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<!--Weave of 'Action Patterns' 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">Inform7</a></li><li><a href="index.html">if</a></li><li><a href="index.html#4">Chapter 4: Actions</a></li><li><b>Action Patterns</b></li></ul></div>
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<p class="purpose">An action pattern is a description which may match many actions or none. The text "doing something" matches every action, while "throwing something at a door in a dark room" is seldom matched.</p>
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>Action patterns are essentially a conjunction of specifications — the
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action must be this, and the noun must be that, and... While
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they allow disjunction in the choice of action, all of that code is a
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matter for the action name list to handle. The AP structure is a list
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of conditions all of which must apply at once.
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</p>
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<p class="commentary">One surprising point is that the AP is used not only for action
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patterns, but also in a slightly generalised role, as the condition
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for a rule to be applied. Most rules are indeed predicated on actions
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— "instead of eating the cake" — but some are instead in
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"parametrised" rulebooks, which means they apply to a parameter
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object instead of an action — "reaching inside the cabinet".
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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">action_pattern</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="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">text_of_pattern</span><span class="plain-syntax">; </span><span class="comment-syntax"> text giving rise to this AP</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">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">action_list</span><span class="plain-syntax">; </span><span class="comment-syntax"> if this is action-based</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">parameter_kind</span><span class="plain-syntax">; </span><span class="comment-syntax"> if this is parametric</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">ap_clause</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap_clauses</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="identifier-syntax">time_period</span><span class="plain-syntax"> *</span><span class="identifier-syntax">duration</span><span class="plain-syntax">; </span><span class="comment-syntax"> to refer to repetitions in the past</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">valid</span><span class="plain-syntax">; </span><span class="comment-syntax"> recording success or failure in parsing to an AP</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax">;</span>
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</pre>
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<ul class="endnotetexts"><li>The structure action_pattern is accessed in 4/apc, 4/pap and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>When we parse action patterns, we record why they fail, in order to make
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it easier to produce helpful error messages. (We can't simply fire off
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errors at the time they occur, because text is often parsed in several
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contexts at once, so just because it fails this one does not mean it is
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wrong.) PAPF stands for "parse action pattern failure".
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">MISC_PAPF</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">NOPARTICIPLE_PAPF</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">MIXEDNOUNS_PAPF</span><span class="plain-syntax"> </span><span class="constant-syntax">3</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">WHEN_PAPF</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">WHENOKAY_PAPF</span><span class="plain-syntax"> </span><span class="constant-syntax">5</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">IMMISCIBLE_PAPF</span><span class="plain-syntax"> </span><span class="constant-syntax">6</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">pap_failure_reason</span><span class="plain-syntax">; </span><span class="comment-syntax"> one of the above</span>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">permit_trying_omission</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">; </span><span class="comment-syntax"> allow the keyword 'trying' to be omitted</span>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">permit_nonconstant_action_parameters</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</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>NB: Next time this is rewritten - (1) handle in, in the presence of, with
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STV clauses; (2) get this right:
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</p>
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<p class="commentary"> The Rocky Promontory by the Waterfall is a room.
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</p>
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<p class="commentary"> Instead of going in the Rocky Promontory by the Waterfall:
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say "Where did you want to go?"
