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Graham Nelson c979c31c7e Recast inter tree structure wholesale
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<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">codegen</a></li><li><a href="index.html#2">Chapter 2: Miscellaneous Pipeline Stages</a></li><li><b>Reconcile Verbs</b></li></ul><p class="purpose">To reconcile clashes between assimilated and originally generated verbs.</p>
<ul class="toc"><li><a href="#SP1">&#167;1. Pipeline stage</a></li><li><a href="#SP2">&#167;2. Parsing</a></li></ul><hr class="tocbar">
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. Pipeline stage. </b></p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::ReconcileVerbs::create_pipeline_stage</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="functiontext">CodeGen::Stage::new</span><span class="plain">(</span><span class="identifier">I</span><span class="string">"reconcile-verbs"</span><span class="plain">, </span><span class="functiontext">CodeGen::ReconcileVerbs::run_pipeline_stage</span><span class="plain">, </span><span class="constant">NO_STAGE_ARG</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">CodeGen::ReconcileVerbs::run_pipeline_stage</span><span class="plain">(</span><span class="reserved">pipeline_step</span><span class="plain"> *</span><span class="identifier">step</span><span class="plain">) {</span>
<span class="functiontext">CodeGen::ReconcileVerbs::reconcile</span><span class="plain">(</span><span class="identifier">step</span><span class="plain">-</span><span class="element">&gt;repository</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::ReconcileVerbs::create_pipeline_stage is used in 1/stg (<a href="1-stg.html#SP2">&#167;2</a>).</p>
<p class="endnote">The function CodeGen::ReconcileVerbs::run_pipeline_stage appears nowhere else.</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. Parsing. </b></p>
<pre class="display">
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::ReconcileVerbs::reconcile</span><span class="plain">(</span><span class="identifier">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">) {</span>
<span class="identifier">dictionary</span><span class="plain"> *</span><span class="identifier">observed_verbs</span><span class="plain"> = </span><span class="identifier">Dictionaries::new</span><span class="plain">(1024, </span><span class="identifier">TRUE</span><span class="plain">);</span>
<span class="identifier">Inter::Tree::traverse</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="functiontext">CodeGen::ReconcileVerbs::visitor1</span><span class="plain">, </span><span class="identifier">observed_verbs</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, 0);</span>
<span class="identifier">Inter::Tree::traverse</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="functiontext">CodeGen::ReconcileVerbs::visitor2</span><span class="plain">, </span><span class="identifier">observed_verbs</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, 0);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::ReconcileVerbs::visitor1</span><span class="plain">(</span><span class="identifier">inter_tree</span><span class="plain"> *</span><span class="identifier">I</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">void</span><span class="plain"> *</span><span class="identifier">v_state</span><span class="plain">) {</span>
<span class="identifier">dictionary</span><span class="plain"> *</span><span class="identifier">observed_verbs</span><span class="plain"> = (</span><span class="identifier">dictionary</span><span class="plain"> *) </span><span class="identifier">v_state</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">ID_IFLD</span><span class="plain">] == </span><span class="identifier">CONSTANT_IST</span><span class="plain">) {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">con_name</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">DEFN_CONST_IFLD</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">Inter::Symbols::read_annotation</span><span class="plain">(</span><span class="identifier">con_name</span><span class="plain">, </span><span class="identifier">VERBARRAY_IANN</span><span class="plain">) == 1) &amp;&amp;</span>
<span class="plain">(</span><span class="identifier">Inter::Symbols::read_annotation</span><span class="plain">(</span><span class="identifier">con_name</span><span class="plain">, </span><span class="identifier">METAVERB_IANN</span><span class="plain">) != 1))</span>
&lt;<span class="cwebmacro">Attend to the verb</span> <span class="cwebmacronumber">2.1</span>&gt;<span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">CodeGen::ReconcileVerbs::visitor2</span><span class="plain">(</span><span class="identifier">inter_tree</span><span class="plain"> *</span><span class="identifier">I</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">void</span><span class="plain"> *</span><span class="identifier">v_state</span><span class="plain">) {</span>
