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Diffstat (limited to 'html/040brace.cc.html')
-rw-r--r--html/040brace.cc.html779
1 files changed, 390 insertions, 389 deletions
diff --git a/html/040brace.cc.html b/html/040brace.cc.html
index fb92c3da..41ac0d83 100644
--- a/html/040brace.cc.html
+++ b/html/040brace.cc.html
@@ -128,411 +128,412 @@ if ('onhashchange' in window) {
 <span id="L67" class="LineNr"> 67 </span>      <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L68" class="LineNr"> 68 </span>    <span class="Delimiter">}</span>
 <span id="L69" class="LineNr"> 69 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L70" class="LineNr"> 70 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name != <span class="Constant">&quot;loop&quot;</span>
-<span id="L71" class="LineNr"> 71 </span>         &amp;&amp; inst<span class="Delimiter">.</span>old_name != <span class="Constant">&quot;loop-if&quot;</span>
-<span id="L72" class="LineNr"> 72 </span>         &amp;&amp; inst<span class="Delimiter">.</span>old_name != <span class="Constant">&quot;loop-unless&quot;</span>
-<span id="L73" class="LineNr"> 73 </span>         &amp;&amp; inst<span class="Delimiter">.</span>old_name != <span class="Constant">&quot;break&quot;</span>
-<span id="L74" class="LineNr"> 74 </span>         &amp;&amp; inst<span class="Delimiter">.</span>old_name != <span class="Constant">&quot;break-if&quot;</span>
-<span id="L75" class="LineNr"> 75 </span>         &amp;&amp; inst<span class="Delimiter">.</span>old_name != <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L76" class="LineNr"> 76 </span>      <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>old_name &lt;&lt; <span class="Constant">&quot; ...&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
+<span id="L70" class="LineNr"> 70 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;loop&quot;</span>
+<span id="L71" class="LineNr"> 71 </span>         &amp;&amp; inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;loop-if&quot;</span>
+<span id="L72" class="LineNr"> 72 </span>         &amp;&amp; inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;loop-unless&quot;</span>
+<span id="L73" class="LineNr"> 73 </span>         &amp;&amp; inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;break&quot;</span>
+<span id="L74" class="LineNr"> 74 </span>         &amp;&amp; inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;break-if&quot;</span>
+<span id="L75" class="LineNr"> 75 </span>         &amp;&amp; inst<span class="Delimiter">.</span>name != <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L76" class="LineNr"> 76 </span>      <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; ...&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
 <span id="L77" class="LineNr"> 77 </span>      <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L78" class="LineNr"> 78 </span>    <span class="Delimiter">}</span>
 <span id="L79" class="LineNr"> 79 </span>    <span class="Comment">// check for errors</span>
-<span id="L80" class="LineNr"> 80 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-if&quot;</span><span class="Delimiter">)</span> != string::npos || inst<span class="Delimiter">.</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-unless&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L80" class="LineNr"> 80 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-if&quot;</span><span class="Delimiter">)</span> != string::npos || inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-unless&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L81" class="LineNr"> 81 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L82" class="LineNr"> 82 </span>        <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>old_name &lt;&lt; <span class="Constant">&quot;' expects 1 or 2 ingredients, but got none</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
+<span id="L82" class="LineNr"> 82 </span>        <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' expects 1 or 2 ingredients, but got none</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
 <span id="L83" class="LineNr"> 83 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L84" class="LineNr"> 84 </span>      <span class="Delimiter">}</span>
 <span id="L85" class="LineNr"> 85 </span>    <span class="Delimiter">}</span>
 <span id="L86" class="LineNr"> 86 </span>    <span class="Comment">// update instruction operation</span>
-<span id="L87" class="LineNr"> 87 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-if&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L88" class="LineNr"> 88 </span>      inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;jump-if&quot;</span><span class="Delimiter">;</span>
-<span id="L89" class="LineNr"> 89 </span>      inst<span class="Delimiter">.</span>operation = JUMP_IF<span class="Delimiter">;</span>
-<span id="L90" class="LineNr"> 90 </span>    <span class="Delimiter">}</span>
-<span id="L91" class="LineNr"> 91 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-unless&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L92" class="LineNr"> 92 </span>      inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;jump-unless&quot;</span><span class="Delimiter">;</span>
-<span id="L93" class="LineNr"> 93 </span>      inst<span class="Delimiter">.</span>operation = JUMP_UNLESS<span class="Delimiter">;</span>
-<span id="L94" class="LineNr"> 94 </span>    <span class="Delimiter">}</span>
-<span id="L95" class="LineNr"> 95 </span>    <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L96" class="LineNr"> 96 </span>      inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">;</span>
-<span id="L97" class="LineNr"> 97 </span>      inst<span class="Delimiter">.</span>operation = JUMP<span class="Delimiter">;</span>
-<span id="L98" class="LineNr"> 98 </span>    <span class="Delimiter">}</span>
-<span id="L99" class="LineNr"> 99 </span>    <span class="Comment">// check for explicitly provided targets</span>
-<span id="L100" class="LineNr">100 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-if&quot;</span><span class="Delimiter">)</span> != string::npos || inst<span class="Delimiter">.</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-unless&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L101" class="LineNr">101 </span>      <span class="Comment">// conditional branches check arg 1</span>
