mirror of
https://github.com/ganelson/inform.git
synced 2024-07-16 22:14:23 +03:00
919 lines
190 KiB
HTML
919 lines
190 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<title>Describing Kinds</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="../assertions-module/index.html">assertions</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="index.html"><span class="selectedlink">kinds</span></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 'Describing Kinds' generated by Inweb-->
|
|
<div class="breadcrumbs">
|
|
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Services</a></li><li><a href="index.html">kinds</a></li><li><a href="index.html#2">Chapter 2: Kinds</a></li><li><b>Describing Kinds</b></li></ul></div>
|
|
<p class="purpose">Translating kinds to and from textual descriptions.</p>
|
|
|
|
<ul class="toc"><li><a href="2-dk.html#SP1">§1. The K-grammar</a></li><li><a href="2-dk.html#SP15">§15. Kinds of kind</a></li><li><a href="2-dk.html#SP16">§16. Parsing kind variables</a></li><li><a href="2-dk.html#SP21">§21. Textual descriptions</a></li></ul><hr class="tocbar">
|
|
|
|
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. The K-grammar. </b>This is a Preform grammar for textual descriptions of kinds. In effect it's
|
|
a mini-language of its own, with a specification closer to traditional
|
|
computer-science norms than Inform's free-wheeling approach — this is not
|
|
an accident. It allows for awkward functional-programming needs in a way
|
|
which vaguer natural language syntax would not.
|
|
</p>
|
|
|
|
<p class="commentary">All K-grammar nonterminals begin with the "k-" prefix, and their pointer results
|
|
are to <a href="2-knd.html#SP1" class="internal">kind</a><span class="extract"><span class="extract-syntax"> structures.
|
|
</span></span></p>
|
|
|
|
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>For speed, we parse some kind names as single words, and others as common
|
|
nouns, which is slower:
|
|
</p>
|
|
|
|
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">KIND_SLOW_MC</span><span class="plain-syntax"> </span><span class="constant-syntax">0x00000008</span><span class="plain-syntax"> </span><span class="comment-syntax"> e.g., </span><span class="extract"><span class="extract-syntax">weight</span></span>
|
|
<span class="definition-keyword">define</span> <span class="constant-syntax">KIND_FAST_MC</span><span class="plain-syntax"> </span><span class="constant-syntax">0x01000000</span><span class="plain-syntax"> </span><span class="comment-syntax"> number, text, relation, rule, ...</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>The K-grammar actually has two modes: normal, and phrase-token-mode. Normal
|
|
mode is aptly named: it's almost always the one we're using. Phrase token
|
|
mode is used only when parsing definitions of phrases, like so:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>To repeat with (LV - nonexisting K variable) running from (V1 - arithmetic value of kind K) to (V2 - K)</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">Here the tokens "nonexisting K variable" and so on are parsed as
|
|
specifications, but in such a way that any kinds mentioned are parsed in
|
|
phrase-token-mode. The difference is that this enables them to refer to kind
|
|
variables such as K which are still being defined; in normal mode, that would
|
|
only be allowed if K already existed.
|
|
</p>
|
|
|
|
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">NORMAL_KIND_PARSING</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span>
|
|
<span class="definition-keyword">define</span> <span class="constant-syntax">PHRASE_TOKEN_KIND_PARSING</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span>
|
|
</pre>
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind_parsing_mode</span><span class="plain-syntax"> = </span><span class="constant-syntax">NORMAL_KIND_PARSING</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>This tests which mode we are in, consuming no words:
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><if-parsing-phrase-tokens></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">kind_parsing_mode</span><span class="Preform-plain-syntax"> != </span><span class="Preform-constant-syntax">NORMAL_KIND_PARSING</span><span class="Preform-plain-syntax">) </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</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="SP5" class="paragraph-anchor"></a><b>§5. </b>And the following internal is in fact only <k-kind> but inside phrase
|
|
token parsing mode; it's used when parsing the kind to be decided by a
|
|
phrase (which, like phrase tokens, can involve the variables).
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind-for-template></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">s</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">kind_parsing_mode</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">kind_parsing_mode</span><span class="Preform-plain-syntax"> = </span><span class="Preform-constant-syntax">PHRASE_TOKEN_KIND_PARSING</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">t</span><span class="Preform-plain-syntax"> = </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">kind_parsing_mode</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">s</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">t</span><span class="Preform-plain-syntax">) { ==> { -, </span><span class="Preform-function-syntax"><<rp>></span><span class="Preform-plain-syntax"> }; </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">; }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</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="SP6" class="paragraph-anchor"></a><b>§6. </b>And here is that "name of kind..." construction, which is valid only in
|
|
phrase tokens.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind-as-name-token></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-as-name-token></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">name</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">kind</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-abbreviating></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">name</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">kind</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-abbreviating></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">name</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">kind</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, NULL }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">name</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">kind</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, NULL }</span>
|
|
|
|
<span class="Preform-function-syntax"><k-kind-abbreviating></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-abbreviating></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-of-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-formal-variable></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, Kinds::var_construction(R[2], RP[1]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</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="SP7" class="paragraph-anchor"></a><b>§7. </b>So now we can begin properly. Every valid kind matches <k-kind>:
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">^<if-parsing-phrase-tokens></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-variable></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 2 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><if-parsing-phrase-tokens></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-variable-definition></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 2 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-base-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-irregular-kind-construction></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-construction></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</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="SP8" class="paragraph-anchor"></a><b>§8. </b>And, as a convenient shorthand:
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind-articled></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><indefinite-article></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 2 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</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" class="paragraph-anchor"></a><b>§9. </b>In phrase-token mode, kind variables are treated as formal symbols, not as
|
|
the kinds which are their current values:
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-variable-definition></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-formal-variable></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-of-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">kind</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-formal-variable></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, Kinds::var_construction(R[2], RP[1]) }</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="SP10" class="paragraph-anchor"></a><b>§10. </b>Some base kinds with one-word names have that word flagged with a direct
|
|
pointer to the kind, for speed of parsing. Names of base kinds, such as
|
|
<span class="extract"><span class="Preform-extract-syntax">number</span></span> or <span class="extract"><span class="Preform-extract-syntax">vehicle</span></span>, can be registered in two different ways (according
|
|
to whether they come from the source text or from template files), so we then
|
|
make two further checks:
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-base-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">kind</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Wordings::empty</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)) { ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> }; }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Wordings::length</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">) == </span><span class="Preform-constant-syntax">1</span><span class="Preform-plain-syntax">)</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> = </span><a href="2-knd.html#SP22" class="function-link"><span class="Preform-function-syntax">Kinds::read_kind_marking_from_vocabulary</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Lexer::word</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::first_wn</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)));</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> == </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-function-syntax"><definite-article></span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::first_word</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">))) { ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> }; }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">parse_node</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">p</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Lexicon::retrieve</span><span class="Preform-plain-syntax">(</span><span class="Preform-constant-syntax">KIND_SLOW_MC</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">p</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">excerpt_meaning</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">em</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Node::get_meaning</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">p</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">general_pointer</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">m</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Lexicon::get_data</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">em</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">m</span><span class="Preform-plain-syntax">.</span><span class="Preform-identifier-syntax">run_time_type_code</span><span class="Preform-plain-syntax"> == </span><span class="Preform-identifier-syntax">noun_usage_CLASS</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">noun_usage</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">nu</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">RETRIEVE_POINTER_noun_usage</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">m</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">m</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">nu</span><span class="Preform-plain-syntax">-></span><span class="Preform-identifier-syntax">noun_used</span><span class="Preform-plain-syntax">-></span><span class="Preform-identifier-syntax">meaning</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> = </span><a href="2-knd.html#SP6" class="function-link"><span class="Preform-function-syntax">Kinds::base_construction</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">RETRIEVE_POINTER_kind_constructor</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">m</span><span class="Preform-plain-syntax">));</span>
