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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>Activities</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">
</head>
<body class="commentary-font">
<nav role="navigation">
<h1><a href="../index.html">
<img src="../docs-assets/Inform.png" height=72">
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</ul><h2>Compiler Webs</h2><ul>
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</ul><h2>Inbuild Modules</h2><ul>
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</ul><h2>Inform7 Modules</h2><ul>
<li><a href="../core-module/index.html">core</a></li>
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</ul>
</nav>
<main role="main">
<!--Weave of 'Activities' generated by Inweb-->
<div class="breadcrumbs">
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inform7</a></li><li><a href="index.html">index</a></li><li><a href="index.html#2">Chapter 2: Indexing</a></li><li><b>Activities</b></li></ul></div>
<p class="purpose">To index activities.</p>
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. </b></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">activity_indexing_data</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">activity_indexed</span><span class="plain-syntax">; </span><span class="comment-syntax"> has this been indexed yet?</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">av_documentation_symbol</span><span class="plain-syntax">; </span><span class="comment-syntax"> cross-reference to HTML documentation, if any</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">activity_crossref</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cross_references</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">activity_indexing_data</span><span class="plain-syntax">;</span>
<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">activity_crossref</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">id_body</span><span class="plain-syntax"> *</span><span class="identifier-syntax">rule_dependent</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">activity_crossref</span><span class="plain-syntax"> *</span><span class="identifier-syntax">next</span><span class="plain-syntax">;</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">activity_crossref</span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>The structure activity_indexing_data is private to this section.</li><li>The structure activity_crossref is accessed in 2/ins, 2/rls, 3/scn, 4/em and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">activity_indexing_data</span><span class="plain-syntax"> </span><span class="function-syntax">IXActivities::new_indexing_data</span><span class="plain-syntax">(</span><span class="identifier-syntax">activity</span><span class="plain-syntax"> *</span><span class="identifier-syntax">av</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">doc</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">activity_indexing_data</span><span class="plain-syntax"> </span><span class="identifier-syntax">aid</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">aid</span><span class="plain-syntax">.</span><span class="element-syntax">activity_indexed</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">aid</span><span class="plain-syntax">.</span><span class="element-syntax">av_documentation_symbol</span><span class="plain-syntax"> = </span><span class="identifier-syntax">doc</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">aid</span><span class="plain-syntax">.</span><span class="element-syntax">cross_references</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">aid</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">IXActivities::index_by_number</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">IXActivities::index_by_number</span></span>:<br/>Rules - <a href="2-rls.html#SP6_1">&#167;6.1</a>, <a href="2-rls.html#SP6_3">&#167;6.3</a>, <a href="2-rls.html#SP6_6">&#167;6.6</a>, <a href="2-rls.html#SP6_8">&#167;6.8</a>, <a href="2-rls.html#SP6_9">&#167;6.9</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indent</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">activity</span><span class="plain-syntax"> *</span><span class="identifier-syntax">av</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Activities::std</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</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">av</span><span class="plain-syntax">) </span><a href="2-act.html#SP2" class="function-link"><span class="function-syntax">IXActivities::index</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">av</span><span class="plain-syntax">, </span><span class="identifier-syntax">indent</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">IXActivities::no_rules</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">IXActivities::no_rules</span></span>:<br/>Rules - <a href="2-rls.html#SP7">&#167;7</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">activity</span><span class="plain-syntax"> *</span><span class="identifier-syntax">av</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">t</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">t</span><span class="plain-syntax"> += </span><span class="identifier-syntax">Rulebooks::no_rules</span><span class="plain-syntax">(</span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">before_rules</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">t</span><span class="plain-syntax"> += </span><span class="identifier-syntax">Rulebooks::no_rules</span><span class="plain-syntax">(</span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">for_rules</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">t</span><span class="plain-syntax"> += </span><span class="identifier-syntax">Rulebooks::no_rules</span><span class="plain-syntax">(</span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">after_rules</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">t</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">IXActivities::index</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">IXActivities::index</span></span>:<br/>Rules - <a href="2-rls.html#SP6_10_1">&#167;6.10.1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="identifier-syntax">activity</span><span class="plain-syntax"> *</span><span class="identifier-syntax">av</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indent</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">empty</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">char</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</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">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="element-syntax">activity_indexed</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">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="element-syntax">activity_indexed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</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">Rulebooks::is_empty</span><span class="plain-syntax">(</span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">before_rules</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">empty</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">Rulebooks::is_empty</span><span class="plain-syntax">(</span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">for_rules</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">empty</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">Rulebooks::is_empty</span><span class="plain-syntax">(</span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">after_rules</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">empty</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">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="element-syntax">cross_references</span><span class="plain-syntax">) </span><span class="identifier-syntax">empty</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">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">doc_link</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">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="element-syntax">av_documentation_symbol</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">doc_link</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">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="element-syntax">av_documentation_symbol</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">empty</span><span class="plain-syntax">) </span><span class="identifier-syntax">text</span><span class="plain-syntax"> = </span><span class="string-syntax">"There are no rules before, for or after this activity."