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mu/html/020run.cc.html
Kartik Agaram 08a0eed699 4891 
Couple more tweaks to html rendering:
a) SubX definitions no longer link redundantly to themselves. This long-standing
issue turns out to be tractable to solve for SubX files since the syntax
is so simple.
b) Fix links to SubX definitions in other directories. I forgot that I
have to always generate tags from the directory of the file being linkified.
c) Fix link colors. Before we lost all syntax highlighting for functions
and Globals. Now they maintain their colors, just add an underline.
2018-12-30 00:02:42 -08:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - 020run.cc</title>
<meta name="Generator" content="Vim/8.0">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="cpp">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
<meta name="colorscheme" content="minimal-light">
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.Constant { color: #008787; }
.Special { color: #d70000; }
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<a href='https://github.com/akkartik/mu/blob/master/020run.cc'>https://github.com/akkartik/mu/blob/master/020run.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Phase 3: Start running a loaded and transformed recipe.</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//:</span>
<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: The process of running Mu code:</span>
<span id="L4" class="LineNr"> 4 </span><span class="Comment">//: load -&gt; transform -&gt; run</span>
<span id="L5" class="LineNr"> 5 </span><span class="Comment">//:</span>
<span id="L6" class="LineNr"> 6 </span><span class="Comment">//: So far we've seen recipes as lists of instructions, and instructions point</span>
<span id="L7" class="LineNr"> 7 </span><span class="Comment">//: at other recipes. To kick things off Mu needs to know how to run certain</span>
<span id="L8" class="LineNr"> 8 </span><span class="Comment">//: 'primitive' recipes. That will then give the ability to run recipes</span>
<span id="L9" class="LineNr"> 9 </span><span class="Comment">//: containing these primitives.</span>
<span id="L10" class="LineNr"> 10 </span><span class="Comment">//:</span>
<span id="L11" class="LineNr"> 11 </span><span class="Comment">//: This layer defines a skeleton with just two primitive recipes: IDLE which</span>
<span id="L12" class="LineNr"> 12 </span><span class="Comment">//: does nothing, and COPY, which can copy numbers from one memory location to</span>
<span id="L13" class="LineNr"> 13 </span><span class="Comment">//: another. Later layers will add more primitives.</span>
<span id="L14" class="LineNr"> 14 </span>
<span id="L15" class="LineNr"> 15 </span><span class="Delimiter">:(scenario copy_literal)</span>
<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L17" class="LineNr"> 17 </span> <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span>
<span id="L18" class="LineNr"> 18 </span>]
<span id="L19" class="LineNr"> 19 </span><span class="traceContains">+run: {1: &quot;number&quot;} &lt;- copy {23: &quot;literal&quot;}</span>
<span id="L20" class="LineNr"> 20 </span><span class="traceContains">+mem: storing 23 in location 1</span>
<span id="L21" class="LineNr"> 21 </span>
<span id="L22" class="LineNr"> 22 </span><span class="Delimiter">:(scenario copy)</span>
<span id="L23" class="LineNr"> 23 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L24" class="LineNr"> 24 </span> <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span>
<span id="L25" class="LineNr"> 25 </span> <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:num
<span id="L26" class="LineNr"> 26 </span>]
<span id="L27" class="LineNr"> 27 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- copy {1: &quot;number&quot;}</span>
<span id="L28" class="LineNr"> 28 </span><span class="traceContains">+mem: location 1 is 23</span>
<span id="L29" class="LineNr"> 29 </span><span class="traceContains">+mem: storing 23 in location 2</span>
<span id="L30" class="LineNr"> 30 </span>
<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">:(scenario copy_multiple)</span>
<span id="L32" class="LineNr"> 32 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L33" class="LineNr"> 33 </span> <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span><span class="Delimiter">,</span> <span class="Constant">24</span>
<span id="L34" class="LineNr"> 34 </span>]
<span id="L35" class="LineNr"> 35 </span><span class="traceContains">+mem: storing 23 in location 1</span>
<span id="L36" class="LineNr"> 36 </span><span class="traceContains">+mem: storing 24 in location 2</span>
<span id="L37" class="LineNr"> 37 </span>
<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
<span id="L39" class="LineNr"> 39 </span><span class="Comment">// Book-keeping while running a recipe.</span>
<span id="L40" class="LineNr"> 40 </span><span class="Comment">//: Later layers will replace this to support running multiple routines at once.</span>
<span id="L41" class="LineNr"> 41 </span><span class="Normal">struct</span> routine <span class="Delimiter">{</span>
<span id="L42" class="LineNr"> 42 </span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> running_recipe<span class="Delimiter">;</span>
<span id="L43" class="LineNr"> 43 </span> <span class="Normal">int</span> running_step_index<span class="Delimiter">;</span>
<span id="L44" class="LineNr"> 44 </span> routine<span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> :running_recipe<span class="Delimiter">(</span>r<span class="Delimiter">),</span> running_step_index<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
<span id="L45" class="LineNr"> 45 </span> <span class="Normal">bool</span> completed<span class="Delimiter">()</span> <span class="Normal">const</span><span class="Delimiter">;</span>
<span id="L46" class="LineNr"> 46 </span> <span class="Normal">const</span> vector&lt;instruction&gt;&amp; steps<span class="Delimiter">()</span> <span class="Normal">const</span><span class="Delimiter">;</span>
<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">};</span>
<span id="L48" class="LineNr"> 48 </span>
<span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L50" class="LineNr"> 50 </span>routine* <span class="Special">Current_routine</span> = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L51" class="LineNr"> 51 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
<span id="L52" class="LineNr"> 52 </span><span class="Special">Current_routine</span> = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L53" class="LineNr"> 53 </span>
<span id="L54" class="LineNr"> 54 </span><span class="Delimiter">:(code)</span>
<span id="L55" class="LineNr"> 55 </span><span class="Normal">void</span> run<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L56" class="LineNr"> 56 </span> routine rr<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L57" class="LineNr"> 57 </span> <span class="Special">Current_routine</span> = &amp;rr<span class="Delimiter">;</span>
<span id="L58" class="LineNr"> 58 </span> run_current_routine<span class="Delimiter">();</span>
<span id="L59" class="LineNr"> 59 </span> <span class="Special">Current_routine</span> = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L60" class="LineNr"> 60 </span><span class="Delimiter">}</span>
<span id="L61" class="LineNr"> 61 </span>
