diff options
Diffstat (limited to 'html/apps/tile/rpn.mu.html')
| -rw-r--r-- | html/apps/tile/rpn.mu.html | 387 |
1 files changed, 216 insertions, 171 deletions
diff --git a/html/apps/tile/rpn.mu.html b/html/apps/tile/rpn.mu.html index 39cbea35..d8a4a3e9 100644 --- a/html/apps/tile/rpn.mu.html +++ b/html/apps/tile/rpn.mu.html @@ -20,6 +20,7 @@ a { color:inherit; } .SpecialChar { color: #d70000; } .Delimiter { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } +.muTest { color: #5f8700; } .Constant { color: #008787; } .PreProc { color: #c000c0; } --> @@ -57,7 +58,7 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/master/apps/tile/rpn.mu'>https://github.com/akkartik/mu/blob/master/apps/tile/rpn.mu</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L1'>evaluate</a></span> defs: (addr handle function), bindings: (addr table), scratch: (addr line), end: (addr word), out: (addr value-stack) <span class="Delimiter">{</span> +<span id="L1" class="LineNr"> 1 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L1'>evaluate</a></span> functions: (addr handle function), bindings: (addr table), scratch: (addr line), end: (addr word), out: (addr value-stack) <span class="Delimiter">{</span> <span id="L2" class="LineNr"> 2 </span> <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar"><-</span> copy scratch <span id="L3" class="LineNr"> 3 </span> <span class="PreProc">var</span> word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> line, data <span id="L4" class="LineNr"> 4 </span> <span class="PreProc">var</span> curr/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *word-ah @@ -107,177 +108,221 @@ if ('onhashchange' in window) { <span id="L48" class="LineNr"> 48 </span> push-int-to-value-stack out, a <span id="L49" class="LineNr"> 49 </span> <span class="PreProc">break</span> $evaluate:process-word <span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">}</span> -<span id="L51" class="LineNr"> 51 </span> <span class="muComment"># if curr-stream is a known function name, call it appropriately</span> +<span id="L51" class="LineNr"> 51 </span> <span class="muComment"># if curr-stream defines a binding, save top of stack to bindings</span> <span id="L52" class="LineNr"> 52 </span> <span class="Delimiter">{</span> -<span id="L53" class="LineNr"> 53 </span> <span class="PreProc">var</span> callee-h: (handle function) -<span id="L54" class="LineNr"> 54 </span> <span class="PreProc">var</span> callee-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar"><-</span> address callee-h -<span id="L55" class="LineNr"> 55 </span> <a href='rpn.mu.html#L101'>find-function</a> defs, curr-stream, callee-ah -<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">var</span> callee/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah -<span id="L57" class="LineNr"> 57 </span> compare callee, <span class="Constant">0</span> -<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">break-if-=</span> -<span id="L59" class="LineNr"> 59 </span> <a href='rpn.mu.html#L122'>perform-call</a> callee, out, defs -<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">break</span> $evaluate:process-word -<span id="L61" class="LineNr"> 61 </span> <span class="Delimiter">}</span> -<span id="L62" class="LineNr"> 62 </span> <span class="muComment"># if it's a name, push its value</span> -<span id="L63" class="LineNr"> 63 </span> <span class="Delimiter">{</span> -<span id="L64" class="LineNr"> 64 </span> compare bindings, <span class="Constant">0</span> -<span id="L65" class="LineNr"> 65 </span> <span class="PreProc">break-if-=</span> -<span id="L66" class="LineNr"> 66 </span> <span class="PreProc">var</span> tmp: (handle array byte) -<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">var</span> curr-string-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="SpecialChar"><-</span> address tmp -<span id="L68" class="LineNr"> 68 </span> <a href='../../310copy-bytes.subx.html#L59'>stream-to-string</a> curr-stream, curr-string-ah <span class="muComment"># unfortunate leak</span> -<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">var</span> curr-string/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-string-ah -<span id="L70" class="LineNr"> 70 </span> <span class="PreProc">var</span> val-storage: (handle value) -<span id="L71" class="LineNr"> 71 </span> <span class="PreProc">var</span> val-ah/<span class="Constant">edi</span>: (addr handle value) <span class="SpecialChar"><-</span> address val-storage -<span id="L72" class="LineNr"> 72 </span> lookup-binding bindings, curr-string, val-ah -<span id="L73" class="LineNr"> 73 </span> <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr value) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *val-ah -<span id="L74" class="LineNr"> 74 </span> compare val, <span class="Constant">0</span> -<span id="L75" class="LineNr"> 75 </span> <span class="PreProc">break-if-=</span> -<span id="L76" class="LineNr"> 76 </span><span class="CommentedCode">#? print-string-to-real-screen "value of "</span> -<span id="L77" class="LineNr"> 77 </span><span class="CommentedCode">#? print-string-to-real-screen curr-string</span> -<span id="L78" class="LineNr"> 78 </span><span class="CommentedCode">#? print-string-to-real-screen " is "</span> -<span id="L79" class="LineNr"> 79 </span><span class="CommentedCode">#? print-int32-hex-to-real-screen result</span> -<span id="L80" class="LineNr"> 80 </span><span class="CommentedCode">#? print-string-to-real-screen "\n"</span> -<span id="L81" class="LineNr"> 81 </span> push-value-stack out, val -<span id="L82" class="LineNr"> 82 </span> <span class="PreProc">break</span> $evaluate:process-word -<span id="L83" class="LineNr"> 83 </span> <span