class="LineNr"> 174 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L175" class="LineNr"> 175 </span> <span class="PreProc">return</span>
<span id="L176" class="LineNr"> 176 </span> <span class="Delimiter">}</span>
<span id="L177" class="LineNr"> 177 </span> rest-ah <span class="Special"><-</span> get rest, right
<span id="L178" class="LineNr"> 178 </span> rest <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L179" class="LineNr"> 179 </span> <span class="PreProc">var</span> second-arg-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L180" class="LineNr"> 180 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"P"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L181" class="LineNr"> 181 </span> increment call-number
<span id="L182" class="LineNr"> 182 </span> <a href='evaluate.mu.html#L5'>evaluate</a> second-arg-ah, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L183" class="LineNr"> 183 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"Q"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L184" class="LineNr"> 184 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"saving <a href='global.mu.html#L1'>global</a> binding"</span>
<span id="L185" class="LineNr"> 185 </span> <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-arg-ah
<span id="L186" class="LineNr"> 186 </span> <span class="PreProc">var</span> first-arg-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get first-arg, text-data
<span id="L187" class="LineNr"> 187 </span> <span class="PreProc">var</span> first-arg-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-arg-data-ah
<span id="L188" class="LineNr"> 188 </span> <span class="PreProc">var</span> tmp-string: (handle array byte)
<span id="L189" class="LineNr"> 189 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="Special"><-</span> address tmp-string
<span id="L190" class="LineNr"> 190 </span> <a href='../106stream.subx.html#L59'>rewind-stream</a> first-arg-data
<span id="L191" class="LineNr"> 191 </span> <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> first-arg-data, tmp-ah
<span id="L192" class="LineNr"> 192 </span> <span class="PreProc">var</span> first-arg-data-string/<span class="Constant">eax</span>: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L193" class="LineNr"> 193 </span> <span class="PreProc">var</span> out2/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy out
<span id="L194" class="LineNr"> 194 </span> <a href='global.mu.html#L259'>append-global</a> globals, first-arg-data-string, *out2, trace
<span id="L195" class="LineNr"> 195 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L196" class="LineNr"> 196 </span> <span class="PreProc">return</span>
<span id="L197" class="LineNr"> 197 </span> <span class="Delimiter">}</span>
<span id="L198" class="LineNr"> 198 </span> $evaluate:set: <span class="Delimiter">{</span>
<span id="L199" class="LineNr"> 199 </span> <span class="muComment"># trees starting with "set" mutate bindings</span>
<span id="L200" class="LineNr"> 200 </span> <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L201" class="LineNr"> 201 </span> <span class="muComment"># if its first elem is not "set", break</span>
<span id="L202" class="LineNr"> 202 </span> <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, left
<span id="L203" class="LineNr"> 203 </span> <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, right
<span id="L204" class="LineNr"> 204 </span> <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
<span id="L205" class="LineNr"> 205 </span> <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get first, <span class="PreProc">type</span>
<span id="L206" class="LineNr"> 206 </span> compare *first-type, <span class="Constant">2</span>/symbol
<span id="L207" class="LineNr"> 207 </span> <span class="PreProc">break-if-!=</span>
<span id="L208" class="LineNr"> 208 </span> <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get first, text-data
<span id="L209" class="LineNr"> 209 </span> <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
<span id="L210" class="LineNr"> 210 </span> <span class="PreProc">var</span> set?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">"set"</span>
<span id="L211" class="LineNr"> 211 </span> compare set?, <span class="Constant">0</span>/false
<span id="L212" class="LineNr"> 212 </span> <span class="PreProc">break-if-=</span>
<span id="L213" class="LineNr"> 213 </span> <span class="muComment">#</span>
<span id="L214" class="LineNr"> 214 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"set"</span>
<span id="L215" class="LineNr"> 215 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"evaluating second arg"</span>
<span id="L216" class="LineNr"> 216 </span> <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L217" class="LineNr"> 217 </span> <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L218" class="LineNr"> 218 </span> <span class="Delimiter">{</span>
<span id="L219" class="LineNr"> 219 </span> <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-arg-ah
<span id="L220" class="LineNr"> 220 </span> <span class="PreProc">var</span> first-arg-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get first-arg, <span class="PreProc">type</span>
<span id="L221" class="LineNr"> 221 </span> compare *first-arg-type, <span class="Constant">2</span>/symbol
<span id="L222" class="LineNr"> 222 </span> <span class="PreProc">break-if-=</span>
<span id="L223" class="LineNr"> 223 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"first arg to set must be a symbol"</span>
<span id="L224" class="LineNr"> 224 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L225" class="LineNr"> 225 </span> <span class="PreProc">return</span>
<span id="L226" class="LineNr"> 226 </span> <span class="Delimiter">}</span>
<span id="L227" class="LineNr"> 227 </span> rest-ah <span class="Special"><-</span> get rest, right
<span id="L228" class="LineNr"> 228 </span> rest <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L229" class="LineNr"> 229 </span> <span class="PreProc">var</span> second-arg-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L230" class="LineNr"> 230 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"P"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L231" class="LineNr"> 231 </span> increment call-number
<span id="L232" class="LineNr"> 232 </span> <a href='evaluate.mu.html#L5'>evaluate</a> second-arg-ah, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L233" class="LineNr"> 233 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"Q"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L234" class="LineNr"> 234 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"mutating binding"</span>
<span id="L235" class="LineNr"> 235 </span> <span class="PreProc">var</span> first-arg/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-arg-ah
<span id="L236" class="LineNr"> 236 </span> <span class="PreProc">var</span> first-arg-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get first-arg, text-data
<span id="L237" class="LineNr"> 237 </span> <span class="PreProc">var</span> first-arg-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-arg-data-ah
<span id="L238" class="LineNr"> 238 </span> <a href='evaluate.mu.html#L742'>mutate-binding</a> first-arg-data, out, env-h, globals, trace
<span id="L239" class="LineNr"> 239 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L240" class="LineNr"> 240 </span> <span class="PreProc">return</span>
<span id="L241" class="LineNr"> 241 </span> <span class="Delimiter">}</span>
<span id="L242" class="LineNr"> 242 </span> $evaluate:if: <span class="Delimiter">{</span>
<span id="L243" class="LineNr"> 243 </span> <span class="muComment"># trees starting with "if" are conditionals</span>
<span id="L244" class="LineNr"> 244 </span> <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L245" class="LineNr"> 245 </span> <span class="muComment"># if its first elem is not "if", break</span>
<span id="L246" class="LineNr"> 246 </span> <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, left
<span id="L247" class="LineNr"> 247 </span> <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, right
<span id="L248" class="LineNr"> 248 </span> <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
<span id="L249" class="LineNr"> 249 </span> <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get first, <span class="PreProc">type</span>
<span id="L250" class="LineNr"> 250 </span> compare *first-type, <span class="Constant">2</span>/symbol
<span id="L251" class="LineNr"> 251 </span> <span class="PreProc">break-if-!=</span>
<span id="L252" class="LineNr"> 252 </span> <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get first, text-data
<span id="L253" class="LineNr"> 253 </span> <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
<span id="L254" class="LineNr"> 254 </span> <span class="PreProc">var</span> if?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">"if"</span>
<span id="L255" class="LineNr"> 255 </span> compare if?, <span class="Constant">0</span>/false
<span id="L256" class="LineNr"> 256 </span> <span class="PreProc">break-if-=</span>
<span id="L257" class="LineNr"> 257 </span> <span class="muComment">#</span>
<span id="L258" class="LineNr"> 258 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"if"</span>
<span id="L259" class="LineNr"> 259 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"evaluating first arg"</span>
<span id="L260" class="LineNr"> 260 </span> <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L261" class="LineNr"> 261 </span> <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L262" class="LineNr"> 262 </span> <span class="PreProc">var</span> guard-h: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L263" class="LineNr"> 263 </span> <span class="PreProc">var</span> guard-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address guard-h
<span id="L264" class="LineNr"> 264 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"R"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L265" class="LineNr"> 265 </span> increment call-number
<span id="L266" class="LineNr"> 266 </span> <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, guard-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L267" class="LineNr"> 267 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"S"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L268" class="LineNr"> 268 </span> rest-ah <span class="Special"><-</span> get rest, right
<span id="L269" class="LineNr"> 269 </span> rest <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L270" class="LineNr"> 270 </span> <span class="PreProc">var</span> branch-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L271" class="LineNr"> 271 </span> <span class="PreProc">var</span> guard-a/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *guard-ah
<span id="L272" class="LineNr"> 272 </span> <span class="PreProc">var</span> skip-to-third-arg?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> guard-a
<span id="L273" class="LineNr"> 273 </span> compare skip-to-third-arg?, <span class="Constant">0</span>/false
<span id="L274" class="LineNr"> 274 </span> <span class="Delimiter">{</span>
<span id="L275" class="LineNr"> 275 </span> <span class="PreProc">break-if-=</span>
<span id="L276" class="LineNr"> 276 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"skipping to third arg"</span>
<span id="L277" class="LineNr"> 277 </span> <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L278" class="LineNr"> 278 </span> rest-ah <span class="Special"><-</span> get rest, right
<span id="L279" class="LineNr"> 279 </span> rest <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L280" class="LineNr"> 280 </span> branch-ah <span class="Special"><-</span> get rest, left
<span id="L281" class="LineNr"> 281 </span> <span class="Delimiter">}</span>
<span id="L282" class="LineNr"> 282 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"T"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L283" class="LineNr"> 283 </span> increment call-number
<span id="L284" class="LineNr"> 284 </span> <a href='evaluate.mu.html#L5'>evaluate</a> branch-ah, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L285" class="LineNr"> 285 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"U"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L286" class="LineNr"> 286 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L287" class="LineNr"> 287 </span> <span class="PreProc">return</span>
<span id="L288" class="LineNr"> 288 </span> <span class="Delimiter">}</span>
<span id="L289" class="LineNr"> 289 </span> $evaluate:while: <span class="Delimiter">{</span>
<span id="L290" class="LineNr"> 290 </span> <span class="muComment"># trees starting with "while" are loops</span>
<span id="L291" class="LineNr"> 291 </span> <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L292" class="LineNr"> 292 </span> <span class="muComment"># if its first elem is not "while", break</span>
<span id="L293" class="LineNr"> 293 </span> <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, left