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</p>
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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">action_pattern</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::new</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">ActionPatterns::new</span></span>:<br/>Parse Action Patterns - <a href="4-pap.html#SP1">§1</a>, <a href="4-pap.html#SP17_1">§17.1</a>, <a href="4-pap.html#SP18">§18</a>, <a href="4-pap.html#SP21">§21</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="reserved-syntax">action_pattern</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">ap_clauses</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">ap</span><span class="plain-syntax">.</span><span class="element-syntax">text_of_pattern</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><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">action_list</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">ap</span><span class="plain-syntax">.</span><span class="element-syntax">parameter_kind</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">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</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">ap</span><span class="plain-syntax">.</span><span class="element-syntax">duration</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">ap</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">ActionPatterns::log</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">ActionPatterns::log</span></span>:<br/>IF Module - <a href="1-im.html#SP2">§2</a>, <a href="1-im.html#SP2_3">§2.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::write</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">DL</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</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">ActionPatterns::write</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">ActionPatterns::write</span></span>:<br/>Actions-Only Nodes and Annotations - <a href="4-anaa.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</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">ap</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"<null-ap>"</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><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">valid</span><span class="plain-syntax"> != </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"<invalid>"</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="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"<action: "</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">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"unspecified"</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><a href="4-anl.html#SP17" class="function-link"><span class="function-syntax">ActionNameLists::log_briefly</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="4-apc.html#SP4" class="function-link"><span class="function-syntax">APClauses::write</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</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">ap</span><span class="plain-syntax">-></span><span class="element-syntax">duration</span><span class="plain-syntax">) { </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" duration: "</span><span class="plain-syntax">); </span><span class="identifier-syntax">Occurrence::log</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">duration</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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<span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionPatterns::ap_store</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">ActionPatterns::ap_store</span></span>:<br/>Parse Action Patterns - <a href="4-pap.html#SP17_1">§17.1</a>, <a href="4-pap.html#SP18">§18</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sap</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> *</span><span class="identifier-syntax">sap</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ap</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">sap</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">ActionPatterns::is_named</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">ActionPatterns::is_named</span></span>:<br/><a href="4-ap2.html#SP7">§7</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</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">ap</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_item</span><span class="plain-syntax"> *</span><span class="identifier-syntax">item</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP10" class="function-link"><span class="function-syntax">ActionNameLists::first_item</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</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">item</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">item</span><span class="plain-syntax">-></span><span class="element-syntax">nap_listed</span><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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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::is_valid</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">ActionPatterns::is_valid</span></span>:<br/>Parse Action Patterns - <a href="4-pap.html#SP18">§18</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</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">ap</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">FALSE</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">ap</span><span class="plain-syntax">-></span><span class="element-syntax">valid</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">ActionPatterns::within_action_context</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">ActionPatterns::within_action_context</span></span>:<br/>Named Action Patterns - <a href="4-nap.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="reserved-syntax">action_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">an</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">ap</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">TRUE</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="4-anl.html#SP12" class="function-link"><span class="function-syntax">ActionNameLists::covers_action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><span class="plain-syntax">, </span><span class="identifier-syntax">an</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionPatterns::list</span><button class="popup" onclick="togglePopup('usagePopup8')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup8">Usage of <span class="code-font"><span class="function-syntax">ActionPatterns::list</span></span>:<br/>Parse Action Patterns - <a href="4-pap.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</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">ap</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">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">action_name</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionPatterns::required_action</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</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">ap</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="4-anl.html#SP14" class="function-link"><span class="function-syntax">ActionNameLists::single_positive_action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</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">NULL</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">ActionPatterns::object_based</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</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">ap</span><span class="plain-syntax">) && (</span><a href="4-anl.html#SP9" class="function-link"><span class="function-syntax">ActionNameLists::nonempty</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><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><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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|
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::is_unspecific</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">an</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::required_action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</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">an</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">TRUE</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><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::must_have_noun</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">an</span><span class="plain-syntax">)) && (</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_noun</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</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">TRUE</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><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::must_have_second</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">an</span><span class="plain-syntax">)) && (</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_second</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</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">TRUE</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><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::can_have_noun</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">an</span><span class="plain-syntax">)) &&</span>
