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<a href='https://github.com/akkartik/mu/blob/master/029tools.cc'>https://github.com/akkartik/mu/blob/master/029tools.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Allow Mu programs to log facts just like we've been doing in C++ so far.</span>
<span id="L2" class="LineNr">  2 </span>
<span id="L3" class="LineNr">  3 </span><span class="Delimiter">:(scenario trace)</span>
<span id="L4" class="LineNr">  4 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L5" class="LineNr">  5 </span>  <a href='003trace.cc.html#L189'>trace</a> <span class="Constant">1</span><span class="Delimiter">,</span> [foo]<span class="Delimiter">,</span> [<span class="Normal">this</span> is a <a href='003trace.cc.html#L189'>trace</a> in <span class="Special">Mu</span>]
<span id="L6" class="LineNr">  6 </span>]
<span id="L7" class="LineNr">  7 </span><span class="traceContains">+foo: this is a <a href='003trace.cc.html#L189'>trace</a> in Mu</span>
<span id="L8" class="LineNr">  8 </span>
<span id="L9" class="LineNr">  9 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L10" class="LineNr"> 10 </span>TRACE<span class="Delimiter">,</span>
<span id="L11" class="LineNr"> 11 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L12" class="LineNr"> 12 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;trace&quot;</span><span class="Delimiter">,</span> TRACE<span class="Delimiter">);</span>
<span id="L13" class="LineNr"> 13 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L14" class="LineNr"> 14 </span><span class="Normal">case</span> TRACE: <span class="Delimiter">{</span>
<span id="L15" class="LineNr"> 15 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L16" class="LineNr"> 16 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'trace' takes three or more ingredients rather than '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L17" class="LineNr"> 17 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="Delimiter">}</span>
<span id="L19" class="LineNr"> 19 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L20" class="LineNr"> 20 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'trace' should be a number (depth), but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L21" class="LineNr"> 21 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L22" class="LineNr"> 22 </span>  <span class="Delimiter">}</span>
<span id="L23" class="LineNr"> 23 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L24" class="LineNr"> 24 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'trace' should be a literal string (label), but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L25" class="LineNr"> 25 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L26" class="LineNr"> 26 </span>  <span class="Delimiter">}</span>
<span id="L27" class="LineNr"> 27 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L28" class="LineNr"> 28 </span><span class="Delimiter">}</span>
<span id="L29" class="LineNr"> 29 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L30" class="LineNr"> 30 </span><span class="Normal">case</span> TRACE: <span class="Delimiter">{</span>
<span id="L31" class="LineNr"> 31 </span>  <span class="Normal">int</span> depth = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L32" class="LineNr"> 32 </span>  string label = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
<span id="L33" class="LineNr"> 33 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">2</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L35" class="LineNr"> 35 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">2</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
<span id="L36" class="LineNr"> 36 </span>    out &lt;&lt; inspect<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L37" class="LineNr"> 37 </span>  <span class="Delimiter">}</span>
<span id="L38" class="LineNr"> 38 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span>depth<span class="Delimiter">,</span> label<span class="Delimiter">)</span> &lt;&lt; out<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L39" class="LineNr"> 39 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L40" class="LineNr"> 40 </span><span class="Delimiter">}</span>
<span id="L41" class="LineNr"> 41 </span>
<span id="L42" class="LineNr"> 42 </span><span class="Comment">//: simpler limited version of 'trace'</span>
<span id="L43" class="LineNr"> 43 </span>
<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L45" class="LineNr"> 45 </span>STASH<span class="Delimiter">,</span>
<span id="L46" class="LineNr"> 46 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L47" class="LineNr"> 47 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;stash&quot;</span><span class="Delimiter">,</span> STASH<span class="Delimiter">);</span>
<span id="L48" class="LineNr"> 48 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L49" class="LineNr"> 49 </span><span class="Normal">case</span> STASH: <span class="Delimiter">{</span>
<span id="L50" class="LineNr"> 50 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L51" class="LineNr"> 51 </span><span class="Delimiter">}</span>
