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Graham Nelson f530783708 Fix for Jira bug I7-2084
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Instances</title>
<link href="../docs-assets/Breadcrumbs.css" rel="stylesheet" rev="stylesheet" type="text/css">
<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="../docs-assets/Contents.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Progress.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Navigation.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Fonts.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Base.css" rel="stylesheet" rev="stylesheet" type="text/css">
<script>
function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
</script>
<link href="../docs-assets/Popups.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
<link href="../docs-assets/Preform-Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
</head>
<body class="commentary-font">
<nav role="navigation">
<h1><a href="../index.html">
<img src="../docs-assets/Inform.png" height=72">
</a></h1>
<ul><li><a href="../index.html">home</a></li>
</ul><h2>Compiler</h2><ul>
<li><a href="../structure.html">structure</a></li>
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</ul><h2>Related Projects</h2><ul>
<li><a href="../../../inweb/index.html">inweb</a></li>
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<main role="main">
<!--Weave of 'Instances' generated by Inweb-->
<div class="breadcrumbs">
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../inform7n.html">Inform7</a></li><li><a href="index.html">runtime</a></li><li><a href="index.html#5">Chapter 5: Provision Submodules</a></li><li><b>Instances</b></li></ul></div>
<p class="purpose">To compile the instances submodule for a compilation unit, which contains _instance packages.</p>
<ul class="toc"><li><a href="5-ins.html#SP1">&#167;1. Compilation data</a></li><li><a href="5-ins.html#SP3">&#167;3. Compilation</a></li><li><a href="5-ins.html#SP5">&#167;5. Condition element</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. Compilation data. </b>Each <span class="extract"><span class="extract-syntax">instance</span></span> object contains this data:
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">instance_compilation_data</span><span class="plain-syntax"> {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">package_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">instance_package</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">instance_iname</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">linked_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">usages</span><span class="plain-syntax">; </span><span class="comment-syntax"> of </span><span class="extract"><span class="extract-syntax">parse_node</span></span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">declaration_sequence_number</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">instance_compilation_data</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">instance_compilation_data</span><span class="plain-syntax"> </span><span class="function-syntax">RTInstances::new_compilation_data</span><span class="plain-syntax">(</span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">instance_compilation_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">icd</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">icd</span><span class="plain-syntax">.</span><span class="element-syntax">instance_package</span><span class="plain-syntax"> = </span><a href="2-hrr.html#SP19" class="function-link"><span class="function-syntax">Hierarchy::local_package</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INSTANCES_HAP</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Nouns::nominative</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">as_noun</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">icd</span><span class="plain-syntax">.</span><span class="element-syntax">instance_iname</span><span class="plain-syntax"> = </span><a href="2-hrr.html#SP13" class="function-link"><span class="function-syntax">Hierarchy::make_iname_with_memo</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INSTANCE_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">icd</span><span class="plain-syntax">.</span><span class="element-syntax">instance_package</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">icd</span><span class="plain-syntax">.</span><span class="element-syntax">declaration_sequence_number</span><span class="plain-syntax"> = -1;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">icd</span><span class="plain-syntax">.</span><span class="element-syntax">usages</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NEW_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ni.html#SP3" class="function-link"><span class="function-syntax">NounIdentifiers::set_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">as_noun</span><span class="plain-syntax">, </span><span class="identifier-syntax">icd</span><span class="plain-syntax">.</span><span class="element-syntax">instance_iname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP17" class="function-link"><span class="function-syntax">Hierarchy::make_available_one_per_name_only</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">icd</span><span class="plain-syntax">.