-<span id="L102" class="LineNr">102 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; is_literal<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="L103" class="LineNr">103 </span>        <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</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>name &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
-<span id="L104" class="LineNr">104 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L105" class="LineNr">105 </span>      <span class="Delimiter">}</span>
-<span id="L106" class="LineNr">106 </span>    <span class="Delimiter">}</span>
-<span id="L107" class="LineNr">107 </span>    <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L108" class="LineNr">108 </span>      <span class="Comment">// unconditional branches check arg 0</span>
-<span id="L109" class="LineNr">109 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> &amp;&amp; is_literal<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="L110" class="LineNr">110 </span>        <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump &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>name &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
-<span id="L111" class="LineNr">111 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L112" class="LineNr">112 </span>      <span class="Delimiter">}</span>
-<span id="L113" class="LineNr">113 </span>    <span class="Delimiter">}</span>
-<span id="L114" class="LineNr">114 </span>    <span class="Comment">// if implicit, compute target</span>
-<span id="L115" class="LineNr">115 </span>    reagent target<span class="Delimiter">;</span>
-<span id="L116" class="LineNr">116 </span>    target<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;offset&quot;</span><span class="Delimiter">);</span>
-<span id="L117" class="LineNr">117 </span>    target<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L118" class="LineNr">118 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
-<span id="L119" class="LineNr">119 </span>      <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>old_name &lt;&lt; <span class="Constant">&quot;' needs a '{' before</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
-<span id="L120" class="LineNr">120 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;loop&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span>
-<span id="L121" class="LineNr">121 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">()</span>-index<span class="Delimiter">);</span>
-<span id="L122" class="LineNr">122 </span>    <span class="Normal">else</span>  <span class="Comment">// break instruction</span>
-<span id="L123" class="LineNr">123 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='040brace.cc.html#L135'>matching_brace</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">(),</span> braces<span class="Delimiter">,</span> r<span class="Delimiter">)</span> - index - <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L124" class="LineNr">124 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>target<span class="Delimiter">);</span>
-<span id="L125" class="LineNr">125 </span>    <span class="Comment">// log computed target</span>
-<span id="L126" class="LineNr">126 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">)</span>
-<span id="L127" class="LineNr">127 </span>      <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
-<span id="L128" class="LineNr">128 </span>    <span class="Normal">else</span>
-<span id="L129" class="LineNr">129 </span>      <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</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>name &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
-<span id="L130" class="LineNr">130 </span>  <span class="Delimiter">}</span>
-<span id="L131" class="LineNr">131 </span><span class="Delimiter">}</span>
-<span id="L132" class="LineNr">132 </span>
-<span id="L133" class="LineNr">133 </span><span class="Comment">// returns a signed integer not just so that we can return -1 but also to</span>
-<span id="L134" class="LineNr">134 </span><span class="Comment">// enable future signed arithmetic</span>
-<span id="L135" class="LineNr">135 </span><span class="Normal">int</span> <a href='040brace.cc.html#L135'>matching_brace</a><span class="Delimiter">(</span><span class="Normal">int</span> index<span class="Delimiter">,</span> <span class="Normal">const</span> list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;&amp; braces<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L136" class="LineNr">136 </span>  <span class="Normal">int</span> stacksize = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L137" class="LineNr">137 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;::const_iterator p = braces<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != braces<span class="Delimiter">.</span><a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L138" class="LineNr">138 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second &lt; index<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L139" class="LineNr">139 </span>    stacksize += <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first ? <span class="Constant">1</span> : -<span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L140" class="LineNr">140 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>stacksize == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
-<span id="L141" class="LineNr">141 </span>  <span class="Delimiter">}</span>
-<span id="L142" class="LineNr">142 </span>  <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unbalanced '{'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
-<span id="L143" class="LineNr">143 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  <span class="Comment">// exit current routine</span>
-<span id="L144" class="LineNr">144 </span><span class="Delimiter">}</span>
-<span id="L145" class="LineNr">145 </span>
-<span id="L146" class="LineNr">146 </span><span class="Delimiter">:(scenario loop)</span>
-<span id="L147" class="LineNr">147 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L148" class="LineNr">148 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L149" class="LineNr">149 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L150" class="LineNr">150 </span>  <span class="Delimiter">{</span>
-<span id="L151" class="LineNr">151 </span>    <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L152" class="LineNr">152 </span>    loop
-<span id="L153" class="LineNr">153 </span>  <span class="Delimiter">}</span>
-<span id="L154" class="LineNr">154 </span>]