<span id="L62" class="LineNr"> 62 </span><span class="Normal">void</span> run_current_routine<span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L63" class="LineNr"> 63 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='073scheduler.cc.html#L28'>should_continue_running</a><span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> <span class="Comment">// beware: may modify Current_routine</span>
<span id="L64" class="LineNr"> 64 </span> <span class="Comment">// Running One Instruction</span>
<span id="L65" class="LineNr"> 65 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>is_label<span class="Delimiter">)</span> <span class="Delimiter">{</span> ++current_step_index<span class="Delimiter">();</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Delimiter">}</span>
<span id="L66" class="LineNr"> 66 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Special">Initial_callstack_depth</span> + <span class="Special">Trace_stream</span><span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">())</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L67" class="LineNr"> 67 </span><span class="CommentedCode">//? if (Foo) cerr &lt;&lt; &quot;run: &quot; &lt;&lt; to_string(current_instruction()) &lt;&lt; '\n';</span>
<span id="L68" class="LineNr"> 68 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L69" class="LineNr"> 69 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;something wrote to location 0; this should never happen\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L70" class="LineNr"> 70 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L71" class="LineNr"> 71 </span> <span class="Delimiter">}</span>
<span id="L72" class="LineNr"> 72 </span> <span class="Comment">// read all ingredients from memory, each potentially spanning multiple locations</span>
<span id="L73" class="LineNr"> 73 </span> vector&lt;vector&lt;<span class="Normal">double</span>&gt; &gt; ingredients<span class="Delimiter">;</span>
<span id="L74" class="LineNr"> 74 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>should_copy_ingredients<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L75" class="LineNr"> 75 </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 id="L76" class="LineNr"> 76 </span> ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>read_memory<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 id="L77" class="LineNr"> 77 </span> <span class="Delimiter">}</span>
<span id="L78" class="LineNr"> 78 </span> <span class="Comment">// instructions below will write to 'products'</span>
<span id="L79" class="LineNr"> 79 </span> vector&lt;vector&lt;<span class="Normal">double</span>&gt; &gt; products<span class="Delimiter">;</span>
<span id="L80" class="LineNr"> 80 </span> <span class="Comment">//: This will be a large switch that later layers will often insert cases</span>
<span id="L81" class="LineNr"> 81 </span> <span class="Comment">//: into. Never call 'continue' within it. Instead, we'll explicitly</span>
<span id="L82" class="LineNr"> 82 </span> <span class="Comment">//: control which of the following stages after the switch we run for each</span>
<span id="L83" class="LineNr"> 83 </span> <span class="Comment">//: instruction.</span>
<span id="L84" class="LineNr"> 84 </span> <span class="Normal">bool</span> write_products =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L85" class="LineNr"> 85 </span> <span class="Normal">bool</span> fall_through_to_next_instruction =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L86" class="LineNr"> 86 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L87" class="LineNr"> 87 </span> <span class="Comment">// Primitive Recipe Implementations</span>
<span id="L88" class="LineNr"> 88 </span> <span class="Normal">case</span> <a href='010vm.cc.html#L196'>COPY</a>: <span class="Delimiter">{</span>
<span id="L89" class="LineNr"> 89 </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#L225'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>products<span class="Delimiter">,</span> products<span class="Delimiter">.</span>begin<span class="Delimiter">()));</span>
<span id="L90" class="LineNr"> 90 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L91" class="LineNr"> 91 </span> <span class="Delimiter">}</span>
<span id="L92" class="LineNr"> 92 </span> <span class="Comment">// End Primitive Recipe Implementations</span>
<span id="L93" class="LineNr"> 93 </span> <span class="Normal">default</span>: <span class="Delimiter">{</span>
<span id="L94" class="LineNr"> 94 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;not a primitive op: &quot;</span> &lt;&lt; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L95" class="LineNr"> 95 </span> <span class="Delimiter">}</span>
<span id="L96" class="LineNr"> 96 </span> <span class="Delimiter">}</span>
<span id="L97" class="LineNr"> 97 </span> <span class="Comment">//: used by a later layer</span>
<span id="L98" class="LineNr"> 98 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>write_products<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L99" class="LineNr"> 99 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> &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>products<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L100" class="LineNr">100 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&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>products<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;: failed to write to all products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<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="L101" class="LineNr">101 </span> <span class="Delimiter">}</span>
<span id="L102" class="LineNr">102 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L103" class="LineNr">103 </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>products<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L104" class="LineNr">104 </span> <span class="Comment">// Writing Instruction Product(i)</span>
<span id="L105" class="LineNr">105 </span> write_memory<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<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="Delimiter">}</span>
<span id="L109" class="LineNr">109 </span> <span class="Comment">// End Running One Instruction</span>
<span id="L110" class="LineNr">110 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>fall_through_to_next_instruction<span class="Delimiter">)</span>
<span id="L111" class="LineNr">111 </span> ++current_step_index<span class="Delimiter">();</span>
<span id="L112" class="LineNr">112 </span> <span class="Delimiter">}</span>
<span id="L113" class="LineNr">113 </span> <span class="Normal">stop_running_current_routine</span>:<span class="Delimiter">;</span>
<span id="L114" class="LineNr">114 </span><span class="Delimiter">}</span>
<span id="L115" class="LineNr">115 </span>
<span id="L116" class="LineNr">116 </span><span class="Delimiter">:(code)</span>
<span id="L117" class="LineNr">117 </span><span class="Comment">//: hook replaced in a later layer</span>
<span id="L118" class="LineNr">118 </span><span class="Normal">bool</span> <a href='073scheduler.cc.html#L28'>should_continue_running</a><span class="Delimiter">(</span><span class="Normal">const</span> routine* current_routine<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L119" class="LineNr">119 </span> assert<span class="Delimiter">(</span>current_routine == <span class="Special">Current_routine</span><span class="Delimiter">);</span> <span class="Comment">// argument passed in just to make caller readable above</span>
