ifhub/inform7
1
0
Fork 0
mirror of https://github.com/ganelson/inform.git synced 2024-07-17 06:24:24 +03:00
Code Issues Projects Releases Wiki Activity
inform7/docs/assertions-module/5-adf.html

148 lines
16 KiB
HTML
Raw Normal View History

Imperative definition families
2021-03-26 01:20:37 +02:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Adjectival Definition Family</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="../compiler.html">compiler tools</a></li>
<li><a href="../other.html">other tools</a></li>
<li><a href="../extensions.html">extensions and kits</a></li>
<li><a href="../units.html">unit test tools</a></li>
</ul><h2>Compiler Webs</h2><ul>
<li><a href="../inbuild/index.html">inbuild</a></li>
<li><a href="../inform7/index.html">inform7</a></li>
<li><a href="../inter/index.html">inter</a></li>
</ul><h2>Inbuild Modules</h2><ul>
<li><a href="../supervisor-module/index.html">supervisor</a></li>
</ul><h2>Inform7 Modules</h2><ul>
<li><a href="../core-module/index.html">core</a></li>
<li><a href="index.html"><span class="selectedlink">assertions</span></a></li>
<li><a href="../values-module/index.html">values</a></li>
<li><a href="../knowledge-module/index.html">knowledge</a></li>
<li><a href="../imperative-module/index.html">imperative</a></li>
<li><a href="../runtime-module/index.html">runtime</a></li>
<li><a href="../if-module/index.html">if</a></li>
<li><a href="../multimedia-module/index.html">multimedia</a></li>
<li><a href="../index-module/index.html">index</a></li>
</ul><h2>Inter Modules</h2><ul>
<li><a href="../bytecode-module/index.html">bytecode</a></li>
<li><a href="../building-module/index.html">building</a></li>
<li><a href="../codegen-module/index.html">codegen</a></li>
</ul><h2>Services</h2><ul>
<li><a href="../arch-module/index.html">arch</a></li>
<li><a href="../calculus-module/index.html">calculus</a></li>
<li><a href="../html-module/index.html">html</a></li>
<li><a href="../inflections-module/index.html">inflections</a></li>
<li><a href="../kinds-module/index.html">kinds</a></li>
<li><a href="../linguistics-module/index.html">linguistics</a></li>
<li><a href="../problems-module/index.html">problems</a></li>
<li><a href="../syntax-module/index.html">syntax</a></li>
<li><a href="../words-module/index.html">words</a></li>
<li><a href="../../../inweb/docs/foundation-module/index.html">foundation</a></li>
</ul>
</nav>
<main role="main">
<!--Weave of 'Adjectival Definition Family' 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">assertions</a></li><li><a href="index.html#5">Chapter 5: Imperative Code</a></li><li><b>Adjectival Definition Family</b></li></ul></div>
<p class="purpose">Imperative definitions of "Definition: X is Y: ..." adjectives.</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">imperative_defn_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">DEFINITIONAL_PHRASE_EFF_family</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="comment-syntax"> "Definition: a container is roomy if: ..."</span>
</pre>
<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">
Eliminated ph_usage_data
2021-03-26 17:04:34 +02:00
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">AdjectivalDefinitionFamily::create_family</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">AdjectivalDefinitionFamily::create_family</span></span>:<br/>Imperative Definitions - <a href="5-id.html#SP7">&#167;7</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
Imperative definition families
2021-03-26 01:20:37 +02:00
<span class="plain-syntax"> </span><span class="identifier-syntax">DEFINITIONAL_PHRASE_EFF_family</span><span class="plain-syntax"> = </span><a href="5-id.html#SP1" class="function-link"><span class="function-syntax">ImperativeDefinitions::new_family</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">I</span><span class="string-syntax">"DEFINITIONAL_PHRASE_EFF"</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">DEFINITIONAL_PHRASE_EFF_family</span><span class="plain-syntax">, </span><span class="constant-syntax">CLAIM_IMP_DEFN_MTID</span><span class="plain-syntax">, </span><a href="5-adf.html#SP4" class="function-link"><span class="function-syntax">AdjectivalDefinitionFamily::claim</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">DEFINITIONAL_PHRASE_EFF_family</span><span class="plain-syntax">, </span><span class="constant-syntax">NEW_PHRASE_IMP_DEFN_MTID</span><span class="plain-syntax">, </span><a href="5-adf.html#SP5" class="function-link"><span class="function-syntax">AdjectivalDefinitionFamily::new_phrase</span></a><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. </b></p>
<pre class="Preform-displayed-code all-displayed-code code-font">