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<span class="plain-syntax"> (</span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::ap_clause_is_unspecific</span></a><span class="plain-syntax">(</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_noun</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><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><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::can_have_second</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">an</span><span class="plain-syntax">)) &&</span>
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|
<span class="plain-syntax"> (</span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::ap_clause_is_unspecific</span></a><span class="plain-syntax">(</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_second</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><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><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::ap_clause_is_unspecific</span></a><span class="plain-syntax">(</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_actor</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><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><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::ap_clause_is_unspecific</span><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>
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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><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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Specifications::is_description</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><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<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>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::is_overspecific</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">ap_clause</span><span class="plain-syntax"> *</span><span class="identifier-syntax">apoc</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">ap</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">ap_clauses</span><span class="plain-syntax">):</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">apoc</span><span class="plain-syntax">; </span><span class="identifier-syntax">apoc</span><span class="plain-syntax"> = </span><span class="identifier-syntax">apoc</span><span class="plain-syntax">-></span><span class="element-syntax">next</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">apoc</span><span class="plain-syntax">-></span><span class="element-syntax">clause_ID</span><span class="plain-syntax"> != </span><span class="constant-syntax">NOUN_AP_CLAUSE</span><span class="plain-syntax">) &&</span>
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|
<span class="plain-syntax"> (</span><span class="identifier-syntax">apoc</span><span class="plain-syntax">-></span><span class="element-syntax">clause_ID</span><span class="plain-syntax"> != </span><span class="constant-syntax">SECOND_AP_CLAUSE</span><span class="plain-syntax">) &&</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">apoc</span><span class="plain-syntax">-></span><span class="element-syntax">clause_ID</span><span class="plain-syntax"> != </span><span class="constant-syntax">ACTOR_AP_CLAUSE</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">apoc</span><span class="plain-syntax">-></span><span class="element-syntax">clause_spec</span><span class="plain-syntax">)</span>
|
|
<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>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::has_any_actor</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><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>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">duration</span><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>
|
|
<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>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::suppress_action_testing</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">duration</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><a href="4-anl.html#SP3" class="function-link"><span class="function-syntax">ActionNameLists::suppress_action_testing</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. </b>We are allowed to give names to certain kinds of behaviour by "categorising"
|
|
an action.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::categorise_as</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><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>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Categorising the action:\n$A...as %W\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><article></span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_NamedAPIsArticle</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"there's only an article here"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"not a name, so I'm not sure what this action is supposed to be."</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_actor</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_NamedAPWithActor</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"behaviour characterised by named action patterns can only specify the action"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"not the actor: as a result, it cannot include requests to other people to "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"do things."</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><a href="4-nap.html#SP2" class="function-link"><span class="function-syntax">NamedActionPatterns::add</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionPatterns::nullify_nonspecific_references</span><button class="popup" onclick="togglePopup('usagePopup9')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup9">Usage of <span class="code-font"><span class="function-syntax">ActionPatterns::nullify_nonspecific_references</span></span>:<br/>Action Pattern Clauses - <a href="4-apc.html#SP3">§3</a><br/>Parse Action Patterns - <a href="4-pap.html#SP21_1">§21.1</a></span></button><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="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><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">spec</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Node::is</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">UNKNOWN_NT</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>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">spec</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. </b>And an anticlimactic little routine for putting objects
|
|
into action patterns in the noun or second noun position.
|
|
</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">ActionPatterns::put_action_object_into_ap</span><button class="popup" onclick="togglePopup('usagePopup10')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup10">Usage of <span class="code-font"><span class="function-syntax">ActionPatterns::put_action_object_into_ap</span></span>:<br/>Parse Action Patterns - <a href="4-pap.html#SP21_5_4">§21.5.4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">C</span><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>
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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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">any_flag</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">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><action-operand></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><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><<r>></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">else</span><span class="plain-syntax"> { </span><span class="identifier-syntax">any_flag</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">; </span><span class="identifier-syntax">spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Specifications::from_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">K_thing</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">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><span class="identifier-syntax">spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Specifications::new_UNKNOWN</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><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K_understanding</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Rvalues::is_CONSTANT_of_kind</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_text</span><span class="plain-syntax">)))</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Node::set_kind_of_value</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_understanding</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Node::set_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</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><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"PAOIA (clause %d) %W = $P\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</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><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::set_val</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</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">any_flag</span><span