<span id="L120" class="LineNr">120 </span> <span class="Identifier">return</span> !<span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>completed<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="Normal">bool</span> should_copy_ingredients<span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L124" class="LineNr">124 </span> <span class="Comment">// End should_copy_ingredients Special-cases</span>
<span id="L125" class="LineNr">125 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L126" class="LineNr">126 </span><span class="Delimiter">}</span>
<span id="L127" class="LineNr">127 </span>
<span id="L128" class="LineNr">128 </span><span class="Normal">bool</span> is_mu_scalar<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L129" class="LineNr">129 </span> <span class="Identifier">return</span> is_mu_scalar<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L130" class="LineNr">130 </span><span class="Delimiter">}</span>
<span id="L131" class="LineNr">131 </span><span class="Normal">bool</span> is_mu_scalar<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L132" class="LineNr">132 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L133" class="LineNr">133 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L134" class="LineNr">134 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L135" class="LineNr">135 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span>
<span id="L136" class="LineNr">136 </span> <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">;</span>
<span id="L137" class="LineNr">137 </span> <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>type<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L138" class="LineNr">138 </span><span class="Delimiter">}</span>
<span id="L139" class="LineNr">139 </span>
<span id="L140" class="LineNr">140 </span><span class="Normal">bool</span> is_mu_address<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L141" class="LineNr">141 </span> <span class="Comment">// End Preprocess is_mu_address(reagent r)</span>
<span id="L142" class="LineNr">142 </span> <span class="Identifier">return</span> is_mu_address<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L143" class="LineNr">143 </span><span class="Delimiter">}</span>
<span id="L144" class="LineNr">144 </span><span class="Normal">bool</span> is_mu_address<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L145" class="LineNr">145 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L146" class="LineNr">146 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>type<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L147" class="LineNr">147 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L148" class="LineNr">148 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L149" class="LineNr">149 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;invalid type &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L150" class="LineNr">150 </span> <span class="Identifier">return</span><span class="Constant"> false</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="Identifier">return</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == <span class="Special">Address_type_ordinal</span><span class="Delimiter">;</span>
<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="Comment">//: Some helpers.</span>
<span id="L156" class="LineNr">156 </span><span class="Comment">//: Important that they return references into the current routine.</span>
<span id="L157" class="LineNr">157 </span>
<span id="L158" class="LineNr">158 </span><span class="Comment">//: hook replaced in a later layer</span>
<span id="L159" class="LineNr">159 </span><span class="Normal">int</span>&amp; <a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L160" class="LineNr">160 </span> <span class="Identifier">return</span> <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>running_step_index<span class="Delimiter">;</span>
<span id="L161" class="LineNr">161 </span><span class="Delimiter">}</span>
<span id="L162" class="LineNr">162 </span>
<span id="L163" class="LineNr">163 </span><span class="Comment">//: hook replaced in a later layer</span>
<span id="L164" class="LineNr">164 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='026call.cc.html#L85'>currently_running_recipe</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L165" class="LineNr">165 </span> <span class="Identifier">return</span> <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">;</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="Comment">//: hook replaced in a later layer</span>
<span id="L169" class="LineNr">169 </span><span class="Normal">const</span> string&amp; <a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L170" class="LineNr">170 </span> <span class="Identifier">return</span> get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>name<span class="Delimiter">;</span>
<span id="L171" class="LineNr">171 </span><span class="Delimiter">}</span>
<span id="L172" class="LineNr">172 </span>
<span id="L173" class="LineNr">173 </span><span class="Comment">//: hook replaced in a later layer</span>
<span id="L174" class="LineNr">174 </span><span class="Normal">const</span> recipe&amp; <a href='026call.cc.html#L86'>current_recipe</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L175" class="LineNr">175 </span> <span class="Identifier">return</span> get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">);</span>
<span id="L176" class="LineNr">176 </span><span class="Delimiter">}</span>
<span id="L177" class="LineNr">177 </span>
<span id="L178" class="LineNr">178 </span><span class="Comment">//: hook replaced in a later layer</span>
<span id="L179" class="LineNr">179 </span><span class="Normal">const</span> instruction&amp; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L180" class="LineNr">180 </span> <span class="Identifier">return</span> get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> <span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>running_step_index<span class="Delimiter">);</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="Comment">//: hook replaced in a later layer</span>
<span id="L184" class="LineNr">184 </span><span class="Normal">bool</span> routine::completed<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
<span id="L185" class="LineNr">185 </span> <span class="Identifier">return</span> running_step_index &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>
<span id="L186" class="LineNr">186 </span><span class="Delimiter">}</span>
<span id="L187" class="LineNr">187 </span>
<span id="L188" class="LineNr">188 </span><span class="Comment">//: hook replaced in a later layer</span>
<span id="L189" class="LineNr">189 </span><span class="Normal">const</span> vector&lt;instruction&gt;&amp; routine::steps<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
<span id="L190" class="LineNr">190 </span> <span class="Identifier">return</span> get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">;</span>
<span id="L191" class="LineNr">191 </span><span class="Delimiter">}</span>
<span id="L192" class="LineNr">192 </span>
<span id="L193" class="LineNr">193 </span><span class="SalientComment">//:: Startup flow</span>
<span id="L194" class="LineNr">194 </span>