class="Delimiter">}</span> -<span id="L84" class="LineNr"> 84 </span> <span class="muComment"># otherwise assume it's a literal int and push it</span> -<span id="L85" class="LineNr"> 85 </span> <span class="Delimiter">{</span> -<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='../../311decimal-int.subx.html#L46'>parse-decimal-int-from-stream</a> curr-stream -<span id="L87" class="LineNr"> 87 </span> push-int-to-value-stack out, n -<span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span> -<span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">}</span> -<span id="L90" class="LineNr"> 90 </span> <span class="muComment"># termination check</span> -<span id="L91" class="LineNr"> 91 </span> compare curr, end -<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">break-if-=</span> -<span id="L93" class="LineNr"> 93 </span> <span class="muComment"># update</span> -<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next -<span id="L95" class="LineNr"> 95 </span> curr <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah -<span id="L96" class="LineNr"> 96 </span> <span class="muComment">#</span> -<span id="L97" class="LineNr"> 97 </span> <span class="PreProc">loop</span> -<span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">}</span> -<span id="L99" class="LineNr"> 99 </span><span class="Delimiter">}</span> -<span id="L100" class="LineNr">100 </span> -<span id="L101" class="LineNr">101 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L101'>find-function</a></span> first: (addr handle function), name: (addr stream byte), out: (addr handle function) <span class="Delimiter">{</span> -<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> curr/<span class="Constant">esi</span>: (addr handle function) <span class="SpecialChar"><-</span> copy first -<span id="L103" class="LineNr">103 </span> $find-function:<span class="PreProc">loop</span>: <span class="Delimiter">{</span> -<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr -<span id="L105" class="LineNr">105 </span> <span class="PreProc">var</span> f/<span class="Constant">ecx</span>: (addr function) <span class="SpecialChar"><-</span> copy _f -<span id="L106" class="LineNr">106 </span> compare f, <span class="Constant">0</span> -<span id="L107" class="LineNr">107 </span> <span class="PreProc">break-if-=</span> -<span id="L108" class="LineNr">108 </span> <span class="PreProc">var</span> curr-name-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> f, name -<span id="L109" class="LineNr">109 </span> <span class="PreProc">var</span> curr-name/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-name-ah -<span id="L110" class="LineNr">110 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='../../109stream-equal.subx.html#L9'>stream-data-equal?</a> name, curr-name -<span id="L111" class="LineNr">111 </span> compare done?, <span class="Constant">0</span> <span class="muComment"># false</span> -<span id="L112" class="LineNr">112 </span> <span class="Delimiter">{</span> -<span id="L113" class="LineNr">113 </span> <span class="PreProc">break-if-=</span> -<span id="L114" class="LineNr">114 </span> <a href='../../120allocate.subx.html#L489'>copy-handle</a> *curr, out -<span id="L115" class="LineNr">115 </span> <span class="PreProc">break</span> $find-function:<span class="PreProc">loop</span> -<span id="L116" class="LineNr">116 </span> <span class="Delimiter">}</span> -<span id="L117" class="LineNr">117 </span> curr <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> f, next -<span id="L118" class="LineNr">118 </span> <span class="PreProc">loop</span> -<span id="L119" class="LineNr">119 </span> <span class="Delimiter">}</span> -<span id="L120" class="LineNr">120 </span><span class="Delimiter">}</span> -<span id="L121" class="LineNr">121 </span> -<span id="L122" class="LineNr">122 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L122'>perform-call</a></span> _callee: (addr function), caller-stack: (addr value-stack), defs: (addr handle function) <span class="Delimiter">{</span> -<span id="L123" class="LineNr">123 </span> <span class="PreProc">var</span> callee/<span class="Constant">ecx</span>: (addr function) <span class="SpecialChar"><-</span> copy _callee -<span id="L124" class="LineNr">124 </span> <span class="muComment"># create bindings for args</span> -<span id="L125" class="LineNr">125 </span> <span class="PreProc">var</span> table-storage: table -<span id="L126" class="LineNr">126 </span> <span class="PreProc">var</span> table/<span class="Constant">esi</span>: (addr table) <span class="SpecialChar"><-</span> address table-storage -<span id="L127" class="LineNr">127 </span> initialize-table table, <span class="Constant">0x10</span> -<span id="L128" class="LineNr">128 </span> <a href='rpn.mu.html#L144'>bind-args</a> callee, caller-stack, table -<span id="L129" class="LineNr">129 </span> <span class="muComment"># obtain body</span> -<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> callee, body -<span id="L131" class="LineNr">131 </span> <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah -<span id="L132" class="LineNr">132 </span> <span class="muComment"># perform call</span> -<span id="L133" class="LineNr">133 </span> <span class="PreProc">var</span> stack-storage: value-stack -<span id="L134" class="LineNr">134 </span> <span class="PreProc">var</span> stack/<span class="Constant">edi</span>: (addr value-stack) <span class="SpecialChar"><-</span> address stack-storage -<span id="L135" class="LineNr">135 </span> initialize-value-stack stack, <span class="Constant">0x10</span> -<span id="L136" class="LineNr">136 </span><span class="CommentedCode">#? print-string-to-real-screen "about to enter recursive eval\n"</span> -<span