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inform7/docs/codegen-module/4-ft.html
Graham Nelson 9f70fcd796 Limited progress towards a basic_inform library
2019-09-22 16:43:06 +01:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>3/vrb</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en-gb">
<link href="inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<body>
<!--Weave of '4/ft' generated by 7-->
<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">codegen</a></li><li><a href="index.html#4">Chapter 4: Final Code</a></li><li><b>Final Targets</b></li></ul><p class="purpose">To create the range of possible targets into which Inter can be converted.</p>
<ul class="toc"><li><a href="#SP1">&#167;1. Targets</a></li></ul><hr class="tocbar">
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. Targets. </b>Single, steel-cut artisanal targets are made here:
</p>
<pre class="display">
<span class="reserved">typedef</span><span class="plain"> </span><span class="reserved">struct</span><span class="plain"> </span><span class="reserved">code_generation_target</span><span class="plain"> {</span>
<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">target_name</span><span class="plain">;</span>
<span class="identifier">METHOD_CALLS</span>
<span class="identifier">MEMORY_MANAGEMENT</span>
<span class="plain">} </span><span class="reserved">code_generation_target</span><span class="plain">;</span>
<span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="functiontext">CodeGen::Targets::new</span><span class="plain">(</span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">name</span><span class="plain">) {</span>
<span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain"> = </span><span class="identifier">CREATE</span><span class="plain">(</span><span class="reserved">code_generation_target</span><span class="plain">);</span>
<span class="identifier">cgt</span><span class="plain">-</span><span class="element">&gt;target_name</span><span class="plain"> = </span><span class="identifier">Str::duplicate</span><span class="plain">(</span><span class="identifier">name</span><span class="plain">);</span>
<span class="identifier">ENABLE_METHOD_CALLS</span><span class="plain">(</span><span class="identifier">cgt</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">cgt</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::new is used in 4/fti (<a href="4-fti.html#SP1">&#167;1</a>), 4/fbi (<a href="4-fbi.html#SP1">&#167;1</a>), 4/fi (<a href="4-fi.html#SP1">&#167;1</a>), 4/gi6 (<a href="4-gi6.html#SP1">&#167;1</a>).</p>
<p class="endnote">The structure code_generation_target is accessed in 1/ppl and here.</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. </b>And they are mass-produced here:
</p>
<pre class="display">
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">cgts_made</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::make_targets</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">cgts_made</span><span class="plain"> == </span><span class="identifier">FALSE</span><span class="plain">) {</span>
<span class="identifier">cgts_made</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="functiontext">CodeGen::Textual::create_target</span><span class="plain">();</span>
<span class="functiontext">CodeGen::Binary::create_target</span><span class="plain">();</span>
<span class="functiontext">CodeGen::Inventory::create_target</span><span class="plain">();</span>
<span class="functiontext">CodeGen::I6::create_target</span><span class="plain">();</span>
<span class="plain">}</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::make_targets is used in 1/ppl (<a href="1-ppl.html#SP3">&#167;3</a>), 3/fc (<a href="3-fc.html#SP2">&#167;2</a>).</p>
<p class="inwebparagraph"><a id="SP3"></a><b>&#167;3. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">BEGIN_GENERATION_MTID</span>
</pre>
<pre class="display">
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">BEGIN_GENERATION_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">)</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::begin_generation</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">BEGIN_GENERATION_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::begin_generation is used in 3/cg (<a href="3-cg.html#SP1">&#167;1</a>).</p>
<p class="inwebparagraph"><a id="SP4"></a><b>&#167;4. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">GENERAL_SEGMENT_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">DEFAULT_SEGMENT_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">BASIC_CONSTANT_SEGMENT_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">CONSTANT_SEGMENT_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">PROPERTY_SEGMENT_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">TL_SEGMENT_MTID</span>
</pre>
<pre class="display">
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">GENERAL_SEGMENT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">)</span>
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">DEFAULT_SEGMENT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">)</span>
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">BASIC_CONSTANT_SEGMENT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">depth</span><span class="plain">)</span>
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">CONSTANT_SEGMENT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">)</span>
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">PROPERTY_SEGMENT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">)</span>
