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inform7/docs/inflections-module/3-dcl.html
2019-04-22 15:42:10 +01:00

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<!--Weave of '3/dcl' generated by 7-->
<ul class="crumbs"><li><a href="../webs.html">&#9733;</a></li><li><a href="index.html">inflections</a></li><li><a href="index.html#3">Chapter 3: Grammatical Uses of Inflection</a></li><li><b>Declensions</b></li></ul><p class="purpose">Declensions are sets of inflected variations of a common stem according to grammatical case.</p>
<ul class="toc"><li><a href="#SP1">&#167;1. Declension</a></li></ul><hr class="tocbar">
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. Declension. </b></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">declension</span><span class="plain"> {</span>
<span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">within_language</span><span class="plain">;</span>
<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">wording</span><span class="plain"> </span><span class="identifier">name_cased</span><span class="plain">[</span><span class="constant">MAX_GRAMMATICAL_CASES</span><span class="plain">];</span>
<span class="plain">} </span><span class="reserved">declension</span><span class="plain">;</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The structure declension is private to this section.</p>
<p class="inwebparagraph"><a id="SP2"></a><b>&#167;2. </b></p>
<pre class="display">
<span class="reserved">declension</span><span class="plain"> </span><span class="functiontext">Declensions::decline</span><span class="plain">(</span><span class="identifier">wording</span><span class="plain"> </span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">nl</span><span class="plain">, </span><span class="reserved">int</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">num</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">nl</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">nl</span><span class="plain"> = </span><span class="identifier">English_language</span><span class="plain">;</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Declensions::decline_inner</span><span class="plain">(</span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">nl</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">num</span><span class="plain">, &lt;</span><span class="identifier">noun</span><span class="plain">-</span><span class="reserved">declension</span><span class="plain">&gt;);</span>
&lt;<span class="cwebmacro">Fix the origin</span> <span class="cwebmacronumber">2.1</span>&gt;<span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="functiontext">Declensions::decline_article</span><span class="plain">(</span><span class="identifier">wording</span><span class="plain"> </span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">nl</span><span class="plain">, </span><span class="reserved">int</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">num</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">nl</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">nl</span><span class="plain"> = </span><span class="identifier">English_language</span><span class="plain">;</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Declensions::decline_inner</span><span class="plain">(</span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">nl</span><span class="plain">, </span><span class="identifier">gen</span><span class="plain">, </span><span class="identifier">num</span><span class="plain">, &lt;</span><span class="identifier">article</span><span class="plain">-</span><span class="reserved">declension</span><span class="plain">&gt;);</span>
&lt;<span class="cwebmacro">Fix the origin</span> <span class="cwebmacronumber">2.1</span>&gt;<span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Declensions::decline is used in 2/nc (<a href="2-nc.html#SP3">&#167;3</a>, <a href="2-nc.html#SP5">&#167;5</a>).</p>
<p class="endnote">The function Declensions::decline_article appears nowhere else.</p>
<p class="inwebparagraph"><a id="SP2_1"></a><b>&#167;2.1. </b><code class="display">
&lt;<span class="cwebmacrodefn">Fix the origin</span> <span class="cwebmacronumber">2.1</span>&gt; =
</code></p>
<pre class="displaydefn">
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">nc</span><span class="plain"> = </span><span class="functiontext">Declensions::no_cases</span><span class="plain">(</span><span class="identifier">nl</span><span class="plain">);</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = 0; </span><span class="identifier">c</span><span class="plain"> &lt; </span><span class="identifier">nc</span><span class="plain">; </span><span class="identifier">c</span><span class="plain">++)</span>
<span class="identifier">LOOP_THROUGH_WORDING</span><span class="plain">(</span><span class="identifier">i</span><span class="plain">, </span><span class="identifier">D</span><span class="element">.name_cased</span><span class="plain">[</span><span class="identifier">c</span><span class="plain">])</span>
<span class="identifier">Lexer::set_word_location</span><span class="plain">(</span><span class="identifier">i</span><span class="plain">,</span>
<span class="identifier">Lexer::word_location</span><span class="plain">(</span>
<span class="identifier">Wordings::first_wn</span><span class="plain">(</span><span class="identifier">W</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>
<p class="inwebparagraph"><a id="SP3"></a><b>&#167;3. </b></p>
<pre class="display">