<span id="L294" class="LineNr"> 294 </span> <span class="PreProc">var</span> rest-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in-addr, right
<span id="L295" class="LineNr"> 295 </span> <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
<span id="L296" class="LineNr"> 296 </span> <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get first, <span class="PreProc">type</span>
<span id="L297" class="LineNr"> 297 </span> compare *first-type, <span class="Constant">2</span>/symbol
<span id="L298" class="LineNr"> 298 </span> <span class="PreProc">break-if-!=</span>
<span id="L299" class="LineNr"> 299 </span> <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get first, text-data
<span id="L300" class="LineNr"> 300 </span> <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
<span id="L301" class="LineNr"> 301 </span> <span class="PreProc">var</span> while?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">"while"</span>
<span id="L302" class="LineNr"> 302 </span> compare while?, <span class="Constant">0</span>/false
<span id="L303" class="LineNr"> 303 </span> <span class="PreProc">break-if-=</span>
<span id="L304" class="LineNr"> 304 </span> <span class="muComment">#</span>
<span id="L305" class="LineNr"> 305 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"while"</span>
<span id="L306" class="LineNr"> 306 </span> <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L307" class="LineNr"> 307 </span> <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L308" class="LineNr"> 308 </span> rest-ah <span class="Special"><-</span> get rest, right
<span id="L309" class="LineNr"> 309 </span> <span class="PreProc">var</span> guard-h: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L310" class="LineNr"> 310 </span> <span class="PreProc">var</span> guard-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address guard-h
<span id="L311" class="LineNr"> 311 </span> $evaluate:while:loop-execution: <span class="Delimiter">{</span>
<span id="L312" class="LineNr"> 312 </span> <span class="Delimiter">{</span>
<span id="L313" class="LineNr"> 313 </span> compare trace, <span class="Constant">0</span>
<span id="L314" class="LineNr"> 314 </span> <span class="PreProc">break-if-=</span>
<span id="L315" class="LineNr"> 315 </span> <span class="PreProc">var</span> error?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='trace.mu.html#L54'>has-errors?</a> trace
<span id="L316" class="LineNr"> 316 </span> compare error?, <span class="Constant">0</span>/false
<span id="L317" class="LineNr"> 317 </span> <span class="PreProc">break-if-!=</span> $evaluate:while:loop-execution
<span id="L318" class="LineNr"> 318 </span> <span class="Delimiter">}</span>
<span id="L319" class="LineNr"> 319 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"loop termination check"</span>
<span id="L320" class="LineNr"> 320 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"V"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L321" class="LineNr"> 321 </span> increment call-number
<span id="L322" class="LineNr"> 322 </span> <a href='evaluate.mu.html#L5'>evaluate</a> first-arg-ah, guard-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L323" class="LineNr"> 323 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"W"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L324" class="LineNr"> 324 </span> <span class="PreProc">var</span> guard-a/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *guard-ah
<span id="L325" class="LineNr"> 325 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> guard-a
<span id="L326" class="LineNr"> 326 </span> compare done?, <span class="Constant">0</span>/false
<span id="L327" class="LineNr"> 327 </span> <span class="PreProc">break-if-!=</span>
<span id="L328" class="LineNr"> 328 </span> <a href='evaluate.mu.html#L446'>evaluate-exprs</a> rest-ah, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L329" class="LineNr"> 329 </span> <span class="PreProc">loop</span>
<span id="L330" class="LineNr"> 330 </span> <span class="Delimiter">}</span>
<span id="L331" class="LineNr"> 331 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"loop terminated"</span>
<span id="L332" class="LineNr"> 332 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L333" class="LineNr"> 333 </span> <span class="PreProc">return</span>
<span id="L334" class="LineNr"> 334 </span> <span class="Delimiter">}</span>
<span id="L335" class="LineNr"> 335 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"function call"</span>
<span id="L336" class="LineNr"> 336 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"evaluating list elements"</span>
<span id="L337" class="LineNr"> 337 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L338" class="LineNr"> 338 </span> <span class="PreProc">var</span> evaluated-list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L339" class="LineNr"> 339 </span> <span class="PreProc">var</span> evaluated-list-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address evaluated-list-storage
<span id="L340" class="LineNr"> 340 </span> <span class="PreProc">var</span> curr-out-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy evaluated-list-ah
<span id="L341" class="LineNr"> 341 </span> <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy in-addr
<span id="L342" class="LineNr"> 342 </span> $evaluate-list:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
<span id="L343" class="LineNr"> 343 </span> <a href='cell.mu.html#L87'>allocate-pair</a> curr-out-ah
<span id="L344" class="LineNr"> 344 </span> <span class="PreProc">var</span> <a href='print.mu.html#L194'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> curr
<span id="L345" class="LineNr"> 345 </span> compare <a href='print.mu.html#L194'>nil?</a>, <span class="Constant">0</span>/false
<span id="L346" class="LineNr"> 346 </span> <span class="PreProc">break-if-!=</span>
<span id="L347" class="LineNr"> 347 </span> <span class="muComment"># eval left</span>
<span id="L348" class="LineNr"> 348 </span> <span class="PreProc">var</span> curr-out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *curr-out-ah
<span id="L349" class="LineNr"> 349 </span> <span class="PreProc">var</span> left-out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get curr-out, left
<span id="L350" class="LineNr"> 350 </span> <span class="PreProc">var</span> left-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get curr, left
<span id="L351" class="LineNr"> 351 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"A"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L352" class="LineNr"> 352 </span> increment call-number
<span id="L353" class="LineNr"> 353 </span> <a href='evaluate.mu.html#L5'>evaluate</a> left-ah, left-out-ah, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L354" class="LineNr"> 354 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"B"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L355" class="LineNr"> 355 </span> <span class="muComment">#</span>
<span id="L356" class="LineNr"> 356 </span> curr-out-ah <span class="Special"><-</span> get curr-out, right
<span id="L357" class="LineNr"> 357 </span> <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get curr, right
<span id="L358" class="LineNr"> 358 </span> <span class="PreProc">var</span> right/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *right-ah
<span id="L359" class="LineNr"> 359 </span> curr <span class="Special"><-</span> copy right
<span id="L360" class="LineNr"> 360 </span> <span class="PreProc">loop</span>
<span id="L361" class="LineNr"> 361 </span> <span class="Delimiter">}</span>
<span id="L362" class="LineNr"> 362 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L363" class="LineNr"> 363 </span> <span class="PreProc">var</span> evaluated-list/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *evaluated-list-ah
<span id="L364" class="LineNr"> 364 </span> <span class="PreProc">var</span> function-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get evaluated-list, left
<span id="L365" class="LineNr"> 365 </span> <span class="PreProc">var</span> args-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get evaluated-list, right
<span id="L366" class="LineNr"> 366 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"C"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L367" class="LineNr"> 367 </span> <a href='evaluate.mu.html#L384'>apply</a> function-ah, args-ah, out, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L368" class="LineNr"> 368 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"Y"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L369" class="LineNr"> 369 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L370" class="Folded"> 370 </span><span class="Folded">+-- 11 lines: # trace "=> " out ---------------------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L381" class="LineNr"> 381 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"Z"</span>, <span class="Constant">4</span>/fg, <span class="Constant">0</span>/bg
<span id="L382" class="LineNr"> 382 </span><span class="Delimiter">}</span>
<span id="L383" class="LineNr"> 383 </span>
<span id="L384" class="LineNr"> 384 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L384'>apply</a></span> _f-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L6'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
<span id="L385" class="LineNr"> 385 </span> <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _f-ah
<span id="L386" class="LineNr"> 386 </span> <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *f-ah
<span id="L387" class="LineNr"> 387 </span> <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _f
<span id="L388" class="LineNr"> 388 </span> <span class="muComment"># call primitive functions</span>
<span id="L389" class="LineNr"> 389 </span> <span class="Delimiter">{</span>
<span id="L390" class="LineNr"> 390 </span> <span class="PreProc">var</span> f-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get f, <span class="PreProc">type</span>
<span id="L391" class="LineNr"> 391 </span> compare *f-type, <span class="Constant">4</span>/primitive-function
<span id="L392" class="LineNr"> 392 </span> <span class="PreProc">break-if-!=</span>
<span id="L393" class="LineNr"> 393 </span> <a href='global.mu.html#L441'>apply-primitive</a> f, args-ah, out, globals, trace
<span id="L394" class="LineNr"> 394 </span> <span class="PreProc">return</span>
<span id="L395" class="LineNr"> 395 </span> <span class="Delimiter">}</span>
<span id="L396" class="LineNr"> 396 </span> <span class="muComment"># if it's not a primitive function it must be an anonymous function</span>
<span id="L397" class="Folded"> 397 </span><span class="Folded">+-- 14 lines: # trace "apply anonymous function " f " in environment " env --------------------------------------------------------------------------------------------------------------</span>
<span id="L411" class="LineNr"> 411 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L412" class="LineNr"> 412 </span> <span class="Delimiter">{</span>
<span id="L413" class="LineNr"> 413 </span> <span class="PreProc">var</span> f-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get f, <span class="PreProc">type</span>
<span id="L414" class="LineNr"> 414 </span> compare *f-type, <span class="Constant">0</span>/pair
<span id="L415" class="LineNr"> 415 </span> <span class="PreProc">break-if-!=</span>
<span id="L416" class="LineNr"> 416 </span> <span class="PreProc">var</span> first-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get f, left
<span id="L417" class="LineNr"> 417 </span> <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
<span id="L418" class="LineNr"> 418 </span> <span class="PreProc">var</span> <a href='evaluate.mu.html#L1029'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='evaluate.mu.html#L1029'>fn?</a> first
<span id="L419" class="LineNr"> 419 </span> compare <a href='evaluate.mu.html#L1029'>fn?</a>, <span class="Constant">0</span>/false
<span id="L420" class="LineNr"> 420 </span> <span class="PreProc">break-if-=</span>
<span id="L421" class="LineNr"> 421 </span> <span class="PreProc">var</span> rest-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get f, right
<span id="L422" class="LineNr"> 422 </span> <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L423" class="LineNr"> 423 </span> <span class="PreProc">var</span> callee-env-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L424" class="LineNr"> 424 </span> rest-ah <span class="Special"><-</span> get rest, right
<span id="L425" class="LineNr"> 425 </span> rest <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
<span id="L426" class="LineNr"> 426 </span> <span class="PreProc">var</span> params-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, left
<span id="L427" class="LineNr"> 427 </span> <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get rest, right