</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-rls.html#SP7" class="function-link"><span class="function-syntax">IXRules::index_rules_box</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">doc_link</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">av</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">indent</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</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">doc_link</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">IXActivities::index_details</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">IXActivities::index_details</span></span>:<br/>Rules - <a href="2-rls.html#SP7">&#167;7</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="identifier-syntax">activity</span><span class="plain-syntax"> *</span><span class="identifier-syntax">av</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">ignore_me</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><a href="2-rls.html#SP8" class="function-link"><span class="function-syntax">IXRules::index_rulebook</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">before_rules</span><span class="plain-syntax">, </span><span class="string-syntax">"before"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="2-rls.html#SP11" class="function-link"><span class="function-syntax">IXRules::no_rule_context</span></a><span class="plain-syntax">(), &amp;</span><span class="identifier-syntax">ignore_me</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-rls.html#SP8" class="function-link"><span class="function-syntax">IXRules::index_rulebook</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">for_rules</span><span class="plain-syntax">, </span><span class="string-syntax">"for"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="2-rls.html#SP11" class="function-link"><span class="function-syntax">IXRules::no_rule_context</span></a><span class="plain-syntax">(), &amp;</span><span class="identifier-syntax">ignore_me</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-rls.html#SP8" class="function-link"><span class="function-syntax">IXRules::index_rulebook</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">after_rules</span><span class="plain-syntax">, </span><span class="string-syntax">"after"</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="2-rls.html#SP11" class="function-link"><span class="function-syntax">IXRules::no_rule_context</span></a><span class="plain-syntax">(), &amp;</span><span class="identifier-syntax">ignore_me</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><a href="2-act.html#SP2" class="function-link"><span class="function-syntax">IXActivities::index_cross_references</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">av</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">IXActivities::annotate_list_for_cross_references</span><span class="plain-syntax">(</span><span class="identifier-syntax">activity_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">avl</span><span class="plain-syntax">, </span><span class="identifier-syntax">id_body</span><span class="plain-syntax"> *</span><span class="identifier-syntax">idb</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">avl</span><span class="plain-syntax">; </span><span class="identifier-syntax">avl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">avl</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</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">avl</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">activity</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">activity</span><span class="plain-syntax"> *</span><span class="identifier-syntax">av</span><span class="plain-syntax"> = </span><span class="identifier-syntax">avl</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">activity</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">activity_crossref</span><span class="plain-syntax"> *</span><span class="identifier-syntax">acr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">activity_crossref</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">acr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="element-syntax">cross_references</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="element-syntax">cross_references</span><span class="plain-syntax"> = </span><span class="identifier-syntax">acr</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">acr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">rule_dependent</span><span class="plain-syntax"> = </span><span class="identifier-syntax">idb</span><span class="plain-syntax">;</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">IXActivities::index_cross_references</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="identifier-syntax">activity</span><span class="plain-syntax"> *</span><span class="identifier-syntax">av</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">activity_crossref</span><span class="plain-syntax"> *</span><span class="identifier-syntax">acr</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">acr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">av</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">indexing_data</span><span class="plain-syntax">.</span><span class="identifier-syntax">cross_references</span><span class="plain-syntax">; </span><span class="identifier-syntax">acr</span><span class="plain-syntax">; </span><span class="identifier-syntax">acr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">acr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">id_body</span><span class="plain-syntax"> *</span><span class="identifier-syntax">idb</span><span class="plain-syntax"> = </span><span class="identifier-syntax">acr</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">rule_dependent</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">ImperativeDefinitions::body_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">idb</span><span class="plain-syntax">)) &amp;&amp; (</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">ImperativeDefinitions::body_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">idb</span><span class="plain-syntax">))))) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML::open_indented_p</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">, </span><span class="string-syntax">"tight"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"NB: %W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">ImperativeDefinitions::body_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">idb</span><span class="plain-syntax">)));</span>
<span class="plain-syntax"> </span><a href="2-ifs.html#SP9" class="function-link"><span class="function-syntax">Index::link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</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">ImperativeDefinitions::body_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">idb</span><span class="plain-syntax">))));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
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