</span><span class="element-syntax">instance_iname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">icd</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="function-syntax">RTInstances::value_iname</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">RTInstances::value_iname</span></span>:<br/><a href="5-ins.html#SP4">&#167;4</a>, <a href="5-ins.html#SP5">&#167;5</a><br/>Default Values - <a href="2-dv.html#SP2_4">&#167;2.4</a><br/>Instance Counting - <a href="2-ic.html#SP8">&#167;8</a><br/>Short Names - <a href="2-sn.html#SP4_1">&#167;4.1</a><br/>List Literals - <a href="4-ll.html#SP7_2">&#167;7.2</a><br/>Stored Action Literals - <a href="4-sal.html#SP1">&#167;1</a><br/>Backdrop Instances - <a href="5-bi.html#SP2_1">&#167;2.1</a><br/>Door Instances - <a href="5-di.html#SP3">&#167;3</a>, <a href="5-di.html#SP5">&#167;5</a>, <a href="5-di.html#SP6">&#167;6</a><br/>Region Instances - <a href="5-ri.html#SP2">&#167;2</a><br/>Scene Instances - <a href="5-si.html#SP1">&#167;1</a><br/>Rulebooks - <a href="5-rlb.html#SP7_1">&#167;7.1</a><br/>Kind Constructors - <a href="5-kc.html#SP10_8_3">&#167;10.8.3</a><br/>Test Scripts - <a href="5-ts.html#SP4">&#167;4</a><br/>The Player - <a href="6-tp.html#SP1">&#167;1</a><br/>The Map - <a href="6-tm.html#SP1">&#167;1</a>, <a href="6-tm.html#SP2">&#167;2</a><br/>Property Permissions - <a href="6-pp.html#SP1">&#167;1</a>, <a href="6-pp.html#SP3">&#167;3</a><br/>Mapping Hints - <a href="6-mh.html#SP1">&#167;1</a><br/>Kind GPRs - <a href="7-kg.html#SP5_1_1_1">&#167;5.1.1.1</a>, <a href="7-kg.html#SP5_1_1_2">&#167;5.1.1.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">I</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">instance_iname</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="identifier-syntax">package_request</span><span class="plain-syntax"> *</span><span class="function-syntax">RTInstances::package</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">RTInstances::package</span></span>:<br/><a href="5-ins.html#SP4">&#167;4</a><br/>Short Names - <a href="2-sn.html#SP3">&#167;3</a><br/>Backdrop Instances - <a href="5-bi.html#SP1">&#167;1</a><br/>Door Instances - <a href="5-di.html#SP2">&#167;2</a>, <a href="5-di.html#SP4">&#167;4</a>, <a href="5-di.html#SP6">&#167;6</a><br/>Region Instances - <a href="5-ri.html#SP1">&#167;1</a><br/>Scene Instances - <a href="5-si.html#SP1">&#167;1</a>, <a href="5-si.html#SP3">&#167;3</a>, <a href="5-si.html#SP7">&#167;7</a><br/>Multimedia - <a href="5-mlt.html#SP1">&#167;1</a>, <a href="5-mlt.html#SP2_3">&#167;2.3</a><br/>Property Permissions - <a href="6-pp.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">instance_package</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure instance_compilation_data is accessed in 5/kc and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b>It's perhaps ambiguous what a usage of an instance is, or where it occurs,
but this function is called each time the instance <span class="extract"><span class="extract-syntax">I</span></span> is compiled as a
constant value.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">RTInstances::note_usage</span><span class="plain-syntax">(</span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">NB</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">NB</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">where</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">where</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">usages</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">NB</span><span class="plain-syntax"> == </span><span class="identifier-syntax">where</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">ADD_TO_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">NB</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">usages</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3. Compilation. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">RTInstances::compile_all</span><span class="plain-syntax">(</span><span class="identifier-syntax">inference_subject_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">family</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">ignored</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-ins.html#SP3_1" class="named-paragraph-link"><span class="named-paragraph">Number instances in declaration order</span><span class="named-paragraph-number">3.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">instance</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">desc</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::new</span><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">desc</span><span class="plain-syntax">, </span><span class="string-syntax">"instance "</span><span class="plain-syntax">); </span><span class="identifier-syntax">Instances::write</span><span class="plain-syntax">(</span><span class="identifier-syntax">desc</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Sequence::queue</span><span class="plain-syntax">(&amp;</span><a href="5-ins.html#SP4" class="function-link"><span class="function-syntax">RTInstances::compilation_agent</span></a><span class="plain-syntax">, </span><span class="identifier-syntax">STORE_POINTER_instance</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">desc</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP3_1" class="paragraph-anchor"></a><b>&#167;3.1. </b>The code here assigns each instance <span class="extract"><span class="extract-syntax">I</span></span> a sequence number in such a way that
the object instances come out in a well-founded order spatially &mdash; that is,
so that each object X is followed immediately by its children (i.e., the
objects inside or on top of it).