<span id="L195" class="LineNr">195 </span><span class="Delimiter">:(before &quot;End Mu Prelude&quot;)</span>
<span id="L196" class="LineNr">196 </span>load_file_or_directory<span class="Delimiter">(</span><span class="Constant">&quot;core.mu&quot;</span><span class="Delimiter">);</span>
<span id="L197" class="LineNr">197 </span><span class="CommentedCode">//? DUMP(&quot;&quot;);</span>
<span id="L198" class="LineNr">198 </span><span class="CommentedCode">//? exit(0);</span>
<span id="L199" class="LineNr">199 </span>
<span id="L200" class="LineNr">200 </span><span class="Comment">//: Step 2: load any .mu files provided at the commandline</span>
<span id="L201" class="LineNr">201 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
<span id="L202" class="LineNr">202 </span><span class="Comment">// Check For .mu Files</span>
<span id="L203" class="LineNr">203 </span><span class="Normal">if</span> <span class="Delimiter">(</span>argc &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L204" class="LineNr">204 </span> <span class="Comment">// skip argv[0]</span>
<span id="L205" class="LineNr">205 </span> ++argv<span class="Delimiter">;</span>
<span id="L206" class="LineNr">206 </span> --argc<span class="Delimiter">;</span>
<span id="L207" class="LineNr">207 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>argc &gt; <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L208" class="LineNr">208 </span> <span class="Comment">// ignore argv past '--'; that's commandline args for 'main'</span>
<span id="L209" class="LineNr">209 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>string<span class="Delimiter">(</span>*argv<span class="Delimiter">)</span> == <span class="Constant">&quot;--&quot;</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L210" class="LineNr">210 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>*argv<span class="Delimiter">,</span> <span class="Constant">&quot;--&quot;</span><span class="Delimiter">))</span>
<span id="L211" class="LineNr">211 </span> cerr &lt;&lt; <span class="Constant">&quot;treating &quot;</span> &lt;&lt; *argv &lt;&lt; <span class="Constant">&quot; as a file rather than an option\n&quot;</span><span class="Delimiter">;</span>
<span id="L212" class="LineNr">212 </span> load_file_or_directory<span class="Delimiter">(</span>*argv<span class="Delimiter">);</span>
<span id="L213" class="LineNr">213 </span> --argc<span class="Delimiter">;</span>
<span id="L214" class="LineNr">214 </span> ++argv<span class="Delimiter">;</span>
<span id="L215" class="LineNr">215 </span> <span class="Delimiter">}</span>
<span id="L216" class="LineNr">216 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Run_tests</span><span class="Delimiter">)</span> <span class="Special">Recipe</span><span class="Delimiter">.</span>erase<span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">));</span>
<span id="L217" class="LineNr">217 </span><span class="Delimiter">}</span>
<span id="L218" class="LineNr">218 </span><a href='012transform.cc.html#L46'>transform_all</a><span class="Delimiter">();</span>
<span id="L219" class="LineNr">219 </span><span class="CommentedCode">//? cerr &lt;&lt; to_original_string(get(Type_ordinal, &quot;editor&quot;)) &lt;&lt; '\n';</span>
<span id="L220" class="LineNr">220 </span><span class="CommentedCode">//? cerr &lt;&lt; to_original_string(get(Recipe, get(Recipe_ordinal, &quot;event-loop&quot;))) &lt;&lt; '\n';</span>
<span id="L221" class="LineNr">221 </span><span class="CommentedCode">//? DUMP(&quot;&quot;);</span>
<span id="L222" class="LineNr">222 </span><span class="CommentedCode">//? exit(0);</span>
<span id="L223" class="LineNr">223 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L220'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L224" class="LineNr">224 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Trace_stream</span> &amp;&amp; <span class="Special">Run_tests</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L225" class="LineNr">225 </span> <span class="Comment">// We'll want a trace per test. Clear the trace.</span>
<span id="L226" class="LineNr">226 </span> <span class="Normal">delete</span> <span class="Special">Trace_stream</span><span class="Delimiter">;</span>
<span id="L227" class="LineNr">227 </span> <span class="Special">Trace_stream</span> = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L228" class="LineNr">228 </span><span class="Delimiter">}</span>
<span id="L229" class="LineNr">229 </span>save_snapshots<span class="Delimiter">();</span>
<span id="L230" class="LineNr">230 </span>
<span id="L231" class="LineNr">231 </span><span class="Comment">//: Step 3: if we aren't running tests, locate a recipe called 'main' and</span>
<span id="L232" class="LineNr">232 </span><span class="Comment">//: start running it.</span>
<span id="L233" class="LineNr">233 </span><span class="Delimiter">:(before &quot;End Main&quot;)</span>
<span id="L234" class="LineNr">234 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Special">Run_tests</span> &amp;&amp; <a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">)</span> &amp;&amp; <a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L235" class="LineNr">235 </span> <span class="Comment">// Running Main</span>
<span id="L236" class="LineNr">236 </span> <a href='000organization.cc.html#L134'>reset</a><span class="Delimiter">();</span>
<span id="L237" class="LineNr">237 </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;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;=== Starting to run&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L238" class="LineNr">238 </span> assert<span class="Delimiter">(</span><span class="Special">Num_calls_to_transform_all</span> == <span class="Constant">1</span><span class="Delimiter">);</span>
<span id="L239" class="LineNr">239 </span> <a href='073scheduler.cc.html#L122'>run_main</a><span class="Delimiter">(</span>argc<span class="Delimiter">,</span> argv<span class="Delimiter">);</span>
<span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
<span id="L241" class="LineNr">241 </span><span class="Delimiter">:(code)</span>
<span id="L242" class="LineNr">242 </span><span class="Normal">void</span> <a href='073scheduler.cc.html#L122'>run_main</a><span class="Delimiter">(</span><span class="Normal">int</span> argc<span class="Delimiter">,</span> <span class="Normal">char</span>* argv[]<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L243" class="LineNr">243 </span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r = get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">);</span>
<span id="L244" class="LineNr">244 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">)</span> run<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
<span id="L245" class="LineNr">245 </span><span class="Delimiter">}</span>
<span id="L246" class="LineNr">246 </span>
<span id="L247" class="LineNr">247 </span><span class="Delimiter">:(code)</span>
<span id="L248" class="LineNr">248 </span><span class="Normal">void</span> load_file_or_directory<span class="Delimiter">(</span>string filename<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L249" class="LineNr">249 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_directory<span class="Delimiter">(</span>filename<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L250" class="LineNr">250 </span> load_all<span class="Delimiter">(</span>filename<span class="Delimiter">);</span>