-<span id="L155" class="LineNr">155 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L98'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
-<span id="L156" class="LineNr">156 </span><span class="traceContains">+transform: copy ...</span>
+<span id="L87" class="LineNr"> 87 </span>    string old_name = inst<span class="Delimiter">.</span>name<span class="Delimiter">;</span>  <span class="Comment">// save a copy</span>
+<span id="L88" class="LineNr"> 88 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-if&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L89" class="LineNr"> 89 </span>      inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;jump-if&quot;</span><span class="Delimiter">;</span>
+<span id="L90" class="LineNr"> 90 </span>      inst<span class="Delimiter">.</span>operation = JUMP_IF<span class="Delimiter">;</span>
+<span id="L91" class="LineNr"> 91 </span>    <span class="Delimiter">}</span>
+<span id="L92" class="LineNr"> 92 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-unless&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L93" class="LineNr"> 93 </span>      inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;jump-unless&quot;</span><span class="Delimiter">;</span>
+<span id="L94" class="LineNr"> 94 </span>      inst<span class="Delimiter">.</span>operation = JUMP_UNLESS<span class="Delimiter">;</span>
+<span id="L95" class="LineNr"> 95 </span>    <span class="Delimiter">}</span>
+<span id="L96" class="LineNr"> 96 </span>    <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L97" class="LineNr"> 97 </span>      inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">;</span>
+<span id="L98" class="LineNr"> 98 </span>      inst<span class="Delimiter">.</span>operation = JUMP<span class="Delimiter">;</span>
+<span id="L99" class="LineNr"> 99 </span>    <span class="Delimiter">}</span>
+<span id="L100" class="LineNr">100 </span>    <span class="Comment">// check for explicitly provided targets</span>
+<span id="L101" class="LineNr">101 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-if&quot;</span><span class="Delimiter">)</span> != string::npos || inst<span class="Delimiter">.</span>name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;-unless&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L102" class="LineNr">102 </span>      <span class="Comment">// conditional branches check arg 1</span>
+<span id="L103" class="LineNr">103 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; is_literal<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="L104" class="LineNr">104 </span>        <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</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>name &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
+<span id="L105" class="LineNr">105 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<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="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L109" class="LineNr">109 </span>      <span class="Comment">// unconditional branches check arg 0</span>
+<span id="L110" class="LineNr">110 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> &amp;&amp; is_literal<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="L111" class="LineNr">111 </span>        <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump &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>name &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
+<span id="L112" class="LineNr">112 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L113" class="LineNr">113 </span>      <span class="Delimiter">}</span>
+<span id="L114" class="LineNr">114 </span>    <span class="Delimiter">}</span>
+<span id="L115" class="LineNr">115 </span>    <span class="Comment">// if implicit, compute target</span>
+<span id="L116" class="LineNr">116 </span>    reagent target<span class="Delimiter">;</span>
+<span id="L117" class="LineNr">117 </span>    target<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;offset&quot;</span><span class="Delimiter">);</span>
+<span id="L118" class="LineNr">118 </span>    target<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L119" class="LineNr">119 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
+<span id="L120" class="LineNr">120 </span>      <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; old_name &lt;&lt; <span class="Constant">&quot;' needs a '{' before</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
+<span id="L121" class="LineNr">121 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;loop&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span>
+<span id="L122" class="LineNr">122 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">()</span>-index<span class="Delimiter">);</span>
+<span id="L123" class="LineNr">123 </span>    <span class="Normal">else</span>  <span class="Comment">// break instruction</span>
+<span id="L124" class="LineNr">124 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='040brace.cc.html#L136'>matching_brace</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">(),</span> braces<span class="Delimiter">,</span> r<span class="Delimiter">)</span> - index - <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L125" class="LineNr">125 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>target<span class="Delimiter">);</span>
+<span id="L126" class="LineNr">126 </span>    <span class="Comment">// log computed target</span>
+<span id="L127" class="LineNr">127 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">)</span>
+<span id="L128" class="LineNr">128 </span>      <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
+<span id="L129" class="LineNr">129 </span>    <span class="Normal">else</span>
+<span id="L130" class="LineNr">130 </span>      <a href='003trace.cc.html#L171'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</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>name &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
+<span id="L131" class="LineNr">131 </span>  <span class="Delimiter">}</span>
+<span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span>
+<span id="L133" class="LineNr">133 </span>
+<span id="L134" class="LineNr">134 </span><span class="Comment">// returns a signed integer not just so that we can return -1 but also to</span>
+<span id="L135" class="LineNr">135 </span><span class="Comment">// enable future signed arithmetic</span>