<span class="reserved">declension</span><span class="plain"> </span><span class="functiontext">Declensions::decline_inner</span><span class="plain">(</span><span class="identifier">wording</span><span class="plain"> </span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">nl</span><span class="plain">, </span><span class="reserved">int</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">num</span><span class="plain">, </span><span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">nt</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">nl</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">nl</span><span class="plain"> = </span><span class="identifier">English_language</span><span class="plain">;</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="identifier">D</span><span class="element">.within_language</span><span class="plain"> = </span><span class="identifier">nl</span><span class="plain">;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production_list</span><span class="plain"> *</span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">nt</span><span class="plain">-&gt;</span><span class="identifier">first_production_list</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">next_production_list</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">nl</span><span class="plain">)) {</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production</span><span class="plain"> *</span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">first_production</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">next_production</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ptoken_category</span><span class="plain"> != </span><span class="identifier">FIXED_WORD_PTC</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ptoken_category</span><span class="plain"> != </span><span class="identifier">NONTERMINAL_PTC</span><span class="plain">))</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"line in &lt;noun-declension&gt; malformed"</span><span class="plain">);</span>
<span class="identifier">wchar_t</span><span class="plain"> *</span><span class="identifier">gender_letter</span><span class="plain"> = </span><span class="identifier">Vocabulary::get_exemplar</span><span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ve_pt</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">gender_letter</span><span class="plain">[0] == </span><span class="character">'*'</span><span class="plain">) ||</span>
<span class="plain">((</span><span class="identifier">gender_letter</span><span class="plain">[0] == </span><span class="character">'m'</span><span class="plain">) &amp;&amp; (</span><span class="identifier">gen</span><span class="plain"> == </span><span class="constant">MASCULINE_GENDER</span><span class="plain">)) ||</span>
<span class="plain">((</span><span class="identifier">gender_letter</span><span class="plain">[0] == </span><span class="character">'f'</span><span class="plain">) &amp;&amp; (</span><span class="identifier">gen</span><span class="plain"> == </span><span class="constant">FEMININE_GENDER</span><span class="plain">)) ||</span>
<span class="plain">((</span><span class="identifier">gender_letter</span><span class="plain">[0] == </span><span class="character">'n'</span><span class="plain">) &amp;&amp; (</span><span class="identifier">gen</span><span class="plain"> == </span><span class="constant">NEUTER_GENDER</span><span class="plain">))) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">found</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">gnt</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">nt_pt</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) {</span>
<span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Declensions::decline_from_irregulars</span><span class="plain">(</span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">nl</span><span class="plain">, </span><span class="identifier">gnt</span><span class="plain">, </span><span class="identifier">num</span><span class="plain">, &amp;</span><span class="identifier">found</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ptoken_category</span><span class="plain"> != </span><span class="identifier">NONTERMINAL_PTC</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</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">"this line must end with two nonterminals"</span><span class="plain">);</span>
<span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">tnt</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">-&gt;</span><span class="identifier">nt_pt</span><span class="plain">;</span>
<span class="identifier">D</span><span class="plain"> = </span><span class="functiontext">Declensions::decline_from_groups</span><span class="plain">(</span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">nl</span><span class="plain">, </span><span class="identifier">gnt</span><span class="plain">, </span><span class="identifier">tnt</span><span class="plain">, </span><span class="identifier">num</span><span class="plain">, &amp;</span><span class="identifier">found</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">found</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"no declension table terminated"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="functiontext">Declensions::decline_from_irregulars</span><span class="plain">(</span><span class="identifier">wording</span><span class="plain"> </span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">nl</span><span class="plain">,</span>
<span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">gnt</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">num</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> *</span><span class="identifier">found</span><span class="plain">) {</span>
<span class="plain">*</span><span class="identifier">found</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="identifier">D</span><span class="element">.within_language</span><span class="plain"> = </span><span class="identifier">nl</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Wordings::length</span><span class="plain">(</span><span class="identifier">W</span><span class="plain">) == 1)</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production_list</span><span class="plain"> *</span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">gnt</span><span class="plain">-&gt;</span><span class="identifier">first_production_list</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">next_production_list</span><span class="plain">)</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">nl</span><span class="plain">))</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production</span><span class="plain"> *</span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">first_production</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">next_production</span><span class="plain">) {</span>
