mirror of
https://github.com/ganelson/inform.git
synced 2024-07-17 06:24:24 +03:00
143 lines
22 KiB
HTML
143 lines
22 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<title>Unary Predicates</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">
|
|
</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="index.html"><span class="selectedlink">core</span></a></li>
|
|
<li><a href="../kinds-module/index.html">kinds</a></li>
|
|
<li><a href="../if-module/index.html">if</a></li>
|
|
<li><a href="../multimedia-module/index.html">multimedia</a></li>
|
|
<li><a href="../index-module/index.html">index</a></li>
|
|
</ul><h2>Inter Modules</h2><ul>
|
|
<li><a href="../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="../syntax-module/index.html">syntax</a></li>
|
|
<li><a href="../words-module/index.html">words</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="../linguistics-module/index.html">linguistics</a></li>
|
|
<li><a href="../problems-module/index.html">problems</a></li>
|
|
<li><a href="../../../inweb/docs/foundation-module/index.html">foundation</a></li>
|
|
|
|
</ul>
|
|
</nav>
|
|
<main role="main">
|
|
<!--Weave of 'Unary Predicates' generated by Inweb-->
|
|
<div class="breadcrumbs">
|
|
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inform7 Modules</a></li><li><a href="index.html">core</a></li><li><a href="index.html#7">Chapter 7: Verbs</a></li><li><b>Unary Predicates</b></li></ul></div>
|
|
<p class="purpose">A lightweight structure to record uses of an adjective, either positively or negatively.</p>
|
|
|
|
<p class="commentary firstcommentary"><a id="SP1"></a><b>§1. </b>We store this as a linguistic constant, which points to the adjective and
|
|
also records its sense, i.e., positive or negative:
|
|
</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">unary_predicate</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lcon_ti</span><span class="plain-syntax"> </span><span class="identifier-syntax">lcon</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">} </span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>The structure unary_predicate is private to this section.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP2"></a><b>§2. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="function-syntax">UnaryPredicates::new</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">UnaryPredicates::new</span></span>:<br/>Constants and Descriptions - <a href="10-cad.html#SP10">§10</a><br/>Verbal and Relative Clauses - <a href="10-varc.html#SP8_1">§8.1</a><br/>Terms - <a href="11-tr.html#SP8">§8</a><br/>Atomic Propositions - <a href="11-ap.html#SP19">§19</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">adjective</span><span class="plain-syntax"> *</span><span class="identifier-syntax">aph</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pos</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Stock::to_lcon</span><span class="plain-syntax">(</span><span class="identifier-syntax">aph</span><span class="plain-syntax">-></span><span class="identifier-syntax">in_stock</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">pos</span><span class="plain-syntax">) </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lcon::set_sense</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax">, </span><span class="identifier-syntax">POSITIVE_SENSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lcon::set_sense</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax">, </span><span class="identifier-syntax">NEGATIVE_SENSE</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">au</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="function-syntax">UnaryPredicates::copy</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">UnaryPredicates::copy</span></span>:<br/>Constants and Descriptions - <a href="10-cad.html#SP11">§11</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au_from</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax"> = </span><span class="identifier-syntax">au_from</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</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">au</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP3"></a><b>§3. </b>Logging:
|
|
</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">UnaryPredicates::log</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">UnaryPredicates::log</span></span>:<br/>Core Module - <a href="1-cm.html#SP5">§5</a>, <a href="1-cm.html#SP6_6">§6.6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">adjective</span><span class="plain-syntax"> *</span><span class="identifier-syntax">aph</span><span class="plain-syntax"> = </span><a href="7-up.html#SP4" class="function-link"><span class="function-syntax">UnaryPredicates::get_adj</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">au</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">Lcon::get_sense</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax">) == </span><span class="identifier-syntax">NEGATIVE_SENSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"~"</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">Adjectives::get_nominative_singular</span><span class="plain-syntax">(</span><span class="identifier-syntax">aph</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"<adj:%W>"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP4"></a><b>§4. </b>Access:
