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@ -85,137 +85,412 @@ MathJax = {
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<!--Weave of 'Action Name Lists' 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 Name Lists</b></li></ul></div>
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<p class="purpose">Action name lists provide a disjunction in the choice of action made by an action pattern. For instance, "taking or dropping the disc" results in a two-entry ANL. An empty ANL is also legal, and means "doing something" -- the generic I7 text for "any action at all".</p>
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<p class="purpose">Action name lists are used in parsing action patterns, and identify which action names seem to be possible within them.</p>
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<ul class="toc"><li><a href="4-anl.html#SP1">§1. Definitions</a></li><li><a href="4-anl.html#SP10">§10. Specificity of ANLs</a></li></ul><hr class="tocbar">
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<ul class="toc"><li><a href="4-anl.html#SP1">§1. Data structure</a></li><li><a href="4-anl.html#SP11">§11. Single and best actions</a></li><li><a href="4-anl.html#SP14">§14. Logging</a></li><li><a href="4-anl.html#SP15">§15. Parsing text to an ANL</a></li></ul><hr class="tocbar">
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Definitions. </b></p>
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. Data structure. </b>An ANL is a head object, an <a href="4-anl.html#SP1" class="internal">action_name_list</a>, which points to a linked
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list of <a href="4-anl.html#SP3" class="internal">anl_entry</a> objects.
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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">anl_head</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">body</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">anyone_specified</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">anl_head</span><span class="plain-syntax">;</span>
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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_name_list</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entries</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">negation_state</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::new_head</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">ActionNameLists::new_head</span></span>:<br/><a href="4-anl.html#SP3">§3</a>, <a href="4-anl.html#SP3_1">§3.1</a>, <a href="4-anl.html#SP3_2">§3.2</a><br/>Action Patterns - <a href="4-ap2.html#SP25_1">§25.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">negate_pattern</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="identifier-syntax">body</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="identifier-syntax">anyone_specified</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">negate_pattern</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">anl</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"cannot"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">negate_pattern</span><span class="plain-syntax"> = </span><span class="identifier-syntax">negate_pattern</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">head</span><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">ActionNameLists::new_list</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">ActionNameLists::new_list</span></span>:<br/><a href="4-anl.html#SP16">§16</a>, <a href="4-anl.html#SP16_1">§16.1</a>, <a href="4-anl.html#SP16_2">§16.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">first</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">state</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="identifier-syntax">entries</span><span class="plain-syntax"> = </span><span class="identifier-syntax">first</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="identifier-syntax">negation_state</span><span class="plain-syntax"> = </span><span class="identifier-syntax">state</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">list</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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<ul class="endnotetexts"><li>The structure action_name_list is accessed in 4/ap2 and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>The "negation state" of a list is one of three possibilities, not two. The
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difference is that "doing something other than examining the box", for example,
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is <span class="extract"><span class="extract-syntax">ANL_NEGATED_LISTWISE</span></span>, whereas "doing something other than examining to the
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box" is <span class="extract"><span class="extract-syntax">ANL_NEGATED_ITEMWISE</span></span>. Note that the state is set irrevocably when the
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list is created.
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">ANL_POSITIVE</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">ANL_NEGATED_LISTWISE</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">ANL_NEGATED_ITEMWISE</span><span class="plain-syntax"> </span><span class="constant-syntax">3</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="function-syntax">ActionNameLists::listwise_negated</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">ActionNameLists::listwise_negated</span></span>:<br/><a href="4-anl.html#SP14">§14</a><br/>Action Patterns - <a href="4-ap2.html#SP34_1">§34.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">negation_state</span><span class="plain-syntax"> == </span><span class="constant-syntax">ANL_NEGATED_LISTWISE</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">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> {</span>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::itemwise_negated</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">ActionNameLists::itemwise_negated</span></span>:<br/><a href="4-anl.html#SP14">§14</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">negation_state</span><span class="plain-syntax"> == </span><span class="constant-syntax">ANL_NEGATED_ITEMWISE</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">ActionNameLists::positive</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">ActionNameLists::positive</span></span>:<br/><a href="4-anl.html#SP8">§8</a>, <a href="4-anl.html#SP9">§9</a>, <a href="4-anl.html#SP11">§11</a>, <a href="4-anl.html#SP13">§13</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="identifier-syntax">negation_state</span><span class="plain-syntax"> == </span><span class="constant-syntax">ANL_POSITIVE</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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</pre>
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<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>An entry has some book-keeping fields, and is otherwise divided into the
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item itself — either an action name or a named action pattern — and some
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parsing data needed by the complicated algorithms for turning text into an
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action list.