<span id="L428" class="LineNr"> 428 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"D"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L429" class="LineNr"> 429 </span> <a href='evaluate.mu.html#L437'>apply-function</a> params-ah, args-ah, body-ah, out, *callee-env-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L430" class="LineNr"> 430 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"Y"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L431" class="LineNr"> 431 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L432" class="LineNr"> 432 </span> <span class="PreProc">return</span>
<span id="L433" class="LineNr"> 433 </span> <span class="Delimiter">}</span>
<span id="L434" class="LineNr"> 434 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"unknown function"</span>
<span id="L435" class="LineNr"> 435 </span><span class="Delimiter">}</span>
<span id="L436" class="LineNr"> 436 </span>
<span id="L437" class="LineNr"> 437 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L437'>apply-function</a></span> params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), body-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L6'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
<span id="L438" class="LineNr"> 438 </span> <span class="muComment"># push bindings for params to env</span>
<span id="L439" class="LineNr"> 439 </span> <span class="PreProc">var</span> new-env-h: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L440" class="LineNr"> 440 </span> <span class="PreProc">var</span> new-env-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address new-env-h
<span id="L441" class="LineNr"> 441 </span> <a href='evaluate.mu.html#L483'>push-bindings</a> params-ah, args-ah, env-h, new-env-ah, trace
<span id="L442" class="LineNr"> 442 </span> <span class="muComment">#</span>
<span id="L443" class="LineNr"> 443 </span> <a href='evaluate.mu.html#L446'>evaluate-exprs</a> body-ah, out, new-env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L444" class="LineNr"> 444 </span><span class="Delimiter">}</span>
<span id="L445" class="LineNr"> 445 </span>
<span id="L446" class="LineNr"> 446 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L446'>evaluate-exprs</a></span> _exprs-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L6'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>), call-number: int <span class="Delimiter">{</span>
<span id="L447" class="LineNr"> 447 </span> <span class="muComment"># eval all exprs, writing result to `out` each time</span>
<span id="L448" class="LineNr"> 448 </span> <span class="PreProc">var</span> exprs-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _exprs-ah
<span id="L449" class="LineNr"> 449 </span> $evaluate-exprs:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
<span id="L450" class="LineNr"> 450 </span> <span class="PreProc">var</span> exprs/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *exprs-ah
<span id="L451" class="LineNr"> 451 </span> <span class="muComment"># stop when exprs is nil</span>
<span id="L452" class="LineNr"> 452 </span> <span class="Delimiter">{</span>
<span id="L453" class="LineNr"> 453 </span> <span class="PreProc">var</span> exprs-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> exprs
<span id="L454" class="LineNr"> 454 </span> compare exprs-nil?, <span class="Constant">0</span>/false
<span id="L455" class="LineNr"> 455 </span> <span class="PreProc">break-if-!=</span> $evaluate-exprs:<span class="PreProc">loop</span>
<span id="L456" class="LineNr"> 456 </span> <span class="Delimiter">}</span>
<span id="L457" class="LineNr"> 457 </span> <span class="muComment"># evaluate each expression, writing result to `out`</span>
<span id="L458" class="LineNr"> 458 </span> <span class="Delimiter">{</span>
<span id="L459" class="LineNr"> 459 </span> <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get exprs, left
<span id="L460" class="LineNr"> 460 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"E"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L461" class="LineNr"> 461 </span> increment call-number
<span id="L462" class="LineNr"> 462 </span> <a href='evaluate.mu.html#L5'>evaluate</a> curr-ah, out, env-h, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell, call-number
<span id="L463" class="LineNr"> 463 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"X"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L464" class="LineNr"> 464 </span> <span class="Delimiter">}</span>
<span id="L465" class="LineNr"> 465 </span> <span class="muComment">#</span>
<span id="L466" class="LineNr"> 466 </span> exprs-ah <span class="Special"><-</span> get exprs, right
<span id="L467" class="LineNr"> 467 </span> <span class="PreProc">loop</span>
<span id="L468" class="LineNr"> 468 </span> <span class="Delimiter">}</span>
<span id="L469" class="LineNr"> 469 </span> <span class="muComment"># `out` contains result of evaluating final expression</span>
<span id="L470" class="LineNr"> 470 </span><span class="Delimiter">}</span>
<span id="L471" class="LineNr"> 471 </span>
<span id="L472" class="LineNr"> 472 </span><span class="muComment"># Bind params to corresponding args and add the bindings to old-env. Return</span>
<span id="L473" class="LineNr"> 473 </span><span class="muComment"># the result in env-ah.</span>
<span id="L474" class="LineNr"> 474 </span><span class="muComment">#</span>
<span id="L475" class="LineNr"> 475 </span><span class="muComment"># We never modify old-env, but we point to it. This way other parts of the</span>
<span id="L476" class="LineNr"> 476 </span><span class="muComment"># interpreter can continue using old-env, and everything works harmoniously</span>
<span id="L477" class="LineNr"> 477 </span><span class="muComment"># even though no cells are copied around.</span>
<span id="L478" class="LineNr"> 478 </span><span class="muComment">#</span>
<span id="L479" class="LineNr"> 479 </span><span class="muComment"># env should always be a DAG (ignoring internals of values). It doesn't have</span>
<span id="L480" class="LineNr"> 480 </span><span class="muComment"># to be a tree (some values may be shared), but there are also no cycles.</span>
<span id="L481" class="LineNr"> 481 </span><span class="muComment">#</span>
<span id="L482" class="LineNr"> 482 </span><span class="muComment"># Learn more: <a href="https://en.wikipedia.org/wiki/Persistent_data_structure">https://en.wikipedia.org/wiki/Persistent_data_structure</a></span>
<span id="L483" class="LineNr"> 483 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L483'>push-bindings</a></span> _params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), old-env-h: (handle <a href='cell.mu.html#L1'>cell</a>), env-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
<span id="L484" class="LineNr"> 484 </span> <span class="PreProc">var</span> params-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _params-ah
<span id="L485" class="LineNr"> 485 </span> <span class="PreProc">var</span> args-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _args-ah
<span id="L486" class="LineNr"> 486 </span> <span class="PreProc">var</span> _params/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *params-ah
<span id="L487" class="LineNr"> 487 </span> <span class="PreProc">var</span> params/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _params
<span id="L488" class="LineNr"> 488 </span> <span class="Delimiter">{</span>
<span id="L489" class="LineNr"> 489 </span> <span class="PreProc">var</span> params-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> params
<span id="L490" class="LineNr"> 490 </span> compare params-nil?, <span class="Constant">0</span>/false
<span id="L491" class="LineNr"> 491 </span> <span class="PreProc">break-if-=</span>
<span id="L492" class="LineNr"> 492 </span> <span class="muComment"># nil is a literal</span>
<span id="L493" class="LineNr"> 493 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"done with push-bindings"</span>
<span id="L494" class="LineNr"> 494 </span> <a href='../120allocate.subx.html#L455'>copy-handle</a> old-env-h, env-ah
<span id="L495" class="LineNr"> 495 </span> <span class="PreProc">return</span>
<span id="L496" class="LineNr"> 496 </span> <span class="Delimiter">}</span>
<span id="L497" class="LineNr"> 497 </span> <span class="muComment"># Params can only be symbols or pairs. Args can be anything.</span>
<span id="L498" class="Folded"> 498 </span><span class="Folded">+-- 16 lines: # trace "pushing bindings from " params " to " args -----------------------------------------------------------------------------------------------------------------------</span>
<span id="L514" class="LineNr"> 514 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L515" class="LineNr"> 515 </span> <span class="PreProc">var</span> params-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get params, <span class="PreProc">type</span>
<span id="L516" class="LineNr"> 516 </span> compare *params-type, <span class="Constant">2</span>/symbol
<span id="L517" class="LineNr"> 517 </span> <span class="Delimiter">{</span>
<span id="L518" class="LineNr"> 518 </span> <span class="PreProc">break-if-!=</span>
<span id="L519" class="LineNr"> 519 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"symbol; binding to all remaining args"</span>
<span id="L520" class="LineNr"> 520 </span> <span class="muComment"># create a new binding</span>
<span id="L521" class="LineNr"> 521 </span> <span class="PreProc">var</span> new-binding-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L522" class="LineNr"> 522 </span> <span class="PreProc">var</span> new-binding-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address new-binding-storage
<span id="L523" class="LineNr"> 523 </span> <a href='cell.mu.html#L101'>new-pair</a> new-binding-ah, *params-ah, *args-ah
<span id="L524" class="LineNr"> 524 </span> <span class="muComment"># push it to env</span>
<span id="L525" class="LineNr"> 525 </span> <a href='cell.mu.html#L101'>new-pair</a> env-ah, *new-binding-ah, old-env-h
<span id="L526" class="LineNr"> 526 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L527" class="LineNr"> 527 </span> <span class="PreProc">return</span>
<span id="L528" class="LineNr"> 528 </span> <span class="Delimiter">}</span>
<span id="L529" class="LineNr"> 529 </span> compare *params-type, <span class="Constant">0</span>/pair
<span id="L530" class="LineNr"> 530 </span> <span class="Delimiter">{</span>
<span id="L531" class="LineNr"> 531 </span> <span class="PreProc">break-if-=</span>
<span id="L532" class="LineNr"> 532 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"cannot bind a non-symbol"</span>
<span id="L533" class="LineNr"> 533 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L534" class="LineNr"> 534 </span> <span class="PreProc">return</span>
<span id="L535" class="LineNr"> 535 </span> <span class="Delimiter">}</span>
<span id="L536" class="LineNr"> 536 </span> <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *args-ah
<span id="L537" class="LineNr"> 537 </span> <span class="PreProc">var</span> args/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _args
<span id="L538" class="LineNr"> 538 </span> <span class="muComment"># params is now a pair, so args must be also</span>
<span id="L539" class="LineNr"> 539 </span> <span class="PreProc">var</span> args-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get args, <span class="PreProc">type</span>
<span id="L540" class="LineNr"> 540 </span> compare *args-type, <span class="Constant">0</span>/pair
<span id="L541" class="LineNr"> 541 </span> <span class="Delimiter">{</span>
<span id="L542" class="LineNr"> 542 </span> <span class="PreProc">break-if-=</span>
<span id="L543" class="LineNr"> 543 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"args not in a proper list"</span>
<span id="L544" class="LineNr"> 544 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L545" class="LineNr"> 545 </span> <span class="PreProc">return</span>
<span id="L546" class="LineNr"> 546 </span> <span class="Delimiter">}</span>
<span id="L547" class="LineNr"> 547 </span> <span class="PreProc">var</span> intermediate-env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L548" class="LineNr"> 548 </span> <span class="PreProc">var</span> intermediate-env-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address intermediate-env-storage
<span id="L549" class="LineNr"> 549 </span> <span class="PreProc">var</span> first-param-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get params, left
<span id="L550" class="LineNr"> 550 </span> <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get args, left
<span id="L551" class="LineNr"> 551 </span> <a href='evaluate.mu.html#L483'>push-bindings</a> first-param-ah, first-arg-ah, old-env-h, intermediate-env-ah, trace
<span id="L552" class="LineNr"> 552 </span> <span class="PreProc">var</span> remaining-params-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get params, right
<span id="L553" class="LineNr"> 553 </span> <span class="PreProc">var</span> remaining-args-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get args, right