id="L137" class="LineNr">137 </span> <a href='rpn.mu.html#L1'>evaluate</a> defs, table, body, <span class="Constant">0</span>, stack -<span id="L138" class="LineNr">138 </span><span class="CommentedCode">#? print-string-to-real-screen "exited recursive eval\n"</span> -<span id="L139" class="LineNr">139 </span> <span class="muComment"># stitch result from stack into caller</span> -<span id="L140" class="LineNr">140 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> pop-int-from-value-stack stack -<span id="L141" class="LineNr">141 </span> push-int-to-value-stack caller-stack, result -<span id="L142" class="LineNr">142 </span><span class="Delimiter">}</span> -<span id="L143" class="LineNr">143 </span> -<span id="L144" class="LineNr">144 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L144'>bind-args</a></span> _callee: (addr function), caller-stack: (addr value-stack), table: (addr table) <span class="Delimiter">{</span> -<span id="L145" class="LineNr">145 </span> <span class="PreProc">var</span> callee/<span class="Constant">ecx</span>: (addr function) <span class="SpecialChar"><-</span> copy _callee -<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> curr-arg-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> callee, args -<span id="L147" class="LineNr">147 </span> <span class="PreProc">var</span> curr-arg/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-arg-ah -<span id="L148" class="LineNr">148 </span> <span class="muComment">#</span> -<span id="L149" class="LineNr">149 </span> <span class="PreProc">var</span> curr-key-storage: (handle array byte) -<span id="L150" class="LineNr">150 </span> <span class="PreProc">var</span> curr-key/<span class="Constant">edx</span>: (addr handle array byte) <span class="SpecialChar"><-</span> address curr-key-storage -<span id="L151" class="LineNr">151 </span> <span class="Delimiter">{</span> -<span id="L152" class="LineNr">152 </span> compare curr-arg, <span class="Constant">0</span> -<span id="L153" class="LineNr">153 </span> <span class="PreProc">break-if-=</span> -<span id="L154" class="LineNr">154 </span> <span class="muComment"># create binding</span> -<span id="L155" class="LineNr">155 </span> word-to-string curr-arg, curr-key -<span id="L156" class="LineNr">156 </span> <span class="Delimiter">{</span> -<span id="L157" class="LineNr">157 </span><span class="CommentedCode">#? var tmp/eax: (addr array byte) <- lookup *curr-key</span> -<span id="L158" class="LineNr">158 </span><span class="CommentedCode">#? print-string-to-real-screen "binding "</span> -<span id="L159" class="LineNr">159 </span><span class="CommentedCode">#? print-string-to-real-screen tmp</span> -<span id="L160" class="LineNr">160 </span><span class="CommentedCode">#? print-string-to-real-screen " to "</span> -<span id="L161" class="LineNr">161 </span> <span class="PreProc">var</span> curr-val/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> pop-int-from-value-stack caller-stack -<span id="L162" class="LineNr">162 </span><span class="CommentedCode">#? print-int32-decimal-to-real-screen curr-val</span> -<span id="L163" class="LineNr">163 </span><span class="CommentedCode">#? print-string-to-real-screen "\n"</span> -<span id="L164" class="LineNr">164 </span> bind-int-in-table table, curr-key, curr-val -<span id="L165" class="LineNr">165 </span> <span class="Delimiter">}</span> -<span id="L166" class="LineNr">166 </span> <span class="muComment">#</span> -<span id="L167" class="LineNr">167 </span> <span class="PreProc">var</span> next-arg-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> curr-arg, next -<span id="L168" class="LineNr">168 </span> curr-arg <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-arg-ah -<span id="L169" class="LineNr">169 </span> <span class="PreProc">loop</span> -<span id="L170" class="LineNr">170 </span> <span class="Delimiter">}</span> -<span id="L171" class="LineNr">171 </span><span class="Delimiter">}</span> -<span id="L172" class="LineNr">172 </span> -<span id="L173" class="LineNr">173 </span><span class="muComment"># Copy of 'simplify' that just tracks the maximum stack depth needed</span> -<span id="L174" class="LineNr">174 </span><span class="muComment"># Doesn't actually need to simulate the stack, since every word has a predictable effect.</span> -<span id="L175" class="LineNr">175 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L175'>max-stack-depth</a></span> first-word: (addr word), final-word: (addr word)<span class="PreProc"> -> </span>result/<span class="Constant">edi</span>: int <span class="Delimiter">{</span> -<span id="L176" class="LineNr">176 </span> <span class="PreProc">var</span> curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar"><-</span> copy first-word -<span id="L177" class="LineNr">177 </span> <span class="PreProc">var</span> curr-depth/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L178" class="LineNr">178 </span> result <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> -<span id="L179" class="LineNr">179 </span> $max-stack-depth:<span class="PreProc">loop</span>: <span class="Delimiter">{</span> -<span id="L180" class="LineNr">180 </span> $max-stack-depth:process-word: <span class="Delimiter">{</span> -<span id="L181" class="LineNr">181 </span> <span class="muComment"># handle operators</span> -<span id="L182" class="LineNr">182 </span> <span class="Delimiter">{</span> -<span id="L183" class="LineNr">183 </span> <span class="PreProc">var</span> is-add?