+<span id="L136" class="LineNr">136 </span><span class="Normal">int</span> <a href='040brace.cc.html#L136'>matching_brace</a><span class="Delimiter">(</span><span class="Normal">int</span> index<span class="Delimiter">,</span> <span class="Normal">const</span> list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;&amp; braces<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L137" class="LineNr">137 </span>  <span class="Normal">int</span> stacksize = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L138" class="LineNr">138 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;::const_iterator p = braces<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != braces<span class="Delimiter">.</span><a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L139" class="LineNr">139 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second &lt; index<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L140" class="LineNr">140 </span>    stacksize += <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first ? <span class="Constant">1</span> : -<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L141" class="LineNr">141 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>stacksize == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
+<span id="L142" class="LineNr">142 </span>  <span class="Delimiter">}</span>
+<span id="L143" class="LineNr">143 </span>  <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unbalanced '{'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
+<span id="L144" class="LineNr">144 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  <span class="Comment">// exit current routine</span>
+<span id="L145" class="LineNr">145 </span><span class="Delimiter">}</span>
+<span id="L146" class="LineNr">146 </span>
+<span id="L147" class="LineNr">147 </span><span class="Delimiter">:(scenario loop)</span>
+<span id="L148" class="LineNr">148 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L149" class="LineNr">149 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L150" class="LineNr">150 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L151" class="LineNr">151 </span>  <span class="Delimiter">{</span>
+<span id="L152" class="LineNr">152 </span>    <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L153" class="LineNr">153 </span>    loop
+<span id="L154" class="LineNr">154 </span>  <span class="Delimiter">}</span>
+<span id="L155" class="LineNr">155 </span>]
+<span id="L156" class="LineNr">156 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L98'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
 <span id="L157" class="LineNr">157 </span><span class="traceContains">+transform: copy ...</span>
 <span id="L158" class="LineNr">158 </span><span class="traceContains">+transform: copy ...</span>
-<span id="L159" class="LineNr">159 </span><span class="traceContains">+transform: jump -2:offset</span>
-<span id="L160" class="LineNr">160 </span>
-<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(scenario break_empty_block)</span>
-<span id="L162" class="LineNr">162 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L163" class="LineNr">163 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L164" class="LineNr">164 </span>  <span class="Delimiter">{</span>
-<span id="L165" class="LineNr">165 </span>    <span class="Identifier">break</span>
-<span id="L166" class="LineNr">166 </span>  <span class="Delimiter">}</span>
-<span id="L167" class="LineNr">167 </span>]
-<span id="L168" class="LineNr">168 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L98'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
-<span id="L169" class="LineNr">169 </span><span class="traceContains">+transform: copy ...</span>
-<span id="L170" class="LineNr">170 </span><span class="traceContains">+transform: jump 0:offset</span>
-<span id="L171" class="LineNr">171 </span>
-<span id="L172" class="LineNr">172 </span><span class="Delimiter">:(scenario break_cascading)</span>
-<span id="L173" class="LineNr">173 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L174" class="LineNr">174 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L175" class="LineNr">175 </span>  <span class="Delimiter">{</span>
-<span id="L176" class="LineNr">176 </span>    <span class="Identifier">break</span>
-<span id="L177" class="LineNr">177 </span>  <span class="Delimiter">}</span>
-<span id="L178" class="LineNr">178 </span>  <span class="Delimiter">{</span>
-<span id="L179" class="LineNr">179 </span>    <span class="Identifier">break</span>
-<span id="L180" class="LineNr">180 </span>  <span class="Delimiter">}</span>
-<span id="L181" class="LineNr">181 </span>]
-<span id="L182" class="LineNr">182 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L98'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
-<span id="L183" class="LineNr">183 </span><span class="traceContains">+transform: copy ...</span>
-<span id="L184" class="LineNr">184 </span><span class="traceContains">+transform: jump 0:offset</span>
+<span id="L159" class="LineNr">159 </span><span class="traceContains">+transform: copy ...</span>
+<span id="L160" class="LineNr">160 </span><span class="traceContains">+transform: jump -2:offset</span>
+<span id="L161" class="LineNr">161 </span>
+<span id="L162" class="LineNr">162 </span><span class="Delimiter">:(scenario break_empty_block)</span>
+<span id="L163" class="LineNr">163 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L164" class="LineNr">164 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L165" class="LineNr">165 </span>  <span class="Delimiter">{</span>
+<span id="L166" class="LineNr">166 </span>    <span class="Identifier">break</span>
+<span id="L167" class="LineNr">167 </span>  <span class="Delimiter">}</span>
+<span id="L168" class="LineNr">168 </span>]
+<span id="L169" class="LineNr">169 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L98'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
+<span id="L170" class="LineNr">170 </span><span class="traceContains">+transform: copy ...</span>
+<span id="L171" class="LineNr">171 </span><span class="traceContains">+transform: jump 0:offset</span>
+<span id="L172" class="LineNr">172 </span>
+<span id="L173" class="LineNr">173 </span><span class="Delimiter">:(scenario break_cascading)</span>
+<span id="L174" class="LineNr">174 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L175" class="LineNr">175 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L176" class="LineNr">176 </span>  <span class="Delimiter">{</span>
+<span id="L177" class="LineNr">177 </span>    <span class="Identifier">break</span>
+<span id="L178" class="LineNr">178 </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="Identifier">break</span>
