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<pre id='vimCodeElement'>
<span class="Comment">//: Once all code is loaded, save operation ids of instructions and check that</span>
<span class="Comment">//: nothing's undefined.</span>
<span class="Delimiter">:(before "End Instruction Modifying Transforms")</span>
Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>update_instruction_operations<span class="Delimiter">);</span> <span class="Comment">// idempotent</span>
<span class="Delimiter">:(code)</span>
<span class="Normal">void</span> update_instruction_operations<span class="Delimiter">(</span><span class="Normal">const</span> recipe_ordinal r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
trace<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 instruction operations for recipe "</span> << get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name << end<span class="Delimiter">();</span>
recipe& caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span class="CommentedCode">//? cerr << "--- compute instruction operations for recipe " << caller.name << '\n';</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 < SIZE<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span> ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
instruction& inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</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 class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
raise << maybe<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 recipe</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span>
<span class="Identifier">continue</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
<span class="Comment">// End Instruction Operation Checks</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Comment">// hook to suppress inserting recipe name into errors</span>
string maybe<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span class="Identifier">return</span> s + <span class="Constant">": "</span><span class="Delimiter">;</span>
<span class="Delimiter">}</span>
<span class="Delimiter">:(scenarios transform)</span>
<span class="Delimiter">:(scenario missing_arrow)</span>
<span class="Special">% Hide_errors = true;</span>
<span class="muRecipe">def</span> main [
<span class="Constant">1</span>:number <span class="Delimiter">,</span> copy <span class="Constant">0</span> <span class="Comment"># typo: ',' instead of '<-'</span>
]
<span class="traceContains">+error: main: instruction '1:number' has no recipe</span>
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