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45 lines
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45 lines
3.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>4/fti</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta http-equiv="Content-Language" content="en-gb">
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<link href="inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
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<!--Weave of '4/fbi' generated by 7-->
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<ul class="crumbs"><li><a href="../webs.html">★</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 Binary Inter</b></li></ul><p class="purpose">To create the range of possible targets into which Inter can be converted.</p>
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<p class="inwebparagraph"><a id="SP1"></a><b>§1. </b>This target is very simple: when we get the message to begin generation,
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we simply ask the Inter module to output some text, and return true to
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tell the generator that nothing more need be done.
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</p>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::Binary::create_target</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
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<span class="reserved">code_generation_target</span><span class="plain"> *</span><span class="identifier">binary_inter_cgt</span><span class="plain"> = </span><span class="functiontext">CodeGen::Targets::new</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"binary"</span><span class="plain">);</span>
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<span class="identifier">METHOD_ADD</span><span class="plain">(</span><span class="identifier">binary_inter_cgt</span><span class="plain">, </span><span class="constant">BEGIN_GENERATION_MTID</span><span class="plain">, </span><span class="functiontext">CodeGen::Binary::text</span><span class="plain">);</span>
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<span class="plain">}</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::Binary::text</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>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">>from_step</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"temporary generations cannot be output"</span><span class="plain">);</span>
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<span class="identifier">Inter::Binary::write</span><span class="plain">(</span><span class="identifier">gen</span><span class="plain">-</span><span class="element">>from_step</span><span class="plain">-</span><span class="element">>parsed_filename</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">-</span><span class="element">>from</span><span class="plain">);</span>
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<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function CodeGen::Binary::create_target is used in 4/ft (<a href="4-ft.html#SP2">§2</a>).</p>
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<p class="endnote">The function CodeGen::Binary::text appears nowhere else.</p>
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<hr class="tocbar">
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<ul class="toc"><li><a href="4-fti.html">Back to 'Final Textual Inter'</a></li><li><a href="4-fi.html">Continue with 'Final Inventory'</a></li></ul><hr class="tocbar">
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