+<span id="L181" class="LineNr">181 </span>  <span class="Delimiter">}</span>
+<span id="L182" class="LineNr">182 </span>]
+<span id="L183" class="LineNr">183 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L98'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
+<span id="L184" class="LineNr">184 </span><span class="traceContains">+transform: copy ...</span>
 <span id="L185" class="LineNr">185 </span><span class="traceContains">+transform: jump 0:offset</span>
-<span id="L186" class="LineNr">186 </span>
-<span id="L187" class="LineNr">187 </span><span class="Delimiter">:(scenario break_cascading_2)</span>
-<span id="L188" class="LineNr">188 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L189" class="LineNr">189 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L190" class="LineNr">190 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L191" class="LineNr">191 </span>  <span class="Delimiter">{</span>
-<span id="L192" class="LineNr">192 </span>    <span class="Identifier">break</span>
-<span id="L193" class="LineNr">193 </span>    <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L194" class="LineNr">194 </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="Identifier">break</span>
-<span id="L197" class="LineNr">197 </span>  <span class="Delimiter">}</span>
-<span id="L198" class="LineNr">198 </span>]
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-<span id="L317" class="LineNr">317 </span><span class="traceContains">+transform: jump-if 4, -5:offset</span>
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-<span id="L326" class="LineNr">326 </span><span class="traceContains">+transform: copy ...</span>
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+<span id="L304" class="LineNr">304 </span>
+<span id="L305" class="LineNr">305 </span><span class="Delimiter">:(scenario loop_nested)</span>
+<span id="L306" class="LineNr">306 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L307" class="LineNr">307 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L308" class="LineNr">308 </span>  <span class="Delimiter">{</span>
+<span id="L309" class="LineNr">309 </span>    <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L310" class="LineNr">310 </span>    <span class="Delimiter">{</span>
+<span id="L311" class="LineNr">311 </span>      <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
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+<span id="L318" class="LineNr">318 </span><span class="traceContains">+transform: jump-if 4, -5:offset</span>
+<span id="L319" class="LineNr">319 </span>
+<span id="L320" class="LineNr">320 </span><span class="Delimiter">:(scenario loop_label)</span>
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+<span id="L322" class="LineNr">322 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L323" class="LineNr">323 </span>  +foo
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-<span id="L328" class="LineNr">328 </span>
-<span id="L329" class="LineNr">329 </span><span class="Comment">//: test how things actually run</span>
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-<span id="L332" class="LineNr">332 </span><span class="muRecipe">def</span> test-factorial [
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-<span id="L334" class="LineNr">334 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
-<span id="L335" class="LineNr">335 </span>  <span class="Delimiter">{</span>
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-<span id="L341" class="LineNr">341 </span>    loop
-<span id="L342" class="LineNr">342 </span>  <span class="Delimiter">}</span>
-<span id="L343" class="LineNr">343 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">2</span>:num  <span class="Comment"># trigger a read</span>
-<span id="L344" class="LineNr">344 </span>]
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-<span id="L346" class="LineNr">346 </span>
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-<span id="L352" class="LineNr">352 </span><span class="traceContains">+error: 'break' needs a '{' before</span>
-<span id="L353" class="LineNr">353 </span>
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-<span id="L362" class="LineNr">362 </span>
-<span id="L363" class="LineNr">363 </span><span class="Comment">//: Using break we can now implement conditional returns.</span>
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-<span id="L384" class="LineNr">384 </span>
-<span id="L385" class="LineNr">385 </span><span class="Delimiter">:(before &quot;End Rewrite Instruction(curr, <a href='010vm.cc.html#L19'>recipe</a> result)&quot;)</span>
-<span id="L386" class="LineNr">386 </span><span class="Comment">// rewrite `return-if a, b, c, ...` to</span>
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-<span id="L425" class="LineNr">425 </span>
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-<span id="L436" class="LineNr">436 </span>
-<span id="L437" class="LineNr">437 </span>  <span class="Comment">// return &lt;return ingredients&gt;</span>
-<span id="L438" class="LineNr">438 </span>  <a href='010vm.cc.html#L32'>instruction</a> return_inst<span class="Delimiter">;</span>
-<span id="L439" class="LineNr">439 </span>  return_inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;return&quot;</span><span class="Delimiter">);</span>
-<span id="L440" class="LineNr">440 </span>  return_inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;return&quot;</span><span class="Delimiter">;</span>
-<span id="L441" class="LineNr">441 </span>  return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>return_ingredients<span class="Delimiter">);</span>
-<span id="L442" class="LineNr">442 </span>  return_inst<span class="Delimiter">.</span>original_string = inst<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
-<span id="L443" class="LineNr">443 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>return_inst<span class="Delimiter">);</span>
-<span id="L444" class="LineNr">444 </span>
-<span id="L445" class="LineNr">445 </span>  <span class="Comment">// }</span>
-<span id="L446" class="LineNr">446 </span>  <a href='010vm.cc.html#L32'>instruction</a> close_label<span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>is_label=<span class="Constant">true</span><span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>label = <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
-<span id="L447" class="LineNr">447 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>close_label<span class="Delimiter">);</span>