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> word-equal? curr-word, <span class="Constant">"+"</span> -<span id="L184" class="LineNr">184 </span> compare is-add?, <span class="Constant">0</span> -<span id="L185" class="LineNr">185 </span> <span class="PreProc">break-if-=</span> -<span id="L186" class="LineNr">186 </span> curr-depth <span class="SpecialChar"><-</span> decrement -<span id="L187" class="LineNr">187 </span> <span class="PreProc">break</span> $max-stack-depth:process-word -<span id="L188" class="LineNr">188 </span> <span class="Delimiter">}</span> -<span id="L189" class="LineNr">189 </span> <span class="Delimiter">{</span> -<span id="L190" class="LineNr">190 </span> <span class="PreProc">var</span> is-sub?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> word-equal? curr-word, <span class="Constant">"-"</span> -<span id="L191" class="LineNr">191 </span> compare is-sub?, <span class="Constant">0</span> -<span id="L192" class="LineNr">192 </span> <span class="PreProc">break-if-=</span> -<span id="L193" class="LineNr">193 </span> curr-depth <span class="SpecialChar"><-</span> decrement -<span id="L194" class="LineNr">194 </span> <span class="PreProc">break</span> $max-stack-depth:process-word -<span id="L195" class="LineNr">195 </span> <span class="Delimiter">}</span> -<span id="L196" class="LineNr">196 </span> <span class="Delimiter">{</span> -<span id="L197" class="LineNr">197 </span> <span class="PreProc">var</span> is-mul?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> word-equal? curr-word, <span class="Constant">"*"</span> -<span id="L198" class="LineNr">198 </span> compare is-mul?, <span class="Constant">0</span> -<span id="L199" class="LineNr">199 </span> <span class="PreProc">break-if-=</span> -<span id="L200" class="LineNr">200 </span> curr-depth <span class="SpecialChar"><-</span> decrement -<span id="L201" class="LineNr">201 </span> <span class="PreProc">break</span> $max-stack-depth:process-word -<span id="L202" class="LineNr">202 </span> <span class="Delimiter">}</span> -<span id="L203" class="LineNr">203 </span> <span class="muComment"># otherwise it's an int (do we need error-checking?)</span> -<span id="L204" class="LineNr">204 </span> curr-depth <span class="SpecialChar"><-</span> increment -<span id="L205" class="LineNr">205 </span> <span class="muComment"># update max depth if necessary</span> -<span id="L206" class="LineNr">206 </span> <span class="Delimiter">{</span> -<span id="L207" class="LineNr">207 </span> compare curr-depth, result -<span id="L208" class="LineNr">208 </span> <span class="PreProc">break-if-<=</span> -<span id="L209" class="LineNr">209 </span> result <span class="SpecialChar"><-</span> copy curr-depth -<span id="L210" class="LineNr">210 </span> <span class="Delimiter">}</span> -<span id="L211" class="LineNr">211 </span> <span class="Delimiter">}</span> -<span id="L212" class="LineNr">212 </span> <span class="muComment"># if curr-word == final-word break</span> -<span id="L213" class="LineNr">213 </span> compare curr-word, final-word -<span id="L214" class="LineNr">214 </span> <span class="PreProc">break-if-=</span> -<span id="L215" class="LineNr">215 </span> <span class="muComment"># curr-word = curr-word->next</span> -<span id="L216" class="LineNr">216 </span> <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next -<span id="L217" class="LineNr">217 </span> curr-word <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah -<span id="L218" class="LineNr">218 </span> <span class="muComment">#</span> -<span id="L219" class="LineNr">219 </span> <span class="PreProc">loop</span> -<span id="L220" class="LineNr">220 </span> <span class="Delimiter">}</span> -<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span> +<span id="L53" class="LineNr"> 53 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='../../309stream.subx.html#L6'>stream-empty?</a> curr-stream +<span id="L54" class="LineNr"> 54 </span> compare done?, <span class="Constant">0</span> <span class="muComment"># false</span> +<span id="L55" class="LineNr"> 55 </span> <span class="PreProc">break-if-!=</span> +<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">var</span> new-byte/<span class="Constant">eax</span>: byte <span class="SpecialChar"><-</span> <a href='../../112read-byte.subx.html#L273'>read-byte</a> curr-stream +<span id="L57" class="LineNr"> 57 </span> compare new-byte, <span class="Constant">0x3d</span> <span class="muComment"># '='</span> +<span id="L58" class="LineNr"> 58 </span> <span class="PreProc">break-if-!=</span> +<span id="L59" class="LineNr"> 59 </span> <span class="PreProc">var</span> key-h: (handle array byte) +<span id="L60" class="LineNr"> 60 </span> <span class="PreProc">var</span> key/<span class="Constant">ecx</span>: (addr handle array byte) <span class="SpecialChar"><-</span> address key-h +<span id="L61" class="LineNr"> 61 </span> <a href='../../310copy-bytes.subx.html#L59'>stream-to-string</a> curr-stream, key +<span id="L62" class="LineNr"> 62 </span> <span class="PreProc">var</span> foo/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *key +<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">var</span> val/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> pop-int-from-value-stack out +<span id="L64" class="LineNr"> 64 </span> bind-int-in-table bindings, key, val +<span id="L65" class="LineNr"> 65 </span> <span class="PreProc">var</span> line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar"><-</span> copy scratch +<span id="L66" class="LineNr"> 66 </span> <span class="PreProc">var</span> next-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> line, next +<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah +<span id="L68" class="LineNr"> 68 </span> compare next-line, <span class="Constant">0</span> +<span id="L69" class="LineNr"> 69 </span> <span class="PreProc">break-if-=</span> $evaluate:process-word +<span id="L70" class="LineNr"> 