ifhub/inform7
1
0
Fork 0
mirror of https://github.com/ganelson/inform.git synced 2024-07-16 22:14:23 +03:00
Code Issues Projects Releases Wiki Activity
inform7/docs/if-module/6-ps.html

252 lines
37 KiB
HTML
Raw Normal View History

Introducing performance styles
2022-09-12 01:33:38 +03:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Performance Styles</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>
<li><a href="../inbuildn.html">inbuild</a></li>
<li><a href="../inform7n.html">inform7</a></li>
<li><a href="../intern.html">inter</a></li>
<li><a href="../services.html">services</a></li>
<li><a href="../secrets.html">secrets</a></li>
</ul><h2>Other Tools</h2><ul>
<li><a href="../inblorbn.html">inblorb</a></li>
<li><a href="../indocn.html">indoc</a></li>
<li><a href="../inform6.html">inform6</a></li>
<li><a href="../inpolicyn.html">inpolicy</a></li>
<li><a href="../inrtpsn.html">inrtps</a></li>
</ul><h2>Resources</h2><ul>
<li><a href="../extensions.html">extensions</a></li>
<li><a href="../kits.html">kits</a></li>
</ul><h2>Repository</h2><ul>
<li><a href="https://github.com/ganelson/inform"><img src="../docs-assets/github.png" height=18> github</a></li>
</ul><h2>Related Projects</h2><ul>
<li><a href="../../../inweb/index.html">inweb</a></li>
<li><a href="../../../intest/index.html">intest</a></li>
</ul>
</nav>
<main role="main">
<!--Weave of 'Performance Styles' 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">if</a></li><li><a href="index.html#6">Chapter 6: Dialogue</a></li><li><b>Performance Styles</b></li></ul></div>
<p class="purpose">Manners of speaking, used in dialogue.</p>
<ul class="toc"><li><a href="6-ps.html#SP7">&#167;7. Introduction</a></li></ul><hr class="tocbar">
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1. </b>This feature, <span class="extract"><span class="extract-syntax">performance styles</span></span>, is technically part of <span class="extract"><span class="extract-syntax">dialogue</span></span>, not part of <span class="extract"><span class="extract-syntax">if</span></span>.
</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">PerformanceStyles::start</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">PerformanceStyles::start</span></span>:<br/>IF Module - <a href="1-im.html#SP5">&#167;5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><a href="6-ps.html#SP6" class="function-link"><span class="function-syntax">PerformanceStyles::declare_annotations</span></a><span class="plain-syntax">();</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">PluginCalls::plug</span><span class="plain-syntax">(</span><span class="identifier-syntax">NEW_INSTANCE_NOTIFY_PLUG</span><span class="plain-syntax">, </span><a href="6-ps.html#SP4" class="function-link"><span class="function-syntax">PerformanceStyles::new_named_instance_notify</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">PluginCalls::plug</span><span class="plain-syntax">(</span><span class="identifier-syntax">NEW_BASE_KIND_NOTIFY_PLUG</span><span class="plain-syntax">, </span><a href="6-ps.html#SP3" class="function-link"><span class="function-syntax">PerformanceStyles::new_base_kind_notify</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">PluginCalls::plug</span><span class="plain-syntax">(</span><span class="identifier-syntax">COMPARE_CONSTANT_PLUG</span><span class="plain-syntax">, </span><a href="6-ps.html#SP4" class="function-link"><span class="function-syntax">PerformanceStyles::compare_CONSTANT</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2. </b>Performance styles are the instances of a built-in enumeration kind, created by a
Neptune file belonging to <a href="../DialogueKit/index.html" class="internal">DialogueKit</a>, and this is recognised by its Inter
identifier <span class="extract"><span class="extract-syntax">PERFORMANCE_STYLE_TY</span></span>.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K_performance_style</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</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="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">PerformanceStyles::new_base_kind_notify</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">PerformanceStyles::new_base_kind_notify</span></span>:<br/><a href="6-ps.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">name</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::eq_wide_string</span><span class="plain-syntax">(</span><span class="identifier-syntax">name</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"PERFORMANCE_STYLE_TY"</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">K_performance_style</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_base</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>
<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>
</pre>
<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">int</span><span class="plain-syntax"> </span><span class="function-syntax">PerformanceStyles::new_named_instance_notify</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">PerformanceStyles::new_named_instance_notify</span></span>:<br/><a href="6-ps.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">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K_scene</span><span class="plain-syntax">) &amp;&amp; (</span><span class="identifier-syntax">Kinds::eq</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">K_performance_style</span><span class="plain-syntax">))) {</span>
<span class="plain-syntax"> </span><a href="6-ps.html#SP9" class="function-link"><span class="function-syntax">PerformanceStyles::new</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">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</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">FALSE</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="function-syntax">PerformanceStyles::rvalue_from_performance_style</span><span class="plain-syntax">(</span><span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="identifier-syntax">val</span><span class="plain-syntax">) { </span><span class="identifier-syntax">CONV_FROM</span><span class="plain-syntax">(</span><span class="reserved-syntax">performance_style</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_performance_style</span><span class="plain-syntax">) }</span>
<span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="function-syntax">PerformanceStyles::rvalue_to_performance_style</span><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax">) { </span><span class="identifier-syntax">CONV_TO</span><span class="plain-syntax">(</span><span class="reserved-syntax">performance_style</span><span class="plain-syntax">) }</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">PerformanceStyles::compare_CONSTANT</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">PerformanceStyles::compare_CONSTANT</span></span>:<br/><a href="6-ps.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec1</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec2</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> *</span><span class="identifier-syntax">rv</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">Node::get_kind_of_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec1</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::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_performance_style</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="6-ps.html#SP4" class="function-link"><span class="function-syntax">PerformanceStyles::rvalue_to_performance_style</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">spec1</span><span class="plain-syntax">) ==</span>