-<span id="L448" class="LineNr">448 </span><span class="Delimiter">}</span>
-<span id="L449" class="LineNr">449 </span>
-<span id="L450" class="LineNr">450 </span><span class="Comment">//: Make sure these pseudo recipes get consistent numbers in all tests, even</span>
-<span id="L451" class="LineNr">451 </span><span class="Comment">//: though they aren't implemented. Allows greater flexibility in ordering</span>
-<span id="L452" class="LineNr">452 </span><span class="Comment">//: transforms.</span>
-<span id="L453" class="LineNr">453 </span>
-<span id="L454" class="LineNr">454 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L455" class="LineNr">455 </span>BREAK<span class="Delimiter">,</span>
-<span id="L456" class="LineNr">456 </span>BREAK_IF<span class="Delimiter">,</span>
-<span id="L457" class="LineNr">457 </span>BREAK_UNLESS<span class="Delimiter">,</span>
-<span id="L458" class="LineNr">458 </span>LOOP<span class="Delimiter">,</span>
-<span id="L459" class="LineNr">459 </span>LOOP_IF<span class="Delimiter">,</span>
-<span id="L460" class="LineNr">460 </span>LOOP_UNLESS<span class="Delimiter">,</span>
-<span id="L461" class="LineNr">461 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L462" class="LineNr">462 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break&quot;</span><span class="Delimiter">,</span> BREAK<span class="Delimiter">);</span>
-<span id="L463" class="LineNr">463 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> BREAK_IF<span class="Delimiter">);</span>
-<span id="L464" class="LineNr">464 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> BREAK_UNLESS<span class="Delimiter">);</span>
-<span id="L465" class="LineNr">465 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop&quot;</span><span class="Delimiter">,</span> LOOP<span class="Delimiter">);</span>
-<span id="L466" class="LineNr">466 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-if&quot;</span><span class="Delimiter">,</span> LOOP_IF<span class="Delimiter">);</span>
-<span id="L467" class="LineNr">467 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-unless&quot;</span><span class="Delimiter">,</span> LOOP_UNLESS<span class="Delimiter">);</span>
-<span id="L468" class="LineNr">468 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L469" class="LineNr">469 </span><span class="Normal">case</span> BREAK: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L470" class="LineNr">470 </span><span class="Normal">case</span> BREAK_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L471" class="LineNr">471 </span><span class="Normal">case</span> BREAK_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L472" class="LineNr">472 </span><span class="Normal">case</span> LOOP: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L473" class="LineNr">473 </span><span class="Normal">case</span> LOOP_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L474" class="LineNr">474 </span><span class="Normal">case</span> LOOP_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L328" class="LineNr">328 </span><span class="traceContains">+transform: copy ...</span>
+<span id="L329" class="LineNr">329 </span>
+<span id="L330" class="LineNr">330 </span><span class="Comment">//: test how things actually run</span>
+<span id="L331" class="LineNr">331 </span><span class="Delimiter">:(scenarios run)</span>
+<span id="L332" class="LineNr">332 </span><span class="Delimiter">:(scenario brace_conversion_and_run)</span>
+<span id="L333" class="LineNr">333 </span><span class="muRecipe">def</span> test-factorial [
+<span id="L334" class="LineNr">334 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">5</span>
+<span id="L335" class="LineNr">335 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
+<span id="L336" class="LineNr">336 </span>  <span class="Delimiter">{</span>
+<span id="L337" class="LineNr">337 </span>    <span class="Constant">3</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>equal <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L338" class="LineNr">338 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span> <span class="Constant">3</span>:<span class="Normal">bool</span>
+<span id="L339" class="LineNr">339 </span><span class="Comment">#    $print 1:num</span>
+<span id="L340" class="LineNr">340 </span>    <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>multiply <span class="Constant">2</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>:num
+<span id="L341" class="LineNr">341 </span>    <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>subtract <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L342" class="LineNr">342 </span>    loop
+<span id="L343" class="LineNr">343 </span>  <span class="Delimiter">}</span>
+<span id="L344" class="LineNr">344 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">2</span>:num  <span class="Comment"># trigger a read</span>
+<span id="L345" class="LineNr">345 </span>]
+<span id="L346" class="LineNr">346 </span><span class="traceContains">+mem: location 2 is 120</span>
+<span id="L347" class="LineNr">347 </span>
+<span id="L348" class="LineNr">348 </span><span class="Delimiter">:(scenario break_outside_braces_fails)</span>
+<span id="L349" class="LineNr">349 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L350" class="LineNr">350 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L351" class="LineNr">351 </span>  <span class="Identifier">break</span>
+<span id="L352" class="LineNr">352 </span>]
+<span id="L353" class="LineNr">353 </span><span class="traceContains">+error: 'break' needs a '{' before</span>
+<span id="L354" class="LineNr">354 </span>
+<span id="L355" class="LineNr">355 </span><span class="Delimiter">:(scenario break_conditional_without_ingredient_fails)</span>
+<span id="L356" class="LineNr">356 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L357" class="LineNr">357 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L358" class="LineNr">358 </span>  <span class="Delimiter">{</span>
+<span id="L359" class="LineNr">359 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span>
+<span id="L360" class="LineNr">360 </span>  <span class="Delimiter">}</span>
+<span id="L361" class="LineNr">361 </span>]
+<span id="L362" class="LineNr">362 </span><span class="traceContains">+error: 'break-if' expects 1 or 2 ingredients, but got none</span>
+<span id="L363" class="LineNr">363 </span>
+<span id="L364" class="LineNr">364 </span><span class="Comment">//: Using break we can now implement conditional returns.</span>