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">adjective</span><span class="plain-syntax"> *</span><span class="function-syntax">UnaryPredicates::get_adj</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">UnaryPredicates::get_adj</span></span>:<br/><a href="7-up.html#SP3">§3</a><br/>Refine Parse Tree - <a href="5-rpt.html#SP6">§6</a><br/>Assertions - <a href="5-ass.html#SP6_3_13">§6.3.13</a><br/>Implications - <a href="5-imp.html#SP3_2_3">§3.2.3</a>, <a href="5-imp.html#SP6_1">§6.1</a><br/>Constants and Descriptions - <a href="10-cad.html#SP13">§13</a><br/>Terms - <a href="11-tr.html#SP7">§7</a><br/>Atomic Propositions - <a href="11-ap.html#SP24_1">§24.1</a><br/>Binding and Substitution - <a href="11-bas.html#SP17">§17</a><br/>Tree Conversions - <a href="11-tc.html#SP7_2">§7.2</a><br/>Type Check Propositions - <a href="11-tcp.html#SP9">§9</a><br/>Assert Propositions - <a href="12-ap.html#SP8_10">§8.10</a>, <a href="12-ap.html#SP12_1">§12.1</a>, <a href="12-ap.html#SP13_2">§13.2</a><br/>Compile Atoms - <a href="12-ca.html#SP5_6">§5.6</a><br/>Descriptions - <a href="14-ds.html#SP8">§8</a><br/>Dash - <a href="14-ds2.html#SP10_9_1_1_5_1_2">§10.9.1.1.5.1.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</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">au</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">Adjectives::from_lcon</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</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">UnaryPredicates::get_parity</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">UnaryPredicates::get_parity</span></span>:<br/>Refine Parse Tree - <a href="5-rpt.html#SP6">§6</a><br/>Implications - <a href="5-imp.html#SP6_1">§6.1</a><br/>Atomic Propositions - <a href="11-ap.html#SP24_1">§24.1</a><br/>Tree Conversions - <a href="11-tc.html#SP7_2">§7.2</a><br/>Assert Propositions - <a href="12-ap.html#SP8_10">§8.10</a>, <a href="12-ap.html#SP13_2">§13.2</a><br/>Compile Atoms - <a href="12-ca.html#SP5_6">§5.6</a><br/>Descriptions - <a href="14-ds.html#SP8">§8</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</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">au</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"null adjective tested for positivity"</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">Lcon::get_sense</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax">) == </span><span class="identifier-syntax">NEGATIVE_SENSE</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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">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="SP5"></a><b>§5. </b>And this is the only non-trivial thing one can do with an adjective use:
|
|
reverse its sense.
|
|
</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">UnaryPredicates::flip_parity</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">UnaryPredicates::flip_parity</span></span>:<br/>Constants and Descriptions - <a href="10-cad.html#SP11">§11</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">unary_predicate</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</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">au</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"null adjective flipped"</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">Lcon::get_sense</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax">) == </span><span class="identifier-syntax">NEGATIVE_SENSE</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lcon::set_sense</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax">, </span><span class="identifier-syntax">POSITIVE_SENSE</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lcon::set_sense</span><span class="plain-syntax">(</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">lcon</span><span class="plain-syntax">, </span><span class="identifier-syntax">NEGATIVE_SENSE</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="6-ipw.html">❮</a></li><li class="progresschapter"><a href="P-wtmd.html">P</a></li><li class="progresschapter"><a href="1-cm.html">1</a></li><li class="progresschapter"><a href="2-up.html">2</a></li><li class="progresschapter"><a href="3-bv.html">3</a></li><li class="progresschapter"><a href="4-dlr.html">4</a></li><li class="progresschapter"><a href="5-rpt.html">5</a></li><li class="progresschapter"><a href="6-lp.html">6</a></li><li class="progresscurrentchapter">7</li><li class="progresscurrent">up</li><li class="progresssection"><a href="7-am.html">am</a></li><li class="progresssection"><a href="7-bp.html">bp</a></li><li class="progresssection"><a href="7-rlt.html">rlt</a></li><li class="progresssection"><a href="7-er.html">er</a></li><li class="progresssection"><a href="7-tur.html">tur</a></li><li class="progresssection"><a href="7-vart.html">vart</a></li><li class="progresschapter"><a href="8-ptu.html">8</a></li><li class="progresschapter"><a href="9-ef.html">9</a></li><li class="progresschapter"><a href="10-its.html">10</a></li><li class="progresschapter"><a href="11-itpc.html">11</a></li><li class="progresschapter"><a href="12-ter.html">12</a></li><li class="progresschapter"><a href="13-kak.html">13</a></li><li class="progresschapter"><a href="14-sp.html">14</a></li><li class="progresschapter"><a href="15-pr.html">15</a></li><li class="progresschapter"><a href="16-is.html">16</a></li><li class="progresschapter"><a href="17-tl.html">17</a></li><li class="progresschapter"><a href="18-lc.html">18</a></li><li class="progresschapter"><a href="19-tc.html">19</a></li><li class="progresschapter"><a href="20-eq.html">20</a></li><li class="progresschapter"><a href="21-rl.html">21</a></li><li class="progresschapter"><a href="22-itp.html">22</a></li><li class="progresschapter"><a href="23-ad.html">23</a></li><li class="progresschapter"><a href="24-lv.html">24</a></li><li class="progresschapter"><a href="25-in.html">25</a></li><li class="progresschapter"><a href="26-fc.html">26</a></li><li class="progresschapter"><a href="27-hr.html">27</a></li><li class="progressnext"><a href="7-am.html">❯</a></li></ul></div>
|
|
</nav><!--End of weave-->
|
|
|
|
</main>
|
|
</body>
|
|
</html>
|
|
|