</p>
<p class="commentary">This will be used to annotate the Inter tree so that the declaration order
can be recovered in code-generation, when it would otherwise be lost as
the various instances scatter all over the tree.
</p>
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Number instances in declaration order</span><span class="named-paragraph-number">3.1</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">n</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_INSTANCE_ORDERING</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">declaration_sequence_number</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">instance</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_object</span><span class="plain-syntax">(</span><span class="identifier-syntax">Instances::to_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">declaration_sequence_number</span><span class="plain-syntax"> = </span><span class="identifier-syntax">n</span><span class="plain-syntax">++;</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="5-ins.html#SP3">&#167;3</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. </b>This is really all metadata except for the actual instance declaration,
using Inter's <span class="extract"><span class="extract-syntax">INSTANCE_IST</span></span> instruction.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">RTInstances::compilation_agent</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">RTInstances::compilation_agent</span></span>:<br/><a href="5-ins.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">compilation_subtask</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RETRIEVE_POINTER_instance</span><span class="plain-syntax">(</span><span class="identifier-syntax">t</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">data</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">package_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pack</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">instance_package</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Instances::write_name</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_NAME_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax"> = </span><span class="identifier-syntax">PropertyInferences::value_and_where</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Instances::as_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">P_printed_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">Rvalues::is_CONSTANT_of_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">V</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_text</span><span class="plain-syntax">)) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::nonempty</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">V</span><span class="plain-syntax">)))) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">wn</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">V</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</span><span class="plain-syntax">, </span><span class="string-syntax">"%+W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Wordings::one_word</span><span class="plain-syntax">(</span><span class="identifier-syntax">wn</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::get_first_char</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</span><span class="plain-syntax">) == </span><span class="character-syntax">'\"'</span><span class="plain-syntax">) </span><span class="identifier-syntax">Str::delete_first_character</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::get_last_char</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</span><span class="plain-syntax">) == </span><span class="character-syntax">'\"'</span><span class="plain-syntax">) </span><span class="identifier-syntax">Str::delete_last_character</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_PRINTED_NAME_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">name</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">pname</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">abbrev</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="5-ins.html#SP4_2" class="named-paragraph-link"><span class="named-paragraph">Compose the abbreviated name</span><span class="named-paragraph-number">4.2</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_ABBREVIATION_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">abbrev</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">abbrev</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_AT_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">creating_sentence</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">C</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Instances::get_kind_set_sentence</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">C</span><span class="plain-syntax">) </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_KIND_SET_AT_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">C</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Spatial::progenitor_set_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">C</span><span class="plain-syntax">) </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_PROGENITOR_SET_AT_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">C</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Regions::in_region_set_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">C</span><span class="plain-syntax">) </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_REGION_SET_AT_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">C</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_VALUE_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">instance_iname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">kn_iname</span><span class="plain-syntax"> = </span><a href="2-hrr.html#SP12" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INSTANCE_KIND_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">pack</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Instances::to_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">KT</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">KT</span><span class="plain-syntax">, </span><span class="string-syntax">"%u"</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_INDEX_KIND_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">KT</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">KT</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">KC</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IK</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Instances::to_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">IK</span><span class="plain-syntax"> != </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">IK</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">IK</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Latticework::super</span><span class="plain-syntax">(</span><span class="identifier-syntax">IK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">j</span><span class="plain-syntax">=</span><span class="identifier-syntax">i</span><span class="plain-syntax">-1; </span><span class="identifier-syntax">j</span><span class="plain-syntax">&gt;=0; </span><span class="identifier-syntax">j</span><span