<span id="L554" class="LineNr"> 554 </span> <a href='evaluate.mu.html#L483'>push-bindings</a> remaining-params-ah, remaining-args-ah, *intermediate-env-ah, env-ah, trace
<span id="L555" class="LineNr"> 555 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L556" class="LineNr"> 556 </span><span class="Delimiter">}</span>
<span id="L557" class="LineNr"> 557 </span>
<span id="L558" class="LineNr"> 558 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L558'>lookup-symbol</a></span> sym: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L6'>global-table</a>), trace: (addr trace), <a href='../500fake-screen.mu.html#L25'>screen-cell</a>: (addr handle <a href='cell.mu.html#L1'>cell</a>), keyboard-cell: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Delimiter">{</span>
<span id="L559" class="LineNr"> 559 </span> <span class="muComment"># trace sym</span>
<span id="L560" class="LineNr"> 560 </span> <span class="Delimiter">{</span>
<span id="L561" class="LineNr"> 561 </span> compare trace, <span class="Constant">0</span>
<span id="L562" class="LineNr"> 562 </span> <span class="PreProc">break-if-=</span>
<span id="L563" class="LineNr"> 563 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x800</span>) <span class="muComment"># pessimistically sized just for the large alist loaded from disk in `main`</span>
<span id="L564" class="LineNr"> 564 </span> <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special"><-</span> address stream-storage
<span id="L565" class="LineNr"> 565 </span> <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">"look up "</span>
<span id="L566" class="LineNr"> 566 </span> <span class="PreProc">var</span> sym2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy sym
<span id="L567" class="LineNr"> 567 </span> <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get sym2, text-data
<span id="L568" class="LineNr"> 568 </span> <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
<span id="L569" class="LineNr"> 569 </span> <a href='../106stream.subx.html#L59'>rewind-stream</a> sym-data
<span id="L570" class="LineNr"> 570 </span> <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, sym-data
<span id="L571" class="LineNr"> 571 </span> <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">" in "</span>
<span id="L572" class="LineNr"> 572 </span> <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-h
<span id="L573" class="LineNr"> 573 </span> <a href='print.mu.html#L1'>print-cell</a> env-ah, stream, <span class="Constant">0</span>/no-trace
<span id="L574" class="LineNr"> 574 </span> trace trace, <span class="Constant">"eval"</span>, stream
<span id="L575" class="LineNr"> 575 </span> <span class="Delimiter">}</span>
<span id="L576" class="LineNr"> 576 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L577" class="LineNr"> 577 </span> <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> env-h
<span id="L578" class="LineNr"> 578 </span> <span class="PreProc">var</span> env/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _env
<span id="L579" class="LineNr"> 579 </span> <span class="muComment"># if env is not a list, abort</span>
<span id="L580" class="LineNr"> 580 </span> <span class="Delimiter">{</span>
<span id="L581" class="LineNr"> 581 </span> <span class="PreProc">var</span> env-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get env, <span class="PreProc">type</span>
<span id="L582" class="LineNr"> 582 </span> compare *env-type, <span class="Constant">0</span>/pair
<span id="L583" class="LineNr"> 583 </span> <span class="PreProc">break-if-=</span>
<span id="L584" class="LineNr"> 584 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"eval found a non-list environment"</span>
<span id="L585" class="LineNr"> 585 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L586" class="LineNr"> 586 </span> <span class="PreProc">return</span>
<span id="L587" class="LineNr"> 587 </span> <span class="Delimiter">}</span>
<span id="L588" class="LineNr"> 588 </span> <span class="muComment"># if env is nil, look up in globals</span>
<span id="L589" class="LineNr"> 589 </span> <span class="Delimiter">{</span>
<span id="L590" class="LineNr"> 590 </span> <span class="PreProc">var</span> env-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> env
<span id="L591" class="LineNr"> 591 </span> compare env-nil?, <span class="Constant">0</span>/false
<span id="L592" class="LineNr"> 592 </span> <span class="PreProc">break-if-=</span>
<span id="L593" class="LineNr"> 593 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"b"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L594" class="LineNr"> 594 </span> <a href='global.mu.html#L302'>lookup-symbol-in-globals</a> sym, out, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
<span id="L595" class="LineNr"> 595 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"x"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L596" class="LineNr"> 596 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L597" class="Folded"> 597 </span><span class="Folded">+-- 15 lines: # trace "=> " out " (global)" ---------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L612" class="LineNr"> 612 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"y"</span>, <span class="Constant">7</span>/fg, <span class="Constant">0</span>/bg
<span id="L613" class="LineNr"> 613 </span> <span class="PreProc">return</span>
<span id="L614" class="LineNr"> 614 </span> <span class="Delimiter">}</span>
<span id="L615" class="LineNr"> 615 </span> <span class="muComment"># check car</span>
<span id="L616" class="LineNr"> 616 </span> <span class="PreProc">var</span> env-head-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L617" class="LineNr"> 617 </span> <span class="PreProc">var</span> env-head-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-head-storage
<span id="L618" class="LineNr"> 618 </span> <a href='evaluate.mu.html#L848'>car</a> env, env-head-ah, <span class="Constant">0</span>/no-trace
<span id="L619" class="LineNr"> 619 </span> <span class="PreProc">var</span> _env-head/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *env-head-ah
<span id="L620" class="LineNr"> 620 </span> <span class="PreProc">var</span> env-head/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _env-head
<span id="L621" class="LineNr"> 621 </span> <span class="muComment"># if car is not a list, abort</span>
<span id="L622" class="LineNr"> 622 </span> <span class="Delimiter">{</span>
<span id="L623" class="LineNr"> 623 </span> <span class="PreProc">var</span> env-head-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get env-head, <span class="PreProc">type</span>
<span id="L624" class="LineNr"> 624 </span> compare *env-head-type, <span class="Constant">0</span>/pair
<span id="L625" class="LineNr"> 625 </span> <span class="PreProc">break-if-=</span>
<span id="L626" class="LineNr"> 626 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"environment is not a list of (key . value) pairs"</span>
<span id="L627" class="LineNr"> 627 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L628" class="LineNr"> 628 </span> <span class="PreProc">return</span>
<span id="L629" class="LineNr"> 629 </span> <span class="Delimiter">}</span>
<span id="L630" class="LineNr"> 630 </span> <span class="muComment"># check key</span>
<span id="L631" class="LineNr"> 631 </span> <span class="PreProc">var</span> curr-key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L632" class="LineNr"> 632 </span> <span class="PreProc">var</span> curr-key-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address curr-key-storage
<span id="L633" class="LineNr"> 633 </span> <a href='evaluate.mu.html#L848'>car</a> env-head, curr-key-ah, trace
<span id="L634" class="LineNr"> 634 </span> <span class="PreProc">var</span> curr-key/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *curr-key-ah
<span id="L635" class="LineNr"> 635 </span> <span class="muComment"># if key is not a symbol, abort</span>
<span id="L636" class="LineNr"> 636 </span> <span class="Delimiter">{</span>
<span id="L637" class="LineNr"> 637 </span> <span class="PreProc">var</span> curr-key-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get curr-key, <span class="PreProc">type</span>
<span id="L638" class="LineNr"> 638 </span> compare *curr-key-type, <span class="Constant">2</span>/symbol
<span id="L639" class="LineNr"> 639 </span> <span class="PreProc">break-if-=</span>
<span id="L640" class="LineNr"> 640 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"environment contains a binding for a non-symbol"</span>
<span id="L641" class="LineNr"> 641 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L642" class="LineNr"> 642 </span> <span class="PreProc">return</span>
<span id="L643" class="LineNr"> 643 </span> <span class="Delimiter">}</span>
<span id="L644" class="LineNr"> 644 </span> <span class="muComment"># if key matches sym, return val</span>
<span id="L645" class="LineNr"> 645 </span> <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='evaluate.mu.html#L904'>cell-isomorphic?</a> curr-key, sym, trace
<span id="L646" class="LineNr"> 646 </span> compare match?, <span class="Constant">0</span>/false
<span id="L647" class="LineNr"> 647 </span> <span class="Delimiter">{</span>
<span id="L648" class="LineNr"> 648 </span> <span class="PreProc">break-if-=</span>
<span id="L649" class="LineNr"> 649 </span> <a href='evaluate.mu.html#L876'>cdr</a> env-head, out, <span class="Constant">0</span>/no-trace
<span id="L650" class="Folded"> 650 </span><span class="Folded">+-- 15 lines: # trace "=> " out " (match)" ----------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L665" class="LineNr"> 665 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L666" class="LineNr"> 666 </span> <span class="PreProc">return</span>
<span id="L667" class="LineNr"> 667 </span> <span class="Delimiter">}</span>
<span id="L668" class="LineNr"> 668 </span> <span class="muComment"># otherwise recurse</span>
<span id="L669" class="LineNr"> 669 </span> <span class="PreProc">var</span> env-tail-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L670" class="LineNr"> 670 </span> <span class="PreProc">var</span> env-tail-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-tail-storage
<span id="L671" class="LineNr"> 671 </span> <a href='evaluate.mu.html#L876'>cdr</a> env, env-tail-ah, trace
<span id="L672" class="LineNr"> 672 </span> <a href='evaluate.mu.html#L558'>lookup-symbol</a> sym, out, *env-tail-ah, globals, trace, <a href='../500fake-screen.mu.html#L25'>screen-cell</a>, keyboard-cell
<span id="L673" class="LineNr"> 673 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L674" class="Folded"> 674 </span><span class="Folded">+-- 15 lines: # trace "=> " out " (recurse)" --------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L689" class="LineNr"> 689 </span><span class="Delimiter">}</span>
<span id="L690" class="LineNr"> 690 </span>
<span id="L691" class="LineNr"> 691 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L691'>test-lookup-symbol-in-env</a></span> <span class="Delimiter">{</span>
<span id="L692" class="LineNr"> 692 </span> <span class="muComment"># tmp = (a . 3)</span>
<span id="L693" class="LineNr"> 693 </span> <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L694" class="LineNr"> 694 </span> <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address val-storage
<span id="L695" class="LineNr"> 695 </span> <a href='cell.mu.html#L69'>new-integer</a> val-ah, <span class="Constant">3</span>
<span id="L696" class="LineNr"> 696 </span> <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L697" class="LineNr"> 697 </span> <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address key-storage
<span id="L698" class="LineNr"> 698 </span> <a href='cell.mu.html#L38'>new-symbol</a> key-ah, <span class="Constant">"a"</span>
<span id="L699" class="LineNr"> 699 </span> <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L700" class="LineNr"> 700 </span> <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-storage
<span id="L701" class="LineNr"> 701 </span> <a href='cell.mu.html#L101'>new-pair</a> env-ah, *key-ah, *val-ah
<span id="L702" class="LineNr"> 702 </span> <span class="muComment"># env = ((a . 3))</span>
<span id="L703" class="LineNr"> 703 </span> <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L704" class="LineNr"> 704 </span> <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address nil-storage
<span id="L705" class="LineNr"> 705 </span> <a href='cell.mu.html#L87'>allocate-pair</a> nil-ah
<span id="L706" class="LineNr"> 706 </span> <a href='cell.mu.html#L101'>new-pair</a> env-ah, *env-ah, *nil-ah
<span id="L707" class="LineNr"> 707 </span> <span class="muComment"># lookup sym(a) in env tmp</span>
<span id="L708" class="LineNr"> 708 </span> <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L709" class="LineNr"> 709 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp-storage
<span id="L710" class="LineNr"> 710 </span> <a href='cell.mu.html#L38'>new-symbol</a> tmp-ah, <span class="Constant">"a"</span>