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">TL_SEGMENT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">)</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::general_segment</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">GENERAL_SEGMENT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::default_segment</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">DEFAULT_SEGMENT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::constant_segment</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">CONSTANT_SEGMENT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::basic_constant_segment</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">depth</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">BASIC_CONSTANT_SEGMENT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">depth</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::property_segment</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">PROPERTY_SEGMENT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::tl_segment</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">TL_SEGMENT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::general_segment is used in 3/fc (<a href="3-fc.html#SP1">&#167;1</a>), 3/cal (<a href="3-cal.html#SP3">&#167;3</a>).</p>
<p class="endnote">The function CodeGen::Targets::default_segment is used in 3/cal (<a href="3-cal.html#SP2">&#167;2</a>), 3/iap (<a href="3-iap.html#SP1">&#167;1</a>).</p>
<p class="endnote">The function CodeGen::Targets::constant_segment is used in 3/cal (<a href="3-cal.html#SP2">&#167;2</a>), 3/iap (<a href="3-iap.html#SP4_6">&#167;4.6</a>, <a href="3-iap.html#SP5">&#167;5</a>).</p>
<p class="endnote">The function CodeGen::Targets::basic_constant_segment is used in 3/cal (<a href="3-cal.html#SP4">&#167;4</a>), 3/iap (<a href="3-iap.html#SP4_5">&#167;4.5</a>).</p>
<p class="endnote">The function CodeGen::Targets::property_segment appears nowhere else.</p>
<p class="endnote">The function CodeGen::Targets::tl_segment is used in 3/cal (<a href="3-cal.html#SP4">&#167;4</a>).</p>
<p class="inwebparagraph"><a id="SP5"></a><b>&#167;5. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">COMPILE_PRIMITIVE_MTID</span>
</pre>
<pre class="display">
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">COMPILE_PRIMITIVE_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">prim_name</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">)</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::compile_primitive</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">prim_name</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">COMPILE_PRIMITIVE_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">prim_name</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::compile_primitive is used in 3/fc (<a href="3-fc.html#SP3">&#167;3</a>).</p>
<p class="inwebparagraph"><a id="SP6"></a><b>&#167;6. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">COMPILE_DICTIONARY_WORD_MTID</span>
</pre>
<pre class="display">
<span class="identifier">VMETHOD_TYPE</span><span class="plain">(</span><span class="constant">COMPILE_DICTIONARY_WORD_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">pluralise</span><span class="plain">)</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::compile_dictionary_word</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">pluralise</span><span class="plain">) {</span>
<span class="identifier">VMETHOD_CALL</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">COMPILE_DICTIONARY_WORD_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">, </span><span class="identifier">pluralise</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::compile_dictionary_word is used in 3/cal (<a href="3-cal.html#SP4">&#167;4</a>).</p>
<p class="inwebparagraph"><a id="SP7"></a><b>&#167;7. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">COMPILE_LITERAL_TEXT_MTID</span>
</pre>
<pre class="display">
<span class="identifier">VMETHOD_TYPE</span><span class="plain">(</span><span class="constant">COMPILE_LITERAL_TEXT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">print_mode</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">box_mode</span><span class="plain">)</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::compile_literal_text</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">print_mode</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">box_mode</span><span class="plain">) {</span>
<span class="identifier">VMETHOD_CALL</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">COMPILE_LITERAL_TEXT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">S</span><span class="plain">, </span><span class="identifier">print_mode</span><span class="plain">, </span><span class="identifier">box_mode</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::compile_literal_text is used in 3/cal (<a href="3-cal.html#SP4">&#167;4</a>).</p>
<p class="inwebparagraph"><a id="SP8"></a><b>&#167;8. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">DECLARE_PROPERTY_MTID</span>
</pre>
<pre class="display">
<span class="identifier">VMETHOD_TYPE</span><span class="plain">(</span><span class="constant">DECLARE_PROPERTY_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">prop_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">used</span><span class="plain">)</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::declare_property</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">prop_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">used</span><span class="plain">) {</span>
<span class="identifier">VMETHOD_CALL</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">DECLARE_PROPERTY_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">prop_name</span><span class="plain">, </span><span class="identifier">used</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::declare_property is used in 3/iap (<a href="3-iap.html#SP5_1">&#167;5.1</a>, <a href="3-iap.html#SP5_12">&#167;5.12</a>).</p>
<p class="inwebparagraph"><a id="SP9"></a><b>&#167;9. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">PREPARE_VARIABLE_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">DECLARE_VARIABLE_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">DECLARE_LOCAL_VARIABLE_MTID</span>
</pre>
<pre class="display">
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">PREPARE_VARIABLE_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">var_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">k</span><span class="plain">)</span>