class="plain-syntax">--) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">k</span><span class="plain-syntax">; </span><span class="identifier-syntax">IK</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Instances::to_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">k</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">k</span><span class="plain-syntax">&lt;</span><span class="identifier-syntax">j</span><span class="plain-syntax">; </span><span class="identifier-syntax">k</span><span class="plain-syntax">++) </span><span class="identifier-syntax">IK</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Latticework::super</span><span class="plain-syntax">(</span><span class="identifier-syntax">IK</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">j</span><span class="plain-syntax"> != </span><span class="identifier-syntax">i</span><span class="plain-syntax">-1) </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">KC</span><span class="plain-syntax">, </span><span class="string-syntax">" &amp;gt; "</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Kinds::Behaviour::get_name</span><span class="plain-syntax">(</span><span class="identifier-syntax">IK</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">KC</span><span class="plain-syntax">, </span><span class="string-syntax">"%+W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_INDEX_KIND_CHAIN_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">KC</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">KC</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="5-ki.html#SP6" class="function-link"><span class="function-syntax">RTKindIDs::define_constant_as_strong_id</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">kn_iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_KIND_XREF_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="5-kc.html#SP1" class="function-link"><span class="function-syntax">RTKindConstructors::xref_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">construct</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_subkind_of_object</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="constant-syntax">INSTANCE_IS_OBJECT_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K_sound_name</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">Kinds::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_sound_name</span><span class="plain-syntax">)))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="constant-syntax">INSTANCE_IS_SOUND_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K_figure_name</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">Kinds::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_figure_name</span><span class="plain-syntax">)))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="constant-syntax">INSTANCE_IS_FIGURE_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K_external_file</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">Kinds::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_external_file</span><span class="plain-syntax">)))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="constant-syntax">INSTANCE_IS_EXF_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Instances::of_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_thing</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_THING_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Instances::of_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_supporter</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_SUPPORTER_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Instances::of_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_person</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_PERSON_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Spatial::object_is_a_room</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_ROOM_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Map::instance_is_a_door</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_DOOR_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><span class="identifier-syntax">PropertyInferences::value_of</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Instances::as_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">P_other_side</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">S</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_DOOR_OTHER_SIDE_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Rvalues::to_object_instance</span><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IA</span><span class="plain-syntax"> = </span><span class="identifier-syntax">MAP_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">map_connection_a</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">IB</span><span class="plain-syntax"> = </span><span class="identifier-syntax">MAP_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">map_connection_b</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">IA</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_DOOR_SIDE_A_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IA</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">IB</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_DOOR_SIDE_B_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">IB</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Regions::object_is_a_region</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_REGION_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Map::object_is_a_direction</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_DIRECTION_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Map::get_value_of_opposite_property</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_OPPOSITE_DIRECTION_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Map::get_value_of_opposite_property</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Backdrops::object_is_a_backdrop</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">))</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_BACKDROP_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP4" class="function-link"><span class="function-syntax">RTInstances::xref_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_REGION_ENCLOSING_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">Regions::enclosing</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PluginManager::active</span><span class="plain-syntax">(</span><span class="identifier-syntax">spatial_plugin</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP4" class="function-link"><span class="function-syntax">RTInstances::xref_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_SIBLING_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">SPATIAL_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">object_tree_sibling</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP4" class="function-link"><span class="function-syntax">RTInstances::xref_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_CHILD_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">SPATIAL_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">object_tree_child</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP4" class="function-link"><span