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<!--Weave of 'Adjectives by Condition' generated by Inweb-->
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inform7</a></li><li><a href="index.html">runtime</a></li><li><a href="index.html#3">Chapter 3: Calculated Adjectives</a></li><li><b>Adjectives by Condition</b></li></ul></div>
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<p class="purpose">Defining an adjective with an I7 condition.</p>
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>This is a family of adjective meanings.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">adjective_meaning_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">condition_amf</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="comment-syntax"> defined by a condition in I7 source text</span>
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::Condition::start</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">Phrases::Condition::start</span></span>:<br/>Runtime Module - <a href="1-rm.html#SP2">§2</a></span></button><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">condition_amf</span><span class="plain-syntax"> = </span><span class="identifier-syntax">AdjectiveMeanings::new_family</span><span class="plain-syntax">(7);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">condition_amf</span><span class="plain-syntax">, </span><span class="identifier-syntax">COMPILE_ADJM_MTID</span><span class="plain-syntax">, </span><a href="3-abc.html#SP2" class="function-link"><span class="function-syntax">Phrases::Condition::ADJ_compile</span></a><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">METHOD_ADD</span><span class="plain-syntax">(</span><span class="identifier-syntax">condition_amf</span><span class="plain-syntax">, </span><span class="identifier-syntax">PARSE_ADJM_MTID</span><span class="plain-syntax">, </span><a href="3-abc.html#SP2" class="function-link"><span class="function-syntax">Phrases::Condition::ADJ_parse</span></a><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="SP2" class="paragraph-anchor"></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">int</span><span class="plain-syntax"> </span><span class="function-syntax">Phrases::Condition::ADJ_parse</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">Phrases::Condition::ADJ_parse</span></span>:<br/><a href="3-abc.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">adjective_meaning_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">f</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">adjective_meaning</span><span class="plain-syntax"> **</span><span class="identifier-syntax">result</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">q</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">sense</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">AW</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">DNW</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">CONW</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">CALLW</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">sense</span><span class="plain-syntax"> == </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</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="reserved-syntax">definition</span><span class="plain-syntax"> *</span><span class="identifier-syntax">def</span><span class="plain-syntax"> = </span><a href="3-ad.html#SP6" class="function-link"><span class="function-syntax">Phrases::Adjectives::def_new</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">q</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">adjective_meaning</span><span class="plain-syntax"> *</span><span class="identifier-syntax">am</span><span class="plain-syntax"> =</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">AdjectiveMeanings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">condition_amf</span><span class="plain-syntax">, </span><span class="identifier-syntax">STORE_POINTER_definition</span><span class="plain-syntax">(</span><span class="identifier-syntax">def</span><span class="plain-syntax">),</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">q</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">condition_to_match</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CONW</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">format</span><span class="plain-syntax"> = </span><span class="identifier-syntax">sense</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">domain_calling</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CALLW</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">am_of_def</span><span class="plain-syntax"> = </span><span class="identifier-syntax">am</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">adjective</span><span class="plain-syntax"> *</span><span class="identifier-syntax">adj</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Adjectives::declare</span><span class="plain-syntax">(</span><span class="identifier-syntax">AW</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="identifier-syntax">AdjectiveAmbiguity::add_meaning_to_adjective</span><span class="plain-syntax">(</span><span class="identifier-syntax">am</span><span class="plain-syntax">, </span><span class="identifier-syntax">adj</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">AdjectiveMeanings::pass_task_to_support_routine</span><span class="plain-syntax">(</span><span class="identifier-syntax">am</span><span class="plain-syntax">, </span><span class="identifier-syntax">TEST_ADJECTIVE_TASK</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">AdjectiveMeanings::set_domain_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">am</span><span class="plain-syntax">, </span><span class="identifier-syntax">DNW</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> *</span><span class="identifier-syntax">result</span><span class="plain-syntax"> = </span><span class="identifier-syntax">am</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">TRUE</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">Phrases::Condition::ADJ_compile</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">Phrases::Condition::ADJ_compile</span></span>:<br/><a href="3-abc.html#SP1">§1</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">adjective_meaning_family</span><span class="plain-syntax"> *</span><span class="identifier-syntax">family</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">adjective_meaning</span><span class="plain-syntax"> *</span><span class="identifier-syntax">am</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">T</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">emit_flag</span><span class="plain-syntax">, </span><span class="identifier-syntax">ph_stack_frame</span><span class="plain-syntax"> *</span><span class="identifier-syntax">phsf</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">definition</span><span class="plain-syntax"> *</span><span class="identifier-syntax">def</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RETRIEVE_POINTER_definition</span><span class="plain-syntax">(</span><span class="identifier-syntax">am</span><span class="plain-syntax">-></span><span class="identifier-syntax">detailed_meaning</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">T</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">TEST_ADJECTIVE_TASK:</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">emit_flag</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LocalVariables::alias_pronoun</span><span class="plain-syntax">(</span><span class="identifier-syntax">phsf</span><span class="plain-syntax">, </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">domain_calling</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">Wordings::nonempty</span><span class="plain-syntax">(</span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">condition_to_match</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax"> = </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">node</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</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">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><s-condition>(def-></span><span class="element-syntax">condition_to_match</span><span class="plain-syntax">)) </span><span class="identifier-syntax">spec</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></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">spec</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="identifier-syntax">Dash::validate_conditional_clause</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</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</span><span class="plain-syntax">(</span><span class="string-syntax">"Error on: %W = $T"</span><span class="plain-syntax">, </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="element-syntax">condition_to_match</span><span class="plain-syntax">, </span><span class="identifier-syntax">spec</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::definition_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(),</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_DefinitionBadCondition</span><span class="plain-syntax">),</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">def</span><span class="plain-syntax">-></span><span class="identifier-syntax">node</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"that condition makes no sense to me"</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"although the preamble to the definition was properly "</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"written. There must be something wrong after 'if'."</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> } </span><span class="reserved-syntax">else</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">def</span><span class="plain-syntax">-></span><span class="identifier-syntax">format</span><span class="plain-syntax"> == -1) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::inv_primitive</span><span class="plain-syntax">(</span><a href="2-emt.html#SP2" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">(), </span><span class="identifier-syntax">NOT_BIP</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::down</span><span class="plain-syntax">(</span><a href="2-emt.html#SP2" class="function-link"><span class="function-syntax">Emit::tree</span></a><span class="plain-syntax">());</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Specifications::Compiler::emit_as_val</span><span class="plain-syntax">(</span><span class="identifier-syntax">K_number</span><span class="plain-syntax">, </span><span class="identifier-syntax">spec</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">def</span><span class="plain-syntax">-></span><span class="identifier-syntax">format</span><span class="plain-syntax"> == -1) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Produce::up</span><span class="plain-syntax">(</span><a href="2-emt.html#SP2" class="function-link"><span class="function-syntax">Emit::tree</span></a><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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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LocalVariables::alias_pronoun</span><span class="plain-syntax">(</span><span class="identifier-syntax">phsf</span><span class="plain-syntax">, </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">);</span>
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<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">TRUE</span><span class="plain-syntax">;</span>
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<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">FALSE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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