<span class="identifier">dictionary</span><span class="plain"> *</span><span class="identifier">observed_verbs</span><span class="plain"> = (</span><span class="identifier">dictionary</span><span class="plain"> *) </span><span class="identifier">v_state</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">ID_IFLD</span><span class="plain">] == </span><span class="identifier">CONSTANT_IST</span><span class="plain">) {</span>
<span class="identifier">inter_symbol</span><span class="plain"> *</span><span class="identifier">con_name</span><span class="plain"> = </span><span class="identifier">Inter::SymbolsTables::symbol_from_frame_data</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">DEFN_CONST_IFLD</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">Inter::Symbols::read_annotation</span><span class="plain">(</span><span class="identifier">con_name</span><span class="plain">, </span><span class="identifier">VERBARRAY_IANN</span><span class="plain">) == 1) &amp;&amp;</span>
<span class="plain">(</span><span class="identifier">Inter::Symbols::read_annotation</span><span class="plain">(</span><span class="identifier">con_name</span><span class="plain">, </span><span class="identifier">METAVERB_IANN</span><span class="plain">) == 1))</span>
&lt;<span class="cwebmacro">Attend to the verb</span> <span class="cwebmacronumber">2.1</span>&gt;<span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function CodeGen::ReconcileVerbs::reconcile is used in <a href="#SP1">&#167;1</a>.</p>
<p class="endnote">The function CodeGen::ReconcileVerbs::visitor1 appears nowhere else.</p>
<p class="endnote">The function CodeGen::ReconcileVerbs::visitor2 appears nowhere else.</p>
<p class="inwebparagraph"><a id="SP2_1"></a><b>&#167;2.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Attend to the verb</span> <span class="cwebmacronumber">2.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">extent</span><span class="plain"> &gt; </span><span class="identifier">DATA_CONST_IFLD</span><span class="plain">+1) {</span>
<span class="identifier">inter_t</span><span class="plain"> </span><span class="identifier">V1</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">DATA_CONST_IFLD</span><span class="plain">], </span><span class="identifier">V2</span><span class="plain"> = </span><span class="identifier">P</span><span class="plain">-&gt;</span><span class="identifier">W</span><span class="plain">.</span><span class="identifier">data</span><span class="plain">[</span><span class="identifier">DATA_CONST_IFLD</span><span class="plain">+1];</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">V1</span><span class="plain"> == </span><span class="identifier">DWORD_IVAL</span><span class="plain">) {</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">glob_text</span><span class="plain"> = </span><span class="identifier">Inter::Warehouse::get_text</span><span class="plain">(</span><span class="identifier">Inter::Tree::warehouse</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">), </span><span class="identifier">V2</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Dictionaries::find</span><span class="plain">(</span><span class="identifier">observed_verbs</span><span class="plain">, </span><span class="identifier">glob_text</span><span class="plain">)) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">nv</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">nv</span><span class="plain">, </span><span class="string">"!%S"</span><span class="plain">, </span><span class="identifier">glob_text</span><span class="plain">);</span>
<span class="identifier">Str::clear</span><span class="plain">(</span><span class="identifier">glob_text</span><span class="plain">);</span>
<span class="identifier">Str::copy</span><span class="plain">(</span><span class="identifier">glob_text</span><span class="plain">, </span><span class="identifier">nv</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">nv</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">Dictionaries::create</span><span class="plain">(</span><span class="identifier">observed_verbs</span><span class="plain">, </span><span class="identifier">glob_text</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">This code is used in <a href="#SP2">&#167;2</a> (twice).</p>
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<ul class="toc"><li><a href="2-unq.html">Back to 'Uniqueness'</a></li><li><a href="2-erm.html">Continue with 'Eliminate Redundant Matter'</a></li></ul><hr class="tocbar">
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