|
|
<span class="Preform-plain-syntax"> } </span><span class="Preform-reserved-syntax">else</span><span class="Preform-plain-syntax"> {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">p</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Lexicon::retrieve</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">NOUN_MC</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">p</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">noun_usage</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">nu</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Nouns::disambiguate</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">p</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">noun</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">nt</span><span class="Preform-plain-syntax"> = (</span><span class="Preform-identifier-syntax">nu</span><span class="Preform-plain-syntax">)?(</span><span class="Preform-identifier-syntax">nu</span><span class="Preform-plain-syntax">-></span><span class="Preform-identifier-syntax">noun_used</span><span class="Preform-plain-syntax">):</span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">nt</span><span class="Preform-plain-syntax">) </span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> = </span><a href="2-knd.html#SP6" class="function-link"><span class="Preform-function-syntax">Kinds::base_construction</span></a><span class="Preform-plain-syntax">(</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">RETRIEVE_POINTER_kind_constructor</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Nouns::meaning</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">nt</span><span class="Preform-plain-syntax">)));</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax">) { ==> { -, </span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> }; </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">; }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</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="SP11" class="paragraph-anchor"></a><b>§11. </b>"Object based rulebook" has been on a voyage of unhyphenation: in the early
|
|
public beta of Inform 7, it was "object-based-rulebook" (at that time,
|
|
built-in kinds had to have one-word names); then it became "object-based
|
|
rulebook", when one-word adjectives were allowed to modify the names of
|
|
built-in kinds; and now it is preferably "object based rulebook". But the
|
|
previous syntax is permitted as an alias to keep old source text working. And
|
|
similarly for the others here, except "either-or property", which is a 2010
|
|
addition.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-irregular-kind-construction></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">indexed</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">text</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, K_text }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">indexed</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">texts</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, K_text }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">stored</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">action</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_1" class="named-paragraph-link"><span class="named-paragraph">Stored action</span><span class="named-paragraph-number">11.1</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">stored</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actions</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_1" class="named-paragraph-link"><span class="named-paragraph">Stored action</span><span class="named-paragraph-number">11.1</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">object-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rulebook</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">producing</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><indefinite-article></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_2" class="named-paragraph-link"><span class="named-paragraph">Rulebook obj on 2</span><span class="named-paragraph-number">11.2</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">object-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rulebook</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">producing</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_3" class="named-paragraph-link"><span class="named-paragraph">Rulebook obj on 1</span><span class="named-paragraph-number">11.3</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">object-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rulebook</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_4" class="named-paragraph-link"><span class="named-paragraph">Rulebook obj on void</span><span class="named-paragraph-number">11.4</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">action-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rulebook</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_5" class="named-paragraph-link"><span class="named-paragraph">Action rulebook</span><span class="named-paragraph-number">11.5</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">object-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rule</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">producing</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><indefinite-article></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_6" class="named-paragraph-link"><span class="named-paragraph">Rule obj on 2</span><span class="named-paragraph-number">11.6</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">object-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rule</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">producing</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_7" class="named-paragraph-link"><span class="named-paragraph">Rule obj on 1</span><span class="named-paragraph-number">11.7</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">object-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rule</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_8" class="named-paragraph-link"><span class="named-paragraph">Rule obj on void</span><span class="named-paragraph-number">11.8</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">action-based</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">rule</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_9" class="named-paragraph-link"><span class="named-paragraph">Action rule</span><span class="named-paragraph-number">11.9</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">either-or</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">property</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP11_10" class="named-paragraph-link"><span class="named-paragraph">Property on truth state</span><span class="named-paragraph-number">11.10</span></a></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="SP11_1" class="paragraph-anchor"></a><b>§11.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Stored action</span><span class="named-paragraph-number">11.1</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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">K_stored_action</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { ==> { </span><span class="identifier-syntax">fail</span><span class="plain-syntax"> </span><span class="identifier-syntax">production</span><span class="plain-syntax"> }; }</span>
|
|
<span class="plain-syntax"> ==> { -, </span><span class="identifier-syntax">K_stored_action</span><span class="plain-syntax"> };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a> (twice).</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_2" class="paragraph-anchor"></a><b>§11.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Rulebook obj on 2</span><span class="named-paragraph-number">11.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rulebook</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">, </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[2]) }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_3" class="paragraph-anchor"></a><b>§11.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Rulebook obj on 1</span><span class="named-paragraph-number">11.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rulebook</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">, </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1]) }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_4" class="paragraph-anchor"></a><b>§11.4. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Rulebook obj on void</span><span class="named-paragraph-number">11.4</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rulebook</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">) }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_5" class="paragraph-anchor"></a><b>§11.5. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Action rulebook</span><span class="named-paragraph-number">11.5</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">K_action_name</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { ==> { </span><span class="identifier-syntax">fail</span><span class="plain-syntax"> </span><span class="identifier-syntax">production</span><span class="plain-syntax"> }; }</span>