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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">anl_entry</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">anl_item</span><span class="plain-syntax"> </span><span class="identifier-syntax">item</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">next</span><span class="plain-syntax">; </span><span class="comment-syntax"> next in this ANL list</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">delete_this_link</span><span class="plain-syntax">; </span><span class="comment-syntax"> used temporarily during parsing</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">anl_parsing_data</span><span class="plain-syntax"> </span><span class="reserved-syntax">parsing_data</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">marked_for_deletion</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">next_link</span><span class="plain-syntax">; </span><span class="comment-syntax"> next in this ANL list</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::new_entry_at</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">ActionNameLists::new_entry_at</span></span>:<br/><a href="4-anl.html#SP16_1">§16.1</a>, <a href="4-anl.html#SP17_2">§17.2</a>, <a href="4-anl.html#SP19_1">§19.1</a>, <a href="4-anl.html#SP19_2">§19.2</a>, <a href="4-anl.html#SP21">§21</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">at</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP7" class="function-link"><span class="function-syntax">ActionNameLists::new_item</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP10" class="function-link"><span class="function-syntax">ActionNameLists::new_parsing_data</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">at</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">marked_for_deletion</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">new_anl</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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<ul class="endnotetexts"><li>The structure anl_entry is private to this section.</li></ul>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>The model here is that the list can be reduced in size by marking entries
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for deletion and then, subsequently, having all such entries removed. Note
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that the head <a href="4-anl.html#SP1" class="internal">action_name_list</a> object remains valid even if every entry
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is removed.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::mark_for_deletion</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">ActionNameLists::mark_for_deletion</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5">§26.5</a>, <a href="4-ap2.html#SP26_5_6">§26.5.6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">X</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">X</span><span class="plain-syntax">) </span><span class="identifier-syntax">X</span><span class="plain-syntax">-></span><span class="element-syntax">marked_for_deletion</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">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"tried to mark null entry for deletion"</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">ActionNameLists::marked_for_deletion</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">ActionNameLists::marked_for_deletion</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5_6">§26.5.6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">X</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">X</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">X</span><span class="plain-syntax">-></span><span class="element-syntax">marked_for_deletion</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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</pre>
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<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. </b>This function actually does two things: deletes unwanted entries, and deletes
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entries which fail to change the word position.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::remove_entries_marked_for_deletion</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">ActionNameLists::remove_entries_marked_for_deletion</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5_7">§26.5.7</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</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">pos</span><span class="plain-syntax"> = -1;</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</span><span class="plain-syntax"> = </span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</span><span class="plain-syntax">, *</span><span class="identifier-syntax">prev</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">entry</span><span class="plain-syntax">; </span><span class="identifier-syntax">entry</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">marked_for_deletion</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">pos</span><span class="plain-syntax"> == </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</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">prev</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</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">prev</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</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">prev</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">pos</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</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="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="SP6" class="paragraph-anchor"></a><b>§6. </b>When not pruning the list, these macros are useful for working through it:
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="identifier-syntax">LOOP_THROUGH_ANL</span><span class="plain-syntax">(</span><span class="identifier-syntax">var</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">var</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">list</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</span><span class="plain-syntax">):</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">var</span><span class="plain-syntax">; </span><span class="identifier-syntax">var</span><span class="plain-syntax"> = </span><span class="identifier-syntax">var</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax">)</span>