70 </span> <a href='rpn.mu.html#L1'>evaluate</a> functions, bindings, next-line, end, out +<span id="L71" class="LineNr"> 71 </span> <span class="PreProc">break</span> $evaluate:process-word +<span id="L72" class="LineNr"> 72 </span> <span class="Delimiter">}</span> +<span id="L73" class="LineNr"> 73 </span> <a href='../../106stream.subx.html#L56'>rewind-stream</a> curr-stream +<span id="L74" class="LineNr"> 74 </span> <span class="muComment"># if curr-stream is a known function name, call it appropriately</span> +<span id="L75" class="LineNr"> 75 </span> <span class="Delimiter">{</span> +<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> callee-h: (handle function) +<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">var</span> callee-ah/<span class="Constant">eax</span>: (addr handle function) <span class="SpecialChar"><-</span> address callee-h +<span id="L78" class="LineNr"> 78 </span> <a href='rpn.mu.html#L143'>find-function</a> functions, curr-stream, callee-ah +<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> callee/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *callee-ah +<span id="L80" class="LineNr"> 80 </span> compare callee, <span class="Constant">0</span> +<span id="L81" class="LineNr"> 81 </span> <span class="PreProc">break-if-=</span> +<span id="L82" class="LineNr"> 82 </span> <a href='rpn.mu.html#L164'>perform-call</a> callee, out, functions +<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">break</span> $evaluate:process-word +<span id="L84" class="LineNr"> 84 </span> <span class="Delimiter">}</span> +<span id="L85" class="LineNr"> 85 </span> <span class="muComment"># if it's a name, push its value</span> +<span id="L86" class="LineNr"> 86 </span> <span class="Delimiter">{</span> +<span id="L87" class="LineNr"> 87 </span> compare bindings, <span class="Constant">0</span> +<span id="L88" class="LineNr"> 88 </span> <span class="PreProc">break-if-=</span> +<span id="L89" class="LineNr"> 89 </span> <span class="PreProc">var</span> tmp: (handle array byte) +<span id="L90" class="LineNr"> 90 </span> <span class="PreProc">var</span> curr-string-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="SpecialChar"><-</span> address tmp +<span id="L91" class="LineNr"> 91 </span> <a href='../../310copy-bytes.subx.html#L59'>stream-to-string</a> curr-stream, curr-string-ah <span class="muComment"># unfortunate leak</span> +<span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> curr-string/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-string-ah +<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">var</span> val-storage: (handle value) +<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> val-ah/<span class="Constant">edi</span>: (addr handle value) <span class="SpecialChar"><-</span> address val-storage +<span id="L95" class="LineNr"> 95 </span> lookup-binding bindings, curr-string, val-ah +<span id="L96" class="LineNr"> 96 </span> <span class="PreProc">var</span> val/<span class="Constant">eax</span>: (addr value) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *val-ah +<span id="L97" class="LineNr"> 97 </span> compare val, <span class="Constant">0</span> +<span id="L98" class="LineNr"> 98 </span> <span class="PreProc">break-if-=</span> +<span id="L99" class="LineNr"> 99 </span> push-value-stack out, val +<span id="L100" class="LineNr">100 </span> <span class="PreProc">break</span> $evaluate:process-word +<span id="L101" class="LineNr">101 </span> <span class="Delimiter">}</span> +<span id="L102" class="LineNr">102 </span> <span class="muComment"># otherwise assume it's a literal int and push it</span> +<span id="L103" class="LineNr">103 </span> <span class="Delimiter">{</span> +<span id="L104" class="LineNr">104 </span> <span class="PreProc">var</span> n/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> <a href='../../311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> curr-stream +<span id="L105" class="LineNr">105 </span> push-int-to-value-stack out, n +<span id="L106" class="LineNr">106 </span> <span class="Delimiter">}</span> +<span id="L107" class="LineNr">107 </span> <span class="Delimiter">}</span> +<span id="L108" class="LineNr">108 </span> <span class="muComment"># termination check</span> +<span id="L109" class="LineNr">109 </span> compare curr, end +<span id="L110" class="LineNr">110 </span> <span class="PreProc">break-if-=</span> +<span id="L111" class="LineNr">111 </span> <span class="muComment"># update</span> +<span id="L112" class="LineNr">112 </span> <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> curr, next +<span id="L113" class="LineNr">113 </span> curr <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah +<span id="L114" class="LineNr">114 </span> <span class="muComment">#</span> +<span id="L115" class="LineNr">115 </span> <span class="PreProc">loop</span> +<span id="L116" class="LineNr">116 </span> <span class="Delimiter">}</span> +<span id="L117" class="LineNr">117 </span><span class="Delimiter">}</span> +<span id="L118" class="LineNr">118 </span> +<span id="L119" class="LineNr">119 </span><span class="PreProc">fn</span> <span class="muTest"><a href='rpn.mu.html#L119'>test-evaluate</a></span> <span class="Delimiter">{</span> +<span id="L120" class="LineNr">120 </span> <span class="PreProc">var</span> line-storage: line +<span id="L121" class="LineNr">121 </span> <span class="PreProc">var</span> line/<span class="Constant">esi</span>: (addr line) <span class="SpecialChar"><-</span> address line-storage +<span id="L122" class="LineNr">122 </span> <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> line-storage, data +<span id="L123" class="LineNr">123 </span> allocate-word-with first-word-ah, <span