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rulebook</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_action_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">) };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_6" class="paragraph-anchor"></a><b>§11.6. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Rule obj on 2</span><span class="named-paragraph-number">11.6</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rule</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">, </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[2]) }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_7" class="paragraph-anchor"></a><b>§11.7. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Rule obj on 1</span><span class="named-paragraph-number">11.7</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rule</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">, </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1]) }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_8" class="paragraph-anchor"></a><b>§11.8. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Rule obj on void</span><span class="named-paragraph-number">11.8</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rule</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">) }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_9" class="paragraph-anchor"></a><b>§11.9. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Action rule</span><span class="named-paragraph-number">11.9</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">K_action_name</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { ==> { </span><span class="identifier-syntax">fail</span><span class="plain-syntax"> </span><span class="identifier-syntax">production</span><span class="plain-syntax"> }; }</span>
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_rule</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_action_name</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">) };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP11_10" class="paragraph-anchor"></a><b>§11.10. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Property on truth state</span><span class="named-paragraph-number">11.10</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::unary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">CON_property</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_truth_state</span><span class="plain-syntax">) }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP11">§11</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. </b>This loop looks a little slow, but there are only about 10 proper constructors.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind-construction></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">kind_constructor</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">con</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOOP_OVER</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">con</span><span class="Preform-plain-syntax">, </span><span class="Preform-reserved-syntax">kind_constructor</span><span class="Preform-plain-syntax">)</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><a href="4-kc2.html#SP16" class="function-link"><span class="Preform-function-syntax">Kinds::Constructors::arity</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">con</span><span class="Preform-plain-syntax">) > </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">wording</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">X</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">wording</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">Y</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">EMPTY_WORDING</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><a href="2-dk.html#SP14" class="function-link"><span class="Preform-function-syntax">Kinds::Textual::parse_constructor_name</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">con</span><span class="Preform-plain-syntax">, &</span><span class="Preform-identifier-syntax">X</span><span class="Preform-plain-syntax">, &</span><span class="Preform-identifier-syntax">Y</span><span class="Preform-plain-syntax">))</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP12_1" class="named-paragraph-link"><span class="named-paragraph">See if this partial kind-constructor match works out</span><span class="named-paragraph-number">12.1</span></a></span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</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="SP12_1" class="paragraph-anchor"></a><b>§12.1. </b>So at this point we have a match of the fixed words in the constructor.
|
|
For example, we might have "list of ...", where the X excerpt represents
|
|
the "..." and the Y excerpt is empty; or "... based rule producing ...",
|
|
where both X and Y are non-empty; or even something like "relation",
|
|
where both X and Y are empty.
|
|
</p>
|
|
|
|
<p class="commentary">We try to match X and Y against kinds, filling in defaults if either is
|
|
unspecified because a short form of the constructor is used (e.g.,
|
|
"relation" instead of "relation of ..." or "relation of ... to ...").
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">See if this partial kind-constructor match works out</span><span class="named-paragraph-number">12.1</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="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">KX</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">, *</span><span class="identifier-syntax">KY</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">con</span><span class="plain-syntax">-></span><span class="element-syntax">variance</span><span class="plain-syntax">[0] == </span><span class="constant-syntax">CONTRAVARIANT</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">KX</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::arity</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">) == </span><span class="constant-syntax">2</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">con</span><span class="plain-syntax">-></span><span class="element-syntax">variance</span><span class="plain-syntax">[1] == </span><span class="constant-syntax">CONTRAVARIANT</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">KY</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP12_1_1" class="named-paragraph-link"><span class="named-paragraph">The rule and rulebook constructors default to actions for X</span><span class="named-paragraph-number">12.1.1</span></a></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">X</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">tupling</span><span class="plain-syntax"> = </span><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::tupling</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tupling</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="function-syntax"><k-single-term></span><span class="plain-syntax">(</span><span class="identifier-syntax">X</span><span class="plain-syntax">))) </span><span class="identifier-syntax">KX</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tupling</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) && (</span><span class="function-syntax"><k-optional-term></span><span class="plain-syntax">(</span><span class="identifier-syntax">X</span><span class="plain-syntax">))) </span><span class="identifier-syntax">KX</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tupling</span><span class="plain-syntax"> >= </span><span class="constant-syntax">2</span><span class="plain-syntax">) && (</span><span class="function-syntax"><k-tupled-term></span><span class="plain-syntax">(</span><span class="identifier-syntax">X</span><span class="plain-syntax">))) </span><span class="identifier-syntax">KX</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></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">KX</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::nonempty</span><span class="plain-syntax">(</span><span class="identifier-syntax">Y</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">tupling</span><span class="plain-syntax"> = </span><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::tupling</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tupling</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="function-syntax"><k-single-term></span><span class="plain-syntax">(</span><span class="identifier-syntax">Y</span><span class="plain-syntax">))) </span><span class="identifier-syntax">KY</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tupling</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) && (</span><span class="function-syntax"><k-optional-term></span><span class="plain-syntax">(</span><span class="identifier-syntax">Y</span><span class="plain-syntax">))) </span><span class="identifier-syntax">KY</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tupling</span><span class="plain-syntax"> >= </span><span class="constant-syntax">2</span><span class="plain-syntax">) && (</span><span class="function-syntax"><k-tupled-term></span><span class="plain-syntax">(</span><span class="identifier-syntax">Y</span><span class="plain-syntax">))) </span><span class="identifier-syntax">KY</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></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">KY</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP12_1_2" class="named-paragraph-link"><span class="named-paragraph">The relation constructor defaults to Y matching X, if X is specified</span><span class="named-paragraph-number">12.1.2</span></a></span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::arity</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">) == </span><span class="constant-syntax">1</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">KX</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::unary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="identifier-syntax">KX</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">if</span><span class="plain-syntax"> ((</span><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::arity</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">) == </span><span class="constant-syntax">2</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">KX</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">KY</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> ==> { -, </span><a href="2-knd.html#SP6_3" class="function-link"><span class="function-syntax">Kinds::binary_con</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="identifier-syntax">KX</span><span class="plain-syntax">, </span><span class="identifier-syntax">KY</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>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP12">§12</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP12_1_1" class="paragraph-anchor"></a><b>§12.1.1. </b>Ordinarily missing X or Y are filled in as "value", but...
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">The rule and rulebook constructors default to actions for X</span><span class="named-paragraph-number">12.1.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_rule</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_rulebook</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_action_name</span><span class="plain-syntax">) </span><span class="identifier-syntax">KX</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_action_name</span><span class="plain-syntax">; </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">KX</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">KY</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP12_1">§12.1</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP12_1_2" class="paragraph-anchor"></a><b>§12.1.2. </b>And...
