mirror of
https://github.com/ganelson/inform.git
synced 2024-07-16 22:14:23 +03:00
249 lines
42 KiB
HTML
249 lines
42 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<title>Combinations Template</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>
|
|
MathJax = {
|
|
tex: {
|
|
inlineMath: '$', '$'], ['\\(', '\\)'
|
|
},
|
|
svg: {
|
|
fontCache: 'global'
|
|
}
|
|
};
|
|
</script>
|
|
<script type="text/javascript" id="MathJax-script" async
|
|
src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js">
|
|
</script>
|
|
|
|
<link href="../docs-assets/Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
|
|
</head>
|
|
<body class="commentary-font">
|
|
<nav role="navigation">
|
|
<h1><a href="../index.html">
|
|
<img src="../docs-assets/Inform.png" height=72">
|
|
</a></h1>
|
|
<ul><li><a href="../index.html">home</a></li>
|
|
</ul><h2>Compiler</h2><ul>
|
|
<li><a href="../structure.html">structure</a></li>
|
|
<li><a href="../inbuildn.html">inbuild</a></li>
|
|
<li><a href="../inform7n.html">inform7</a></li>
|
|
<li><a href="../intern.html">inter</a></li>
|
|
<li><a href="../services.html">services</a></li>
|
|
<li><a href="../secrets.html">secrets</a></li>
|
|
</ul><h2>Other Tools</h2><ul>
|
|
<li><a href="../inblorbn.html">inblorb</a></li>
|
|
<li><a href="../indocn.html">indoc</a></li>
|
|
<li><a href="../inform6.html">inform6</a></li>
|
|
<li><a href="../inpolicyn.html">inpolicy</a></li>
|
|
<li><a href="../inrtpsn.html">inrtps</a></li>
|
|
</ul><h2>Resources</h2><ul>
|
|
<li><a href="../extensions.html">extensions</a></li>
|
|
<li><a href="../kits.html">kits</a></li>
|
|
</ul><h2>Repository</h2><ul>
|
|
<li><a href="https://github.com/ganelson/inform"><img src="../docs-assets/github.png" height=18> github</a></li>
|
|
</ul><h2>Related Projects</h2><ul>
|
|
<li><a href="../../../inweb/index.html">inweb</a></li>
|
|
<li><a href="../../../intest/index.html">intest</a></li>
|
|
|
|
</ul>
|
|
</nav>
|
|
<main role="main">
|
|
<!--Weave of 'Combinations Template' generated by Inweb-->
|
|
<div class="breadcrumbs">
|
|
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../extensions.html">Kits</a></li><li><a href="index.html">BasicInformKit</a></li><li><b>Combinations Template</b></li></ul></div>
|
|
<p class="purpose">Code to support the combination kind of value constructor.</p>
|
|
|
|
<ul class="toc"><li><a href="S-cmb.html#SP1">§1. Block Format</a></li><li><a href="S-cmb.html#SP2">§2. KOV Support</a></li><li><a href="S-cmb.html#SP3">§3. Creation</a></li><li><a href="S-cmb.html#SP4">§4. Destruction</a></li><li><a href="S-cmb.html#SP5">§5. Copying</a></li><li><a href="S-cmb.html#SP6">§6. Comparison</a></li><li><a href="S-cmb.html#SP7">§7. Hashing</a></li><li><a href="S-cmb.html#SP8">§8. Printing</a></li></ul><hr class="tocbar">
|
|
|
|
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Block Format. </b>A combination is like a list, but simpler; it has a fixed, usually short,
|
|
size. On the other hand, its entries are not all of the same kind as each
|
|
other.
|
|
</p>
|
|
|
|
<p class="commentary">The short block for a combination is simply a pointer to the long block.
|
|
This consists of one word to hold the strong kind ID, and then one word
|
|
for each entry in the combination. Thus, a triple combination uses 4 words.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">Constant</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">; </span><span class="comment-syntax">Strong kind ID</span>
|
|
<span class="reserved-syntax">Constant</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">; </span><span class="comment-syntax">List items begin at this entry</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. KOV Support. </b>See the "BlockValues.i6t" segment for the specification of the following
|
|
routines.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Support</span><span class="plain-syntax"> </span><span class="identifier-syntax">task</span><span class="plain-syntax"> </span><span class="identifier-syntax">arg1</span><span class="plain-syntax"> </span><span class="identifier-syntax">arg2</span><span class="plain-syntax"> </span><span class="identifier-syntax">arg3</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax">(</span><span class="identifier-syntax">task</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">CREATE_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMBINATION_TY_Create</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">, </span><span class="identifier-syntax">arg2</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DESTROY_KOVS</span><span class="plain-syntax">: </span><span class="identifier-syntax">COMBINATION_TY_Destroy</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">MAKEMUTABLE_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">return</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">COPYKIND_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMBINATION_TY_CopyKind</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">, </span><span class="identifier-syntax">arg2</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">COPYQUICK_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">COPYSB_KOVS</span><span class="plain-syntax">: </span><span class="identifier-syntax">BlkValueCopySB1</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">, </span><span class="identifier-syntax">arg2</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">KINDDATA_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMBINATION_TY_KindData</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">EXTENT_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">return</span><span class="plain-syntax"> -1;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">COPY_KOVS</span><span class="plain-syntax">: </span><span class="identifier-syntax">COMBINATION_TY_Copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">, </span><span class="identifier-syntax">arg2</span><span class="plain-syntax">, </span><span class="identifier-syntax">arg3</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">COMPARE_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMBINATION_TY_Compare</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">, </span><span class="identifier-syntax">arg2</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">HASH_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">COMBINATION_TY_Hash</span><span class="plain-syntax">(</span><span class="identifier-syntax">arg1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">DEBUG_KOVS</span><span class="plain-syntax">: </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">" = "</span><span class="plain-syntax">, (</span><span class="identifier-syntax">COMBINATION_TY_Say</span><span class="plain-syntax">) </span><span class="identifier-syntax">arg1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="comment-syntax">We choose not to respond to: CAST_KOVS, READ_FILE_KOVS, WRITE_FILE_KOVS</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. Creation. </b>A combination is like a list, but simpler; it has a fixed, usually short,
|
|
size. On the other hand, its entries are not all of the same kind as each
|
|
other.