<span id="L711" class="LineNr"> 711 </span> <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L712" class="LineNr"> 712 </span> <a href='evaluate.mu.html#L558'>lookup-symbol</a> in, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
<span id="L713" class="LineNr"> 713 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L714" class="LineNr"> 714 </span> <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special"><-</span> get result, <span class="PreProc">type</span>
<span id="L715" class="LineNr"> 715 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">"F - <a href='evaluate.mu.html#L691'>test-lookup-symbol-in-env</a>/0"</span>
<span id="L716" class="LineNr"> 716 </span> <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special"><-</span> get result, number-data
<span id="L717" class="LineNr"> 717 </span> <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special"><-</span> convert *result-value-addr
<span id="L718" class="LineNr"> 718 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">"F - <a href='evaluate.mu.html#L691'>test-lookup-symbol-in-env</a>/1"</span>
<span id="L719" class="LineNr"> 719 </span><span class="Delimiter">}</span>
<span id="L720" class="LineNr"> 720 </span>
<span id="L721" class="LineNr"> 721 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L721'>test-lookup-symbol-in-globals</a></span> <span class="Delimiter">{</span>
<span id="L722" class="LineNr"> 722 </span> <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L6'>global-table</a>
<span id="L723" class="LineNr"> 723 </span> <span class="PreProc">var</span> globals/<span class="Constant">edi</span>: (addr <a href='global.mu.html#L6'>global-table</a>) <span class="Special"><-</span> address globals-storage
<span id="L724" class="LineNr"> 724 </span> <a href='global.mu.html#L11'>initialize-globals</a> globals
<span id="L725" class="LineNr"> 725 </span> <span class="muComment"># env = nil</span>
<span id="L726" class="LineNr"> 726 </span> <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L727" class="LineNr"> 727 </span> <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address nil-storage
<span id="L728" class="LineNr"> 728 </span> <a href='cell.mu.html#L87'>allocate-pair</a> nil-ah
<span id="L729" class="LineNr"> 729 </span> <span class="muComment"># lookup sym(a), env</span>
<span id="L730" class="LineNr"> 730 </span> <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L731" class="LineNr"> 731 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp-storage
<span id="L732" class="LineNr"> 732 </span> <a href='cell.mu.html#L38'>new-symbol</a> tmp-ah, <span class="Constant">"+"</span>
<span id="L733" class="LineNr"> 733 </span> <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L734" class="LineNr"> 734 </span> <a href='evaluate.mu.html#L558'>lookup-symbol</a> in, tmp-ah, *nil-ah, globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard
<span id="L735" class="LineNr"> 735 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L736" class="LineNr"> 736 </span> <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special"><-</span> get result, <span class="PreProc">type</span>
<span id="L737" class="LineNr"> 737 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">"F - <a href='evaluate.mu.html#L721'>test-lookup-symbol-in-globals</a>/0"</span>
<span id="L738" class="LineNr"> 738 </span> <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get result, index-data
<span id="L739" class="LineNr"> 739 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">2</span>/add, <span class="Constant">"F - <a href='evaluate.mu.html#L721'>test-lookup-symbol-in-globals</a>/1"</span>
<span id="L740" class="LineNr"> 740 </span><span class="Delimiter">}</span>
<span id="L741" class="LineNr"> 741 </span>
<span id="L742" class="LineNr"> 742 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L742'>mutate-binding</a></span> name: (addr stream byte), val: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), globals: (addr <a href='global.mu.html#L6'>global-table</a>), trace: (addr trace) <span class="Delimiter">{</span>
<span id="L743" class="LineNr"> 743 </span> <span class="muComment"># trace name</span>
<span id="L744" class="LineNr"> 744 </span> <span class="Delimiter">{</span>
<span id="L745" class="LineNr"> 745 </span> compare trace, <span class="Constant">0</span>
<span id="L746" class="LineNr"> 746 </span> <span class="PreProc">break-if-=</span>
<span id="L747" class="LineNr"> 747 </span> <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x800</span>) <span class="muComment"># pessimistically sized just for the large alist loaded from disk in `main`</span>
<span id="L748" class="LineNr"> 748 </span> <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special"><-</span> address stream-storage
<span id="L749" class="LineNr"> 749 </span> <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">"bind "</span>
<span id="L750" class="LineNr"> 750 </span> <a href='../106stream.subx.html#L59'>rewind-stream</a> name
<span id="L751" class="LineNr"> 751 </span> <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, name
<span id="L752" class="LineNr"> 752 </span> <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">" to "</span>
<span id="L753" class="LineNr"> 753 </span> <a href='print.mu.html#L1'>print-cell</a> val, stream, <span class="Constant">0</span>/no-trace
<span id="L754" class="LineNr"> 754 </span> <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">" in "</span>
<span id="L755" class="LineNr"> 755 </span> <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-h
<span id="L756" class="LineNr"> 756 </span> <a href='print.mu.html#L1'>print-cell</a> env-ah, stream, <span class="Constant">0</span>/no-trace
<span id="L757" class="LineNr"> 757 </span> trace trace, <span class="Constant">"eval"</span>, stream
<span id="L758" class="LineNr"> 758 </span> <span class="Delimiter">}</span>
<span id="L759" class="LineNr"> 759 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L760" class="LineNr"> 760 </span> <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> env-h
<span id="L761" class="LineNr"> 761 </span> <span class="PreProc">var</span> env/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _env
<span id="L762" class="LineNr"> 762 </span> <span class="muComment"># if env is not a list, abort</span>
<span id="L763" class="LineNr"> 763 </span> <span class="Delimiter">{</span>
<span id="L764" class="LineNr"> 764 </span> <span class="PreProc">var</span> env-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get env, <span class="PreProc">type</span>
<span id="L765" class="LineNr"> 765 </span> compare *env-type, <span class="Constant">0</span>/pair
<span id="L766" class="LineNr"> 766 </span> <span class="PreProc">break-if-=</span>
<span id="L767" class="LineNr"> 767 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"eval found a non-list environment"</span>
<span id="L768" class="LineNr"> 768 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L769" class="LineNr"> 769 </span> <span class="PreProc">return</span>
<span id="L770" class="LineNr"> 770 </span> <span class="Delimiter">}</span>
<span id="L771" class="LineNr"> 771 </span> <span class="muComment"># if env is nil, look in globals</span>
<span id="L772" class="LineNr"> 772 </span> <span class="Delimiter">{</span>
<span id="L773" class="LineNr"> 773 </span> <span class="PreProc">var</span> env-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> env
<span id="L774" class="LineNr"> 774 </span> compare env-nil?, <span class="Constant">0</span>/false
<span id="L775" class="LineNr"> 775 </span> <span class="PreProc">break-if-=</span>
<span id="L776" class="LineNr"> 776 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"b"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L777" class="LineNr"> 777 </span> <a href='global.mu.html#L415'>mutate-binding-in-globals</a> name, val, globals, trace
<span id="L778" class="LineNr"> 778 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"x"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L779" class="LineNr"> 779 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L780" class="Folded"> 780 </span><span class="Folded">+-- 15 lines: # trace "=> " val " (global)" ---------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L795" class="LineNr"> 795 </span> <a href='../315stack-debug.subx.html#L56'>debug-print</a> <span class="Constant">"y"</span>, <span class="Constant">3</span>/fg, <span class="Constant">0</span>/bg
<span id="L796" class="LineNr"> 796 </span> <span class="PreProc">return</span>
<span id="L797" class="LineNr"> 797 </span> <span class="Delimiter">}</span>
<span id="L798" class="LineNr"> 798 </span> <span class="muComment"># check car</span>
<span id="L799" class="LineNr"> 799 </span> <span class="PreProc">var</span> env-head-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L800" class="LineNr"> 800 </span> <span class="PreProc">var</span> env-head-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-head-storage
<span id="L801" class="LineNr"> 801 </span> <a href='evaluate.mu.html#L848'>car</a> env, env-head-ah, <span class="Constant">0</span>/no-trace
<span id="L802" class="LineNr"> 802 </span> <span class="PreProc">var</span> _env-head/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *env-head-ah
<span id="L803" class="LineNr"> 803 </span> <span class="PreProc">var</span> env-head/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _env-head
<span id="L804" class="LineNr"> 804 </span> <span class="muComment"># if car is not a list, abort</span>
<span id="L805" class="LineNr"> 805 </span> <span class="Delimiter">{</span>
<span id="L806" class="LineNr"> 806 </span> <span class="PreProc">var</span> env-head-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get env-head, <span class="PreProc">type</span>
<span id="L807" class="LineNr"> 807 </span> compare *env-head-type, <span class="Constant">0</span>/pair
<span id="L808" class="LineNr"> 808 </span> <span class="PreProc">break-if-=</span>
<span id="L809" class="LineNr"> 809 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"environment is not a list of (key . value) pairs"</span>
<span id="L810" class="LineNr"> 810 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L811" class="LineNr"> 811 </span> <span class="PreProc">return</span>
<span id="L812" class="LineNr"> 812 </span> <span class="Delimiter">}</span>
<span id="L813" class="LineNr"> 813 </span> <span class="muComment"># check key</span>
<span id="L814" class="LineNr"> 814 </span> <span class="PreProc">var</span> curr-key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L815" class="LineNr"> 815 </span> <span class="PreProc">var</span> curr-key-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address curr-key-storage
<span id="L816" class="LineNr"> 816 </span> <a href='evaluate.mu.html#L848'>car</a> env-head, curr-key-ah, trace
<span id="L817" class="LineNr"> 817 </span> <span class="PreProc">var</span> curr-key/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *curr-key-ah
<span id="L818" class="LineNr"> 818 </span> <span class="muComment"># if key is not a symbol, abort</span>
<span id="L819" class="LineNr"> 819 </span> <span class="Delimiter">{</span>
<span id="L820" class="LineNr"> 820 </span> <span class="PreProc">var</span> curr-key-type/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get curr-key, <span class="PreProc">type</span>
<span id="L821" class="LineNr"> 821 </span> compare *curr-key-type, <span class="Constant">2</span>/symbol
<span id="L822" class="LineNr"> 822 </span> <span class="PreProc">break-if-=</span>
<span id="L823" class="LineNr"> 823 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"environment contains a binding for a non-symbol"</span>
<span id="L824" class="LineNr"> 824 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L825" class="LineNr"> 825 </span> <span class="PreProc">return</span>
<span id="L826" class="LineNr"> 826 </span> <span class="Delimiter">}</span>
<span id="L827" class="LineNr"> 827 </span> <span class="muComment"># if key matches name, return val</span>
<span id="L828" class="LineNr"> 828 </span> <span class="PreProc">var</span> curr-key-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get curr-key, text-data
<span id="L829" class="LineNr"> 829 </span> <span class="PreProc">var</span> curr-key-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *curr-key-data-ah
<span id="L830" class="LineNr"> 830 </span> <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../309stream.subx.html#L217'>streams-data-equal?</a> curr-key-data, name
<span id="L831" class="LineNr"> 831 </span> compare match?, <span class="Constant">0</span>/false
<span id="L832" class="LineNr"> 832 </span> <span class="Delimiter">{</span>
<span id="L833" class="LineNr"> 833 </span> <span class="PreProc">break-if-=</span>
<span id="L834" class="LineNr"> 834 </span> <span class="PreProc">var</span> dest/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get env-head, right
<span id="L835" class="LineNr"> 835 </span> copy-object val, dest