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">The relation constructor defaults to Y matching X, if X is specified</span><span class="named-paragraph-number">12.1.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_relation</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Wordings::empty</span><span class="plain-syntax">(</span><span class="identifier-syntax">Y</span><span class="plain-syntax">))) </span><span class="identifier-syntax">KY</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KX</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP12_1">§12.1</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP13" class="paragraph-anchor"></a><b>§13. </b>Where the materials used in construction are not quite kinds, but can
|
|
be more varied.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-single-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-single-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><article></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-single-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 2 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
|
|
<span class="Preform-function-syntax"><k-optional-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-optional-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><article></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-optional-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 2 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">nothing</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, K_nil }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">action</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, K_action_name }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
|
|
<span class="Preform-function-syntax"><k-tupled-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-tuple-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">nothing</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, K_void }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-single-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, Kinds::binary_con(CON_TUPLE_ENTRY, RP[1], K_void) }</span>
|
|
|
|
<span class="Preform-function-syntax"><k-tuple-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-single-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">,</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-tuple-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, Kinds::binary_con(CON_TUPLE_ENTRY, RP[1], RP[2]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-single-term></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { -, Kinds::binary_con(CON_TUPLE_ENTRY, RP[1], K_void) }</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="SP14" class="paragraph-anchor"></a><b>§14. </b>The following looks at a word range and tries to find text making a kind
|
|
construction: if it does, it adjusts the word ranges to the kind(s) being
|
|
constructed on, and returns <span class="extract"><span class="Preform-extract-syntax">TRUE</span></span>; if it fails, it returns <span class="extract"><span class="Preform-extract-syntax">FALSE</span></span>. For
|
|
instance, given "list of marbles", it adjusts the word range to "marbles"
|
|
and returns <span class="extract"><span class="Preform-extract-syntax">TRUE</span></span>.
|
|
</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">Kinds::Textual::parse_constructor_name</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">Kinds::Textual::parse_constructor_name</span></span>:<br/><a href="2-dk.html#SP12">§12</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">kind_constructor</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> *</span><span class="identifier-syntax">KW</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> *</span><span class="identifier-syntax">LW</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">KW</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">p</span><span class="plain-syntax">=1; </span><span class="identifier-syntax">p</span><span class="plain-syntax"><=2; </span><span class="identifier-syntax">p</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">NW</span><span class="plain-syntax"> = </span><a href="4-kc2.html#SP10" class="function-link"><span class="function-syntax">Kinds::Constructors::get_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">, (</span><span class="identifier-syntax">p</span><span class="plain-syntax">==1)?</span><span class="identifier-syntax">FALSE: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">Wordings::nonempty</span><span class="plain-syntax">(</span><span class="identifier-syntax">NW</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">full_length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::length</span><span class="plain-syntax">(</span><span class="identifier-syntax">NW</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">k1</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">NW</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> *</span><span class="identifier-syntax">KW</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">; *</span><span class="identifier-syntax">LW</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="named-paragraph-container code-font"><a href="2-dk.html#SP14_1" class="named-paragraph-link"><span class="named-paragraph">Try this as a constructor name</span><span class="named-paragraph-number">14.1</span></a></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">KW</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">; *</span><span class="identifier-syntax">LW</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="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="SP14_1" class="paragraph-anchor"></a><b>§14.1. </b>Note that the name text for a constructor is likely to have a form like so:
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> relation STROKE relation of k to l STROKE relation of k</span>
|
|
</pre>
|
|
<p class="commentary">with multiple possibilities divided by strokes; each possibility must be
|
|
checked for.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Try this as a constructor name</span><span class="named-paragraph-number">14.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">base</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">full_length</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">k</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">k</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">k</span><span class="plain-syntax"><</span><span class="identifier-syntax">full_length</span><span class="plain-syntax">; </span><span class="identifier-syntax">k</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">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">k</span><span class="plain-syntax">) == </span><span class="identifier-syntax">STROKE_V</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">k</span><span class="plain-syntax"> - </span><span class="identifier-syntax">base</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">length</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP14_1_1" class="named-paragraph-link"><span class="named-paragraph">Try one option among the constructor's names</span><span class="named-paragraph-number">14.1.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">base</span><span class="plain-syntax"> = </span><span class="identifier-syntax">k</span><span class="plain-syntax">+1;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">full_length</span><span class="plain-syntax"> - </span><span class="identifier-syntax">base</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">length</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP14_1_1" class="named-paragraph-link"><span class="named-paragraph">Try one option among the constructor's names</span><span class="named-paragraph-number">14.1.1</span></a></span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP14">§14</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP14_1_1" class="paragraph-anchor"></a><b>§14.1.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Try one option among the constructor's names</span><span class="named-paragraph-number">14.1.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::length</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">) >= </span><span class="identifier-syntax">length</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">, </span><span class="identifier-syntax">failed</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">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax">=0, </span><span class="identifier-syntax">p</span><span class="plain-syntax">=</span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">); </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">length</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">vocabulary_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ve</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">base</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">ve</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CAPITAL_K_V</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">ve</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CAPITAL_L_V</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">from</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">i</span><span class="plain-syntax"> == </span><span class="identifier-syntax">length</span><span class="plain-syntax">-1) { </span><span class="identifier-syntax">p</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)+1; }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</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">bl</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">p</span><span class="plain-syntax"> <= </span><span class="identifier-syntax">Wordings::last_wn</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">vocabulary_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nw</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Lexer::word</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">nw</span><span class="plain-syntax"> == </span><span class="identifier-syntax">OPENBRACKET_V</span><span class="plain-syntax">) </span><span class="identifier-syntax">bl</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">nw</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CLOSEBRACKET_V</span><span class="plain-syntax">) </span><span class="identifier-syntax">bl</span><span class="plain-syntax">--;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">bl</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">nw</span><span class="plain-syntax"> == </span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">base</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">+1)) </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">p</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">p</span><span class="plain-syntax"> > </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) { </span><span class="identifier-syntax">failed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">; </span><span class="reserved-syntax">break</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ve</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CAPITAL_K_V</span><span class="plain-syntax">) { *</span><span class="identifier-syntax">KW</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">from</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">-1); }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> { *</span><span class="identifier-syntax">LW</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">from</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">-1); }</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</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">ve</span><span class="plain-syntax"> != </span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">++)) { </span><span class="identifier-syntax">failed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">; </span><span class="reserved-syntax">break</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">p</span><span class="plain-syntax"> != </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)+1) </span><span class="identifier-syntax">failed</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">failed</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</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>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP14_1">§14.1</a> (twice).</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP15" class="paragraph-anchor"></a><b>§15. Kinds of kind. </b>This is actually just <k-kind> in disguise, but only lets the result through