|
|
</p>
|
|
|
|
<p class="commentary">Combinations are stored as a fixed-sized block of word entries. The first
|
|
block is the only header information: a pointer to a further structure in
|
|
memory, describing the kind. The subsequent blocks are the actual records.
|
|
Thus, a triple \((x, y, z)\) uses 4 words.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Create</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> </span><span class="identifier-syntax">sb</span><span class="plain-syntax"> </span><span class="identifier-syntax">long_block</span><span class="plain-syntax"> </span><span class="identifier-syntax">N</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">bk</span><span class="plain-syntax"> </span><span class="identifier-syntax">v</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">N</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseArity</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">long_block</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FlexAllocate</span><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">+</span><span class="identifier-syntax">N</span><span class="plain-syntax">)*</span><span class="identifier-syntax">WORDSIZE</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_TY</span><span class="plain-syntax">, </span><span class="identifier-syntax">BLK_FLAG_WORD</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueWrite</span><span class="plain-syntax">(</span><span class="identifier-syntax">long_block</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind</span><span class="plain-syntax">, </span><span class="reserved-syntax">true</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">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">N</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">bk</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseTerm</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">KOVIsBlockValue</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</span><span class="plain-syntax">)) </span><span class="identifier-syntax">v</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueCreate</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</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">v</span><span class="plain-syntax"> = </span><span class="identifier-syntax">DefaultValueOfKOV</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueWrite</span><span class="plain-syntax">(</span><span class="identifier-syntax">long_block</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">v</span><span class="plain-syntax">, </span><span class="reserved-syntax">true</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueCreateSB1</span><span class="plain-syntax">(</span><span class="identifier-syntax">sb</span><span class="plain-syntax">, </span><span class="identifier-syntax">long_block</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. Destruction. </b>If the comb items are themselves block-values, they must all be freed before
|
|
the comb itself can be freed.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Destroy</span><span class="plain-syntax"> </span><span class="identifier-syntax">comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">bk</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseArity</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</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">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">no_items</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">bk</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseTerm</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">KOVIsBlockValue</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueFree</span><span class="plain-syntax">(</span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. Copying. </b>Again, if the comb contains block-values then they must be duplicated rather
|
|
than bitwise copied as pointers.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_CopyKind</span><span class="plain-syntax"> </span><span class="reserved-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">BlkValueWrite</span><span class="plain-syntax">(</span><span class="reserved-syntax">to</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">, </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">from</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax">];</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_CopySB</span><span class="plain-syntax"> </span><span class="reserved-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">BlkValueCopySB1</span><span class="plain-syntax">(</span><span class="reserved-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="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_KindData</span><span class="plain-syntax"> </span><span class="identifier-syntax">comb</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">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">];</span>
|
|
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Copy</span><span class="plain-syntax"> </span><span class="identifier-syntax">to_comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">from_comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">precopied_comb_kov</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">nv</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> </span><span class="identifier-syntax">bk</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="comment-syntax">kind = BlkValueRead(to_comb, COMBINATION_KIND_F);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseArity</span><span class="plain-syntax">(</span><span class="identifier-syntax">precopied_comb_kov</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueWrite</span><span class="plain-syntax">(</span><span class="identifier-syntax">to_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">, </span><span class="identifier-syntax">precopied_comb_kov</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">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">no_items</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">bk</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseTerm</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">KOVIsBlockValue</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">nv</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueCreate</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueCopy</span><span class="plain-syntax">(</span><span class="identifier-syntax">nv</span><span class="plain-syntax">, </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">from_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueWrite</span><span class="plain-syntax">(</span><span class="identifier-syntax">to_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">, </span><span class="identifier-syntax">nv</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. Comparison. </b>This is a lexicographic comparison and assumes both combinations have the
|
|