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<span class="definition-keyword">define</span> <span class="identifier-syntax">LOOP_THROUGH_ANL_WITH_PREV</span><span class="plain-syntax">(</span><span class="identifier-syntax">var</span><span class="plain-syntax">, </span><span class="identifier-syntax">prev_var</span><span class="plain-syntax">, </span><span class="identifier-syntax">next_var</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">var</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">list</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</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">prev_var</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, *</span><span class="identifier-syntax">next_var</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">var</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">var</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</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">var</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">prev_var</span><span class="plain-syntax"> = </span><span class="identifier-syntax">var</span><span class="plain-syntax">, </span><span class="identifier-syntax">var</span><span class="plain-syntax"> = </span><span class="identifier-syntax">next_var</span><span class="plain-syntax">, </span><span class="identifier-syntax">next_var</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">next_var</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">next_var</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax">):</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">)</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="function-syntax">ActionNameLists::length</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">ActionNameLists::length</span></span>:<br/><a href="4-anl.html#SP11">§11</a><br/>Action Patterns - <a href="4-ap2.html#SP35">§35</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</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">C</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">LOOP_THROUGH_ANL</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax">) </span><span class="identifier-syntax">C</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">C</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">ActionNameLists::nonempty</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">ActionNameLists::nonempty</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</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>
|
|
|
|
|
</pre>
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<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. </b>The <a href="4-anl.html#SP7" class="internal">anl_item</a> material is the actual content we are trying to get at:
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</p>
|
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|
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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">anl_item</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">action_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">action_listed</span><span class="plain-syntax">; </span><span class="comment-syntax"> the action in this ANL list entry</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">named_action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nap_listed</span><span class="plain-syntax">; </span><span class="comment-syntax"> or a named pattern instead</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">anl_item</span><span class="plain-syntax">;</span>
|
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<span class="reserved-syntax">anl_item</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::new_item</span><button class="popup" onclick="togglePopup('usagePopup11')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup11">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::new_item</span></span>:<br/><a href="4-anl.html#SP3">§3</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">anl_item</span><span class="plain-syntax"> </span><span class="identifier-syntax">item</span><span class="plain-syntax">;</span>
|
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</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">item</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">anl_item</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::first_item</span><button class="popup" onclick="togglePopup('usagePopup12')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup12">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::first_item</span></span>:<br/><a href="4-anl.html#SP11">§11</a><br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a>, <a href="4-ap2.html#SP26_1">§26.1</a>, <a href="4-ap2.html#SP34">§34</a>, <a href="4-ap2.html#SP35">§35</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> &(</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</span><span class="plain-syntax">-></span><span class="element-syntax">item</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>
|
|
|
|
|
<span class="plain-syntax">}</span>
|
|
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|
|
</pre>
|
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|
|
<ul class="endnotetexts"><li>The structure anl_item is accessed in 4/ap2 and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>§8. </b>The following is one of Inform's standardised comparison routines, which
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takes a pair of objects A, B and returns 1 if A makes a more specific
|
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|
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description than B, 0 if they seem equally specific, or \(-1\) if B makes a
|
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|
|
more specific description than A. This is transitive, and intended to be
|
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|
|
used in sorting algorithms.