|
|
if it's a kind of kind, like "arithmetic value"; something like "number"
|
|
or "list of texts" will fail.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind-of-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }; if (Kinds::Behaviour::is_kind_of_kind(RP[1]) == FALSE) return FALSE;</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="SP16" class="paragraph-anchor"></a><b>§16. Parsing kind variables. </b>As a small detour, here's how we deal with the pleasingly simple names A to Z
|
|
for kind variables, converting them to and from the numbers 1 to 26:
|
|
</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">Kinds::Textual::parse_variable</span><span class="plain-syntax">(</span><span class="identifier-syntax">vocabulary_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ve</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">ve</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="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="2-dk.html#SP16" class="function-link"><span class="function-syntax">Kinds::Textual::parse_kind_variable_name</span></a><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Vocabulary::get_exemplar</span><span class="plain-syntax">(</span><span class="identifier-syntax">ve</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</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">int</span><span class="plain-syntax"> </span><span class="function-syntax">Kinds::Textual::parse_kind_variable_name</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">Kinds::Textual::parse_kind_variable_name</span></span>:<br/><a href="2-dk.html#SP17">§17</a>, <a href="2-dk.html#SP18">§18</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">allow_lower</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">p</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="constant-syntax">0</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">p</span><span class="plain-syntax">[1] == </span><span class="constant-syntax">0</span><span class="plain-syntax">) || ((</span><span class="identifier-syntax">p</span><span class="plain-syntax">[1] == </span><span class="character-syntax">'s'</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[2] == </span><span class="constant-syntax">0</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">p</span><span class="plain-syntax">[0] >= </span><span class="character-syntax">'A'</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[0] <= </span><span class="character-syntax">'Z'</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">p</span><span class="plain-syntax">[0] - </span><span class="character-syntax">'A'</span><span class="plain-syntax"> + </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">allow_lower</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[0] >= </span><span class="character-syntax">'a'</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[0] <= </span><span class="character-syntax">'z'</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">p</span><span class="plain-syntax">[0] - </span><span class="character-syntax">'a'</span><span class="plain-syntax"> + </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">Kinds::Textual::parse_kind_variable_name_singular</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">Kinds::Textual::parse_kind_variable_name_singular</span></span>:<br/><a href="2-dk.html#SP19">§19</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">wchar_t</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">p</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[1] == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[0] >= </span><span class="character-syntax">'A'</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">p</span><span class="plain-syntax">[0] <= </span><span class="character-syntax">'Z'</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">p</span><span class="plain-syntax">[0] - </span><span class="character-syntax">'A'</span><span class="plain-syntax"> + </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP17" class="paragraph-anchor"></a><b>§17. </b>Kind variables are written with the letters A to Z. That provides for only
|
|
26 of them, but it's very, very rare to need more than 2, in practice.
|
|
</p>
|
|
|
|
<p class="commentary">The following nonterminal matches only those kind variables whose values are
|
|
actually set, and it returns those values. This is how kind variables are
|
|
parsed almost all of the time.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind-variable></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">1</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax"> = </span><a href="2-dk.html#SP16" class="function-link"><span class="Preform-function-syntax">Kinds::Textual::parse_kind_variable_name</span></a><span class="Preform-plain-syntax">(</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">Lexer::word_raw_text</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::first_wn</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)), </span><span class="Preform-identifier-syntax">FALSE</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax"> != </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">kind</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> = </span><a href="2-knd.html#SP23" class="function-link"><span class="Preform-function-syntax">Kinds::variable_from_context</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax">) { ==> { </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">K</span><span class="Preform-plain-syntax"> }; </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">; }</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</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="SP18" class="paragraph-anchor"></a><b>§18. </b>But we can also formally parse A to Z as their own abstract identities;
|
|
now they always parse, regardless of what might be stored in them, and
|
|
they aren't replaced with their values (which they may not even have).
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-formal-variable></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">1</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax"> = </span><a href="2-dk.html#SP16" class="function-link"><span class="Preform-function-syntax">Kinds::Textual::parse_kind_variable_name</span></a><span class="Preform-plain-syntax">(</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">Lexer::word_raw_text</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::first_wn</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)), </span><span class="Preform-identifier-syntax">FALSE</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax"> != </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">, </span><a href="2-knd.html#SP6_2" class="function-link"><span class="Preform-function-syntax">Kinds::var_construction</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">) };</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</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="SP19" class="paragraph-anchor"></a><b>§19. </b>And it's also convenient to have:
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-formal-variable-singular></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">1</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax"> = </span><a href="2-dk.html#SP16" class="function-link"><span class="Preform-function-syntax">Kinds::Textual::parse_kind_variable_name_singular</span></a><span class="Preform-plain-syntax">(</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">Lexer::word_raw_text</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::first_wn</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)));</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax"> != </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">, </span><a href="2-knd.html#SP6_2" class="function-link"><span class="Preform-function-syntax">Kinds::var_construction</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">) };</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</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="SP20" class="paragraph-anchor"></a><b>§20. </b>For efficiency's sake, we don't actually parse directly using this
|
|
nonterminal, but it's needed all the same because of Preform's optimisations.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><k-kind-variable-texts></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">a/as</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">b/bs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">c/cs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">d/ds</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">e/es</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">f/fs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">g/gs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">h/hs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">i/is</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">j/js</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">k/ks</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">l/ls</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">m/ms</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">n/ns</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">o/os</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">p/ps</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">q/qs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">r/rs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">s/ss</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">t/ts</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">u/us</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">v/vs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">w/ws</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">x/xs</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">y/ys</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">z/zs</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="SP21" class="paragraph-anchor"></a><b>§21. Textual descriptions. </b>The following pretty-printer is inverse to the code which parses text and
|
|
turns it into a <span class="extract"><span class="Preform-extract-syntax">kind</span></span> structure, or very nearly so. We use common
|
|
code to handle all of the reasons why we might want to spell out a kind
|
|
in words — the log, the index, problem messages, comments in code, and
|
|
so on. For example:
|
|
</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">Kinds::Textual::log</span><span class="plain-syntax">(</span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP22" class="function-link"><span class="function-syntax">Kinds::Textual::write</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">DL</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</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">Kinds::Textual::logger</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">vK</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">vK</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP22" class="function-link"><span class="function-syntax">Kinds::Textual::write</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</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">Kinds::Textual::writer</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">Kinds::Textual::writer</span></span>:<br/>Kinds Module - <a href="1-km.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">char</span><span class="plain-syntax"> *</span><span class="identifier-syntax">format_string</span><span class="plain-syntax">, </span><span class="reserved-syntax">void</span><span class="plain-syntax"> *</span><span class="identifier-syntax">vK</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *) </span><span class="identifier-syntax">vK</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP22" class="function-link"><span class="function-syntax">Kinds::Textual::write</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP22" class="paragraph-anchor"></a><b>§22. </b>Thus we have a basic pretty-printer...