class="Constant">"3"</span> +<span id="L124" class="LineNr">124 </span> append-word-with *first-word-ah, <span class="Constant">"=a"</span> +<span id="L125" class="LineNr">125 </span> <span class="PreProc">var</span> next-line-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> line-storage, next +<span id="L126" class="LineNr">126 </span> <a href='../../120allocate.subx.html#L66'>allocate</a> next-line-ah +<span id="L127" class="LineNr">127 </span> <span class="PreProc">var</span> next-line/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-line-ah +<span id="L128" class="LineNr">128 </span> <span class="PreProc">var</span> first-word-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> next-line, data +<span id="L129" class="LineNr">129 </span> allocate-word-with first-word-ah, <span class="Constant">"a"</span> +<span id="L130" class="LineNr">130 </span> <span class="PreProc">var</span> functions-storage: (handle function) +<span id="L131" class="LineNr">131 </span> <span class="PreProc">var</span> functions/<span class="Constant">ecx</span>: (addr handle function) <span class="SpecialChar"><-</span> address functions-storage +<span id="L132" class="LineNr">132 </span> <span class="PreProc">var</span> table-storage: table +<span id="L133" class="LineNr">133 </span> <span class="PreProc">var</span> table/<span class="Constant">ebx</span>: (addr table) <span class="SpecialChar"><-</span> address table-storage +<span id="L134" class="LineNr">134 </span> initialize-table table, <span class="Constant">0x10</span> +<span id="L135" class="LineNr">135 </span> <span class="PreProc">var</span> stack-storage: value-stack +<span id="L136" class="LineNr">136 </span> <span class="PreProc">var</span> stack/<span class="Constant">edi</span>: (addr value-stack) <span class="SpecialChar"><-</span> address stack-storage +<span id="L137" class="LineNr">137 </span> initialize-value-stack stack, <span class="Constant">0x10</span> +<span id="L138" class="LineNr">138 </span> <a href='rpn.mu.html#L1'>evaluate</a> functions, table, line, <span class="Constant">0</span>, stack +<span id="L139" class="LineNr">139 </span> <span class="PreProc">var</span> x/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> pop-int-from-value-stack stack +<span id="L140" class="LineNr">140 </span> <a href='../../102test.subx.html#L23'>check-ints-equal</a> x, <span class="Constant">3</span>, <span class="Constant">"F - test-evaluate"</span> +<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span> +<span id="L142" class="LineNr">142 </span> +<span id="L143" class="LineNr">143 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L143'>find-function</a></span> first: (addr handle function), name: (addr stream byte), out: (addr handle function) <span class="Delimiter">{</span> +<span id="L144" class="LineNr">144 </span> <span class="PreProc">var</span> curr/<span class="Constant">esi</span>: (addr handle function) <span class="SpecialChar"><-</span> copy first +<span id="L145" class="LineNr">145 </span> $find-function:<span class="PreProc">loop</span>: <span class="Delimiter">{</span> +<span id="L146" class="LineNr">146 </span> <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr function) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr +<span id="L147" class="LineNr">147 </span> <span class="PreProc">var</span> f/<span class="Constant">ecx</span>: (addr function) <span class="SpecialChar"><-</span> copy _f +<span id="L148" class="LineNr">148 </span> compare f, <span class="Constant">0</span> +<span id="L149" class="LineNr">149 </span> <span class="PreProc">break-if-=</span> +<span id="L150" class="LineNr">150 </span> <span class="PreProc">var</span> curr-name-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> f, name +<span id="L151" class="LineNr">151 </span> <span class="PreProc">var</span> curr-name/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-name-ah +<span id="L152" class="LineNr">152 </span> <span class="PreProc">var</span> done?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='../../109stream-equal.subx.html#L9'>stream-data-equal?</a> name, curr-name +<span id="L153" class="LineNr">153 </span> compare done?, <span class="Constant">0</span> <span class="muComment"># false</span> +<span id="L154" class="LineNr">154 </span> <span class="Delimiter">{</span> +<span id="L155" class="LineNr">155 </span> <span class="PreProc">break-if-=</span> +<span id="L156" class="LineNr">156 </span> <a href='../../120allocate.subx.html#L489'>copy-handle</a> *curr, out +<span id="L157" class="LineNr">157 </span> <span class="PreProc">break</span> $find-function:<span class="PreProc">loop</span> +<span id="L158" class="LineNr">158 </span> <span class="Delimiter">}</span> +<span id="L159" class="LineNr">159 </span> curr <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> f, next +<span id="L160" class="LineNr">160 </span> <span class="PreProc">loop</span> +<span id="L161" class="LineNr">161 </span> <span class="Delimiter">}</span> +<span id="L162" class="LineNr">162 </span><span class="Delimiter">}</span> +<span id="L163" class="LineNr">163 </span> +<span id="L164" class="LineNr">164 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L164'>perform-call</a></span> _callee: (addr function), caller-stack: (addr value-stack), functions: (addr handle function) <span class="Delimiter">{</span> +<span id="L165" class="LineNr">165 </span> <span class="PreProc">var</span> callee/<span class="Constant">ecx</span>: (addr function) <span class="SpecialChar"><-</span> copy _callee +<span id="L166" class="LineNr">166 </span> <span class="muComment"># create bindings for args</span> +<span id="L167" class="LineNr">167 </span> <span