<span class="identifier">vocabulary_entry</span><span class="plain"> *</span><span class="identifier">stem</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ve_pt</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">stem</span><span class="plain"> == </span><span class="identifier">Lexer::word</span><span class="plain">(</span><span class="identifier">Wordings::first_wn</span><span class="plain">(</span><span class="identifier">W</span><span class="plain">))) {</span>
<span class="plain">*</span><span class="identifier">found</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = 0, </span><span class="identifier">nc</span><span class="plain"> = </span><span class="functiontext">Declensions::no_cases</span><span class="plain">(</span><span class="identifier">nl</span><span class="plain">);</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">ptoken</span><span class="plain"> *</span><span class="identifier">pt</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">; </span><span class="identifier">pt</span><span class="plain">; </span><span class="identifier">pt</span><span class="plain"> = </span><span class="identifier">pt</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">pt</span><span class="plain">-&gt;</span><span class="identifier">ptoken_category</span><span class="plain"> != </span><span class="identifier">FIXED_WORD_PTC</span><span class="plain">)</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"nonterminals are not allowed in irregular declensions"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (((</span><span class="identifier">num</span><span class="plain"> == 1) &amp;&amp; (</span><span class="identifier">c</span><span class="plain"> &lt; </span><span class="identifier">nc</span><span class="plain">)) || ((</span><span class="identifier">num</span><span class="plain"> == 2) &amp;&amp; (</span><span class="identifier">c</span><span class="plain"> &gt;= </span><span class="identifier">nc</span><span class="plain">))) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">stem</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">stem</span><span class="plain">, </span><span class="string">"%W"</span><span class="plain">, </span><span class="identifier">W</span><span class="plain">);</span>
<span class="functiontext">Inflections::follow_suffix_instruction</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">, </span><span class="identifier">stem</span><span class="plain">,</span>
<span class="identifier">Vocabulary::get_exemplar</span><span class="plain">(</span><span class="identifier">pt</span><span class="plain">-&gt;</span><span class="identifier">ve_pt</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">));</span>
<span class="identifier">D</span><span class="element">.name_cased</span><span class="plain">[</span><span class="identifier">c</span><span class="plain">%</span><span class="identifier">nc</span><span class="plain">] = </span><span class="identifier">Feeds::feed_stream</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">stem</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">c</span><span class="plain">++;</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> &lt; 2*</span><span class="identifier">nc</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"too few cases in irregular declension"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> &gt; 2*</span><span class="identifier">nc</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"too many cases in irregular declension"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="functiontext">Declensions::decline_from_groups</span><span class="plain">(</span><span class="identifier">wording</span><span class="plain"> </span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">nl</span><span class="plain">,</span>
<span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">gnt</span><span class="plain">, </span><span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">nt</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">num</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> *</span><span class="identifier">found</span><span class="plain">) {</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="identifier">D</span><span class="element">.within_language</span><span class="plain"> = </span><span class="identifier">nl</span><span class="plain">;</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">from</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">from</span><span class="plain">, </span><span class="string">"%+W"</span><span class="plain">, </span><span class="identifier">W</span><span class="plain">);</span>
<span class="identifier">match_avinue</span><span class="plain"> *</span><span class="identifier">group_trie</span><span class="plain"> = </span><span class="functiontext">Preform::Nonparsing::define_trie</span><span class="plain">(</span><span class="identifier">gnt</span><span class="plain">, </span><span class="identifier">TRIE_END</span><span class="plain">, </span><span class="identifier">nl</span><span class="plain">);</span>
<span class="identifier">wchar_t</span><span class="plain"> *</span><span class="identifier">result</span><span class="plain"> = </span><span class="identifier">Tries::search_avinue</span><span class="plain">(</span><span class="identifier">group_trie</span><span class="plain">, </span><span class="identifier">from</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">from</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">result</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) {</span>
<span class="plain">*</span><span class="identifier">found</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="plain">*</span><span class="identifier">found</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">group</span><span class="plain"> = </span><span class="identifier">result</span><span class="plain">[0] - </span><span class="character">'0'</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">group</span><span class="plain"> &lt;= 0) || (</span><span class="identifier">group</span><span class="plain"> &gt; 9))</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"noun declension nonterminal result not a group number"</span><span class="plain">);</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production_list</span><span class="plain"> *</span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">nt</span><span class="plain">-&gt;</span><span class="identifier">first_production_list</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">next_production_list</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">nl</span><span class="plain">)) {</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production</span><span class="plain"> *</span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">first_production</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">next_production</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ptoken_category</span><span class="plain"> != </span><span class="identifier">NONTERMINAL_PTC</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</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">"noun declension nonterminal malformed"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (--</span><span class="identifier">group</span><span class="plain"> == 0)</span>