|
|
</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">Kinds::Textual::write</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">Kinds::Textual::write</span></span>:<br/><a href="2-dk.html#SP21">§21</a>, <a href="2-dk.html#SP24_1_2">§24.1.2</a><br/>Dimensions - <a href="3-dmn.html#SP26">§26</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP24" class="function-link"><span class="function-syntax">Kinds::Textual::write_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</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">void</span><span class="plain-syntax"> </span><span class="function-syntax">Kinds::Textual::write_plural</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP24" class="function-link"><span class="function-syntax">Kinds::Textual::write_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</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="SP23" class="paragraph-anchor"></a><b>§23. </b>...and also one which prefaces the kind name with an article.
|
|
</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">Kinds::Textual::write_articled</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</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">TEMP</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP24" class="function-link"><span class="function-syntax">Kinds::Textual::write_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">TEMP</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</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">ArticleInflection::preface_by_article</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">TEMP</span><span class="plain-syntax">, </span><span class="identifier-syntax">DefaultLanguage::get</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">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">TEMP</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP24" class="paragraph-anchor"></a><b>§24. </b>In all cases we make use of the following recursive method:
|
|
</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">Kinds::Textual::write_inner</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">Kinds::Textual::write_inner</span></span>:<br/><a href="2-dk.html#SP22">§22</a>, <a href="2-dk.html#SP23">§23</a>, <a href="2-dk.html#SP24_1_1">§24.1.1</a>, <a href="2-dk.html#SP24_1_2">§24.1.2</a>, <a href="2-dk.html#SP25">§25</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">plural_form</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">substituting</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</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"nothing"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</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</span><span class="plain-syntax"> == </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"nothing"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</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</span><span class="plain-syntax"> == </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"nothing"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind_constructor</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con</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><a href="2-knd.html#SP13" class="function-link"><span class="function-syntax">Kinds::is_proper_constructor</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">)) </span><span class="identifier-syntax">con</span><span class="plain-syntax"> = </span><a href="2-knd.html#SP11" class="function-link"><span class="function-syntax">Kinds::get_construct</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_1" class="named-paragraph-link"><span class="named-paragraph">Write punctuation kinds out to the stream</span><span class="named-paragraph-number">24.1</span></a></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">con</span><span class="plain-syntax">) </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_3" class="named-paragraph-link"><span class="named-paragraph">Write constructor kinds out to the stream</span><span class="named-paragraph-number">24.3</span></a></span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_2" class="named-paragraph-link"><span class="named-paragraph">Write base kinds out to the stream</span><span class="named-paragraph-number">24.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP24_1" class="paragraph-anchor"></a><b>§24.1. </b>Note that we do cheat in one case, in our resolve to have only a single
|
|
written form for kinds in all contexts — we give a low-level description of
|
|
an intermediate value in the debugging log. But such a thing can't be exposed
|
|
higher up in Inform, so it's no loss to the index, problem messages, etc.,
|
|
to miss out on this detail.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Write punctuation kinds out to the stream</span><span class="named-paragraph-number">24.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind_constructor</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con</span><span class="plain-syntax"> = </span><a href="2-knd.html#SP11" class="function-link"><span class="function-syntax">Kinds::get_construct</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</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">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_VOID</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"void"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</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">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_NIL</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"nil"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</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">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_TUPLE_ENTRY</span><span class="plain-syntax">) { </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_1_1" class="named-paragraph-link"><span class="named-paragraph">Describe a continuing tuple</span><span class="named-paragraph-number">24.1.1</span></a></span><span class="plain-syntax">; </span><span class="reserved-syntax">return</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">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_KIND_VARIABLE</span><span class="plain-syntax">) { </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_1_2" class="named-paragraph-link"><span class="named-paragraph">Describe a kind variable, either by name or by value</span><span class="named-paragraph-number">24.1.2</span></a></span><span class="plain-syntax">; </span><span class="reserved-syntax">return</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">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_INTERMEDIATE</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">OUT</span><span class="plain-syntax"> == </span><span class="identifier-syntax">DL</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">"$Q"</span><span class="plain-syntax">, </span><a href="2-uk.html#SP19" class="function-link"><span class="function-syntax">Kinds::Behaviour::get_dimensional_form</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><a href="3-dmn.html#SP26" class="function-link"><span class="function-syntax">Kinds::Dimensions::index_unit_sequence</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="2-uk.html#SP19" class="function-link"><span class="function-syntax">Kinds::Behaviour::get_dimensional_form</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</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="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24">§24</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_1_1" class="paragraph-anchor"></a><b>§24.1.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Describe a continuing tuple</span><span class="named-paragraph-number">24.1.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, *</span><span class="identifier-syntax">tail</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-knd.html#SP15" class="function-link"><span class="function-syntax">Kinds::binary_construction_material</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, &</span><span class="identifier-syntax">head</span><span class="plain-syntax">, &</span><span class="identifier-syntax">tail</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP24" class="function-link"><span class="function-syntax">Kinds::Textual::write_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">head</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">substituting</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP11" class="function-link"><span class="function-syntax">Kinds::get_construct</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">tail</span><span class="plain-syntax">) != </span><span class="identifier-syntax">CON_VOID</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">", "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP24" class="function-link"><span class="function-syntax">Kinds::Textual::write_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">tail</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">substituting</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24_1">§24.1</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_1_2" class="paragraph-anchor"></a><b>§24.1.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Describe a kind variable, either by name or by value</span><span class="named-paragraph-number">24.1.