class="PreProc">var</span> table-storage: table +<span id="L168" class="LineNr">168 </span> <span class="PreProc">var</span> table/<span class="Constant">esi</span>: (addr table) <span class="SpecialChar"><-</span> address table-storage +<span id="L169" class="LineNr">169 </span> initialize-table table, <span class="Constant">0x10</span> +<span id="L170" class="LineNr">170 </span> <a href='rpn.mu.html#L188'>bind-args</a> callee, caller-stack, table +<span id="L171" class="LineNr">171 </span> <span class="muComment"># obtain body</span> +<span id="L172" class="LineNr">172 </span> <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle line) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> callee, body +<span id="L173" class="LineNr">173 </span> <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr line) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *body-ah +<span id="L174" class="LineNr">174 </span> <span class="muComment"># perform call</span> +<span id="L175" class="LineNr">175 </span> <span class="PreProc">var</span> stack-storage: value-stack +<span id="L176" class="LineNr">176 </span> <span class="PreProc">var</span> stack/<span class="Constant">edi</span>: (addr value-stack) <span class="SpecialChar"><-</span> address stack-storage +<span id="L177" class="LineNr">177 </span> initialize-value-stack stack, <span class="Constant">0x10</span> +<span id="L178" class="LineNr">178 </span><span class="CommentedCode">#? print-string-to-real-screen "about to enter recursive eval\n"</span> +<span id="L179" class="LineNr">179 </span> <a href='rpn.mu.html#L1'>evaluate</a> functions, table, body, <span class="Constant">0</span>, stack +<span id="L180" class="LineNr">180 </span><span class="CommentedCode">#? print-string-to-real-screen "exited recursive eval\n"</span> +<span id="L181" class="LineNr">181 </span> <span class="muComment"># stitch result from stack into caller</span> +<span id="L182" class="LineNr">182 </span> <span class="PreProc">var</span> result/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> pop-int-from-value-stack stack +<span id="L183" class="LineNr">183 </span> push-int-to-value-stack caller-stack, result +<span id="L184" class="LineNr">184 </span><span class="Delimiter">}</span> +<span id="L185" class="LineNr">185 </span> +<span id="L186" class="LineNr">186 </span><span class="muComment"># pop args from the caller-stack and bind them to successive args</span> +<span id="L187" class="LineNr">187 </span><span class="muComment"># implies: function args are stored in reverse order</span> +<span id="L188" class="LineNr">188 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L188'>bind-args</a></span> _callee: (addr function), caller-stack: (addr value-stack), table: (addr table) <span class="Delimiter">{</span> +<span id="L189" class="LineNr">189 </span> <span class="PreProc">var</span> callee/<span class="Constant">ecx</span>: (addr function) <span class="SpecialChar"><-</span> copy _callee +<span id="L190" class="LineNr">190 </span> <span class="PreProc">var</span> curr-arg-ah/<span class="Constant">eax</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> callee, args +<span id="L191" class="LineNr">191 </span> <span class="PreProc">var</span> curr-arg/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *curr-arg-ah +<span id="L192" class="LineNr">192 </span> <span class="muComment">#</span> +<span id="L193" class="LineNr">193 </span> <span class="PreProc">var</span> curr-key-storage: (handle array byte) +<span id="L194" class="LineNr">194 </span> <span class="PreProc">var</span> curr-key/<span class="Constant">edx</span>: (addr handle array byte) <span class="SpecialChar"><-</span> address curr-key-storage +<span id="L195" class="LineNr">195 </span> <span class="Delimiter">{</span> +<span id="L196" class="LineNr">196 </span> compare curr-arg, <span class="Constant">0</span> +<span id="L197" class="LineNr">197 </span> <span class="PreProc">break-if-=</span> +<span id="L198" class="LineNr">198 </span> <span class="muComment"># create binding</span> +<span id="L199" class="LineNr">199 </span> word-to-string curr-arg, curr-key +<span id="L200" class="LineNr">200 </span> <span class="Delimiter">{</span> +<span id="L201" class="LineNr">201 </span><span class="CommentedCode">#? var tmp/eax: (addr array byte) <- lookup *curr-key</span> +<span id="L202" class="LineNr">202 </span><span class="CommentedCode">#? print-string-to-real-screen "binding "</span> +<span id="L203" class="LineNr">203 </span><span class="CommentedCode">#? print-string-to-real-screen tmp</span> +<span id="L204" class="LineNr">204 </span><span class="CommentedCode">#? print-string-to-real-screen " to "</span> +<span id="L205" class="LineNr">205 </span> <span class="PreProc">var</span> curr-val/<span class="Constant">eax</span>: int <span class="SpecialChar"><-</span> pop-int-from-value-stack caller-stack +<span id="L206" class="LineNr">206 </span><span class="CommentedCode">#? print-int32-decimal-to-real-screen curr-val</span> +<span id="L207" class="LineNr">207 </span><span class="CommentedCode">#? print-string-to-real-screen "\n"</span> +<span id="L208" class="LineNr">208 </span> bind-int-in-table table, curr-key, curr-val +<span id="L209" class="LineNr">209 </span> <span class="Delimiter">}</span> +<span id="L210" class="LineNr">210 </span> <span class="muComment">#</span> +<span id="L211" class="LineNr">211 </span> <span class="PreProc">var</span> next-arg-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> curr-arg, next +<span id="L212" class="LineNr">212 </span> curr-arg <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-arg-ah +<span id="L213" class="LineNr">213 </span> <span class="PreProc">loop</span> +<span id="L214" class="LineNr">214 </span> <span class="Delimiter">}</span> +<span id="L215" class="LineNr">215 </span><span class="Delimiter">}</span> +<span id="L216" class="LineNr">216 </span> +<span id="L217" class="LineNr">217 </span><span class="muComment"># Copy of 'simplify' that just tracks the maximum stack depth needed</span> +<span id="L218" class="LineNr">218 </span><span class="muComment"># Doesn't actually need to simulate the stack, since every word has a predictable effect.