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<a href='https://github.com/akkartik/mu/blob/master/013update_operation.cc'>https://github.com/akkartik/mu/blob/master/013update_operation.cc</a>
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<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Once all code is loaded, save operation ids of instructions and check that</span>
<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: nothing's undefined.</span>
<span id="L3" class="LineNr"> 3 </span>
<span id="L4" class="LineNr"> 4 </span><span class="Delimiter">:(before "End Instruction Modifying Transforms")</span>
<span id="L5" class="LineNr"> 5 </span><span class="Special">Transform</span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='013update_operation.cc.html#L8'>update_instruction_operations</a><span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="Delimiter">:(code)</span>
<span id="L8" class="LineNr"> 8 </span><span class="Normal">void</span> <a href='013update_operation.cc.html#L8'>update_instruction_operations</a><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="L9" class="LineNr"> 9 </span> <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"--- compute <a href='010vm.cc.html#L33'>instruction</a> operations for <a href='010vm.cc.html#L19'>recipe</a> "</span> << get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L10" class="LineNr">10 </span> recipe& caller = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L11" class="LineNr">11 </span><span class="CommentedCode">//? cerr << "--- compute instruction operations for recipe " << caller.name << '\n';</span>
<span id="L12" class="LineNr">12 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span> index < <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L13" class="LineNr">13 </span> instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
<span id="L14" class="LineNr">14 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L15" class="LineNr">15 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L16" class="LineNr">16 </span> <a href='003trace.cc.html#L196'>raise</a> << <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> << <span class="Constant">"instruction '"</span> << inst<span class="Delimiter">.</span>name << <span class="Constant">"' has no <a href='010vm.cc.html#L19'>recipe</a> in '"</span> << to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'\n"</span> << <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L17" class="LineNr">17 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L18" class="LineNr">18 </span> <span class="Delimiter">}</span>
<span id="L19" class="LineNr">19 </span> inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
<span id="L20" class="LineNr">20 </span> <span class="Comment">// End Instruction Operation Checks</span>
<span id="L21" class="LineNr">21 </span> <span class="Delimiter">}</span>
<span id="L22" class="LineNr">22 </span><span class="Delimiter">}</span>
<span id="L23" class="LineNr">23 </span>
<span id="L24" class="LineNr">24 </span><span class="Comment">// hook to suppress inserting recipe name into errors</span>
<span id="L25" class="LineNr">25 </span>string <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>string recipe_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L26" class="LineNr">26 </span> <span class="Comment">// End maybe(recipe_name) Special-cases</span>
<span id="L27" class="LineNr">27 </span> <span class="Identifier">return</span> recipe_name + <span class="Constant">": "</span><span class="Delimiter">;</span>
<span id="L28" class="LineNr">28 </span><span class="Delimiter">}</span>
<span id="L29" class="LineNr">29 </span>
<span id="L30" class="LineNr">30 </span><span class="Delimiter">:(scenarios transform)</span>
<span id="L31" class="LineNr">31 </span><span class="Delimiter">:(scenario missing_arrow)</span>
<span id="L32" class="LineNr">32 </span><span class="Special">% Hide_errors = true;</span>
<span id="L33" class="LineNr">33 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L34" class="LineNr">34 </span> <span class="Constant">1</span>:number <span class="Delimiter">,</span> copy <span class="Constant">0</span> <span class="Comment"># typo: ',' instead of '<-'</span>
<span id="L35" class="LineNr">35 </span>]
<span id="L36" class="LineNr">36 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: <a href='010vm.cc.html#L33'>instruction</a> '1:number' has no <a href='010vm.cc.html#L19'>recipe</a> in '1:number copy, 0'</span>
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