<span id="L836" class="LineNr"> 836 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> done"</span>
<span id="L837" class="LineNr"> 837 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L838" class="LineNr"> 838 </span> <span class="PreProc">return</span>
<span id="L839" class="LineNr"> 839 </span> <span class="Delimiter">}</span>
<span id="L840" class="LineNr"> 840 </span> <span class="muComment"># otherwise recurse</span>
<span id="L841" class="LineNr"> 841 </span> <span class="PreProc">var</span> env-tail-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L842" class="LineNr"> 842 </span> <span class="PreProc">var</span> env-tail-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-tail-storage
<span id="L843" class="LineNr"> 843 </span> <a href='evaluate.mu.html#L876'>cdr</a> env, env-tail-ah, trace
<span id="L844" class="LineNr"> 844 </span> <a href='evaluate.mu.html#L742'>mutate-binding</a> name, val, *env-tail-ah, globals, trace
<span id="L845" class="LineNr"> 845 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L846" class="LineNr"> 846 </span><span class="Delimiter">}</span>
<span id="L847" class="LineNr"> 847 </span>
<span id="L848" class="LineNr"> 848 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L848'>car</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
<span id="L849" class="LineNr"> 849 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"car"</span>
<span id="L850" class="LineNr"> 850 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L851" class="LineNr"> 851 </span> <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _in
<span id="L852" class="LineNr"> 852 </span> <span class="muComment"># if in is not a list, abort</span>
<span id="L853" class="LineNr"> 853 </span> <span class="Delimiter">{</span>
<span id="L854" class="LineNr"> 854 </span> <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get in, <span class="PreProc">type</span>
<span id="L855" class="LineNr"> 855 </span> compare *in-type, <span class="Constant">0</span>/pair
<span id="L856" class="LineNr"> 856 </span> <span class="PreProc">break-if-=</span>
<span id="L857" class="LineNr"> 857 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"car on a non-list"</span>
<span id="L858" class="LineNr"> 858 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L859" class="LineNr"> 859 </span> <span class="PreProc">return</span>
<span id="L860" class="LineNr"> 860 </span> <span class="Delimiter">}</span>
<span id="L861" class="LineNr"> 861 </span> <span class="muComment"># if in is nil, abort</span>
<span id="L862" class="LineNr"> 862 </span> <span class="Delimiter">{</span>
<span id="L863" class="LineNr"> 863 </span> <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> in
<span id="L864" class="LineNr"> 864 </span> compare in-nil?, <span class="Constant">0</span>/false
<span id="L865" class="LineNr"> 865 </span> <span class="PreProc">break-if-=</span>
<span id="L866" class="LineNr"> 866 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"car on nil"</span>
<span id="L867" class="LineNr"> 867 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L868" class="LineNr"> 868 </span> <span class="PreProc">return</span>
<span id="L869" class="LineNr"> 869 </span> <span class="Delimiter">}</span>
<span id="L870" class="LineNr"> 870 </span> <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in, left
<span id="L871" class="LineNr"> 871 </span> copy-object in-left, out
<span id="L872" class="LineNr"> 872 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L873" class="LineNr"> 873 </span> <span class="PreProc">return</span>
<span id="L874" class="LineNr"> 874 </span><span class="Delimiter">}</span>
<span id="L875" class="LineNr"> 875 </span>
<span id="L876" class="LineNr"> 876 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L876'>cdr</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
<span id="L877" class="LineNr"> 877 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"cdr"</span>
<span id="L878" class="LineNr"> 878 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L879" class="LineNr"> 879 </span> <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _in
<span id="L880" class="LineNr"> 880 </span> <span class="muComment"># if in is not a list, abort</span>
<span id="L881" class="LineNr"> 881 </span> <span class="Delimiter">{</span>
<span id="L882" class="LineNr"> 882 </span> <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get in, <span class="PreProc">type</span>
<span id="L883" class="LineNr"> 883 </span> compare *in-type, <span class="Constant">0</span>/pair
<span id="L884" class="LineNr"> 884 </span> <span class="PreProc">break-if-=</span>
<span id="L885" class="LineNr"> 885 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"car on a non-list"</span>
<span id="L886" class="LineNr"> 886 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L887" class="LineNr"> 887 </span> <span class="PreProc">return</span>
<span id="L888" class="LineNr"> 888 </span> <span class="Delimiter">}</span>
<span id="L889" class="LineNr"> 889 </span> <span class="muComment"># if in is nil, abort</span>
<span id="L890" class="LineNr"> 890 </span> <span class="Delimiter">{</span>
<span id="L891" class="LineNr"> 891 </span> <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> in
<span id="L892" class="LineNr"> 892 </span> compare in-nil?, <span class="Constant">0</span>/false
<span id="L893" class="LineNr"> 893 </span> <span class="PreProc">break-if-=</span>
<span id="L894" class="LineNr"> 894 </span> <span class="Special"><a href='trace.mu.html#L129'>error</a></span> trace, <span class="Constant">"car on nil"</span>
<span id="L895" class="LineNr"> 895 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L896" class="LineNr"> 896 </span> <span class="PreProc">return</span>
<span id="L897" class="LineNr"> 897 </span> <span class="Delimiter">}</span>
<span id="L898" class="LineNr"> 898 </span> <span class="PreProc">var</span> in-right/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> get in, right
<span id="L899" class="LineNr"> 899 </span> copy-object in-right, out
<span id="L900" class="LineNr"> 900 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L901" class="LineNr"> 901 </span> <span class="PreProc">return</span>
<span id="L902" class="LineNr"> 902 </span><span class="Delimiter">}</span>
<span id="L903" class="LineNr"> 903 </span>
<span id="L904" class="LineNr"> 904 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L904'>cell-isomorphic?</a></span> _a: (addr <a href='cell.mu.html#L1'>cell</a>), _b: (addr <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L905" class="LineNr"> 905 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"cell-isomorphic?"</span>
<span id="L906" class="LineNr"> 906 </span> <a href='trace.mu.html#L147'>trace-lower</a> trace
<span id="L907" class="LineNr"> 907 </span> <span class="PreProc">var</span> a/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _a
<span id="L908" class="LineNr"> 908 </span> <span class="PreProc">var</span> b/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _b
<span id="L909" class="LineNr"> 909 </span> <span class="muComment"># if types don't match, return false</span>
<span id="L910" class="LineNr"> 910 </span> <span class="PreProc">var</span> a-type-addr/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get a, <span class="PreProc">type</span>
<span id="L911" class="LineNr"> 911 </span> <span class="PreProc">var</span> b-type-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special"><-</span> get b, <span class="PreProc">type</span>
<span id="L912" class="LineNr"> 912 </span> <span class="PreProc">var</span> b-type/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy *b-type-addr
<span id="L913" class="LineNr"> 913 </span> compare b-type, *a-type-addr
<span id="L914" class="LineNr"> 914 </span> <span class="Delimiter">{</span>
<span id="L915" class="LineNr"> 915 </span> <span class="PreProc">break-if-=</span>
<span id="L916" class="LineNr"> 916 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L917" class="LineNr"> 917 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> false (type)"</span>
<span id="L918" class="LineNr"> 918 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L919" class="LineNr"> 919 </span> <span class="Delimiter">}</span>
<span id="L920" class="LineNr"> 920 </span> <span class="muComment"># if types are number, compare number-data</span>
<span id="L921" class="LineNr"> 921 </span> <span class="muComment"># TODO: exactly comparing floats is a bad idea</span>
<span id="L922" class="LineNr"> 922 </span> compare b-type, <span class="Constant">1</span>/number
<span id="L923" class="LineNr"> 923 </span> <span class="Delimiter">{</span>
<span id="L924" class="LineNr"> 924 </span> <span class="PreProc">break-if-!=</span>
<span id="L925" class="LineNr"> 925 </span> <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr float) <span class="Special"><-</span> get a, number-data
<span id="L926" class="LineNr"> 926 </span> <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr float) <span class="Special"><-</span> get b, number-data
<span id="L927" class="LineNr"> 927 </span> <span class="PreProc">var</span> a-val/<span class="Constant">xmm0</span>: float <span class="Special"><-</span> copy *a-val-addr
<span id="L928" class="LineNr"> 928 </span> compare a-val, *b-val-addr
<span id="L929" class="LineNr"> 929 </span> <span class="Delimiter">{</span>
<span id="L930" class="LineNr"> 930 </span> <span class="PreProc">break-if-=</span>
<span id="L931" class="LineNr"> 931 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L932" class="LineNr"> 932 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> false (numbers)"</span>
<span id="L933" class="LineNr"> 933 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L934" class="LineNr"> 934 </span> <span class="Delimiter">}</span>
<span id="L935" class="LineNr"> 935 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L936" class="LineNr"> 936 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> true (numbers)"</span>
<span id="L937" class="LineNr"> 937 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true
<span id="L938" class="LineNr"> 938 </span> <span class="Delimiter">}</span>
<span id="L939" class="LineNr"> 939 </span> compare b-type, <span class="Constant">2</span>/symbol
<span id="L940" class="LineNr"> 940 </span> <span class="Delimiter">{</span>
<span id="L941" class="LineNr"> 941 </span> <span class="PreProc">break-if-!=</span>
<span id="L942" class="LineNr"> 942 </span> <span class="PreProc">var</span> b-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get b, text-data
<span id="L943" class="LineNr"> 943 </span> <span class="PreProc">var</span> _b-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *b-val-ah
<span id="L944" class="LineNr"> 944 </span> <span class="PreProc">var</span> b-val/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special"><-</span> copy _b-val
<span id="L945" class="LineNr"> 945 </span> <span class="PreProc">var</span> a-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get a, text-data
<span id="L946" class="LineNr"> 946 </span> <span class="PreProc">var</span> a-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *a-val-ah
<span id="L947" class="LineNr"> 947 </span> <span class="PreProc">var</span> tmp-array: (handle array byte)
<span id="L948" class="LineNr"> 948 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="Special"><-</span> address tmp-array
<span id="L949" class="LineNr"> 949 </span> <a href='../106stream.subx.html#L59'>rewind-stream</a> a-val
<span id="L950" class="LineNr"> 950 </span> <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> a-val, tmp-ah
<span id="L951" class="LineNr"> 951 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr array byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L952" class="LineNr"> 952 </span> <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> b-val, tmp
<span id="L953" class="LineNr"> 953 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L954" class="LineNr"> 954 </span> <span class="Delimiter">{</span>
<span id="L955" class="LineNr"> 955 </span> compare match?, <span class="Constant">0</span>/false
<span id="L956" class="LineNr"> 956 </span> <span class="PreProc">break-if-=</span>
<span id="L957" class="LineNr"> 957 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> true (symbols)"</span>
<span id="L958" class="LineNr"> 958 </span> <span class="Delimiter">}</span>
<span id="L959" class="LineNr"> 959 </span> <span class="Delimiter">{</span>
<span id="L960" class="LineNr"> 960 </span> compare match?, <span class="Constant">0</span>/false
<span id="L961" class="LineNr"> 961 </span> <span class="PreProc">break-if-!=</span>
<span id="L962" class="LineNr"> 962 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> false (symbols)"</span>
<span id="L963" class="LineNr"> 963 </span> <span class="Delimiter">}</span>
<span id="L964" class="LineNr"> 964 </span> <span class="PreProc">return</span> match?
