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<!--Weave of 'Lexicon Module' generated by Inweb-->
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<div class="breadcrumbs">
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Services</a></li><li><a href="index.html">lexicon</a></li><li><a href="index.html#1">Chapter 1: Setting Up</a></li><li><b>Lexicon Module</b></li></ul></div>
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<p class="purpose">Setting up the use of this module.</p>
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>This section simoly sets up the module in ways expected by <a href="../../../inweb/docs/foundation-module/index.html" class="internal">foundation</a>, and
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contains no code of interest. The following constant exists only in tools
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which use this module:
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">LEXICON_MODULE</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>This module defines the following classes:
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">enum</span> <span class="constant-syntax">excerpt_meaning_CLASS</span>
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</pre>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">DECLARE_CLASS</span><span class="plain-syntax">(</span><span class="reserved-syntax">excerpt_meaning</span><span class="plain-syntax">)</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>Like all modules, this one must define a <span class="extract"><span class="extract-syntax">start</span></span> and <span class="extract"><span class="extract-syntax">end</span></span> function:
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">enum</span> <span class="constant-syntax">EXCERPT_MEANINGS_DA</span>
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<span class="definition-keyword">enum</span> <span class="constant-syntax">EXCERPT_PARSING_DA</span>
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</pre>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">LexiconModule::start</span><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Log::declare_aspect</span><span class="plain-syntax">(</span><span class="constant-syntax">EXCERPT_MEANINGS_DA</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"excerpt meanings"</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Log::declare_aspect</span><span class="plain-syntax">(</span><span class="constant-syntax">EXCERPT_PARSING_DA</span><span class="plain-syntax">, </span><span class="identifier-syntax">L</span><span class="string-syntax">"excerpt parsing"</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Writers::register_logger</span><span class="plain-syntax">(</span><span class="character-syntax">'M'</span><span class="plain-syntax">, </span><a href="2-em.html#SP6" class="function-link"><span class="function-syntax">ExcerptMeanings::log</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="1-lm.html#SP3_2" class="named-paragraph-link"><span class="named-paragraph">Declare the tree annotations</span><span class="named-paragraph-number">3.2</span></a></span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">LexiconModule::end</span><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax">}</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3_1" class="paragraph-anchor"></a><b>§3.1. </b>This module uses <a href="../syntax-module/index.html" class="internal">syntax</a>, and adds the following annotations to the
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syntax tree.
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">enum</span> <span class="constant-syntax">meaning_ANNOT</span><span class="plain-syntax"> </span><span class="comment-syntax"> </span><span class="extract"><span class="extract-syntax">excerpt_meaning</span></span><span class="comment-syntax">: for leaves</span>
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</pre>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">DECLARE_ANNOTATION_FUNCTIONS</span><span class="plain-syntax">(</span><span class="identifier-syntax">meaning</span><span class="plain-syntax">, </span><span class="reserved-syntax">excerpt_meaning</span><span class="plain-syntax">)</span>
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<span class="identifier-syntax">MAKE_ANNOTATION_FUNCTIONS</span><span class="plain-syntax">(</span><span class="identifier-syntax">meaning</span><span class="plain-syntax">, </span><span class="reserved-syntax">excerpt_meaning</span><span class="plain-syntax">)</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP3_2" class="paragraph-anchor"></a><b>§3.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Declare the tree annotations</span><span class="named-paragraph-number">3.2</span></span><span class="comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="identifier-syntax">Annotations::declare_type</span><span class="plain-syntax">(</span><span class="constant-syntax">meaning_ANNOT</span><span class="plain-syntax">, </span><a href="1-lm.html#SP4" class="function-link"><span class="function-syntax">LexiconModule::write_meaning_ANNOT</span></a><span class="plain-syntax">);</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="1-lm.html#SP3">§3</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">LexiconModule::write_meaning_ANNOT</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">LexiconModule::write_meaning_ANNOT</span></span>:<br/><a href="1-lm.html#SP3_2">§3.2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Node::get_meaning</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"{meaning: "</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="2-em.html#SP6" class="function-link"><span class="function-syntax">ExcerptMeanings::log</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">Node::get_meaning</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"}"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax">}</span>
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