<span class="reserved">return</span><span class="plain"> </span><span class="functiontext">Declensions::decline_from</span><span class="plain">(</span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">nl</span><span class="plain">, </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">nt_pt</span><span class="plain">, </span><span class="identifier">num</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"noun declension nonterminal has too few groups"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="functiontext">Declensions::decline_from</span><span class="plain">(</span><span class="identifier">wording</span><span class="plain"> </span><span class="identifier">W</span><span class="plain">, </span><span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">nl</span><span class="plain">, </span><span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">nt</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">num</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = 0, </span><span class="identifier">nc</span><span class="plain"> = </span><span class="functiontext">Declensions::no_cases</span><span class="plain">(</span><span class="identifier">nl</span><span class="plain">);</span>
<span class="reserved">declension</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="identifier">D</span><span class="element">.within_language</span><span class="plain"> = </span><span class="identifier">nl</span><span class="plain">;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production_list</span><span class="plain"> *</span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">nt</span><span class="plain">-&gt;</span><span class="identifier">first_production_list</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">next_production_list</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">nl</span><span class="plain">)) {</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production</span><span class="plain"> *</span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">first_production</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">next_production</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ptoken_category</span><span class="plain"> != </span><span class="identifier">FIXED_WORD_PTC</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</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">"&lt;noun-declension&gt; too complex"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (((</span><span class="identifier">c</span><span class="plain"> &lt; </span><span class="identifier">nc</span><span class="plain">) &amp;&amp; (</span><span class="identifier">num</span><span class="plain"> == 1)) || ((</span><span class="identifier">c</span><span class="plain"> &gt;= </span><span class="identifier">nc</span><span class="plain">) &amp;&amp; (</span><span class="identifier">num</span><span class="plain"> == 2))) {</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">stem</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">stem</span><span class="plain">, </span><span class="string">"%+W"</span><span class="plain">, </span><span class="identifier">W</span><span class="plain">);</span>
<span class="functiontext">Inflections::follow_suffix_instruction</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">, </span><span class="identifier">stem</span><span class="plain">,</span>
<span class="identifier">Vocabulary::get_exemplar</span><span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ve_pt</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">));</span>
<span class="identifier">D</span><span class="element">.name_cased</span><span class="plain">[</span><span class="identifier">c</span><span class="plain">%</span><span class="identifier">nc</span><span class="plain">] = </span><span class="identifier">Feeds::feed_stream</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">stem</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">result</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">c</span><span class="plain">++;</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> &lt; 2*</span><span class="identifier">nc</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"too few cases in declension"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> &gt; 2*</span><span class="identifier">nc</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"too many cases in declension"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"declination unavailable"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">wording</span><span class="plain"> </span><span class="functiontext">Declensions::in_case</span><span class="plain">(</span><span class="reserved">declension</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">c</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">c</span><span class="plain"> &lt; 0) || (</span><span class="identifier">c</span><span class="plain"> &gt;= </span><span class="functiontext">Declensions::no_cases</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;within_language</span><span class="plain">))) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"case out of range"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;name_cased</span><span class="plain">[</span><span class="identifier">c</span><span class="plain">];</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Declensions::no_cases</span><span class="plain">(</span><span class="identifier">PREFORM_LANGUAGE_TYPE</span><span class="plain"> *</span><span class="identifier">nl</span><span class="plain">) {</span>