<span id="L52" class="LineNr"> 52 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L53" class="LineNr"> 53 </span><span class="Normal">case</span> STASH: <span class="Delimiter">{</span>
<span id="L54" class="LineNr"> 54 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L55" class="LineNr"> 55 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L56" class="LineNr"> 56 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
<span id="L57" class="LineNr"> 57 </span>    out &lt;&lt; inspect<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L58" class="LineNr"> 58 </span>  <span class="Delimiter">}</span>
<span id="L59" class="LineNr"> 59 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">&quot;app&quot;</span><span class="Delimiter">)</span> &lt;&lt; out<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L60" class="LineNr"> 60 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">}</span>
<span id="L62" class="LineNr"> 62 </span>
<span id="L63" class="LineNr"> 63 </span><span class="Delimiter">:(scenario stash_literal_string)</span>
<span id="L64" class="LineNr"> 64 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L65" class="LineNr"> 65 </span>  stash [foo]
<span id="L66" class="LineNr"> 66 </span>]
<span id="L67" class="LineNr"> 67 </span><span class="traceContains">+app: foo</span>
<span id="L68" class="LineNr"> 68 </span>
<span id="L69" class="LineNr"> 69 </span><span class="Delimiter">:(scenario stash_literal_number)</span>
<span id="L70" class="LineNr"> 70 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L71" class="LineNr"> 71 </span>  stash [foo:]<span class="Delimiter">,</span> <span class="Constant">4</span>
<span id="L72" class="LineNr"> 72 </span>]
<span id="L73" class="LineNr"> 73 </span><span class="traceContains">+app: foo: 4</span>
<span id="L74" class="LineNr"> 74 </span>
<span id="L75" class="LineNr"> 75 </span><span class="Delimiter">:(scenario stash_number)</span>
<span id="L76" class="LineNr"> 76 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L77" class="LineNr"> 77 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L78" class="LineNr"> 78 </span>  stash [foo:]<span class="Delimiter">,</span> <span class="Constant">1</span>:num
<span id="L79" class="LineNr"> 79 </span>]
<span id="L80" class="LineNr"> 80 </span><span class="traceContains">+app: foo: 34</span>
<span id="L81" class="LineNr"> 81 </span>
<span id="L82" class="LineNr"> 82 </span><span class="Delimiter">:(code)</span>
<span id="L83" class="LineNr"> 83 </span>string inspect<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;<span class="Normal">double</span>&gt;&amp; data<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L84" class="LineNr"> 84 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>r<span class="Delimiter">))</span>
<span id="L85" class="LineNr"> 85 </span>    <span class="Identifier">return</span> r<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
<span id="L86" class="LineNr"> 86 </span>  <span class="Comment">// End inspect Special-cases(r, data)</span>
<span id="L87" class="LineNr"> 87 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L88" class="LineNr"> 88 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">long</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L89" class="LineNr"> 89 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
<span id="L90" class="LineNr"> 90 </span>    out &lt;&lt; no_scientific<span class="Delimiter">(</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L91" class="LineNr"> 91 </span>  <span class="Delimiter">}</span>
<span id="L92" class="LineNr"> 92 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L93" class="LineNr"> 93 </span><span class="Delimiter">}</span>
<span id="L94" class="LineNr"> 94 </span>
<span id="L95" class="LineNr"> 95 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L96" class="LineNr"> 96 </span>HIDE_ERRORS<span class="Delimiter">,</span>
<span id="L97" class="LineNr"> 97 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L98" class="LineNr"> 98 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;hide-errors&quot;</span><span class="Delimiter">,</span> HIDE_ERRORS<span class="Delimiter">);</span>
<span id="L99" class="LineNr"> 99 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L100" class="LineNr">100 </span><span class="Normal">case</span> HIDE_ERRORS: <span class="Delimiter">{</span>
<span id="L101" class="LineNr">101 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L102" class="LineNr">102 </span><span class="Delimiter">}</span>
<span id="L103" class="LineNr">103 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L104" class="LineNr">104 </span><span class="Normal">case</span> HIDE_ERRORS: <span class="Delimiter">{</span>
<span id="L105" class="LineNr">105 </span>  <span class="Special">Hide_errors</span> =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L106" class="LineNr">106 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L107" class="LineNr">107 </span><span class="Delimiter">}</span>
<span id="L108" class="LineNr">108 </span>
<span id="L109" class="LineNr">109 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L110" class="LineNr">110 </span>SHOW_ERRORS<span class="Delimiter">,</span>
