html/013update_operation.cc.html


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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 &quot;End Instruction Modifying Transforms&quot;)</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">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- compute instruction operations for recipe &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; end<span class="Delimiter">();</span>
  recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span class="CommentedCode">//?   cerr &lt;&lt; &quot;--- compute instruction operations for recipe &quot; &lt;&lt; caller.name &lt;&lt; '\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 &lt; 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&amp; 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 &lt;&lt; maybe<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' has no recipe</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; 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 (for later layers)</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">&quot;: &quot;</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 '&lt;-'</span>
]
<span class="traceContains">+error: main: instruction '1:number' has no recipe</span>
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