<span class="identifier">IMETHOD_TYPE</span><span class="plain">(</span><span class="constant">DECLARE_VARIABLE_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">var_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">k</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">of</span><span class="plain">)</span>
<span class="identifier">VMETHOD_TYPE</span><span class="plain">(</span><span class="constant">DECLARE_LOCAL_VARIABLE_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">var_name</span><span class="plain">)</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::prepare_variable</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">var_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">k</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">PREPARE_VARIABLE_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">var_name</span><span class="plain">, </span><span class="identifier">k</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::declare_variable</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">var_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">k</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">of</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain"> = 0;</span>
<span class="identifier">IMETHOD_CALL</span><span class="plain">(</span><span class="identifier">rv</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">DECLARE_VARIABLE_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">var_name</span><span class="plain">, </span><span class="identifier">k</span><span class="plain">, </span><span class="identifier">of</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">rv</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::declare_local_variable</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">var_name</span><span class="plain">) {</span>
<span class="identifier">VMETHOD_CALL</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">DECLARE_LOCAL_VARIABLE_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">var_name</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::prepare_variable is used in 3/vrb (<a href="3-vrb.html#SP1">&#167;1</a>).</p>
<p class="endnote">The function CodeGen::Targets::declare_variable is used in 3/vrb (<a href="3-vrb.html#SP1">&#167;1</a>).</p>
<p class="endnote">The function CodeGen::Targets::declare_local_variable is used in 3/fc (<a href="3-fc.html#SP2">&#167;2</a>).</p>
<p class="inwebparagraph"><a id="SP10"></a><b>&#167;10. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">OFFER_PRAGMA_MTID</span>
</pre>
<pre class="display">
<span class="identifier">VMETHOD_TYPE</span><span class="plain">(</span><span class="constant">OFFER_PRAGMA_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">tag</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">content</span><span class="plain">)</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::offer_pragma</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">inter_tree_node</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">tag</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">content</span><span class="plain">) {</span>
<span class="identifier">VMETHOD_CALL</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">OFFER_PRAGMA_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">tag</span><span class="plain">, </span><span class="identifier">content</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::offer_pragma is used in 3/cg (<a href="3-cg.html#SP9">&#167;9</a>).</p>
<p class="inwebparagraph"><a id="SP11"></a><b>&#167;11. </b></p>
<pre class="definitions">
<span class="definitionkeyword">enum</span> <span class="constant">BEGIN_CONSTANT_MTID</span>
<span class="definitionkeyword">enum</span> <span class="constant">END_CONSTANT_MTID</span>
</pre>
<pre class="display">
<span class="identifier">VMETHOD_TYPE</span><span class="plain">(</span><span class="constant">BEGIN_CONSTANT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">const_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">continues</span><span class="plain">)</span>
<span class="identifier">VMETHOD_TYPE</span><span class="plain">(</span><span class="constant">END_CONSTANT_MTID</span><span class="plain">, </span><span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">cgt</span><span class="plain">, </span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">const_name</span><span class="plain">)</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::begin_constant</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">const_name</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">continues</span><span class="plain">) {</span>
<span class="identifier">VMETHOD_CALL</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">BEGIN_CONSTANT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">const_name</span><span class="plain">, </span><span class="identifier">continues</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Targets::end_constant</span><span class="plain">(</span><span class="reserved">code_generation</span><span class="plain"> *</span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">const_name</span><span class="plain">) {</span>
<span class="identifier">VMETHOD_CALL</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">&gt;target</span><span class="plain">, </span><span class="constant">END_CONSTANT_MTID</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">const_name</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::Targets::begin_constant is used in 3/cal (<a href="3-cal.html#SP2">&#167;2</a>, <a href="3-cal.html#SP3">&#167;3</a>, <a href="3-cal.html#SP4">&#167;4</a>), 3/iap (<a href="3-iap.html#SP4_6">&#167;4.6</a>, <a href="3-iap.html#SP5">&#167;5</a>, <a href="3-iap.html#SP6">&#167;6</a>).</p>
<p class="endnote">The function CodeGen::Targets::end_constant is used in 3/cal (<a href="3-cal.html#SP2">&#167;2</a>, <a href="3-cal.html#SP3">&#167;3</a>, <a href="3-cal.html#SP4">&#167;4</a>), 3/iap (<a href="3-iap.html#SP4_6">&#167;4.6</a>, <a href="3-iap.html#SP5">&#167;5</a>, <a href="3-iap.html#SP6">&#167;6</a>).</p>
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