<span id="L965" class="LineNr"> 965 </span> <span class="Delimiter">}</span>
<span id="L966" class="LineNr"> 966 </span> <span class="muComment"># if a is nil, b should be nil</span>
<span id="L967" class="LineNr"> 967 </span> <span class="Delimiter">{</span>
<span id="L968" class="LineNr"> 968 </span> <span class="muComment"># (assumes nil? returns 0 or 1)</span>
<span id="L969" class="LineNr"> 969 </span> <span class="PreProc">var</span> _b-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> b
<span id="L970" class="LineNr"> 970 </span> <span class="PreProc">var</span> b-nil?/<span class="Constant">ecx</span>: boolean <span class="Special"><-</span> copy _b-nil?
<span id="L971" class="LineNr"> 971 </span> <span class="PreProc">var</span> a-nil?/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='print.mu.html#L194'>nil?</a> a
<span id="L972" class="LineNr"> 972 </span> <span class="muComment"># a == nil and b == nil => return true</span>
<span id="L973" class="LineNr"> 973 </span> <span class="Delimiter">{</span>
<span id="L974" class="LineNr"> 974 </span> compare a-nil?, <span class="Constant">0</span>/false
<span id="L975" class="LineNr"> 975 </span> <span class="PreProc">break-if-=</span>
<span id="L976" class="LineNr"> 976 </span> compare b-nil?, <span class="Constant">0</span>/false
<span id="L977" class="LineNr"> 977 </span> <span class="PreProc">break-if-=</span>
<span id="L978" class="LineNr"> 978 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L979" class="LineNr"> 979 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> true (nils)"</span>
<span id="L980" class="LineNr"> 980 </span> <span class="PreProc">return</span> <span class="Constant">1</span>/true
<span id="L981" class="LineNr"> 981 </span> <span class="Delimiter">}</span>
<span id="L982" class="LineNr"> 982 </span> <span class="muComment"># a == nil => return false</span>
<span id="L983" class="LineNr"> 983 </span> <span class="Delimiter">{</span>
<span id="L984" class="LineNr"> 984 </span> compare a-nil?, <span class="Constant">0</span>/false
<span id="L985" class="LineNr"> 985 </span> <span class="PreProc">break-if-=</span>
<span id="L986" class="LineNr"> 986 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L987" class="LineNr"> 987 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> false (b != <a href='cell.mu.html#L106'>nil</a>)"</span>
<span id="L988" class="LineNr"> 988 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L989" class="LineNr"> 989 </span> <span class="Delimiter">}</span>
<span id="L990" class="LineNr"> 990 </span> <span class="muComment"># b == nil => return false</span>
<span id="L991" class="LineNr"> 991 </span> <span class="Delimiter">{</span>
<span id="L992" class="LineNr"> 992 </span> compare b-nil?, <span class="Constant">0</span>/false
<span id="L993" class="LineNr"> 993 </span> <span class="PreProc">break-if-=</span>
<span id="L994" class="LineNr"> 994 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L995" class="LineNr"> 995 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> false (a != <a href='cell.mu.html#L106'>nil</a>)"</span>
<span id="L996" class="LineNr"> 996 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L997" class="LineNr"> 997 </span> <span class="Delimiter">}</span>
<span id="L998" class="LineNr"> 998 </span> <span class="Delimiter">}</span>
<span id="L999" class="LineNr"> 999 </span> <span class="muComment"># a and b are pairs</span>
<span id="L1000" class="LineNr">1000 </span> <span class="PreProc">var</span> a-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1001" class="LineNr">1001 </span> <span class="PreProc">var</span> a-tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address a-tmp-storage
<span id="L1002" class="LineNr">1002 </span> <span class="PreProc">var</span> b-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1003" class="LineNr">1003 </span> <span class="PreProc">var</span> b-tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address b-tmp-storage
<span id="L1004" class="LineNr">1004 </span> <span class="muComment"># if cars aren't equal, return false</span>
<span id="L1005" class="LineNr">1005 </span> <a href='evaluate.mu.html#L848'>car</a> a, a-tmp-ah, trace
<span id="L1006" class="LineNr">1006 </span> <a href='evaluate.mu.html#L848'>car</a> b, b-tmp-ah, trace
<span id="L1007" class="LineNr">1007 </span> <span class="Delimiter">{</span>
<span id="L1008" class="LineNr">1008 </span> <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *a-tmp-ah
<span id="L1009" class="LineNr">1009 </span> <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _a-tmp
<span id="L1010" class="LineNr">1010 </span> <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *b-tmp-ah
<span id="L1011" class="LineNr">1011 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='evaluate.mu.html#L904'>cell-isomorphic?</a> a-tmp, b-tmp, trace
<span id="L1012" class="LineNr">1012 </span> compare result, <span class="Constant">0</span>/false
<span id="L1013" class="LineNr">1013 </span> <span class="PreProc">break-if-!=</span>
<span id="L1014" class="LineNr">1014 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L1015" class="LineNr">1015 </span> <a href='trace.mu.html#L120'>trace-text</a> trace, <span class="Constant">"eval"</span>, <span class="Constant">"=> false (<a href='evaluate.mu.html#L848'>car</a> mismatch)"</span>
<span id="L1016" class="LineNr">1016 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L1017" class="LineNr">1017 </span> <span class="Delimiter">}</span>
<span id="L1018" class="LineNr">1018 </span> <span class="muComment"># recurse on cdrs</span>
<span id="L1019" class="LineNr">1019 </span> <a href='evaluate.mu.html#L876'>cdr</a> a, a-tmp-ah, trace
<span id="L1020" class="LineNr">1020 </span> <a href='evaluate.mu.html#L876'>cdr</a> b, b-tmp-ah, trace
<span id="L1021" class="LineNr">1021 </span> <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *a-tmp-ah
<span id="L1022" class="LineNr">1022 </span> <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _a-tmp
<span id="L1023" class="LineNr">1023 </span> <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *b-tmp-ah
<span id="L1024" class="LineNr">1024 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='evaluate.mu.html#L904'>cell-isomorphic?</a> a-tmp, b-tmp, trace
<span id="L1025" class="LineNr">1025 </span> <a href='trace.mu.html#L155'>trace-higher</a> trace
<span id="L1026" class="LineNr">1026 </span> <span class="PreProc">return</span> result
<span id="L1027" class="LineNr">1027 </span><span class="Delimiter">}</span>
<span id="L1028" class="LineNr">1028 </span>
<span id="L1029" class="LineNr">1029 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='evaluate.mu.html#L1029'>fn?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
<span id="L1030" class="LineNr">1030 </span> <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> copy _x
<span id="L1031" class="LineNr">1031 </span> <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get x, <span class="PreProc">type</span>
<span id="L1032" class="LineNr">1032 </span> compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
<span id="L1033" class="LineNr">1033 </span> <span class="Delimiter">{</span>
<span id="L1034" class="LineNr">1034 </span> <span class="PreProc">break-if-=</span>
<span id="L1035" class="LineNr">1035 </span> <span class="PreProc">return</span> <span class="Constant">0</span>/false
<span id="L1036" class="LineNr">1036 </span> <span class="Delimiter">}</span>
<span id="L1037" class="LineNr">1037 </span> <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special"><-</span> get x, text-data
<span id="L1038" class="LineNr">1038 </span> <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *contents-ah
<span id="L1039" class="LineNr">1039 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special"><-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">"fn"</span>
<span id="L1040" class="LineNr">1040 </span> <span class="PreProc">return</span> result
<span id="L1041" class="LineNr">1041 </span><span class="Delimiter">}</span>
<span id="L1042" class="LineNr">1042 </span>
<span id="L1043" class="LineNr">1043 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1043'>test-evaluate-is-well-behaved</a></span> <span class="Delimiter">{</span>
<span id="L1044" class="LineNr">1044 </span> <span class="PreProc">var</span> t-storage: trace
<span id="L1045" class="LineNr">1045 </span> <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special"><-</span> address t-storage
<span id="L1046" class="LineNr">1046 </span> <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0</span>/visible <span class="muComment"># we don't use trace UI</span>
<span id="L1047" class="LineNr">1047 </span> <span class="muComment"># env = nil</span>
<span id="L1048" class="LineNr">1048 </span> <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1049" class="LineNr">1049 </span> <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-storage
<span id="L1050" class="LineNr">1050 </span> <a href='cell.mu.html#L87'>allocate-pair</a> env-ah
<span id="L1051" class="LineNr">1051 </span> <span class="muComment"># eval sym(a), nil env</span>
<span id="L1052" class="LineNr">1052 </span> <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1053" class="LineNr">1053 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp-storage
<span id="L1054" class="LineNr">1054 </span> <a href='cell.mu.html#L38'>new-symbol</a> tmp-ah, <span class="Constant">"a"</span>
<span id="L1055" class="LineNr">1055 </span> <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, t, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
<span id="L1056" class="LineNr">1056 </span> <span class="muComment"># doesn't die</span>
<span id="L1057" class="LineNr">1057 </span> <a href='trace.mu.html#L194'>check-trace-contains</a> t, <span class="Constant">"error"</span>, <span class="Constant">"unbound symbol: a"</span>, <span class="Constant">"F - test-evaluate-is-well-behaved"</span>
<span id="L1058" class="LineNr">1058 </span><span class="Delimiter">}</span>
<span id="L1059" class="LineNr">1059 </span>
<span id="L1060" class="LineNr">1060 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1060'>test-evaluate-number</a></span> <span class="Delimiter">{</span>
<span id="L1061" class="LineNr">1061 </span> <span class="muComment"># env = nil</span>
<span id="L1062" class="LineNr">1062 </span> <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1063" class="LineNr">1063 </span> <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-storage
<span id="L1064" class="LineNr">1064 </span> <a href='cell.mu.html#L87'>allocate-pair</a> env-ah
<span id="L1065" class="LineNr">1065 </span> <span class="muComment"># tmp = 3</span>
<span id="L1066" class="LineNr">1066 </span> <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1067" class="LineNr">1067 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp-storage
<span id="L1068" class="LineNr">1068 </span> <a href='cell.mu.html#L69'>new-integer</a> tmp-ah, <span class="Constant">3</span>
<span id="L1069" class="LineNr">1069 </span> <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
<span id="L1070" class="LineNr">1070 </span> <span class="muComment">#</span>
<span id="L1071" class="LineNr">1071 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L1072" class="LineNr">1072 </span> <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special"><-</span> get result, <span class="PreProc">type</span>