<span id="L111" class="LineNr">111 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L112" class="LineNr">112 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;show-errors&quot;</span><span class="Delimiter">,</span> SHOW_ERRORS<span class="Delimiter">);</span>
<span id="L113" class="LineNr">113 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L114" class="LineNr">114 </span><span class="Normal">case</span> SHOW_ERRORS: <span class="Delimiter">{</span>
<span id="L115" class="LineNr">115 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L116" class="LineNr">116 </span><span class="Delimiter">}</span>
<span id="L117" class="LineNr">117 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L118" class="LineNr">118 </span><span class="Normal">case</span> SHOW_ERRORS: <span class="Delimiter">{</span>
<span id="L119" class="LineNr">119 </span>  <span class="Special">Hide_errors</span> =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L120" class="LineNr">120 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L121" class="LineNr">121 </span><span class="Delimiter">}</span>
<span id="L122" class="LineNr">122 </span>
<span id="L123" class="LineNr">123 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L124" class="LineNr">124 </span>TRACE_UNTIL<span class="Delimiter">,</span>
<span id="L125" class="LineNr">125 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L126" class="LineNr">126 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;trace-until&quot;</span><span class="Delimiter">,</span> TRACE_UNTIL<span class="Delimiter">);</span>
<span id="L127" class="LineNr">127 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L128" class="LineNr">128 </span><span class="Normal">case</span> TRACE_UNTIL: <span class="Delimiter">{</span>
<span id="L129" class="LineNr">129 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L130" class="LineNr">130 </span><span class="Delimiter">}</span>
<span id="L131" class="LineNr">131 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L132" class="LineNr">132 </span><span class="Normal">case</span> TRACE_UNTIL: <span class="Delimiter">{</span>
<span id="L133" class="LineNr">133 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Trace_stream</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L134" class="LineNr">134 </span>    <span class="Special">Trace_stream</span><span class="Delimiter">-&gt;</span>collect_depth = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L135" class="LineNr">135 </span>  <span class="Delimiter">}</span>
<span id="L136" class="LineNr">136 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L137" class="LineNr">137 </span><span class="Delimiter">}</span>
<span id="L138" class="LineNr">138 </span>
<span id="L139" class="LineNr">139 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L140" class="LineNr">140 </span>_DUMP_TRACE<span class="Delimiter">,</span>
<span id="L141" class="LineNr">141 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L142" class="LineNr">142 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$dump-trace&quot;</span><span class="Delimiter">,</span> _DUMP_TRACE<span class="Delimiter">);</span>
<span id="L143" class="LineNr">143 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L144" class="LineNr">144 </span><span class="Normal">case</span> _DUMP_TRACE: <span class="Delimiter">{</span>
<span id="L145" class="LineNr">145 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L146" class="LineNr">146 </span><span class="Delimiter">}</span>
<span id="L147" class="LineNr">147 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L148" class="LineNr">148 </span><span class="Normal">case</span> _DUMP_TRACE: <span class="Delimiter">{</span>
<span id="L149" class="LineNr">149 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L150" class="LineNr">150 </span>    <a href='003trace.cc.html#L193'>DUMP</a><span class="Delimiter">(</span><span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
<span id="L151" class="LineNr">151 </span>  <span class="Delimiter">}</span>
<span id="L152" class="LineNr">152 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L153" class="LineNr">153 </span>    <a href='003trace.cc.html#L193'>DUMP</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
<span id="L154" class="LineNr">154 </span>  <span class="Delimiter">}</span>
<span id="L155" class="LineNr">155 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L156" class="LineNr">156 </span><span class="Delimiter">}</span>
<span id="L157" class="LineNr">157 </span>
<span id="L158" class="LineNr">158 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L159" class="LineNr">159 </span>_CLEAR_TRACE<span class="Delimiter">,</span>
<span id="L160" class="LineNr">160 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L161" class="LineNr">161 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$clear-trace&quot;</span><span class="Delimiter">,</span> _CLEAR_TRACE<span class="Delimiter">);</span>
<span id="L162" class="LineNr">162 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L163" class="LineNr">163 </span><span class="Normal">case</span> _CLEAR_TRACE: <span class="Delimiter">{</span>
<span id="L164" class="LineNr">164 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L165" class="LineNr">165 </span><span class="Delimiter">}</span>