<span id="L251" class="LineNr">251 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L252" class="LineNr">252 </span> <span class="Delimiter">}</span>
<span id="L253" class="LineNr">253 </span> ifstream fin<span class="Delimiter">(</span>filename<span class="Delimiter">.</span>c_str<span class="Delimiter">());</span>
<span id="L254" class="LineNr">254 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!fin<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L255" class="LineNr">255 </span> cerr &lt;&lt; <span class="Constant">&quot;no such file '&quot;</span> &lt;&lt; filename &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> <span class="Comment">// don't raise, just warn. just in case it's just a name for a scenario to run.</span>
<span id="L256" class="LineNr">256 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L257" class="LineNr">257 </span> <span class="Delimiter">}</span>
<span id="L258" class="LineNr">258 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9990</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;=== &quot;</span> &lt;&lt; filename &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L259" class="LineNr">259 </span> load<span class="Delimiter">(</span>fin<span class="Delimiter">);</span>
<span id="L260" class="LineNr">260 </span> fin<span class="Delimiter">.</span>close<span class="Delimiter">();</span>
<span id="L261" class="LineNr">261 </span><span class="Delimiter">}</span>
<span id="L262" class="LineNr">262 </span>
<span id="L263" class="LineNr">263 </span><span class="Normal">bool</span> is_directory<span class="Delimiter">(</span>string path<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L264" class="LineNr">264 </span> <span class="Normal">struct</span> stat info<span class="Delimiter">;</span>
<span id="L265" class="LineNr">265 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>stat<span class="Delimiter">(</span>path<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> &amp;info<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> <span class="Comment">// error</span>
<span id="L266" class="LineNr">266 </span> <span class="Identifier">return</span> info<span class="Delimiter">.</span>st_mode &amp; S_IFDIR<span class="Delimiter">;</span>
<span id="L267" class="LineNr">267 </span><span class="Delimiter">}</span>
<span id="L268" class="LineNr">268 </span>
<span id="L269" class="LineNr">269 </span><span class="Normal">void</span> load_all<span class="Delimiter">(</span>string dir<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L270" class="LineNr">270 </span> dirent** files<span class="Delimiter">;</span>
<span id="L271" class="LineNr">271 </span> <span class="Normal">int</span> num_files = scandir<span class="Delimiter">(</span>dir<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> &amp;files<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">,</span> alphasort<span class="Delimiter">);</span>
<span id="L272" class="LineNr">272 </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; num_files<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L273" class="LineNr">273 </span> string curr_file = files[i]<span class="Delimiter">-&gt;</span>d_name<span class="Delimiter">;</span>
<span id="L274" class="LineNr">274 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>isdigit<span class="Delimiter">(</span>curr_file<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &amp;&amp; <a href='011load.cc.html#L186'>ends_with</a><span class="Delimiter">(</span>curr_file<span class="Delimiter">,</span> <span class="Constant">&quot;.mu&quot;</span><span class="Delimiter">))</span>
<span id="L275" class="LineNr">275 </span> load_file_or_directory<span class="Delimiter">(</span>dir+<span class="Constant">'/'</span>+curr_file<span class="Delimiter">);</span>
<span id="L276" class="LineNr">276 </span> free<span class="Delimiter">(</span>files[i]<span class="Delimiter">);</span>
<span id="L277" class="LineNr">277 </span> files[i] = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L278" class="LineNr">278 </span> <span class="Delimiter">}</span>
<span id="L279" class="LineNr">279 </span> free<span class="Delimiter">(</span>files<span class="Delimiter">);</span>
<span id="L280" class="LineNr">280 </span><span class="Delimiter">}</span>
<span id="L281" class="LineNr">281 </span>
<span id="L282" class="LineNr">282 </span><span class="Normal">bool</span> <a href='011load.cc.html#L186'>ends_with</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; pat<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L283" class="LineNr">283 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>string::const_reverse_iterator p = s<span class="Delimiter">.</span>rbegin<span class="Delimiter">(),</span> q = pat<span class="Delimiter">.</span>rbegin<span class="Delimiter">();</span> q != pat<span class="Delimiter">.</span>rend<span class="Delimiter">();</span> ++p<span class="Delimiter">,</span> ++q<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L284" class="LineNr">284 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p == s<span class="Delimiter">.</span>rend<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> <span class="Comment">// pat too long</span>
<span id="L285" class="LineNr">285 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*p != *q<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L286" class="LineNr">286 </span> <span class="Delimiter">}</span>
<span id="L287" class="LineNr">287 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L288" class="LineNr">288 </span><span class="Delimiter">}</span>
<span id="L289" class="LineNr">289 </span>
<span id="L290" class="LineNr">290 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
<span id="L291" class="LineNr">291 </span><span class="Comment">#include &lt;dirent.h&gt;</span>
<span id="L292" class="LineNr">292 </span><span class="Comment">#include &lt;sys/stat.h&gt;</span>
<span id="L293" class="LineNr">293 </span>
<span id="L294" class="LineNr">294 </span><span class="SalientComment">//:: Reading from memory, writing to memory.</span>
<span id="L295" class="LineNr">295 </span>
<span id="L296" class="LineNr">296 </span><span class="Delimiter">:(code)</span>
<span id="L297" class="LineNr">297 </span>vector&lt;<span class="Normal">double</span>&gt; read_memory<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L298" class="LineNr">298 </span> <span class="Comment">// Begin Preprocess read_memory(x)</span>
<span id="L299" class="LineNr">299 </span> vector&lt;<span class="Normal">double</span>&gt; result<span class="Delimiter">;</span>
<span id="L300" class="LineNr">300 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">&quot;null&quot;</span><span class="Delimiter">)</span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">alloc id</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L301" class="LineNr">301 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L302" class="LineNr">302 </span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
<span id="L303" class="LineNr">303 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L304" class="LineNr">304 </span> <span class="Delimiter">}</span>
<span id="L305" class="LineNr">305 </span> <span class="Comment">// End Preprocess read_memory(x)</span>