<span class="plain-syntax"> </span><a href="6-ps.html#SP4" class="function-link"><span class="function-syntax">PerformanceStyles::rvalue_to_performance_style</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">spec2</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">rv</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> *</span><span class="identifier-syntax">rv</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>
<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>
</pre>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5. </b>This feature needs one extra syntax tree annotation:
</p>
<pre class="definitions code-font"><span class="definition-keyword">enum</span> <span class="constant-syntax">constant_performance_style_ANNOT</span><span class="plain-syntax"> </span><span class="comment-syntax"> </span><span class="extract"><span class="extract-syntax">performance_style</span></span><span class="comment-syntax">: for constant values</span>
</pre>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">DECLARE_ANNOTATION_FUNCTIONS</span><span class="plain-syntax">(</span><span class="identifier-syntax">constant_performance_style</span><span class="plain-syntax">, </span><span class="reserved-syntax">performance_style</span><span class="plain-syntax">)</span>
</pre>
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>&#167;6. </b></p>
<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">MAKE_ANNOTATION_FUNCTIONS</span><span class="plain-syntax">(</span><span class="identifier-syntax">constant_performance_style</span><span class="plain-syntax">, </span><span class="reserved-syntax">performance_style</span><span class="plain-syntax">)</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">PerformanceStyles::declare_annotations</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">PerformanceStyles::declare_annotations</span></span>:<br/><a href="6-ps.html#SP1">&#167;1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Annotations::declare_type</span><span class="plain-syntax">(</span><span class="constant-syntax">constant_performance_style_ANNOT</span><span class="plain-syntax">,</span>
<span class="plain-syntax"> </span><a href="6-ps.html#SP6" class="function-link"><span class="function-syntax">PerformanceStyles::write_constant_performance_style_ANNOT</span></a><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Annotations::allow</span><span class="plain-syntax">(</span><span class="identifier-syntax">CONSTANT_NT</span><span class="plain-syntax">, </span><span class="constant-syntax">constant_performance_style_ANNOT</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">PerformanceStyles::write_constant_performance_style_ANNOT</span><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</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">Node::get_constant_performance_style</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</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">" {performance_style: %I}"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Node::get_constant_performance_style</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">)-&gt;</span><span class="element-syntax">as_instance</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>&#167;7. Introduction. </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">performance_style</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">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">as_instance</span><span class="plain-syntax">; </span><span class="comment-syntax"> the constant for the name of the style</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">CLASS_DEFINITION</span>
<span class="plain-syntax">} </span><span class="reserved-syntax">performance_style</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="identifier-syntax">PS_spoken_normally</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
<span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="function-syntax">PerformanceStyles::get_name</span><span class="plain-syntax">(</span><span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ps</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">Instances::get_name</span><span class="plain-syntax">(</span><span class="identifier-syntax">ps</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">as_instance</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<ul class="endnotetexts"><li>The structure performance_style is accessed in 3/scn, 6/dlg, 6/db, 6/dl and here.</li></ul>
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>&#167;8. </b>A feature called <span class="extract"><span class="extract-syntax">xyzzy</span></span> generally has a hunk of subject data called <span class="extract"><span class="extract-syntax">xyzzy_data</span></span>,
so we would normally have a structure called <span class="extract"><span class="extract-syntax">performance_styles_data</span></span>, but in fact that
structure is just going to be <a href="6-ps.html#SP7" class="internal">performance_style</a>. So:
</p>
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">performance_styles_data</span><span class="plain-syntax"> </span><span class="reserved-syntax">performance_style</span>
<span class="definition-keyword">define</span> <span class="identifier-syntax">PERFORMANCE_STYLES_DATA</span><span class="plain-syntax">(</span><span class="identifier-syntax">subj</span><span class="plain-syntax">) </span><span class="identifier-syntax">FEATURE_DATA_ON_SUBJECT</span><span class="plain-syntax">(</span><span class="identifier-syntax">performance_styles</span><span class="plain-syntax">, </span><span class="identifier-syntax">subj</span><span class="plain-syntax">)</span>
</pre>
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>&#167;9. </b>The following is called whenever a new instance of "performance style" is created:
</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">PerformanceStyles::new</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">PerformanceStyles::new</span></span>:<br/><a href="6-ps.html#SP4">&#167;4</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">performance_style</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ps</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">performance_style</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="6-ps.html#SP9_3" class="named-paragraph-link"><span class="named-paragraph">Connect the performance style structure to the instance</span><span class="named-paragraph-number">9.3</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="6-ps.html#SP9_1" class="named-paragraph-link"><span class="named-paragraph">Initialise the performance style structure</span><span class="named-paragraph-number">9.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP9_1" class="paragraph-anchor"></a><b>&#167;9.1. </b>A performance style begins with two ends, 0 (beginning) and 1 (standard end).