class="function-syntax">RTInstances::xref_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_PROGENITOR_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">Spatial::progenitor</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP4" class="function-link"><span class="function-syntax">RTInstances::xref_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_INCORP_SIBLING_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">SPATIAL_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">incorp_tree_sibling</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP4" class="function-link"><span class="function-syntax">RTInstances::xref_metadata</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_INCORP_CHILD_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">SPATIAL_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">incorp_tree_child</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Spatial::object_is_a_room</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">packaging_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">save</span><span class="plain-syntax"> = </span><a href="2-ea.html#SP2" class="function-link"><span class="function-syntax">EmitArrays::begin_word</span></a><span class="plain-syntax">(</span><a href="2-hrr.html#SP12" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INSTANCE_MAP_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">pack</span><span class="plain-syntax">), </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;</span><span class="identifier-syntax">Map::no_directions</span><span class="plain-syntax">(); </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">T</span><span class="plain-syntax"> = </span><span class="identifier-syntax">MAP_EXIT</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">I</span><span class="plain-syntax">) </span><a href="2-ea.html#SP4" class="function-link"><span class="function-syntax">EmitArrays::iname_entry</span></a><span class="plain-syntax">(</span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">T</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="2-ea.html#SP4" class="function-link"><span class="function-syntax">EmitArrays::numeric_entry</span></a><span class="plain-syntax">(0);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">at</span><span class="plain-syntax"> = </span><span class="identifier-syntax">MAP_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">exits_set_at</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">];</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">at</span><span class="plain-syntax">) </span><a href="2-ea.html#SP4" class="function-link"><span class="function-syntax">EmitArrays::numeric_entry</span></a><span class="plain-syntax">((</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">at</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="2-ea.html#SP4" class="function-link"><span class="function-syntax">EmitArrays::numeric_entry</span></a><span class="plain-syntax">(0);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-ea.html#SP5" class="function-link"><span class="function-syntax">EmitArrays::end</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Backdrops::object_is_a_backdrop</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">packaging_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">save</span><span class="plain-syntax"> = </span><a href="2-ea.html#SP2" class="function-link"><span class="function-syntax">EmitArrays::begin_word</span></a><span class="plain-syntax">(</span><a href="2-hrr.html#SP12" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INSTANCE_BACKDROP_PRESENCES_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">pack</span><span class="plain-syntax">), </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inference</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inf</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">POSITIVE_KNOWLEDGE_LOOP</span><span class="plain-syntax">(</span><span class="identifier-syntax">inf</span><span class="plain-syntax">, </span><span class="identifier-syntax">Instances::as_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">found_in_inf</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Backdrops::get_inferred_location</span><span class="plain-syntax">(</span><span class="identifier-syntax">inf</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ea.html#SP4" class="function-link"><span class="function-syntax">EmitArrays::iname_entry</span></a><span class="plain-syntax">(</span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">L</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-ea.html#SP5" class="function-link"><span class="function-syntax">EmitArrays::end</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">packaging_state</span><span class="plain-syntax"> </span><span class="identifier-syntax">save</span><span class="plain-syntax"> = </span><a href="2-ea.html#SP2" class="function-link"><span class="function-syntax">EmitArrays::begin_word</span></a><span class="plain-syntax">(</span><a href="2-hrr.html#SP12" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INSTANCE_USAGES_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">pack</span><span class="plain-syntax">), </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">k</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">at</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER_LINKED_LIST</span><span class="plain-syntax">(</span><span class="identifier-syntax">at</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">usages</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">source_file</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sf</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lexer::file_of_origin</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">at</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Projects::draws_from_source_file</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::project</span><span class="plain-syntax">(), </span><span class="identifier-syntax">sf</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="2-ea.html#SP4" class="function-link"><span class="function-syntax">EmitArrays::numeric_entry</span></a><span class="plain-syntax">((</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">at</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">k</span><span class="plain-syntax">++;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-ea.html#SP5" class="function-link"><span class="function-syntax">EmitArrays::end</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">save</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inference</span><span class="plain-syntax"> *</span><span class="identifier-syntax">inf</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">POSITIVE_KNOWLEDGE_LOOP</span><span class="plain-syntax">(</span><span class="identifier-syntax">inf</span><span class="plain-syntax">, </span><span class="identifier-syntax">Instances::as_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">property_inf</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PropertyInferences::get_property</span><span class="plain-syntax">(</span><span class="identifier-syntax">inf</span><span class="plain-syntax">) == </span><span class="identifier-syntax">P_worn</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_WORN_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">POSITIVE_KNOWLEDGE_LOOP</span><span