<span id="L306" class="LineNr">306 </span> <span class="Normal">int</span> size = size_of<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span id="L307" class="LineNr">307 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> offset = <span class="Constant">0</span><span class="Delimiter">;</span> offset &lt; size<span class="Delimiter">;</span> ++offset<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L308" class="LineNr">308 </span> <span class="Normal">double</span> val = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> x<span class="Delimiter">.</span>value+offset<span class="Delimiter">);</span>
<span id="L309" class="LineNr">309 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value+offset &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>val<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L310" class="LineNr">310 </span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>val<span class="Delimiter">);</span>
<span id="L311" class="LineNr">311 </span> <span class="Delimiter">}</span>
<span id="L312" class="LineNr">312 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L313" class="LineNr">313 </span><span class="Delimiter">}</span>
<span id="L314" class="LineNr">314 </span>
<span id="L315" class="LineNr">315 </span><span class="Normal">void</span> write_memory<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x<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="L316" class="LineNr">316 </span> assert<span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">);</span> <span class="Comment">// run-time only</span>
<span id="L317" class="LineNr">317 </span> <span class="Comment">// Begin Preprocess write_memory(x, data)</span>
<span id="L318" class="LineNr">318 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L319" class="LineNr">319 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;can't write to '&quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'; no type\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L320" class="LineNr">320 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L321" class="LineNr">321 </span> <span class="Delimiter">}</span>
<span id="L322" class="LineNr">322 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L323" class="LineNr">323 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L324" class="LineNr">324 </span> <span class="Comment">// End Preprocess write_memory(x, data)</span>
<span id="L325" class="LineNr">325 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L326" class="LineNr">326 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;can't write to location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L327" class="LineNr">327 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L328" class="LineNr">328 </span> <span class="Delimiter">}</span>
<span id="L329" class="LineNr">329 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>size_mismatch<span class="Delimiter">(</span>x<span class="Delimiter">,</span> data<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L330" class="LineNr">330 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;size mismatch in storing to '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' (&quot;</span> &lt;&lt; size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;) at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<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="L331" class="LineNr">331 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L332" class="LineNr">332 </span> <span class="Delimiter">}</span>
<span id="L333" class="LineNr">333 </span> <span class="Comment">// End write_memory(x) Special-cases</span>
<span id="L334" class="LineNr">334 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> offset = <span class="Constant">0</span><span class="Delimiter">;</span> offset &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span> ++offset<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L335" class="LineNr">335 </span> assert<span class="Delimiter">(</span>x<span class="Delimiter">.</span>value+offset &gt; <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L336" class="LineNr">336 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value+offset &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L337" class="LineNr">337 </span><span class="CommentedCode">//? if (Foo) cerr &lt;&lt; &quot;mem: storing &quot; &lt;&lt; no_scientific(data.at(offset)) &lt;&lt; &quot; in location &quot; &lt;&lt; x.value+offset &lt;&lt; '\n';</span>
<span id="L338" class="LineNr">338 </span> <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Memory</span><span class="Delimiter">,</span> x<span class="Delimiter">.</span>value+offset<span class="Delimiter">,</span> data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">));</span>
<span id="L339" class="LineNr">339 </span> <span class="Delimiter">}</span>
<span id="L340" class="LineNr">340 </span><span class="Delimiter">}</span>
<span id="L341" class="LineNr">341 </span>
<span id="L342" class="LineNr">342 </span><span class="Delimiter">:(code)</span>
<span id="L343" class="LineNr">343 </span><span class="Normal">int</span> size_of<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L344" class="LineNr">344 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L345" class="LineNr">345 </span> <span class="Comment">// End size_of(reagent r) Special-cases</span>
<span id="L346" class="LineNr">346 </span> <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L347" class="LineNr">347 </span><span class="Delimiter">}</span>
<span id="L348" class="LineNr">348 </span><span class="Normal">int</span> size_of<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L349" class="LineNr">349 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L350" class="LineNr">350 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L351" class="LineNr">351 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// error value, but we'll raise it elsewhere</span>
<span id="L352" class="LineNr">352 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L353" class="LineNr">353 </span> <span class="Comment">// End size_of(type) Atom Special-cases</span>
<span id="L354" class="LineNr">354 </span> <span class="Delimiter">}</span>
<span id="L355" class="LineNr">355 </span> <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L356" class="LineNr">356 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L357" class="LineNr">357 </span> <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;invalid type &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L358" class="LineNr">358 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L359" class="LineNr">359 </span> <span class="Delimiter">}</span>
<span id="L360" class="LineNr">360 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == <span class="Special">Address_type_ordinal</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">2</span><span class="Delimiter">;</span> <span class="Comment">// address and alloc id</span>
<span id="L361" class="LineNr">361 </span> <span class="Comment">// End size_of(type) Non-atom Special-cases</span>
<span id="L362" class="LineNr">362 </span> <span class="Delimiter">}</span>
<span id="L363" class="LineNr">363 </span> <span class="Comment">// End size_of(type) Special-cases</span>
<span id="L364" class="LineNr">364 </span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L365" class="LineNr">365 </span><span class="Delimiter">}</span>
<span id="L366" class="LineNr">366 </span>
