1
0
Fork 0
mirror of https://github.com/ganelson/inform.git synced 2024-07-05 16:44:21 +03:00
inform7/docs/core-module/16-cmw2.html
2020-04-07 01:06:09 +01:00

118 lines
9.2 KiB
HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>16/cmw</title>
<meta name="viewport" content="width=device-width initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en-gb">
<link href="../inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
</head>
<body>
<nav role="navigation">
<h1><a href="../webs.html">Sources</a></h1>
<ul>
<li><a href="../compiler.html"><b>compiler tools</b></a></li>
<li><a href="../other.html">other tools</a></li>
<li><a href="../extensions.html">extensions and kits</a></li>
<li><a href="../units.html">unit test tools</a></li>
</ul>
<h2>Compiler Webs</h2>
<ul>
<li><a href="../inbuild/index.html">inbuild</a></li>
<li><a href="../inform7/index.html">inform7</a></li>
<li><a href="../inter/index.html">inter</a></li>
</ul>
<h2>Inbuild Modules</h2>
<ul>
<li><a href="../inbuild-module/index.html">inbuild</a></li>
<li><a href="../arch-module/index.html">arch</a></li>
<li><a href="../words-module/index.html">words</a></li>
<li><a href="../syntax-module/index.html">syntax</a></li>
<li><a href="../html-module/index.html">html</a></li>
</ul>
<h2>Inform7 Modules</h2>
<ul>
<li><a href="../core-module/index.html">core</a></li>
<li><a href="../problems-module/index.html">problems</a></li>
<li><a href="../inflections-module/index.html">inflections</a></li>
<li><a href="../linguistics-module/index.html">linguistics</a></li>
<li><a href="../kinds-module/index.html">kinds</a></li>
<li><a href="../if-module/index.html">if</a></li>
<li><a href="../multimedia-module/index.html">multimedia</a></li>
<li><a href="../index-module/index.html">index</a></li>
</ul>
<h2>Inter Modules</h2>
<ul>
<li><a href="../inter-module/index.html">inter</a></li>
<li><a href="../building-module/index.html">building</a></li>
<li><a href="../codegen-module/index.html">codegen</a></li>
</ul>
<h2>Foundation</h2>
<ul>
<li><a href="../../../inweb/docs/foundation-module/index.html">foundation</a></li>
</ul>
</nav>
<main role="main">
<!--Weave of '16/cmw2' generated by 7-->
<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>
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. </b>A modest temporary array is needed to tally up the memory cost of creating
objects of given kinds, for the sake of the index:
</p>
<pre class="display">
<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>
<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>
<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="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>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"rough_array_memory_used unallocated"</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">)-&gt;</span><span class="identifier">allocation_id</span><span class="plain">] = </span><span class="identifier">words_used</span><span class="plain">;</span>
<span class="plain">}</span>
<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>
<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>
<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>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"rough_array_memory_used unallocated"</span><span class="plain">);</span>
<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">)-&gt;</span><span class="identifier">allocation_id</span><span class="plain">];</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function World::Compile::set_rough_memory_usage is used in 15/epv (<a href="15-epv.html#SP1">&#167;1</a>).</p>
<p class="endnote">The function World::Compile::get_rough_memory_usage is used in 15/epv (<a href="15-epv.html#SP1">&#167;1</a>).</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. </b>The actual compilation is entirely delegated: we ask if the plugins want
to write anything, then put the same question to the subjects.
</p>
<pre class="display">
<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>
<span class="functiontext">Plugins::Call::compile_model_tables</span><span class="plain">();</span>
<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>
<span class="identifier">rough_array_memory_used</span><span class="plain"> = (</span><span class="reserved">int</span><span class="plain"> *)</span>
<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>
<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">&lt;</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>
<span class="functiontext">InferenceSubjects::compile_all</span><span class="plain">();</span>
<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>
<span class="identifier">rough_array_memory_used</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function World::Compile::compile is used in 1/htc (<a href="1-htc.html#SP2_8">&#167;2.8</a>).</p>
<hr class="tocbar">
<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">
<!--End of weave-->
</main>
</body>
</html>