<span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">nt</span><span class="plain"> = &lt;</span><span class="identifier">grammatical</span><span class="plain">-</span><span class="reserved">case</span><span class="plain">-</span><span class="identifier">names</span><span class="plain">&gt;;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production_list</span><span class="plain"> *</span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">nt</span><span class="plain">-&gt;</span><span class="identifier">first_production_list</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">next_production_list</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">nl</span><span class="plain">)) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = 0;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production</span><span class="plain"> *</span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">first_production</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">next_production</span><span class="plain">) </span><span class="identifier">c</span><span class="plain">++;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> &gt;= </span><span class="constant">MAX_GRAMMATICAL_CASES</span><span class="plain">)</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"&lt;grammatical-case-names&gt; lists too many cases"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">c</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"&lt;grammatical-case-names&gt; not provided for this language"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> -1;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Declensions::writer</span><span class="plain">(</span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">declension</span><span class="plain"> *</span><span class="identifier">D</span><span class="plain">, </span><span class="reserved">declension</span><span class="plain"> *</span><span class="identifier">AD</span><span class="plain">) {</span>
<span class="identifier">nonterminal</span><span class="plain"> *</span><span class="identifier">nt</span><span class="plain"> = &lt;</span><span class="identifier">grammatical</span><span class="plain">-</span><span class="reserved">case</span><span class="plain">-</span><span class="identifier">names</span><span class="plain">&gt;;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">nc</span><span class="plain"> = </span><span class="functiontext">Declensions::no_cases</span><span class="plain">(</span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;within_language</span><span class="plain">);</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production_list</span><span class="plain"> *</span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">nt</span><span class="plain">-&gt;</span><span class="identifier">first_production_list</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain">; </span><span class="identifier">pl</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">next_production_list</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) || (</span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">definition_language</span><span class="plain"> == </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;within_language</span><span class="plain">)) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">c</span><span class="plain"> = 0;</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="identifier">production</span><span class="plain"> *</span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pl</span><span class="plain">-&gt;</span><span class="identifier">first_production</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain">; </span><span class="identifier">pr</span><span class="plain"> = </span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">next_production</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ptoken_category</span><span class="plain"> != </span><span class="identifier">FIXED_WORD_PTC</span><span class="plain">) ||</span>
<span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">next_ptoken</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">"&lt;grammatical-case-names&gt; too complex"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> &gt; 0) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">", "</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"%w: %W %W"</span><span class="plain">, </span><span class="identifier">Vocabulary::get_exemplar</span><span class="plain">(</span><span class="identifier">pr</span><span class="plain">-&gt;</span><span class="identifier">first_ptoken</span><span class="plain">-&gt;</span><span class="identifier">ve_pt</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">),</span>
<span class="identifier">AD</span><span class="plain">-</span><span class="element">&gt;name_cased</span><span class="plain">[</span><span class="identifier">c</span><span class="plain">], </span><span class="identifier">D</span><span class="plain">-</span><span class="element">&gt;name_cased</span><span class="plain">[</span><span class="identifier">c</span><span class="plain">]);</span>
<span class="identifier">c</span><span class="plain">++;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">c</span><span class="plain"> &gt;= </span><span class="identifier">nc</span><span class="plain">) </span><span class="reserved">break</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"&lt;grammatical-case-names&gt; not provided for this language"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Declensions::decline_inner is used in <a href="#SP2">&#167;2</a>.</p>
<p class="endnote">The function Declensions::decline_from_irregulars appears nowhere else.</p>
<p class="endnote">The function Declensions::decline_from_groups appears nowhere else.</p>
<p class="endnote">The function Declensions::decline_from appears nowhere else.</p>
<p class="endnote">The function Declensions::in_case is used in 2/nc (<a href="2-nc.html#SP6">&#167;6</a>, <a href="2-nc.html#SP7">&#167;7</a>, <a href="2-nc.html#SP8">&#167;8</a>).</p>
<p class="endnote">The function Declensions::no_cases is used in <a href="#SP2_1">&#167;2.1</a>.</p>
<p class="endnote">The function Declensions::writer appears nowhere else.</p>
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