<span id="L367" class="LineNr">367 </span><span class="Normal">bool</span> size_mismatch<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<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="L368" class="LineNr">368 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L369" class="LineNr">369 </span> <span class="Comment">// End size_mismatch(x) Special-cases</span>
<span id="L370" class="LineNr">370 </span><span class="CommentedCode">//? if (size_of(x) != SIZE(data)) cerr &lt;&lt; size_of(x) &lt;&lt; &quot; vs &quot; &lt;&lt; SIZE(data) &lt;&lt; '\n';</span>
<span id="L371" class="LineNr">371 </span> <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>
<span id="L372" class="LineNr">372 </span><span class="Delimiter">}</span>
<span id="L373" class="LineNr">373 </span>
<span id="L374" class="LineNr">374 </span><span class="Normal">bool</span> is_literal<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L375" class="LineNr">375 </span> <span class="Identifier">return</span> is_literal<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L376" class="LineNr">376 </span><span class="Delimiter">}</span>
<span id="L377" class="LineNr">377 </span><span class="Normal">bool</span> is_literal<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L378" class="LineNr">378 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L379" class="LineNr">379 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L380" class="LineNr">380 </span> <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L381" class="LineNr">381 </span><span class="Delimiter">}</span>
<span id="L382" class="LineNr">382 </span>
<span id="L383" class="LineNr">383 </span><span class="Normal">bool</span> scalar<span class="Delimiter">(</span><span class="Normal">const</span> vector&lt;<span class="Normal">int</span>&gt;&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L384" class="LineNr">384 </span> <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L385" class="LineNr">385 </span><span class="Delimiter">}</span>
<span id="L386" class="LineNr">386 </span><span class="Normal">bool</span> scalar<span class="Delimiter">(</span><span class="Normal">const</span> vector&lt;<span class="Normal">double</span>&gt;&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L387" class="LineNr">387 </span> <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L388" class="LineNr">388 </span><span class="Delimiter">}</span>
<span id="L389" class="LineNr">389 </span>
<span id="L390" class="LineNr">390 </span><span class="Comment">// helper for tests</span>
<span id="L391" class="LineNr">391 </span><span class="Normal">void</span> run<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; form<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L392" class="LineNr">392 </span> vector&lt;recipe_ordinal&gt; tmp = load<span class="Delimiter">(</span>form<span class="Delimiter">);</span>
<span id="L393" class="LineNr">393 </span> <a href='012transform.cc.html#L46'>transform_all</a><span class="Delimiter">();</span>
<span id="L394" class="LineNr">394 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>tmp<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L395" class="LineNr">395 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L220'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L396" class="LineNr">396 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Save_trace</span> &amp;&amp; <span class="Special">Trace_stream</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="L397" class="LineNr">397 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L398" class="LineNr">398 </span> <span class="Delimiter">}</span>
<span id="L399" class="LineNr">399 </span> <span class="Comment">// if a test defines main, it probably wants to start there regardless of</span>
<span id="L400" class="LineNr">400 </span> <span class="Comment">// definition order</span>
<span id="L401" class="LineNr">401 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">)))</span>
<span id="L402" class="LineNr">402 </span> run<span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">));</span>
<span id="L403" class="LineNr">403 </span> <span class="Normal">else</span>
<span id="L404" class="LineNr">404 </span> run<span class="Delimiter">(</span>tmp<span class="Delimiter">.</span>front<span class="Delimiter">());</span>
<span id="L405" class="LineNr">405 </span><span class="Delimiter">}</span>
<span id="L406" class="LineNr">406 </span>
<span id="L407" class="LineNr">407 </span><span class="Delimiter">:(scenario run_label)</span>
<span id="L408" class="LineNr">408 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L409" class="LineNr">409 </span> +foo
<span id="L410" class="LineNr">410 </span> <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span>
<span id="L411" class="LineNr">411 </span> <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:num
<span id="L412" class="LineNr">412 </span>]
<span id="L413" class="LineNr">413 </span><span class="traceContains">+run: {1: &quot;number&quot;} &lt;- copy {23: &quot;literal&quot;}</span>
<span id="L414" class="LineNr">414 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- copy {1: &quot;number&quot;}</span>
<span id="L415" class="LineNr">415 </span><span class="traceAbsent">-run: +foo</span>
<span id="L416" class="LineNr">416 </span>
<span id="L417" class="LineNr">417 </span><span class="Delimiter">:(scenario run_dummy)</span>
<span id="L418" class="LineNr">418 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L419" class="LineNr">419 </span> _<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
<span id="L420" class="LineNr">420 </span>]
<span id="L421" class="LineNr">421 </span><span class="traceContains">+run: _ &lt;- copy {0: &quot;literal&quot;}</span>
<span id="L422" class="LineNr">422 </span>
<span id="L423" class="LineNr">423 </span><span class="Delimiter">:(scenario run_null)</span>
<span id="L424" class="LineNr">424 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L425" class="LineNr">425 </span> <span class="Constant">1</span>:&amp;:num<span class="Special"> &lt;- </span>copy<span class="Constant"> null</span>
<span id="L426" class="LineNr">426 </span>]
<span id="L427" class="LineNr">427 </span>
<span id="L428" class="LineNr">428 </span><span class="Delimiter">:(scenario write_to_0_disallowed)</span>
<span id="L429" class="LineNr">429 </span><span class="Special">% Hide_errors = true;</span>
<span id="L430" class="LineNr">430 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L431" class="LineNr">431 </span> <span class="Constant">0</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L432" class="LineNr">432 </span>]
<span id="L433" class="LineNr">433 </span><span class="traceAbsent">-mem: storing 34 in location 0</span>
<span id="L434" class="LineNr">434 </span>
<span id="L435" class="LineNr">435 </span><span class="Comment">//: Mu is robust to various combinations of commas and spaces. You just have</span>
<span id="L436" class="LineNr">436 </span><span class="Comment">//: to put spaces around the '&lt;-'.</span>
<span id="L437" class="LineNr">437 </span>
<span id="L438" class="LineNr">438 </span><span class="Delimiter">:(scenario comma_without_space)</span>
<span id="L439" class="LineNr">439 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L440" class="LineNr">440 </span> <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">2</span><span class="Delimiter">,</span><span class="Constant">2</span>
<span id="L441" class="LineNr">441 </span>]
