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<!--Weave of '16/cmw2' generated by 7-->
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<ul class="crumbs"><li><a href="../webs.html">Source</a></li><li><a href="../compiler.html">Compiler Modules</a></li><li><a href="index.html">core</a></li><li><a href="index.html#16">Chapter 16: Inference and Model</a></li><li><b>Compile Model World</b></li></ul><p class="purpose">To manage the compilation of the diverse run-time arrays and/or code needed to set up the initial state of the model world.</p>
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<p class="inwebparagraph"><a id="SP1"></a><b>§1. </b>A modest temporary array is needed to tally up the memory cost of creating
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objects of given kinds, for the sake of the index:
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</p>
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<pre class="display">
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<span class="reserved">int</span><span class="plain"> *</span><span class="identifier">rough_array_memory_used</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">; </span><span class="comment">in words, not bytes; for kinds only</span>
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">World::Compile::set_rough_memory_usage</span><span class="plain">(</span><span class="identifier">kind</span><span class="plain"> *</span><span class="identifier">K</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">words_used</span><span class="plain">) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">K</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">rough_array_memory_used</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">)</span>
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<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"rough_array_memory_used unallocated"</span><span class="plain">);</span>
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<span class="identifier">rough_array_memory_used</span><span class="plain">[</span><span class="identifier">Kinds::get_construct</span><span class="plain">(</span><span class="identifier">K</span><span class="plain">)-></span><span class="identifier">allocation_id</span><span class="plain">] = </span><span class="identifier">words_used</span><span class="plain">;</span>
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<span class="plain">}</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">World::Compile::get_rough_memory_usage</span><span class="plain">(</span><span class="identifier">kind</span><span class="plain"> *</span><span class="identifier">K</span><span class="plain">) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">K</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="constant">0</span><span class="plain">;</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">rough_array_memory_used</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">)</span>
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<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"rough_array_memory_used unallocated"</span><span class="plain">);</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rough_array_memory_used</span><span class="plain">[</span><span class="identifier">Kinds::get_construct</span><span class="plain">(</span><span class="identifier">K</span><span class="plain">)-></span><span class="identifier">allocation_id</span><span class="plain">];</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function World::Compile::set_rough_memory_usage is used in 15/epv (<a href="15-epv.html#SP1">§1</a>).</p>
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<p class="endnote">The function World::Compile::get_rough_memory_usage is used in 15/epv (<a href="15-epv.html#SP1">§1</a>).</p>
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<p class="inwebparagraph"><a id="SP2"></a><b>§2. </b>The actual compilation is entirely delegated: we ask if the plugins want
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to write anything, then put the same question to the subjects.
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</p>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">World::Compile::compile</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
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<span class="functiontext">Plugins::Call::compile_model_tables</span><span class="plain">();</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">nc</span><span class="plain"> = </span><span class="identifier">NUMBER_CREATED</span><span class="plain">(</span><span class="identifier">kind_constructor</span><span class="plain">), </span><span class="identifier">i</span><span class="plain">;</span>
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<span class="identifier">rough_array_memory_used</span><span class="plain"> = (</span><span class="reserved">int</span><span class="plain"> *)</span>
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<span class="plain">(</span><span class="identifier">Memory::I7_calloc</span><span class="plain">(</span><span class="identifier">nc</span><span class="plain">, </span><span class="reserved">sizeof</span><span class="plain">(</span><span class="reserved">int</span><span class="plain">), </span><span class="constant">COMPILATION_SIZE_MREASON</span><span class="plain">));</span>
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<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">i</span><span class="plain">=0; </span><span class="identifier">i</span><span class="plain"><</span><span class="identifier">nc</span><span class="plain">; </span><span class="identifier">i</span><span class="plain">++) </span><span class="identifier">rough_array_memory_used</span><span class="plain">[</span><span class="identifier">i</span><span class="plain">] = </span><span class="constant">0</span><span class="plain">;</span>
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<span class="functiontext">InferenceSubjects::compile_all</span><span class="plain">();</span>
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<span class="identifier">Memory::I7_array_free</span><span class="plain">(</span><span class="identifier">rough_array_memory_used</span><span class="plain">, </span><span class="constant">COMPILATION_SIZE_MREASON</span><span class="plain">, </span><span class="identifier">nc</span><span class="plain">, </span><span class="reserved">sizeof</span><span class="plain">(</span><span class="reserved">int</span><span class="plain">));</span>
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<span class="identifier">rough_array_memory_used</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function World::Compile::compile is used in 1/htc (<a href="1-htc.html#SP2_8">§2.8</a>).</p>
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<hr class="tocbar">
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<ul class="toc"><li><a href="16-cmw.html">Back to 'Complete Model World'</a></li><li><a href="16-ic.html">Continue with 'Instance Counting'</a></li></ul><hr class="tocbar">
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