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">vn</span><span class="plain-syntax"> = </span><a href="2-knd.html#SP12" class="function-link"><span class="function-syntax">Kinds::get_variable_number</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</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">substituting</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">vn</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">subst</span><span class="plain-syntax"> = </span><a href="2-knd.html#SP23" class="function-link"><span class="function-syntax">Kinds::variable_from_context</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">vn</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">subst</span><span class="plain-syntax">) { </span><a href="2-dk.html#SP24" class="function-link"><span class="function-syntax">Kinds::Textual::write_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">subst</span><span class="plain-syntax">, </span><span class="identifier-syntax">plural_form</span><span class="plain-syntax">, </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</span><span class="plain-syntax">; }</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">"%c"</span><span class="plain-syntax">, </span><span class="character-syntax">'A'</span><span class="plain-syntax"> + </span><span class="identifier-syntax">vn</span><span class="plain-syntax"> - </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">plural_form</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"s"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><a href="2-knd.html#SP12" class="function-link"><span class="function-syntax">Kinds::get_variable_stipulation</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">S</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">S</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" ["</span><span class="plain-syntax">); </span><a href="2-dk.html#SP22" class="function-link"><span class="function-syntax">Kinds::Textual::write</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">S</span><span class="plain-syntax">); </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"]"</span><span class="plain-syntax">); }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24_1">§24.1</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_2" class="paragraph-anchor"></a><b>§24.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Write base kinds out to the stream</span><span class="named-paragraph-number">24.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_pointer_value</span><span class="plain-syntax">)) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"pointer value"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_stored_value</span><span class="plain-syntax">)) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"stored value"</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">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%W"</span><span class="plain-syntax">, </span><a href="2-uk.html#SP1" class="function-link"><span class="function-syntax">Kinds::Behaviour::get_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">plural_form</span><span class="plain-syntax">));</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24">§24</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_3" class="paragraph-anchor"></a><b>§24.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Write constructor kinds out to the stream</span><span class="named-paragraph-number">24.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">first_base</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, *</span><span class="identifier-syntax">second_base</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><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::arity</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">) == </span><span class="constant-syntax">1</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">first_base</span><span class="plain-syntax"> = </span><a href="2-knd.html#SP14" class="function-link"><span class="function-syntax">Kinds::unary_construction_material</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span>
|
|
<span class="plain-syntax"> </span><a href="2-knd.html#SP15" class="function-link"><span class="function-syntax">Kinds::binary_construction_material</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, &</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, &</span><span class="identifier-syntax">second_base</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_3_1" class="named-paragraph-link"><span class="named-paragraph">Make a special case for either/or properties</span><span class="named-paragraph-number">24.3.1</span></a></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">KW</span><span class="plain-syntax"> = </span><a href="2-uk.html#SP1" class="function-link"><span class="function-syntax">Kinds::Behaviour::get_name</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">plural_form</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">k1</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">KW</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">full_length</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::length</span><span class="plain-syntax">(</span><span class="identifier-syntax">KW</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">from</span><span class="plain-syntax">, </span><span class="identifier-syntax">to</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_3_2" class="named-paragraph-link"><span class="named-paragraph">Choose which form of the constructor to use when writing this out</span><span class="named-paragraph-number">24.3.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_3_3" class="named-paragraph-link"><span class="named-paragraph">Actually write out the chosen form of the constructor</span><span class="named-paragraph-number">24.3.3</span></a></span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24">§24</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_3_1" class="paragraph-anchor"></a><b>§24.3.1. </b>Since Inform reads "either/or property" as syntactic sugar for "truth
|
|
state valued property", we'll also write it: it's a much more familiar
|
|
usage.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make a special case for either/or properties</span><span class="named-paragraph-number">24.3.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_property</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_truth_state</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">"either/or property"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24_3">§24.3</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_3_2" class="paragraph-anchor"></a><b>§24.3.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Choose which form of the constructor to use when writing this out</span><span class="named-paragraph-number">24.3.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="comment-syntax"> these initialisations have no effect but avoid warnings</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[2][2], </span><span class="identifier-syntax">choice_to</span><span class="plain-syntax">[2][2];</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_3_2_1" class="named-paragraph-link"><span class="named-paragraph">Determine the possible forms for writing this constructor</span><span class="named-paragraph-number">24.3.2.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">; </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_rule</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_rulebook</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_action_name</span><span class="plain-syntax">)) </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">)) </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">)) </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_property</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">))) </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_table_column</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_value</span><span class="plain-syntax">))) </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_relation</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">second_base</span><span class="plain-syntax">))) </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::arity</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">) == </span><span class="constant-syntax">1</span><span class="plain-syntax">) </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">second_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">)) </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="2-knd.html#SP24" class="function-link"><span class="function-syntax">Kinds::eq</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">second_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">)) </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[</span><span class="identifier-syntax">k_present</span><span class="plain-syntax">][</span><span class="identifier-syntax">l_present</span><span class="plain-syntax">] == -1) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[1][</span><span class="identifier-syntax">l_present</span><span class="plain-syntax">] >= </span><span class="constant-syntax">0</span><span class="plain-syntax">)) </span><span class="identifier-syntax">k_present</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[</span><span class="identifier-syntax">k_present</span><span class="plain-syntax">][1] >= </span><span class="constant-syntax">0</span><span class="plain-syntax">)) </span><span class="identifier-syntax">l_present</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[1][1] >= </span><span class="constant-syntax">0</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">k_present</span><span class="plain-syntax">++; </span><span class="identifier-syntax">l_present</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">from</span><span class="plain-syntax"> = </span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[</span><span class="identifier-syntax">k_present</span><span class="plain-syntax">][</span><span class="identifier-syntax">l_present</span><span class="plain-syntax">];</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">to</span><span class="plain-syntax"> = </span><span class="identifier-syntax">choice_to</span><span class="plain-syntax">[</span><span class="identifier-syntax">k_present</span><span class="plain-syntax">][</span><span class="identifier-syntax">l_present</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">from</span><span class="plain-syntax"> < </span><span class="constant-syntax">0</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">from</span><span class="plain-syntax"> >= </span><span class="identifier-syntax">full_length</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">to</span><span class="plain-syntax"> < </span><span class="constant-syntax">0</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">to</span><span class="plain-syntax"> >= </span><span class="identifier-syntax">full_length</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">to</span><span class="plain-syntax"><</span><span class="identifier-syntax">from</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">"%W: %d, %d, %d\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">KW</span><span class="plain-syntax">, </span><span class="identifier-syntax">from</span><span class="plain-syntax">, </span><span class="identifier-syntax">to</span><span class="plain-syntax">, </span><span class="identifier-syntax">full_length</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"constructor form choice failed"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24_3">§24.3</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_3_2_1" class="paragraph-anchor"></a><b>§24.3.2.