<span id="L442" class="LineNr">442 </span><span class="traceContains">+mem: storing 2 in location 1</span>
<span id="L443" class="LineNr">443 </span>
<span id="L444" class="LineNr">444 </span><span class="Delimiter">:(scenario space_without_comma)</span>
<span id="L445" class="LineNr">445 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L446" class="LineNr">446 </span> <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">2</span> <span class="Constant">2</span>
<span id="L447" class="LineNr">447 </span>]
<span id="L448" class="LineNr">448 </span><span class="traceContains">+mem: storing 2 in location 1</span>
<span id="L449" class="LineNr">449 </span>
<span id="L450" class="LineNr">450 </span><span class="Delimiter">:(scenario comma_before_space)</span>
<span id="L451" class="LineNr">451 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L452" class="LineNr">452 </span> <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>
<span id="L453" class="LineNr">453 </span>]
<span id="L454" class="LineNr">454 </span><span class="traceContains">+mem: storing 2 in location 1</span>
<span id="L455" class="LineNr">455 </span>
<span id="L456" class="LineNr">456 </span><span class="Delimiter">:(scenario comma_after_space)</span>
<span id="L457" class="LineNr">457 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L458" class="LineNr">458 </span> <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">2</span> <span class="Delimiter">,</span><span class="Constant">2</span>
<span id="L459" class="LineNr">459 </span>]
<span id="L460" class="LineNr">460 </span><span class="traceContains">+mem: storing 2 in location 1</span>
<span id="L461" class="LineNr">461 </span>
<span id="L462" class="LineNr">462 </span><span class="SalientComment">//:: Counters for trying to understand where Mu programs are spending their</span>
<span id="L463" class="LineNr">463 </span><span class="SalientComment">//:: time.</span>
<span id="L464" class="LineNr">464 </span>
<span id="L465" class="LineNr">465 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
<span id="L466" class="LineNr">466 </span><span class="Normal">bool</span> <span class="Special">Run_profiler</span> =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L467" class="LineNr">467 </span><span class="Comment">// We'll key profile information by recipe_ordinal rather than name because</span>
<span id="L468" class="LineNr">468 </span><span class="Comment">// it's more efficient, and because later layers will show more than just the</span>
<span id="L469" class="LineNr">469 </span><span class="Comment">// name of a recipe.</span>
<span id="L470" class="LineNr">470 </span><span class="Comment">//</span>
<span id="L471" class="LineNr">471 </span><span class="Comment">// One drawback: if you're clearing recipes your profile will be inaccurate.</span>
<span id="L472" class="LineNr">472 </span><span class="Comment">// So far that happens in tests, and in 'run-sandboxed' in a later layer.</span>
<span id="L473" class="LineNr">473 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> <span class="Normal">int</span>&gt; <span class="Special">Instructions_running</span><span class="Delimiter">;</span>
<span id="L474" class="LineNr">474 </span><span class="Delimiter">:(before &quot;End Commandline Options(*arg)&quot;)</span>
<span id="L475" class="LineNr">475 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L73'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">&quot;--profile&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L476" class="LineNr">476 </span> <span class="Special">Run_profiler</span> =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L477" class="LineNr">477 </span><span class="Delimiter">}</span>
<span id="L478" class="LineNr">478 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
<span id="L479" class="LineNr">479 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Run_profiler</span><span class="Delimiter">)</span> <span class="Special">Instructions_running</span>[currently_running_recipe<span class="Delimiter">()</span>]++<span class="Delimiter">;</span>
<span id="L480" class="LineNr">480 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
<span id="L481" class="LineNr">481 </span>atexit<span class="Delimiter">(</span>dump_profile<span class="Delimiter">);</span>
<span id="L482" class="LineNr">482 </span><span class="Delimiter">:(code)</span>
<span id="L483" class="LineNr">483 </span><span class="Normal">void</span> dump_profile<span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L484" class="LineNr">484 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Special">Run_profiler</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L485" class="LineNr">485 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Run_tests</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L486" class="LineNr">486 </span> cerr &lt;&lt; <span class="Constant">&quot;It's not a good idea to profile a run with tests, since tests can create conflicting recipes and mislead you. To try it anyway, comment out this check in the code.\n&quot;</span><span class="Delimiter">;</span>
<span id="L487" class="LineNr">487 </span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L488" class="LineNr">488 </span> <span class="Delimiter">}</span>
<span id="L489" class="LineNr">489 </span> ofstream fout<span class="Delimiter">;</span>
<span id="L490" class="LineNr">490 </span> fout<span class="Delimiter">.</span>open<span class="Delimiter">(</span><span class="Constant">&quot;profile.instructions&quot;</span><span class="Delimiter">);</span>
<span id="L491" class="LineNr">491 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>fout<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L492" class="LineNr">492 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;recipe_ordinal<span class="Delimiter">,</span> <span class="Normal">int</span>&gt;::iterator p = <span class="Special">Instructions_running</span><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <span class="Special">Instructions_running</span><span class="Delimiter">.</span><a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L493" class="LineNr">493 </span> fout &lt;&lt; std::setw<span class="Delimiter">(</span><span class="Constant">9</span><span class="Delimiter">)</span> &lt;&lt; p<span class="Delimiter">-&gt;</span>second &lt;&lt; <span class="Constant">' '</span> &lt;&lt; header_label<span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L494" class="LineNr">494 </span> <span class="Delimiter">}</span>
<span id="L495" class="LineNr">495 </span> <span class="Delimiter">}</span>
<span id="L496" class="LineNr">496 </span> fout<span class="Delimiter">.</span>close<span class="Delimiter">();</span>
<span id="L497" class="LineNr">497 </span> <span class="Comment">// End dump_profile</span>
<span id="L498" class="LineNr">498 </span><span class="Delimiter">}</span>
<span id="L499" class="LineNr">499 </span>
<span id="L500" class="LineNr">500 </span><span class="Comment">// overridden in a later layer</span>
<span id="L501" class="LineNr">501 </span>string header_label<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L502" class="LineNr">502 </span> <span class="Identifier">return</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>
<span id="L503" class="LineNr">503 </span><span class="Delimiter">}</span>
</pre>
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