+<span id="L365" class="LineNr">365 </span>
+<span id="L366" class="LineNr">366 </span><span class="Delimiter">:(scenario return_if)</span>
+<span id="L367" class="LineNr">367 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L368" class="LineNr">368 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>test1
+<span id="L369" class="LineNr">369 </span>]
+<span id="L370" class="LineNr">370 </span><span class="muRecipe">def</span> test1 [
+<span id="L371" class="LineNr">371 </span>  <span class="Identifier">return</span>-<span class="Normal">if</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L372" class="LineNr">372 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
+<span id="L373" class="LineNr">373 </span>]
+<span id="L374" class="LineNr">374 </span><span class="traceContains">+mem: storing 35 in location 1</span>
+<span id="L375" class="LineNr">375 </span>
+<span id="L376" class="LineNr">376 </span><span class="Delimiter">:(scenario return_if_2)</span>
+<span id="L377" class="LineNr">377 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L378" class="LineNr">378 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>test1
+<span id="L379" class="LineNr">379 </span>]
+<span id="L380" class="LineNr">380 </span><span class="muRecipe">def</span> test1 [
+<span id="L381" class="LineNr">381 </span>  <span class="Identifier">return</span>-<span class="Normal">if</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L382" class="LineNr">382 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
+<span id="L383" class="LineNr">383 </span>]
+<span id="L384" class="LineNr">384 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L385" class="LineNr">385 </span>
+<span id="L386" class="LineNr">386 </span><span class="Delimiter">:(before &quot;End Rewrite Instruction(curr, <a href='010vm.cc.html#L19'>recipe</a> result)&quot;)</span>
+<span id="L387" class="LineNr">387 </span><span class="Comment">// rewrite `return-if a, b, c, ...` to</span>
+<span id="L388" class="LineNr">388 </span><span class="Comment">//   ```</span>
+<span id="L389" class="LineNr">389 </span><span class="Comment">//   {</span>
+<span id="L390" class="LineNr">390 </span><span class="Comment">//     break-unless a</span>
+<span id="L391" class="LineNr">391 </span><span class="Comment">//     return b, c, ...</span>
+<span id="L392" class="LineNr">392 </span><span class="Comment">//   }</span>
+<span id="L393" class="LineNr">393 </span><span class="Comment">//   ```</span>
+<span id="L394" class="LineNr">394 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;return-if&quot;</span> || curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply-if&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L395" class="LineNr">395 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L396" class="LineNr">396 </span>    <a href='040brace.cc.html#L421'>emit_return_block</a><span class="Delimiter">(</span>result<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> curr<span class="Delimiter">);</span>
+<span id="L397" class="LineNr">397 </span>    curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L398" class="LineNr">398 </span>  <span class="Delimiter">}</span>
+<span id="L399" class="LineNr">399 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L400" class="LineNr">400 </span>    <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; curr<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' never yields any products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
+<span id="L401" class="LineNr">401 </span>  <span class="Delimiter">}</span>
+<span id="L402" class="LineNr">402 </span><span class="Delimiter">}</span>
+<span id="L403" class="LineNr">403 </span><span class="Comment">// rewrite `return-unless a, b, c, ...` to</span>
+<span id="L404" class="LineNr">404 </span><span class="Comment">//   ```</span>
+<span id="L405" class="LineNr">405 </span><span class="Comment">//   {</span>
+<span id="L406" class="LineNr">406 </span><span class="Comment">//     break-if a</span>
+<span id="L407" class="LineNr">407 </span><span class="Comment">//     return b, c, ...</span>
+<span id="L408" class="LineNr">408 </span><span class="Comment">//   }</span>
+<span id="L409" class="LineNr">409 </span><span class="Comment">//   ```</span>
+<span id="L410" class="LineNr">410 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;return-unless&quot;</span> || curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply-unless&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L411" class="LineNr">411 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L412" class="LineNr">412 </span>    <a href='040brace.cc.html#L421'>emit_return_block</a><span class="Delimiter">(</span>result<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> curr<span class="Delimiter">);</span>
+<span id="L413" class="LineNr">413 </span>    curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L414" class="LineNr">414 </span>  <span class="Delimiter">}</span>
+<span id="L415" class="LineNr">415 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L416" class="LineNr">416 </span>    <a href='003trace.cc.html#L178'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; curr<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' never yields any products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L195'>end</a><span class="Delimiter">();</span>
+<span id="L417" class="LineNr">417 </span>  <span class="Delimiter">}</span>
+<span id="L418" class="LineNr">418 </span><span class="Delimiter">}</span>
+<span id="L419" class="LineNr">419 </span>
+<span id="L420" class="LineNr">420 </span><span class="Delimiter">:(code)</span>
+<span id="L421" class="LineNr">421 </span><span class="Normal">void</span> <a href='040brace.cc.html#L421'>emit_return_block</a><span class="Delimiter">(</span>recipe&amp; out<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; break_command<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L422" class="LineNr">422 </span>  <span class="Normal">const</span> vector&lt;reagent&gt;&amp; ingredients = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">;</span>
+<span id="L423" class="LineNr">423 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> condition = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L424" class="LineNr">424 </span>  vector&lt;reagent&gt; return_ingredients<span class="Delimiter">;</span>