<span id="L1073" class="LineNr">1073 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">"F - <a href='evaluate.mu.html#L1060'>test-evaluate-number</a>/0"</span>
<span id="L1074" class="LineNr">1074 </span> <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special"><-</span> get result, number-data
<span id="L1075" class="LineNr">1075 </span> <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special"><-</span> convert *result-value-addr
<span id="L1076" class="LineNr">1076 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">"F - <a href='evaluate.mu.html#L1060'>test-evaluate-number</a>/1"</span>
<span id="L1077" class="LineNr">1077 </span><span class="Delimiter">}</span>
<span id="L1078" class="LineNr">1078 </span>
<span id="L1079" class="LineNr">1079 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1079'>test-evaluate-symbol</a></span> <span class="Delimiter">{</span>
<span id="L1080" class="LineNr">1080 </span> <span class="muComment"># tmp = (a . 3)</span>
<span id="L1081" class="LineNr">1081 </span> <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1082" class="LineNr">1082 </span> <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address val-storage
<span id="L1083" class="LineNr">1083 </span> <a href='cell.mu.html#L69'>new-integer</a> val-ah, <span class="Constant">3</span>
<span id="L1084" class="LineNr">1084 </span> <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1085" class="LineNr">1085 </span> <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address key-storage
<span id="L1086" class="LineNr">1086 </span> <a href='cell.mu.html#L38'>new-symbol</a> key-ah, <span class="Constant">"a"</span>
<span id="L1087" class="LineNr">1087 </span> <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1088" class="LineNr">1088 </span> <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address env-storage
<span id="L1089" class="LineNr">1089 </span> <a href='cell.mu.html#L101'>new-pair</a> env-ah, *key-ah, *val-ah
<span id="L1090" class="LineNr">1090 </span> <span class="muComment"># env = ((a . 3))</span>
<span id="L1091" class="LineNr">1091 </span> <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1092" class="LineNr">1092 </span> <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address nil-storage
<span id="L1093" class="LineNr">1093 </span> <a href='cell.mu.html#L87'>allocate-pair</a> nil-ah
<span id="L1094" class="LineNr">1094 </span> <a href='cell.mu.html#L101'>new-pair</a> env-ah, *env-ah, *nil-ah
<span id="L1095" class="LineNr">1095 </span> <span class="muComment"># eval sym(a), env</span>
<span id="L1096" class="LineNr">1096 </span> <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1097" class="LineNr">1097 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp-storage
<span id="L1098" class="LineNr">1098 </span> <a href='cell.mu.html#L38'>new-symbol</a> tmp-ah, <span class="Constant">"a"</span>
<span id="L1099" class="LineNr">1099 </span> <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
<span id="L1100" class="LineNr">1100 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L1101" class="LineNr">1101 </span> <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special"><-</span> get result, <span class="PreProc">type</span>
<span id="L1102" class="LineNr">1102 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">"F - <a href='evaluate.mu.html#L1079'>test-evaluate-symbol</a>/0"</span>
<span id="L1103" class="LineNr">1103 </span> <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special"><-</span> get result, number-data
<span id="L1104" class="LineNr">1104 </span> <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special"><-</span> convert *result-value-addr
<span id="L1105" class="LineNr">1105 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">"F - <a href='evaluate.mu.html#L1079'>test-evaluate-symbol</a>/1"</span>
<span id="L1106" class="LineNr">1106 </span><span class="Delimiter">}</span>
<span id="L1107" class="LineNr">1107 </span>
<span id="L1108" class="LineNr">1108 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1108'>test-evaluate-primitive-function</a></span> <span class="Delimiter">{</span>
<span id="L1109" class="LineNr">1109 </span> <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L6'>global-table</a>
<span id="L1110" class="LineNr">1110 </span> <span class="PreProc">var</span> globals/<span class="Constant">edi</span>: (addr <a href='global.mu.html#L6'>global-table</a>) <span class="Special"><-</span> address globals-storage
<span id="L1111" class="LineNr">1111 </span> <a href='global.mu.html#L11'>initialize-globals</a> globals
<span id="L1112" class="LineNr">1112 </span> <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1113" class="LineNr">1113 </span> <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address nil-storage
<span id="L1114" class="LineNr">1114 </span> <a href='cell.mu.html#L87'>allocate-pair</a> nil-ah
<span id="L1115" class="LineNr">1115 </span> <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1116" class="LineNr">1116 </span> <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address add-storage
<span id="L1117" class="LineNr">1117 </span> <a href='cell.mu.html#L38'>new-symbol</a> add-ah, <span class="Constant">"+"</span>
<span id="L1118" class="LineNr">1118 </span> <span class="muComment"># eval +, nil env</span>
<span id="L1119" class="LineNr">1119 </span> <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1120" class="LineNr">1120 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp-storage
<span id="L1121" class="LineNr">1121 </span> <a href='evaluate.mu.html#L5'>evaluate</a> add-ah, tmp-ah, *nil-ah, globals, <span class="Constant">0</span>/no-trace, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
<span id="L1122" class="LineNr">1122 </span> <span class="muComment">#</span>
<span id="L1123" class="LineNr">1123 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L1124" class="LineNr">1124 </span> <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special"><-</span> get result, <span class="PreProc">type</span>
<span id="L1125" class="LineNr">1125 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">"F - <a href='evaluate.mu.html#L1108'>test-evaluate-primitive-function</a>/0"</span>
<span id="L1126" class="LineNr">1126 </span> <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special"><-</span> get result, index-data
<span id="L1127" class="LineNr">1127 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">2</span>/add, <span class="Constant">"F - <a href='evaluate.mu.html#L1108'>test-evaluate-primitive-function</a>/1"</span>
<span id="L1128" class="LineNr">1128 </span><span class="Delimiter">}</span>
<span id="L1129" class="LineNr">1129 </span>
<span id="L1130" class="LineNr">1130 </span><span class="PreProc">fn</span> <span class="muTest"><a href='evaluate.mu.html#L1130'>test-evaluate-primitive-function-call</a></span> <span class="Delimiter">{</span>
<span id="L1131" class="LineNr">1131 </span> <span class="PreProc">var</span> t-storage: trace
<span id="L1132" class="LineNr">1132 </span> <span class="PreProc">var</span> t/<span class="Constant">edi</span>: (addr trace) <span class="Special"><-</span> address t-storage
<span id="L1133" class="LineNr">1133 </span> <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x100</span>, <span class="Constant">0</span>/visible <span class="muComment"># we don't use trace UI</span>
<span id="L1134" class="LineNr">1134 </span> <span class="muComment">#</span>
<span id="L1135" class="LineNr">1135 </span> <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1136" class="LineNr">1136 </span> <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address nil-storage
<span id="L1137" class="LineNr">1137 </span> <a href='cell.mu.html#L87'>allocate-pair</a> nil-ah
<span id="L1138" class="LineNr">1138 </span> <span class="PreProc">var</span> one-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1139" class="LineNr">1139 </span> <span class="PreProc">var</span> one-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address one-storage
<span id="L1140" class="LineNr">1140 </span> <a href='cell.mu.html#L69'>new-integer</a> one-ah, <span class="Constant">1</span>
<span id="L1141" class="LineNr">1141 </span> <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1142" class="LineNr">1142 </span> <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address add-storage
<span id="L1143" class="LineNr">1143 </span> <a href='cell.mu.html#L38'>new-symbol</a> add-ah, <span class="Constant">"+"</span>
<span id="L1144" class="LineNr">1144 </span> <span class="muComment"># input is (+ 1 1)</span>
<span id="L1145" class="LineNr">1145 </span> <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
<span id="L1146" class="LineNr">1146 </span> <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> address tmp-storage
<span id="L1147" class="LineNr">1147 </span> <a href='cell.mu.html#L101'>new-pair</a> tmp-ah, *one-ah, *nil-ah
<span id="L1148" class="LineNr">1148 </span> <a href='cell.mu.html#L101'>new-pair</a> tmp-ah, *one-ah, *tmp-ah
<span id="L1149" class="LineNr">1149 </span> <a href='cell.mu.html#L101'>new-pair</a> tmp-ah, *add-ah, *tmp-ah
<span id="L1150" class="LineNr">1150 </span><span class="CommentedCode">#? dump-cell tmp-ah</span>
<span id="L1151" class="LineNr">1151 </span> <span class="muComment">#</span>
<span id="L1152" class="LineNr">1152 </span> <span class="PreProc">var</span> globals-storage: <a href='global.mu.html#L6'>global-table</a>
<span id="L1153" class="LineNr">1153 </span> <span class="PreProc">var</span> globals/<span class="Constant">edx</span>: (addr <a href='global.mu.html#L6'>global-table</a>) <span class="Special"><-</span> address globals-storage
<span id="L1154" class="LineNr">1154 </span> <a href='global.mu.html#L11'>initialize-globals</a> globals
<span id="L1155" class="LineNr">1155 </span> <span class="muComment">#</span>
<span id="L1156" class="LineNr">1156 </span> <a href='evaluate.mu.html#L5'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, globals, t, <span class="Constant">0</span>/no-screen, <span class="Constant">0</span>/no-keyboard, <span class="Constant">0</span>/call-number
<span id="L1157" class="LineNr">1157 </span><span class="CommentedCode">#? dump-trace t</span>
<span id="L1158" class="LineNr">1158 </span> <span class="muComment">#</span>
<span id="L1159" class="LineNr">1159 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special"><-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
<span id="L1160" class="LineNr">1160 </span> <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special"><-</span> get result, <span class="PreProc">type</span>
<span id="L1161" class="LineNr">1161 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">"F - <a href='evaluate.mu.html#L1130'>test-evaluate-primitive-function-call</a>/0"</span>
<span id="L1162" class="LineNr">1162 </span> <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special"><-</span> get result, number-data
<span id="L1163" class="LineNr">1163 </span> <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special"><-</span> convert *result-value-addr
<span id="L1164" class="LineNr">1164 </span> <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">2</span>, <span class="Constant">"F - <a href='evaluate.mu.html#L1130'>test-evaluate-primitive-function-call</a>/1"</span>
<span id="L1165" class="LineNr">1165 </span><span class="Delimiter">}</span>
</pre>
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