class="plain-syntax">) </span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::set_opt</span></a><span class="plain-syntax">(</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::clause</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">), </span><span class="constant-syntax">DO_NOT_VALIDATE_APCOPT</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><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::clear_opt</span></a><span class="plain-syntax">(</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::clause</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">C</span><span class="plain-syntax">), </span><span class="constant-syntax">DO_NOT_VALIDATE_APCOPT</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="SP7" class="paragraph-anchor"></a><b>§7. </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">ActionPatterns::refers_to_past</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</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">ap</span><span class="plain-syntax">-></span><span class="element-syntax">duration</span><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><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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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::convert_to_present_tense</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">duration</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>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::pta_acceptable</span><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>
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<span class="plain-syntax"> </span><span class="identifier-syntax">instance</span><span class="plain-syntax"> *</span><span class="identifier-syntax">I</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><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><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Specifications::is_description</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><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><span class="identifier-syntax">I</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Specifications::object_exactly_described_if_any</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">I</span><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><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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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::makes_callings</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">ap_clause</span><span class="plain-syntax"> *</span><span class="identifier-syntax">apoc</span><span class="plain-syntax"> = </span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">ap_clauses</span><span class="plain-syntax">; </span><span class="identifier-syntax">apoc</span><span class="plain-syntax">; </span><span class="identifier-syntax">apoc</span><span class="plain-syntax"> = </span><span class="identifier-syntax">apoc</span><span class="plain-syntax">-></span><span class="element-syntax">next</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">Descriptions::makes_callings</span><span class="plain-syntax">(</span><span class="identifier-syntax">apoc</span><span class="plain-syntax">-></span><span class="element-syntax">clause_spec</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><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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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionPatterns::compare_specificity</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap1</span><span class="plain-syntax">, </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap2</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">ap1</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">ap2</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> -1;</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">ap1</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">ap2</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="constant-syntax">1</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">ap1</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">ap2</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="constant-syntax">0</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">SPECIFICITIES</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"Comparing specificity of action patterns:\n(1) $A(2) $A\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap1</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap2</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">ap1</span><span class="plain-syntax">-></span><span class="element-syntax">valid</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">ap2</span><span class="plain-syntax">-></span><span class="element-syntax">valid</span><span class="plain-syntax"> != </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> -1;</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">ap1</span><span class="plain-syntax">-></span><span class="element-syntax">valid</span><span class="plain-syntax"> != </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">ap2</span><span class="plain-syntax">-></span><span class="element-syntax">valid</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">1</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">rv</span><span class="plain-syntax"> = </span><a href="4-apc.html#SP5" class="function-link"><span class="function-syntax">APClauses::compare_specificity</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap1</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap2</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">rv</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">rv</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c_s_stage_law</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="string-syntax">"III.4.1 - Action/How/What Happens"</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">rv</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::compare_specificity</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap1</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap2</span><span class="plain-syntax">-></span><span class="element-syntax">action_list</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">rv</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">rv</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c_s_stage_law</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="string-syntax">"III.5.1 - Action/When/Duration"</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">rv</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Occurrence::compare_specificity</span><span class="plain-syntax">(</span><span class="identifier-syntax">ap1</span><span class="plain-syntax">-></span><span class="element-syntax">duration</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap2</span><span class="plain-syntax">-></span><span class="element-syntax">duration</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">rv</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">rv</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c_s_stage_law</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="string-syntax">"III.5.2 - Action/When/Circumstances"</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">rv</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Conditions::compare_specificity_of_CONDITIONs</span><span class="plain-syntax">(</span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_val</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap1</span><span class="plain-syntax">, </span><span class="constant-syntax">WHEN_AP_CLAUSE</span><span class="plain-syntax">), </span><a href="4-apc.html#SP3" class="function-link"><span class="function-syntax">APClauses::get_val</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap2</span><span class="plain-syntax">, </span><span class="constant-syntax">WHEN_AP_CLAUSE</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">rv</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">rv</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c_s_stage_law</span><span class="plain-syntax"> = </span><span class="identifier-syntax">I</span><span class="string-syntax">"III.6.1 - Action/Name/Is This Named"</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><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::is_named</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap1</span><span class="plain-syntax">)) && (</span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::is_named</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap2</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">return</span><span class="plain-syntax"> </span><span class="constant-syntax">1</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><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::is_named</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap1</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) && (</span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::is_named</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap2</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"> -1;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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