<span id="L166" class="LineNr">166 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L167" class="LineNr">167 </span><span class="Normal">case</span> _CLEAR_TRACE: <span class="Delimiter">{</span>
<span id="L168" class="LineNr">168 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Trace_stream</span><span class="Delimiter">)</span> <span class="Special">Trace_stream</span><span class="Delimiter">-&gt;</span>past_lines<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L169" class="LineNr">169 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L170" class="LineNr">170 </span><span class="Delimiter">}</span>
<span id="L171" class="LineNr">171 </span>
<span id="L172" class="LineNr">172 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L173" class="LineNr">173 </span>_SAVE_TRACE<span class="Delimiter">,</span>
<span id="L174" class="LineNr">174 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L175" class="LineNr">175 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$save-trace&quot;</span><span class="Delimiter">,</span> _SAVE_TRACE<span class="Delimiter">);</span>
<span id="L176" class="LineNr">176 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L177" class="LineNr">177 </span><span class="Normal">case</span> _SAVE_TRACE: <span class="Delimiter">{</span>
<span id="L178" class="LineNr">178 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L179" class="LineNr">179 </span><span class="Delimiter">}</span>
<span id="L180" class="LineNr">180 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L181" class="LineNr">181 </span><span class="Normal">case</span> _SAVE_TRACE: <span class="Delimiter">{</span>
<span id="L182" class="LineNr">182 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Save_trace</span><span class="Delimiter">)</span> <span class="Special">Trace_stream</span><span class="Delimiter">-&gt;</span><a href='003trace.cc.html#L133'>save</a><span class="Delimiter">();</span>
<span id="L183" class="LineNr">183 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<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="SalientComment">//:: 'cheating' by using the host system</span>
<span id="L187" class="LineNr">187 </span>
<span id="L188" class="LineNr">188 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L189" class="LineNr">189 </span>_PRINT<span class="Delimiter">,</span>
<span id="L190" class="LineNr">190 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L191" class="LineNr">191 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$print&quot;</span><span class="Delimiter">,</span> _PRINT<span class="Delimiter">);</span>
<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L193" class="LineNr">193 </span><span class="Normal">case</span> _PRINT: <span class="Delimiter">{</span>
<span id="L194" class="LineNr">194 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L195" class="LineNr">195 </span><span class="Delimiter">}</span>
<span id="L196" class="LineNr">196 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L197" class="LineNr">197 </span><span class="Normal">case</span> _PRINT: <span class="Delimiter">{</span>
<span id="L198" class="LineNr">198 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L199" class="LineNr">199 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L200" class="LineNr">200 </span>      <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;$print: &quot;</span> &lt;&lt; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L201" class="LineNr">201 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> <span class="Constant">&quot;newline&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L202" class="LineNr">202 </span>        cout &lt;&lt; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">;</span>
<span id="L203" class="LineNr">203 </span>      <span class="Delimiter">}</span>
<span id="L204" class="LineNr">204 </span>      <span class="Comment">// hack: '$print 10' prints '10', but '$print 10/newline' prints '\n'</span>
<span id="L205" class="LineNr">205 </span>      <span class="Comment">// End $print 10/newline Special-cases</span>
<span id="L206" class="LineNr">206 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L207" class="LineNr">207 </span>        cout &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L208" class="LineNr">208 </span>      <span class="Delimiter">}</span>
<span id="L209" class="LineNr">209 </span>    <span class="Delimiter">}</span>
<span id="L210" class="LineNr">210 </span>    <span class="Comment">// End $print Special-cases</span>
<span id="L211" class="LineNr">211 </span>    <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L212" class="LineNr">212 </span>      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L213" class="LineNr">213 </span>        <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;$print: &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L214" class="LineNr">214 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>j &gt; <span class="Constant">0</span><span class="Delimiter">)</span> cout &lt;&lt; <span class="Constant">&quot; &quot;</span><span class="Delimiter">;</span>
<span id="L215" class="LineNr">215 </span>        cout &lt;&lt; no_scientific<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span>