+<span id="L425" class="LineNr">425 </span>  copy<span class="Delimiter">(</span>++ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L195'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>return_ingredients<span class="Delimiter">,</span> return_ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L195'>end</a><span class="Delimiter">()));</span>
+<span id="L426" class="LineNr">426 </span>
+<span id="L427" class="LineNr">427 </span>  <span class="Comment">// {</span>
+<span id="L428" class="LineNr">428 </span>  <a href='010vm.cc.html#L32'>instruction</a> open_label<span class="Delimiter">;</span>  open_label<span class="Delimiter">.</span>is_label=<span class="Constant">true</span><span class="Delimiter">;</span>  open_label<span class="Delimiter">.</span>label = <span class="Constant">&quot;{&quot;</span><span class="Delimiter">;</span>
+<span id="L429" class="LineNr">429 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>open_label<span class="Delimiter">);</span>
+<span id="L430" class="LineNr">430 </span>
+<span id="L431" class="LineNr">431 </span>  <span class="Comment">// &lt;break command&gt; &lt;condition&gt;</span>
+<span id="L432" class="LineNr">432 </span>  <a href='010vm.cc.html#L32'>instruction</a> break_inst<span class="Delimiter">;</span>
+<span id="L433" class="LineNr">433 </span>  break_inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> break_command<span class="Delimiter">);</span>
+<span id="L434" class="LineNr">434 </span>  break_inst<span class="Delimiter">.</span>name = break_command<span class="Delimiter">;</span>
+<span id="L435" class="LineNr">435 </span>  break_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>condition<span class="Delimiter">);</span>
+<span id="L436" class="LineNr">436 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>break_inst<span class="Delimiter">);</span>
+<span id="L437" class="LineNr">437 </span>
+<span id="L438" class="LineNr">438 </span>  <span class="Comment">// return &lt;return ingredients&gt;</span>
+<span id="L439" class="LineNr">439 </span>  <a href='010vm.cc.html#L32'>instruction</a> return_inst<span class="Delimiter">;</span>
+<span id="L440" class="LineNr">440 </span>  return_inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;return&quot;</span><span class="Delimiter">);</span>
+<span id="L441" class="LineNr">441 </span>  return_inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;return&quot;</span><span class="Delimiter">;</span>
+<span id="L442" class="LineNr">442 </span>  return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>return_ingredients<span class="Delimiter">);</span>
+<span id="L443" class="LineNr">443 </span>  return_inst<span class="Delimiter">.</span>original_string = inst<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
+<span id="L444" class="LineNr">444 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>return_inst<span class="Delimiter">);</span>
+<span id="L445" class="LineNr">445 </span>
+<span id="L446" class="LineNr">446 </span>  <span class="Comment">// }</span>
+<span id="L447" class="LineNr">447 </span>  <a href='010vm.cc.html#L32'>instruction</a> close_label<span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>is_label=<span class="Constant">true</span><span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>label = <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
+<span id="L448" class="LineNr">448 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>close_label<span class="Delimiter">);</span>
+<span id="L449" class="LineNr">449 </span><span class="Delimiter">}</span>
+<span id="L450" class="LineNr">450 </span>
+<span id="L451" class="LineNr">451 </span><span class="Comment">//: Make sure these pseudo recipes get consistent numbers in all tests, even</span>
+<span id="L452" class="LineNr">452 </span><span class="Comment">//: though they aren't implemented. Allows greater flexibility in ordering</span>
+<span id="L453" class="LineNr">453 </span><span class="Comment">//: transforms.</span>
+<span id="L454" class="LineNr">454 </span>
+<span id="L455" class="LineNr">455 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L456" class="LineNr">456 </span>BREAK<span class="Delimiter">,</span>
+<span id="L457" class="LineNr">457 </span>BREAK_IF<span class="Delimiter">,</span>
+<span id="L458" class="LineNr">458 </span>BREAK_UNLESS<span class="Delimiter">,</span>
+<span id="L459" class="LineNr">459 </span>LOOP<span class="Delimiter">,</span>
+<span id="L460" class="LineNr">460 </span>LOOP_IF<span class="Delimiter">,</span>
+<span id="L461" class="LineNr">461 </span>LOOP_UNLESS<span class="Delimiter">,</span>
+<span id="L462" class="LineNr">462 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L463" class="LineNr">463 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break&quot;</span><span class="Delimiter">,</span> BREAK<span class="Delimiter">);</span>
+<span id="L464" class="LineNr">464 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> BREAK_IF<span class="Delimiter">);</span>
+<span id="L465" class="LineNr">465 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> BREAK_UNLESS<span class="Delimiter">);</span>
+<span id="L466" class="LineNr">466 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop&quot;</span><span class="Delimiter">,</span> LOOP<span class="Delimiter">);</span>
+<span id="L467" class="LineNr">467 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-if&quot;</span><span class="Delimiter">,</span> LOOP_IF<span class="Delimiter">);</span>
+<span id="L468" class="LineNr">468 </span><a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-unless&quot;</span><span class="Delimiter">,</span> LOOP_UNLESS<span class="Delimiter">);</span>
+<span id="L469" class="LineNr">469 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L470" class="LineNr">470 </span><span class="Normal">case</span> BREAK: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L471" class="LineNr">471 </span><span class="Normal">case</span> BREAK_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L472" class="LineNr">472 </span><span class="Normal">case</span> BREAK_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L473" class="LineNr">473 </span><span class="Normal">case</span> LOOP: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L474" class="LineNr">474 </span><span class="Normal">case</span> LOOP_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L475" class="LineNr">475 </span><span class="Normal">case</span> LOOP_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
 </pre>
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