class="plain-syntax">(</span><span class="identifier-syntax">inf</span><span class="plain-syntax">, </span><span class="identifier-syntax">Instances::as_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">found_everywhere_inf</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_EVERYWHERE_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="6-inf.html#SP1" class="function-link"><span class="function-syntax">RTInferences::index</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_BRIEF_INFERENCES_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">Instances::as_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="6-inf.html#SP3" class="function-link"><span class="function-syntax">RTInferences::index_specific</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_SPECIFIC_INFERENCES_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">Instances::as_subject</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">PluginManager::active</span><span class="plain-syntax">(</span><span class="identifier-syntax">spatial_plugin</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">SPATIAL_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)-&gt;</span><span class="identifier-syntax">part_flag</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_A_PART_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">I</span><span class="plain-syntax"> == </span><span class="identifier-syntax">I_yourself</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_YOURSELF_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">I</span><span class="plain-syntax"> == </span><span class="identifier-syntax">Spatial::get_benchmark_room</span><span class="plain-syntax">())</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_BENCHMARK_ROOM_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">I</span><span class="plain-syntax"> == </span><span class="identifier-syntax">Player::get_start_room</span><span class="plain-syntax">())</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">pack</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_IS_START_ROOM_MD_HL</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-sc.html#SP1" class="function-link"><span class="function-syntax">RTShowmeCommand::needed_for_instance</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">iname</span><span class="plain-syntax"> = </span><a href="2-hrr.html#SP12" class="function-link"><span class="function-syntax">Hierarchy::make_iname_in</span></a><span class="plain-syntax">(</span><span class="constant-syntax">INST_SHOWME_FN_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><a href="2-sc.html#SP3" class="function-link"><span class="function-syntax">RTShowmeCommand::compile_instance_showme_fn</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">),</span>
<span class="plain-syntax"> </span><span class="constant-syntax">INST_SHOWME_MD_HL</span><span class="plain-syntax">, </span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="2-emt.html#SP12" class="function-link"><span class="function-syntax">Emit::instance</span></a><span class="plain-syntax">(</span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">Instances::to_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">enumeration_index</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">declaration_sequence_number</span><span class="plain-syntax"> &gt;= </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">iname</span><span class="plain-syntax"> = </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">package_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">req</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::location</span><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">req</span><span class="plain-syntax">, </span><span class="constant-syntax">INSTANCE_DECLARATION_ORDER_MD_HL</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">compilation_data</span><span class="plain-syntax">.</span><span class="element-syntax">declaration_sequence_number</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="6-pp.html#SP3" class="function-link"><span class="function-syntax">RTPropertyPermissions::compile_permissions_for_instance</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="6-pv.html#SP1" class="function-link"><span class="function-syntax">RTPropertyValues::compile_values_for_instance</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::Behaviour::is_object</span><span class="plain-syntax">(</span><span class="identifier-syntax">Instances::to_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">))) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">AC</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Spatial::get_definition_depth</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inter_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">iname</span><span class="plain-syntax"> = </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">package_request</span><span class="plain-syntax"> *</span><span class="identifier-syntax">req</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InterNames::location</span><span class="plain-syntax">(</span><span class="identifier-syntax">iname</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">AC</span><span class="plain-syntax"> &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">req</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="constant-syntax">INSTANCE_SPATIAL_DEPTH_MD_HL</span><span class="plain-syntax">, (</span><span class="identifier-syntax">inter_ti</span><span class="plain-syntax">) </span><span class="identifier-syntax">AC</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><a href="5-ri.html#SP2" class="function-link"><span class="function-syntax">RTRegionInstances::compile_extra</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="5-bi.html#SP2" class="function-link"><span class="function-syntax">RTBackdropInstances::compile_extra</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="5-si.html#SP1" class="function-link"><span class="function-syntax">RTScenes::compile_extra</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">RTInstances::xref_metadata</span><span class="plain-syntax">(</span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">hl</span><span class="plain-syntax">, </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">X</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">X</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><a href="2-hrr.html#SP23" class="function-link"><span class="function-syntax">Hierarchy::apply_metadata_from_iname</span></a><span class="plain-syntax">(</span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::package</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">), </span><span class="identifier-syntax">hl</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">X</span><span class="plain-syntax">));</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP4_1" class="paragraph-anchor"></a><b>&#167;4.1. </b>When names are abbreviated for use on the World Index map (for instance,
"Marble Hallway" becomes "MH") each word is tested against the following
nonterminal; those which match are omitted. So, for instance, "Queen Of The
South" comes out as "QS".