</p>
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Initialise the performance style structure</span><span class="named-paragraph-number">9.1</span></span><span class="comment-syntax"> =</span>
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax"> ;</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="6-ps.html#SP9">&#167;9</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP9_2" class="paragraph-anchor"></a><b>&#167;9.2. </b>This is a style name which Inform provides special support for; it recognises
the English name, so there is no need to translate this to other languages.
</p>
<pre class="Preform-displayed-code all-displayed-code code-font">
<span class="Preform-function-syntax">&lt;notable-performance-styles&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">spoken</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">normally</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="SP9_3" class="paragraph-anchor"></a><b>&#167;9.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Connect the performance style structure to the instance</span><span class="named-paragraph-number">9.3</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">ps</span><span class="plain-syntax">-&gt;</span><span class="element-syntax">as_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">ATTACH_FEATURE_DATA_TO_SUBJECT</span><span class="plain-syntax">(</span><span class="identifier-syntax">performance_styles</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">as_subject</span><span class="plain-syntax">, </span><span class="identifier-syntax">ps</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">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="function-syntax">&lt;notable-performance-styles&gt;</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) </span><span class="identifier-syntax">PS_spoken_normally</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ps</span><span class="plain-syntax">;</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="6-ps.html#SP9">&#167;9</a>.</li></ul>
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>&#167;10. </b>So we sometimes want to be able to get from an instance to its performance style
structure.
</p>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="function-syntax">PerformanceStyles::from_named_constant</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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">K_performance_style</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="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="reserved-syntax">if</span><span class="plain-syntax"> (</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_performance_style</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">FEATURE_DATA_ON_SUBJECT</span><span class="plain-syntax">(</span><span class="identifier-syntax">performance_styles</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="plain-syntax">-&gt;</span><span class="identifier-syntax">as_subject</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">NULL</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="function-syntax">PerformanceStyles::default</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">PerformanceStyles::default</span></span>:<br/>Dialogue Lines - <a href="6-dl.html#SP2_4">&#167;2.4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</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">PS_spoken_normally</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="function-syntax">PerformanceStyles::parse_style</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">PerformanceStyles::parse_style</span></span>:<br/>Dialogue Lines - <a href="6-dl.html#SP3">&#167;3</a></span></button><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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax">&lt;s-type-expression-uncached&gt;</span><span class="plain-syntax">(</span><span class="identifier-syntax">CW</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">desc</span><span class="plain-syntax"> = </span><span class="function-syntax">&lt;&lt;rp&gt;&gt;</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">Specifications::to_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">desc</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::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_performance_style</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">Rvalues::to_instance</span><span class="plain-syntax">(</span><span class="identifier-syntax">desc</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="plain-syntax"> </span><span class="reserved-syntax">performance_style</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ps</span><span class="plain-syntax"> = </span><a href="6-ps.html#SP10" class="function-link"><span class="function-syntax">PerformanceStyles::from_named_constant</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">ps</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ps</span><span class="plain-syntax">;</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> }</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_wording</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">CW</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(...));</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
<span class="plain-syntax"> </span><span class="string-syntax">"The dialogue line %1 is apparently spoken in the style '%2', but that "</span>
<span class="plain-syntax"> </span><span class="string-syntax">"doesn't seem to correspond to any style I know of."</span><span class="plain-syntax">);</span>
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</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">NULL</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-dl.html">&#10094;</a></li><li class="progresschapter"><a href="P-wtmd.html">P</a></li><li class="progresschapter"><a href="1-im.html">1</a></li><li class="progresschapter"><a href="2-bd.html">2</a></li><li class="progresschapter"><a href="3-sm.html">3</a></li><li class="progresschapter"><a href="4-ap.html">4</a></li><li class="progresschapter"><a href="5-pp.html">5</a></li><li class="progresscurrentchapter">6</li><li class="progresssection"><a href="6-dlg.html">dlg</a></li><li class="progresssection"><a href="6-db.html">db</a></li><li class="progresssection"><a href="6-dl.html">dl</a></li><li class="progresscurrent">ps</li><li class="progressnextoff">&#10095;</li></ul></div>
</nav><!--End of weave-->
</main>
</body>
</html>
Reference in a new issue Copy permalink