same kind.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Compare</span><span class="plain-syntax"> </span><span class="identifier-syntax">left_comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">right_comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">delta</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">cf</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> </span><span class="identifier-syntax">bk</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">left_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseArity</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</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">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">no_items</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">bk</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseTerm</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">cf</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KOVComparisonFunction</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</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">cf</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax"> </span><span class="reserved-syntax">or</span><span class="plain-syntax"> </span><span class="identifier-syntax">UnsignedCompare</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">delta</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">left_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">) -</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">right_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_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">delta</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">delta</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="identifier-syntax">delta</span><span class="plain-syntax"> = </span><span class="identifier-syntax">cf</span><span class="plain-syntax">(</span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">left_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">right_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_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">delta</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">delta</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">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="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Distinguish</span><span class="plain-syntax"> </span><span class="identifier-syntax">left_comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">right_comb</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">COMBINATION_TY_Compare</span><span class="plain-syntax">(</span><span class="identifier-syntax">left_comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">right_comb</span><span class="plain-syntax">) == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">rfalse</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">rtrue</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. Hashing. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Hash</span><span class="plain-syntax"> </span><span class="identifier-syntax">comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> </span><span class="identifier-syntax">rv</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">bk</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">rv</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseArity</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</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">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">no_items</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">bk</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseTerm</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">rv</span><span class="plain-syntax"> = </span><span class="identifier-syntax">rv</span><span class="plain-syntax"> * </span><span class="constant-syntax">33</span><span class="plain-syntax"> + </span><span class="identifier-syntax">GetHashValue</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</span><span class="plain-syntax">, </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_BASE</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">rv</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">];</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>§8. Printing. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax">[ </span><span class="identifier-syntax">COMBINATION_TY_Say</span><span class="plain-syntax"> </span><span class="identifier-syntax">comb</span><span class="plain-syntax"> </span><span class="identifier-syntax">format</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> </span><span class="identifier-syntax">v</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> </span><span class="identifier-syntax">bk</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">comb</span><span class="plain-syntax">==0) || (</span><span class="identifier-syntax">BlkValueWeakKind</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">) ~= </span><span class="identifier-syntax">COMBINATION_TY</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMBINATION_KIND_F</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">no_items</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseArity</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</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">for</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax">=0: </span><span class="identifier-syntax">i</span><span class="plain-syntax"><</span><span class="identifier-syntax">no_items</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">>0) </span><span class="reserved-syntax">print</span><span class="plain-syntax"> </span><span class="string-syntax">", "</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">bk</span><span class="plain-syntax"> = </span><span class="identifier-syntax">KindBaseTerm</span><span class="plain-syntax">(</span><span class="identifier-syntax">kind</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">v</span><span class="plain-syntax"> = </span><span class="identifier-syntax">BlkValueRead</span><span class="plain-syntax">(</span><span class="identifier-syntax">comb</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+</span><span class="identifier-syntax">COMBINATION_ITEM_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">bk</span><span class="plain-syntax"> == </span><span class="identifier-syntax">LIST_OF_TY</span><span class="plain-syntax">) </span><span class="identifier-syntax">LIST_OF_TY_Say</span><span class="plain-syntax">(</span><span class="identifier-syntax">v</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">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">PrintKindValuePair</span><span class="plain-syntax">(</span><span class="identifier-syntax">bk</span><span class="plain-syntax">, </span><span class="identifier-syntax">v</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">print</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="S-lst.html">❮</a></li><li class="progresssection"><a href="S-dfn.html">dfn</a></li><li class="progresssection"><a href="S-utl.html">utl</a></li><li class="progresssection"><a href="S-gll.html">gll</a></li><li class="progresssection"><a href="S-zmc.html">zmc</a></li><li class="progresssection"><a href="S-prg.html">prg</a></li><li class="progresssection"><a href="S-mth.html">mth</a></li><li class="progresssection"><a href="S-fl.html">fl</a></li><li class="progresssection"><a href="S-srt.html">srt</a></li><li class="progresssection"><a href="S-tbl.html">tbl</a></li><li class="progresssection"><a href="S-mst.html">mst</a></li><li class="progresssection"><a href="S-rlb.html">rlb</a></li><li class="progresssection"><a href="S-flx.html">flx</a></li><li class="progresssection"><a href="S-blc.html">blc</a></li><li class="progresssection"><a href="S-txt.html">txt</a></li><li class="progresssection"><a href="S-unc.html">unc</a></li><li class="progresssection"><a href="S-chr.html">chr</a></li><li class="progresssection"><a href="S-rgx.html">rgx</a></li><li class="progresssection"><a href="S-lst.html">lst</a></li><li class="progresscurrent">cmb</li><li class="progresssection"><a href="S-rlt.html">rlt</a></li><li class="progresssection"><a href="S-rlt2.html">rlt2</a></li><li class="progresssection"><a href="S-rtp.html">rtp</a></li><li class="progressnext"><a href="S-rlt.html">❯</a></li></ul></div>
|
|
</nav><!--End of weave-->
|
|
|
|
</main>
|
|
</body>
|
|
</html>
|
|
|