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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">linguistics</a></li><li><a href="index.html#2">Chapter 2: NP Categories</a></li><li><b>Adjective Usages</b></li></ul></div>
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<p class="purpose">A lightweight structure to record uses of an adjective, either positively or negatively.</p>
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<p class="commentary firstcommentary"><a id="SP1"></a><b>§1. </b>This really is just an ordered pair of an adjective and a boolean:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">adjective</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ref_to</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">ref_positive</span><span class="plain-syntax">; </span><span class="comment-syntax"> used positively?</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax">;</span>
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</pre>
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<ul class="endnotetexts"><li>The structure adjective_usage is private to this section.</li></ul>
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<p class="commentary firstcommentary"><a id="SP2"></a><b>§2. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="function-syntax">AdjectiveUsages::new</span><span class="plain-syntax">(</span><span class="reserved-syntax">adjective</span><span class="plain-syntax"> *</span><span class="identifier-syntax">aph</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pos</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">ref_to</span><span class="plain-syntax"> = </span><span class="identifier-syntax">aph</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">ref_positive</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pos</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="function-syntax">AdjectiveUsages::copy</span><span class="plain-syntax">(</span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au_from</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="2-au.html#SP2" class="function-link"><span class="function-syntax">AdjectiveUsages::new</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">au_from</span><span class="plain-syntax">-></span><span class="element-syntax">ref_to</span><span class="plain-syntax">, </span><span class="identifier-syntax">au_from</span><span class="plain-syntax">-></span><span class="element-syntax">ref_positive</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"></a><b>§3. </b>Logging:
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</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">AdjectiveUsages::log</span><span class="plain-syntax">(</span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">adjective</span><span class="plain-syntax"> *</span><span class="identifier-syntax">aph</span><span class="plain-syntax"> = </span><a href="2-au.html#SP4" class="function-link"><span class="function-syntax">AdjectiveUsages::get_aph</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">au</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">au</span><span class="plain-syntax">-></span><span class="element-syntax">ref_positive</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</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><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><a href="2-adj.html#SP3" class="function-link"><span class="function-syntax">Adjectives::get_nominative_singular</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">aph</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"<adj:%W>"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</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="SP4"></a><b>§4. </b>Access:
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">adjective</span><span class="plain-syntax"> *</span><span class="function-syntax">AdjectiveUsages::get_aph</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">AdjectiveUsages::get_aph</span></span>:<br/><a href="2-au.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</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">au</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">ref_to</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">AdjectiveUsages::get_parity</span><span class="plain-syntax">(</span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</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">au</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"null adjective tested for positivity"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">ref_positive</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="SP5"></a><b>§5. </b>And this is the only non-trivial thing one can do with an adjective usage:
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reverse its sense.
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</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">AdjectiveUsages::flip_parity</span><span class="plain-syntax">(</span><span class="reserved-syntax">adjective_usage</span><span class="plain-syntax"> *</span><span class="identifier-syntax">au</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">au</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"null adjective flipped"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">ref_positive</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">au</span><span class="plain-syntax">-></span><span class="element-syntax">ref_positive</span><span class="plain-syntax">)?</span><span class="identifier-syntax">FALSE:TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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