<span class="Preform-function-syntax">&lt;definition-preamble&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">definition</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" class="paragraph-anchor"></a><b>&#167;4. </b></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">AdjectivalDefinitionFamily::claim</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">AdjectivalDefinitionFamily::claim</span></span>:<br/><a href="5-adf.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">imperative_defn_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">imperative_defn</span><span class="plain-syntax"> *</span><span class="identifier-syntax">id</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">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">-&gt;</span><span class="element-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="function-syntax">&lt;definition-preamble&gt;</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">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">family</span><span class="plain-syntax"> = </span><span class="identifier-syntax">DEFINITIONAL_PHRASE_EFF_family</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">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">at</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">at</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">down</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) &amp;&amp;</span>
<span class="plain-syntax"> (</span><span class="identifier-syntax">Node::get_type</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">at</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax">) == </span><span class="identifier-syntax">IMPERATIVE_NT</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><a href="2-is.html#SP1" class="function-link"><span class="function-syntax">ImperativeSubtrees::accept_body</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">at</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">Node::set_type</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">at</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">next</span><span class="plain-syntax">, </span><span class="identifier-syntax">DEFN_CONT_NT</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Phrases::Adjectives::look_for_headers</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">at</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5. </b>If a phrase defines an adjective, like so:
</p>
<blockquote>
<p>Definition: A container is capacious if: ...</p>
</blockquote>
<p class="commentary">we need to make the pronoun "it" a local variable of kind "container" in the
stack frame used to compile the "..." part. If it uses a calling, like so:
</p>
<blockquote>
<p>Definition: A container (called the sack) is capacious if: ...</p>
</blockquote>
<p class="commentary">then we also want the name "sack" to refer to this. Here's where we take care
of it:
</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">AdjectivalDefinitionFamily::new_phrase</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">AdjectivalDefinitionFamily::new_phrase</span></span>:<br/><a href="5-adf.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">imperative_defn_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">self</span><span class="plain-syntax">, </span><span class="reserved-syntax">imperative_defn</span><span class="plain-syntax"> *</span><span class="identifier-syntax">id</span><span class="plain-syntax">, </span><span class="identifier-syntax">phrase</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_ph</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">CW</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING</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">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Phrases::Phrasal::define_adjective_by_phrase</span><span class="plain-syntax">(</span><span class="identifier-syntax">id</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">at</span><span class="plain-syntax">, </span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">CW</span><span class="plain-syntax">, &amp;</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">LocalVariables::add_pronoun</span><span class="plain-syntax">(&amp;(</span><span class="identifier-syntax">new_ph</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">stack_frame</span><span class="plain-syntax">), </span><span class="identifier-syntax">CW</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<nav role="progress"><div class="progresscontainer">
<ul class="progressbar"><li class="progressprev"><a href="5-id.html">&#10094;</a></li><li class="progresschapter"><a href="P-wtmd.html">P</a></li><li class="progresschapter"><a href="1-am.html">1</a></li><li class="progresschapter"><a href="2-bv.html">2</a></li><li class="progresschapter"><a href="3-dlr.html">3</a></li><li class="progresschapter"><a href="4-nr.html">4</a></li><li class="progresscurrentchapter">5</li><li class="progresssection"><a href="5-id.html">id</a></li><li class="progresscurrent">adf</li><li class="progresssection"><a href="5-tpf.html">tpf</a></li><li class="progresssection"><a href="5-rf.html">rf</a></li><li class="progresschapter"><a href="6-tc.html">6</a></li><li class="progresschapter"><a href="7-kpr.html">7</a></li><li class="progressnext"><a href="5-tpf.html">&#10095;</a></li></ul></div>
</nav><!--End of weave-->
</main>
</body>
</html>
Reference in a new issue Copy permalink