<span id="L216" class="LineNr">216 </span>      <span class="Delimiter">}</span>
<span id="L217" class="LineNr">217 </span>    <span class="Delimiter">}</span>
<span id="L218" class="LineNr">218 </span>  <span class="Delimiter">}</span>
<span id="L219" class="LineNr">219 </span>  cout<span class="Delimiter">.</span>flush<span class="Delimiter">();</span>
<span id="L220" class="LineNr">220 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span>
<span id="L222" class="LineNr">222 </span>
<span id="L223" class="LineNr">223 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L224" class="LineNr">224 </span>_EXIT<span class="Delimiter">,</span>
<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L226" class="LineNr">226 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$exit&quot;</span><span class="Delimiter">,</span> _EXIT<span class="Delimiter">);</span>
<span id="L227" class="LineNr">227 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L228" class="LineNr">228 </span><span class="Normal">case</span> _EXIT: <span class="Delimiter">{</span>
<span id="L229" class="LineNr">229 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L230" class="LineNr">230 </span><span class="Delimiter">}</span>
<span id="L231" class="LineNr">231 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L232" class="LineNr">232 </span><span class="Normal">case</span> _EXIT: <span class="Delimiter">{</span>
<span id="L233" class="LineNr">233 </span>  exit<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L234" class="LineNr">234 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L235" class="LineNr">235 </span><span class="Delimiter">}</span>
<span id="L236" class="LineNr">236 </span>
<span id="L237" class="LineNr">237 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L238" class="LineNr">238 </span>_SYSTEM<span class="Delimiter">,</span>
<span id="L239" class="LineNr">239 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L240" class="LineNr">240 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$system&quot;</span><span class="Delimiter">,</span> _SYSTEM<span class="Delimiter">);</span>
<span id="L241" class="LineNr">241 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L242" class="LineNr">242 </span><span class="Normal">case</span> _SYSTEM: <span class="Delimiter">{</span>
<span id="L243" class="LineNr">243 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L244" class="LineNr">244 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'$system' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L245" class="LineNr">245 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L246" class="LineNr">246 </span>  <span class="Delimiter">}</span>
<span id="L247" class="LineNr">247 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal_text<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L248" class="LineNr">248 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient to '$system' must be a literal text, but got '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L249" class="LineNr">249 </span>  <span class="Delimiter">}</span>
<span id="L250" class="LineNr">250 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L251" class="LineNr">251 </span><span class="Delimiter">}</span>
<span id="L252" class="LineNr">252 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L253" class="LineNr">253 </span><span class="Normal">case</span> _SYSTEM: <span class="Delimiter">{</span>
<span id="L254" class="LineNr">254 </span>  <span class="Normal">int</span> status = system<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">.</span>c_str<span class="Delimiter">());</span>
<span id="L255" class="LineNr">255 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L256" class="LineNr">256 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>status<span class="Delimiter">);</span>
<span id="L257" class="LineNr">257 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L258" class="LineNr">258 </span><span class="Delimiter">}</span>
<span id="L259" class="LineNr">259 </span>
<span id="L260" class="LineNr">260 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L261" class="LineNr">261 </span>_DUMP_MEMORY<span class="Delimiter">,</span>
<span id="L262" class="LineNr">262 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L263" class="LineNr">263 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$dump-memory&quot;</span><span class="Delimiter">,</span> _DUMP_MEMORY<span class="Delimiter">);</span>
<span id="L264" class="LineNr">264 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L265" class="LineNr">265 </span><span class="Normal">case</span> _DUMP_MEMORY: <span class="Delimiter">{</span>
<span id="L266" class="LineNr">266 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L267" class="LineNr">267 </span><span class="Delimiter">}</span>
<span id="L268" class="LineNr">268 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L269" class="LineNr">269 </span><span class="Normal">case</span> _DUMP_MEMORY: <span class="Delimiter">{</span>
<span id="L270" class="LineNr">270 </span>  dump_memory<span class="Delimiter">();</span>