</p>
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">ABBREV_ROOMS_TO</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span>
</pre>
<pre class="Preform-displayed-code all-displayed-code code-font">
<span class="Preform-function-syntax">&lt;map-name-abbreviation-omission-words&gt;</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax">&lt;article&gt;</span>
</pre>
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
<p class="commentary firstcommentary"><a id="SP4_2" class="paragraph-anchor"></a><b>&#167;4.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Compose the abbreviated name</span><span class="named-paragraph-number">4.2</span></span><span class="Preform-comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Instances::get_name</span><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::nonempty</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_WORDING</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">i</span><span class="plain-syntax"> &gt; </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) &amp;&amp; (</span><span class="identifier-syntax">i</span><span class="plain-syntax"> &lt; </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="function-syntax">&lt;map-name-abbreviation-omission-words&gt;</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::one_word</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">)))) </span><span class="reserved-syntax">continue</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lexer::word_raw_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax">++ &lt; </span><span class="constant-syntax">ABBREV_ROOMS_TO</span><span class="plain-syntax">) </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">abbrev</span><span class="plain-syntax">, </span><span class="identifier-syntax">Characters::toupper</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">[0]));</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_WORDING</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">i</span><span class="plain-syntax"> &gt; </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) &amp;&amp; (</span><span class="identifier-syntax">i</span><span class="plain-syntax"> &lt; </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="function-syntax">&lt;map-name-abbreviation-omission-words&gt;</span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::one_word</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">)))) </span><span class="reserved-syntax">continue</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lexer::word_raw_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">j</span><span class="plain-syntax">=1; </span><span class="identifier-syntax">p</span><span class="plain-syntax">[</span><span class="identifier-syntax">j</span><span class="plain-syntax">]; </span><span class="identifier-syntax">j</span><span class="plain-syntax">++)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Characters::vowel</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">[</span><span class="identifier-syntax">j</span><span class="plain-syntax">]) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax">++ &lt; </span><span class="constant-syntax">ABBREV_ROOMS_TO</span><span class="plain-syntax">) </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">abbrev</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">[</span><span class="identifier-syntax">j</span><span class="plain-syntax">]);</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">c</span><span class="plain-syntax">++ &lt; </span><span class="constant-syntax">ABBREV_ROOMS_TO</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[1])) </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">abbrev</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">[1]);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="5-ins.html#SP4">&#167;4</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5. Condition element. </b>This compiles a test of whether or not <span class="extract"><span class="extract-syntax">t0_s</span></span> is equal to an instance.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">RTInstances::emit_element_of_condition</span><span class="plain-syntax">(</span><span class="identifier-syntax">inference_subject_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">family</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">inference_subject</span><span class="plain-syntax"> *</span><span class="identifier-syntax">infs</span><span class="plain-syntax">, </span><span class="identifier-syntax">inter_symbol</span><span class="plain-syntax"> *</span><span class="identifier-syntax">t0_s</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</span><span class="plain-syntax"> = </span><span class="identifier-syntax">InstanceSubjects::to_instance</span><span class="plain-syntax">(</span><span class="identifier-syntax">infs</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP13" class="function-link"><span class="function-syntax">EmitCode::inv</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">EQ_BIP</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::down</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_symbol</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><span class="identifier-syntax">t0_s</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP7" class="function-link"><span class="function-syntax">EmitCode::val_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, </span><a href="5-ins.html#SP1" class="function-link"><span class="function-syntax">RTInstances::value_iname</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="plain-syntax">));</span>
<span class="plain-syntax"> </span><a href="2-ec.html#SP3" class="function-link"><span class="function-syntax">EmitCode::up</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
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