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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 -> transform -> 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"> <- </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: "number"} <- copy {23: "literal"}</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"> <- </span>copy <span class="Constant">23</span>
<span id="L25" class="LineNr"> 25 </span> <span class="Constant">2</span>:num<span class="Special"> <- </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: "number"} <- copy {1: "number"}</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"> <- </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 "End Types")</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<instruction>& 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 "End Globals")</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 "End Reset")</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> = &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">-></span>callstack_depth<span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <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> << <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 << "run: " << to_string(current_instruction()) << '\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> << <span class="Constant">"something wrote to location 0; this should never happen\n"</span> << <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<vector<<span class="Normal">double</span>> > 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 < <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<vector<<span class="Normal">double</span>> > 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> << <span class="Constant">"not a primitive op: "</span> << <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation << <span class="cSpecial">'\n'</span> << <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> < <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> << <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>products<span class="Delimiter">)</span> << <span class="Constant">" vs "</span> << <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="Constant">": failed to write to all products in '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << <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 < <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">-></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">-></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">-></span>name != <span class="Constant">"literal-string"</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">-></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">-></span>left<span class="Delimiter">-></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> << <span class="Constant">"invalid type "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << <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">-></span>left<span class="Delimiter">-></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>& <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">-></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">-></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& <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">-></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& <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">-></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& <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">-></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">-></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 >= <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<instruction>& 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 "End Mu Prelude")</span>
<span id="L196" class="LineNr">196 </span>load_file_or_directory<span class="Delimiter">(</span><span class="Constant">"core.mu"</span><span class="Delimiter">);</span>
<span id="L197" class="LineNr">197 </span><span class="CommentedCode">//? DUMP("");</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 "End Commandline Parsing")</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 > <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 > <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">"--"</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">"--"</span><span class="Delimiter">))</span>
<span id="L211" class="LineNr">211 </span> cerr << <span class="Constant">"treating "</span> << *argv << <span class="Constant">" as a file rather than an option\n"</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">"main"</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 << to_original_string(get(Type_ordinal, "editor")) << '\n';</span>
<span id="L220" class="LineNr">220 </span><span class="CommentedCode">//? cerr << to_original_string(get(Recipe, get(Recipe_ordinal, "event-loop"))) << '\n';</span>
<span id="L221" class="LineNr">221 </span><span class="CommentedCode">//? DUMP("");</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> && <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 "End Main")</span>
<span id="L234" class="LineNr">234 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Special">Run_tests</span> && <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">"main"</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">"main"</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">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"=== Starting to run"</span> << <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">"main"</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 << <span class="Constant">"no such file '"</span> << filename << <span class="Constant">"'\n"</span> << <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">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"=== "</span> << filename << <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> &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 & 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> &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 < 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">-></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> && <a href='011load.cc.html#L186'>ends_with</a><span class="Delimiter">(</span>curr_file<span class="Delimiter">,</span> <span class="Constant">".mu"</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& s<span class="Delimiter">,</span> <span class="Normal">const</span> string& 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 "End Includes")</span>
<span id="L291" class="LineNr">291 </span><span class="Comment">#include <dirent.h></span>
<span id="L292" class="LineNr">292 </span><span class="Comment">#include <sys/stat.h></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<<span class="Normal">double</span>> 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<<span class="Normal">double</span>> 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">"null"</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 < 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">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"location "</span> << x<span class="Delimiter">.</span>value+offset << <span class="Constant">" is "</span> << no_scientific<span class="Delimiter">(</span>val<span class="Delimiter">)</span> << <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<<span class="Normal">double</span>>& 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> << <span class="Constant">"can't write to '"</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> << <span class="Constant">"'; no type\n"</span> << 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> << <span class="Constant">"can't write to location 0 in '"</span> << to_original_string<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << 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> << <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> << <span class="Constant">"size mismatch in storing to '"</span> << x<span class="Delimiter">.</span>original_string << <span class="Constant">"' ("</span> << size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> << <span class="Constant">" vs "</span> << <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">)</span> << <span class="Constant">") at '"</span> << to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> << <span class="Constant">"'\n"</span> << <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 < <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 > <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">"mem"</span><span class="Delimiter">)</span> << <span class="Constant">"storing "</span> << no_scientific<span class="Delimiter">(</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset<span class="Delimiter">))</span> << <span class="Constant">" in location "</span> << x<span class="Delimiter">.</span>value+offset << <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 << "mem: storing " << no_scientific(data.at(offset)) << " in location " << x.value+offset << '\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& 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">-></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">-></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">-></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">-></span>left<span class="Delimiter">-></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> << <span class="Constant">"invalid type "</span> << <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>type<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << <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">-></span>left<span class="Delimiter">-></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& x<span class="Delimiter">,</span> <span class="Normal">const</span> vector<<span class="Normal">double</span>>& 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 << size_of(x) << " vs " << SIZE(data) << '\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& 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">-></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">-></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<<span class="Normal">int</span>>& 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<<span class="Normal">double</span>>& 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& form<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L392" class="LineNr">392 </span> vector<recipe_ordinal> 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> && <span class="Special">Trace_stream</span><span class="Delimiter">)</span> <span class="Special">Trace_stream</span><span class="Delimiter">-></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">"main"</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">"main"</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"> <- </span>copy <span class="Constant">23</span>
<span id="L411" class="LineNr">411 </span> <span class="Constant">2</span>:num<span class="Special"> <- </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: "number"} <- copy {23: "literal"}</span>
<span id="L414" class="LineNr">414 </span><span class="traceContains">+run: {2: "number"} <- copy {1: "number"}</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"> <- </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: _ <- copy {0: "literal"}</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>:&:num<span class="Special"> <- </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"> <- </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 '<-'.</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"> <- </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"> <- </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"> <- </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"> <- </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 "End Globals")</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<recipe_ordinal<span class="Delimiter">,</span> <span class="Normal">int</span>> <span class="Special">Instructions_running</span><span class="Delimiter">;</span>
<span id="L474" class="LineNr">474 </span><span class="Delimiter">:(before "End Commandline Options(*arg)")</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">"--profile"</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 "Running One Instruction")</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 "End One-time Setup")</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 << <span class="Constant">"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"</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">"profile.instructions"</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<recipe_ordinal<span class="Delimiter">,</span> <span class="Normal">int</span>>::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 << std::setw<span class="Delimiter">(</span><span class="Constant">9</span><span class="Delimiter">)</span> << p<span class="Delimiter">-></span>second << <span class="Constant">' '</span> << header_label<span class="Delimiter">(</span>p<span class="Delimiter">-></span>first<span class="Delimiter">)</span> << <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>
</body>
</html>
<!-- vim: set foldmethod=manual : -->