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Determine the possible forms for writing this constructor</span><span class="named-paragraph-number">24.3.2.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">from</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">choice_from</span><span class="plain-syntax">[0][0] = -1; </span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[0][1] = -1;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[1][0] = -1; </span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[1][1] = -1;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax">=0, </span><span class="identifier-syntax">from</span><span class="plain-syntax"> = -1; </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">full_length</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">from</span><span class="plain-syntax"> == -1) { </span><span class="identifier-syntax">from</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">; </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">) == </span><span class="identifier-syntax">CAPITAL_K_V</span><span class="plain-syntax">) </span><span class="identifier-syntax">k_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">) == </span><span class="identifier-syntax">CAPITAL_L_V</span><span class="plain-syntax">) </span><span class="identifier-syntax">l_present</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">) == </span><span class="identifier-syntax">STROKE_V</span><span class="plain-syntax">) </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_3_2_1_1" class="named-paragraph-link"><span class="named-paragraph">End this constructor possibility</span><span class="named-paragraph-number">24.3.2.1.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="2-dk.html#SP24_3_2_1_1" class="named-paragraph-link"><span class="named-paragraph">End this constructor possibility</span><span class="named-paragraph-number">24.3.2.1.1</span></a></span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24_3_2">§24.3.2</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_3_2_1_1" class="paragraph-anchor"></a><b>§24.3.2.1.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">End this constructor possibility</span><span class="named-paragraph-number">24.3.2.1.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">choice_from</span><span class="plain-syntax">[</span><span class="identifier-syntax">k_present</span><span class="plain-syntax">][</span><span class="identifier-syntax">l_present</span><span class="plain-syntax">] = </span><span class="identifier-syntax">from</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">choice_to</span><span class="plain-syntax">[</span><span class="identifier-syntax">k_present</span><span class="plain-syntax">][</span><span class="identifier-syntax">l_present</span><span class="plain-syntax">] = </span><span class="identifier-syntax">i</span><span class="plain-syntax">-1;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">from</span><span class="plain-syntax"> = -1;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24_3_2_1">§24.3.2.1</a> (twice).</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP24_3_3" class="paragraph-anchor"></a><b>§24.3.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Actually write out the chosen form of the constructor</span><span class="named-paragraph-number">24.3.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax">=</span><span class="identifier-syntax">from</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax"><=</span><span class="identifier-syntax">to</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax"> > </span><span class="identifier-syntax">from</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" "</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">) == </span><span class="identifier-syntax">CAPITAL_K_V</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP25" class="function-link"><span class="function-syntax">Kinds::Textual::desc_base</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">substituting</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">) == </span><span class="identifier-syntax">CAPITAL_L_V</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP25" class="function-link"><span class="function-syntax">Kinds::Textual::desc_base</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">, </span><span class="identifier-syntax">second_base</span><span class="plain-syntax">, </span><span class="identifier-syntax">substituting</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">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%V"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k1</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="2-dk.html#SP24_3">§24.3</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP25" class="paragraph-anchor"></a><b>§25. </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">Kinds::Textual::desc_base</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">Kinds::Textual::desc_base</span></span>:<br/><a href="2-dk.html#SP24_3_3">§24.3.3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">kind_constructor</span><span class="plain-syntax"> *</span><span class="identifier-syntax">con</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">b</span><span class="plain-syntax">, </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">substituting</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</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"nothing"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</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</span><span class="plain-syntax"> == </span><span class="identifier-syntax">K_nil</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"nothing"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</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</span><span class="plain-syntax"> == </span><span class="identifier-syntax">K_void</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"nothing"</span><span class="plain-syntax">); </span><span class="reserved-syntax">return</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">pluralised</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">tupled</span><span class="plain-syntax"> = </span><a href="4-kc2.html#SP16" class="function-link"><span class="function-syntax">Kinds::Constructors::tupling</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">con</span><span class="plain-syntax">, </span><span class="identifier-syntax">b</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">bracketed</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">tupled</span><span class="plain-syntax"> > </span><span class="constant-syntax">1</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP11" class="function-link"><span class="function-syntax">Kinds::get_construct</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">) == </span><span class="identifier-syntax">CON_TUPLE_ENTRY</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">first_base</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, *</span><span class="identifier-syntax">second_base</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-knd.html#SP15" class="function-link"><span class="function-syntax">Kinds::binary_construction_material</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">, &</span><span class="identifier-syntax">first_base</span><span class="plain-syntax">, &</span><span class="identifier-syntax">second_base</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">second_base</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP11" class="function-link"><span class="function-syntax">Kinds::get_construct</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">second_base</span><span class="plain-syntax">) == </span><span class="identifier-syntax">CON_TUPLE_ENTRY</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">bracketed</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">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">b</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_phrase</span><span class="plain-syntax">) && (</span><a href="2-knd.html#SP11" class="function-link"><span class="function-syntax">Kinds::get_construct</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">K</span><span class="plain-syntax">) == </span><span class="identifier-syntax">CON_phrase</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">bracketed</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">bracketed</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"("</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">tupled</span><span class="plain-syntax"> > </span><span class="constant-syntax">1</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">con</span><span class="plain-syntax"> == </span><span class="identifier-syntax">CON_phrase</span><span class="plain-syntax">)) </span><span class="identifier-syntax">pluralised</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><a href="2-dk.html#SP24" class="function-link"><span class="function-syntax">Kinds::Textual::write_inner</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">, </span><span class="identifier-syntax">pluralised</span><span class="plain-syntax">, </span><span class="identifier-syntax">substituting</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">bracketed</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">")"</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="2-tlok.html">❮</a></li><li class="progresschapter"><a href="P-wtmd.html">P</a></li><li class="progresschapter"><a href="1-km.html">1</a></li><li class="progresscurrentchapter">2</li><li class="progresssection"><a href="2-knd.html">knd</a></li><li class="progresssection"><a href="2-fk.html">fk</a></li><li class="progresssection"><a href="2-tlok.html">tlok</a></li><li class="progresscurrent">dk</li><li class="progresssection"><a href="2-uk.html">uk</a></li><li class="progresschapter"><a href="3-dmn.html">3</a></li><li class="progresschapter"><a href="4-abgtn.html">4</a></li><li class="progressnext"><a href="2-uk.html">❯</a></li></ul></div>
|
|
</nav><!--End of weave-->
|
|
|
|
</main>
|
|
</body>
|
|
</html>
|
|
|