</span> +<span id="L219" class="LineNr">219 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='rpn.mu.html#L219'>max-stack-depth</a></span> first-word: (addr word), final-word: (addr word)<span class="PreProc"> -> </span>result/<span class="Constant">edi</span>: int <span class="Delimiter">{</span> +<span id="L220" class="LineNr">220 </span> <span class="PreProc">var</span> curr-word/<span class="Constant">eax</span>: (addr word) <span class="SpecialChar"><-</span> copy first-word +<span id="L221" class="LineNr">221 </span> <span class="PreProc">var</span> curr-depth/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L222" class="LineNr">222 </span> result <span class="SpecialChar"><-</span> copy <span class="Constant">0</span> +<span id="L223" class="LineNr">223 </span> $max-stack-depth:<span class="PreProc">loop</span>: <span class="Delimiter">{</span> +<span id="L224" class="LineNr">224 </span> $max-stack-depth:process-word: <span class="Delimiter">{</span> +<span id="L225" class="LineNr">225 </span> <span class="muComment"># handle operators</span> +<span id="L226" class="LineNr">226 </span> <span class="Delimiter">{</span> +<span id="L227" class="LineNr">227 </span> <span class="PreProc">var</span> is-add?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> word-equal? curr-word, <span class="Constant">"+"</span> +<span id="L228" class="LineNr">228 </span> compare is-add?, <span class="Constant">0</span> +<span id="L229" class="LineNr">229 </span> <span class="PreProc">break-if-=</span> +<span id="L230" class="LineNr">230 </span> curr-depth <span class="SpecialChar"><-</span> decrement +<span id="L231" class="LineNr">231 </span> <span class="PreProc">break</span> $max-stack-depth:process-word +<span id="L232" class="LineNr">232 </span> <span class="Delimiter">}</span> +<span id="L233" class="LineNr">233 </span> <span class="Delimiter">{</span> +<span id="L234" class="LineNr">234 </span> <span class="PreProc">var</span> is-sub?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> word-equal? curr-word, <span class="Constant">"-"</span> +<span id="L235" class="LineNr">235 </span> compare is-sub?, <span class="Constant">0</span> +<span id="L236" class="LineNr">236 </span> <span class="PreProc">break-if-=</span> +<span id="L237" class="LineNr">237 </span> curr-depth <span class="SpecialChar"><-</span> decrement +<span id="L238" class="LineNr">238 </span> <span class="PreProc">break</span> $max-stack-depth:process-word +<span id="L239" class="LineNr">239 </span> <span class="Delimiter">}</span> +<span id="L240" class="LineNr">240 </span> <span class="Delimiter">{</span> +<span id="L241" class="LineNr">241 </span> <span class="PreProc">var</span> is-mul?/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> word-equal? curr-word, <span class="Constant">"*"</span> +<span id="L242" class="LineNr">242 </span> compare is-mul?, <span class="Constant">0</span> +<span id="L243" class="LineNr">243 </span> <span class="PreProc">break-if-=</span> +<span id="L244" class="LineNr">244 </span> curr-depth <span class="SpecialChar"><-</span> decrement +<span id="L245" class="LineNr">245 </span> <span class="PreProc">break</span> $max-stack-depth:process-word +<span id="L246" class="LineNr">246 </span> <span class="Delimiter">}</span> +<span id="L247" class="LineNr">247 </span> <span class="muComment"># otherwise it's an int (do we need error-checking?)</span> +<span id="L248" class="LineNr">248 </span> curr-depth <span class="SpecialChar"><-</span> increment +<span id="L249" class="LineNr">249 </span> <span class="muComment"># update max depth if necessary</span> +<span id="L250" class="LineNr">250 </span> <span class="Delimiter">{</span> +<span id="L251" class="LineNr">251 </span> compare curr-depth, result +<span id="L252" class="LineNr">252 </span> <span class="PreProc">break-if-<=</span> +<span id="L253" class="LineNr">253 </span> result <span class="SpecialChar"><-</span> copy curr-depth +<span id="L254" class="LineNr">254 </span> <span class="Delimiter">}</span> +<span id="L255" class="LineNr">255 </span> <span class="Delimiter">}</span> +<span id="L256" class="LineNr">256 </span> <span class="muComment"># if curr-word == final-word break</span> +<span id="L257" class="LineNr">257 </span> compare curr-word, final-word +<span id="L258" class="LineNr">258 </span> <span class="PreProc">break-if-=</span> +<span id="L259" class="LineNr">259 </span> <span class="muComment"># curr-word = curr-word->next</span> +<span id="L260" class="LineNr">260 </span> <span class="PreProc">var</span> next-word-ah/<span class="Constant">edx</span>: (addr handle word) <span class="SpecialChar"><-</span> <a href='../../131table.subx.html#L26'>get</a> curr-word, next +<span id="L261" class="LineNr">261 </span> curr-word <span class="SpecialChar"><-</span> <a href='../../120allocate.subx.html#L256'>lookup</a> *next-word-ah +<span id="L262" class="LineNr">262 </span> <span class="muComment">#</span> +<span id="L263" class="LineNr">263 </span> <span class="PreProc">loop</span> +<span id="L264" class="LineNr">264 </span> <span class="Delimiter">}</span> +<span id="L265" class="LineNr">265 </span><span class="Delimiter">}</span> </pre> </body> </html> |