<span id="L271" class="LineNr">271 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L272" class="LineNr">272 </span><span class="Delimiter">}</span>
<span id="L273" class="LineNr">273 </span>
<span id="L274" class="LineNr">274 </span><span class="Comment">//: In times of real extremis we need to create a whole new modality for debug</span>
<span id="L275" class="LineNr">275 </span><span class="Comment">//: logs, independent of other changes to the screen or Trace_stream.</span>
<span id="L276" class="LineNr">276 </span>
<span id="L277" class="LineNr">277 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L278" class="LineNr">278 </span>ofstream LOG<span class="Delimiter">;</span>
<span id="L279" class="LineNr">279 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
<span id="L280" class="LineNr">280 </span><span class="CommentedCode">//? LOG.open(&quot;log&quot;);</span>
<span id="L281" class="LineNr">281 </span>
<span id="L282" class="LineNr">282 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L283" class="LineNr">283 </span>_LOG<span class="Delimiter">,</span>
<span id="L284" class="LineNr">284 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L285" class="LineNr">285 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$log&quot;</span><span class="Delimiter">,</span> _LOG<span class="Delimiter">);</span>
<span id="L286" class="LineNr">286 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L287" class="LineNr">287 </span><span class="Normal">case</span> _LOG: <span class="Delimiter">{</span>
<span id="L288" class="LineNr">288 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L289" class="LineNr">289 </span><span class="Delimiter">}</span>
<span id="L290" class="LineNr">290 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L291" class="LineNr">291 </span><span class="Normal">case</span> _LOG: <span class="Delimiter">{</span>
<span id="L292" class="LineNr">292 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L293" class="LineNr">293 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L294" class="LineNr">294 </span>    out &lt;&lt; inspect<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L295" class="LineNr">295 </span>  <span class="Delimiter">}</span>
<span id="L296" class="LineNr">296 </span>  LOG &lt;&lt; out<span class="Delimiter">.</span>str<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L297" class="LineNr">297 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L298" class="LineNr">298 </span><span class="Delimiter">}</span>
<span id="L299" class="LineNr">299 </span>
<span id="L300" class="LineNr">300 </span><span class="Comment">//: set a variable from within Mu code</span>
<span id="L301" class="LineNr">301 </span><span class="Comment">//: useful for selectively tracing or printing after some point</span>
<span id="L302" class="LineNr">302 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L303" class="LineNr">303 </span><span class="Normal">bool</span> <span class="Special">Foo</span> =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L304" class="LineNr">304 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L305" class="LineNr">305 </span>_FOO<span class="Delimiter">,</span>
<span id="L306" class="LineNr">306 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L307" class="LineNr">307 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;$foo&quot;</span><span class="Delimiter">,</span> _FOO<span class="Delimiter">);</span>
<span id="L308" class="LineNr">308 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L309" class="LineNr">309 </span><span class="Normal">case</span> _FOO: <span class="Delimiter">{</span>
<span id="L310" class="LineNr">310 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L311" class="LineNr">311 </span><span class="Delimiter">}</span>
<span id="L312" class="LineNr">312 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L313" class="LineNr">313 </span><span class="Normal">case</span> _FOO: <span class="Delimiter">{</span>
<span id="L314" class="LineNr">314 </span>  <span class="Special">Foo</span> =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L315" class="LineNr">315 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L316" class="LineNr">316 </span><span class="Delimiter">}</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
	Commit message (Expand)	Author	Age	Files	Lines
*	4891	Kartik Agaram	2018-12-30	1	-0/+1
*	4890 - new html renderings	Kartik Agaram	2018-12-29	1	-15/+10
*	4814	Kartik Agaram	2018-12-01	1	-12/+16
*	4539	Kartik Agaram	2018-09-07	1	-4/+4
*	4239	Kartik Agaram	2018-05-08	1	-4/+4
*	4199	Kartik K. Agaram	2018-01-25	1	-2/+2
*	4161	Kartik K. Agaram	2017-12-15	1	-4/+4
*	3971	Kartik K. Agaram	2017-08-19	1	-1/+1
*	3897 - various updates to documentation	Kartik K. Agaram	2017-05-29	1	-2/+2
*	3764 - better colors for cross-links	Kartik K. Agaram	2017-03-08	1	-4/+5
*	3716	Kartik K. Agaram	2016-12-26	1	-0/+2
*	3713 - cross-link calls with definitions in html	Kartik K. Agaram	2016-12-26	1	-2/+2
*	3710	Kartik K. Agaram	2016-12-26	1	-34/+34
*	3709 - line numbers in html	Kartik K. Agaram	2016-12-26	1	-36/+60
*	3544	Kartik K. Agaram	2016-10-22	1	-1/+1
*	3543	Kartik K. Agaram	2016-10-22	1	-1/+5
*	3219	Kartik K. Agaram	2016-08-17	1	-36/+0
*	3158	Kartik K. Agaram	2016-07-27	1	-0/+101