|
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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">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::compare_specificity</span><button class="popup" onclick="togglePopup('usagePopup13')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup13">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::compare_specificity</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP27">§27</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl1</span><span class="plain-syntax">, </span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl2</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">count1</span><span class="plain-syntax">, </span><span class="identifier-syntax">count2</span><span class="plain-syntax">;</span>
|
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">count1</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP8" class="function-link"><span class="function-syntax">ActionNameLists::count_actions_covered</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl1</span><span class="plain-syntax">);</span>
|
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<span class="plain-syntax"> </span><span class="identifier-syntax">count2</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP8" class="function-link"><span class="function-syntax">ActionNameLists::count_actions_covered</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl2</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">count1</span><span class="plain-syntax"> < </span><span class="identifier-syntax">count2</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">count1</span><span class="plain-syntax"> > </span><span class="identifier-syntax">count2</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">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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|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::count_actions_covered</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</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">k</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">infinity</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NUMBER_CREATED</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_name</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">list</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">infinity</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">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</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">infinity</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_ANL</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax">) </span><span class="reserved-syntax">continue</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">k</span><span class="plain-syntax"> < </span><span class="identifier-syntax">infinity</span><span class="plain-syntax">)) </span><span class="identifier-syntax">k</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">k</span><span class="plain-syntax"> = </span><span class="identifier-syntax">infinity</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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::positive</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">k</span><span class="plain-syntax"> = </span><span class="identifier-syntax">infinity</span><span class="plain-syntax"> - </span><span class="identifier-syntax">k</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">k</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">named_action_pattern</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::nap</span><button class="popup" onclick="togglePopup('usagePopup14')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup14">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::nap</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_6">§26.6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</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">action_name</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::action</span><button class="popup" onclick="togglePopup('usagePopup15')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup15">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::action</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5_4">§26.5.4</a>, <a href="4-ap2.html#SP26_5_5">§26.5.5</a>, <a href="4-ap2.html#SP26_5_6">§26.5.6</a>, <a href="4-ap2.html#SP26_6">§26.6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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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</pre>
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<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b>A given action <span class="extract"><span class="extract-syntax">an</span></span> falls within the context of this list if it appears
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positively in the list, or negatively by not falling into a category excluded
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by it; for example, "examining" falls within "examining something", and also
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within "doing something other than looking at something" (a case of itemwise
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negation) but not "doing something other than looking".
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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">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::covers_action</span><button class="popup" onclick="togglePopup('usagePopup16')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup16">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::covers_action</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</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="identifier-syntax">LOOP_THROUGH_ANL</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</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><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</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">within</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">item</span><span class="plain-syntax">-></span><span class="element-syntax">action_listed</span><span class="plain-syntax"> == </span><span class="identifier-syntax">an</span><span class="plain-syntax">) </span><span class="identifier-syntax">within</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">else</span><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="element-syntax">nap_listed</span><span class="plain-syntax">) </span><span class="identifier-syntax">within</span><span class="plain-syntax"> =</span>
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<span class="plain-syntax"> </span><a href="4-nap.html#SP3" class="function-link"><span class="function-syntax">NamedActionPatterns::covers_action</span></a><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="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">within</span><span class="plain-syntax">) && (</span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::positive</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">))) ||</span>
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<span class="plain-syntax"> ((</span><span class="identifier-syntax">within</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) && (</span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::positive</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</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">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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</pre>
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<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. </b>The <a href="4-anl.html#SP10" class="internal">anl_parsing_data</a> material is needed on a temporary basis when parsing
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the text leading to a list:
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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">anl_parsing_data</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">word_position</span><span class="plain-syntax">; </span><span class="comment-syntax"> and some values used temporarily during parsing</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">negate_pattern</span><span class="plain-syntax">; </span><span class="comment-syntax"> parity of the entire list which this heads</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">parc</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">parameter</span><span class="plain-syntax">[2];</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">in_clause</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">abbreviation_level</span><span class="plain-syntax">; </span><span class="comment-syntax"> number of words missing</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">anl_parsing_data</span><span class="plain-syntax">;</span>
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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">anl_item</span><span class="plain-syntax"> {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">action_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">action_listed</span><span class="plain-syntax">; </span><span class="comment-syntax"> the action in this ANL list entry</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">named_action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">nap_listed</span><span class="plain-syntax">; </span><span class="comment-syntax"> or a named pattern instead</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">parity</span><span class="plain-syntax">; </span><span class="comment-syntax"> parity of just this individual item</span>
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<span class="plain-syntax">} </span><span class="reserved-syntax">anl_item</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">anl_item</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::first_item</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">ActionNameLists::first_item</span></span>:<br/><a href="4-anl.html#SP9">§9</a><br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a>, <a href="4-ap2.html#SP33">§33</a>, <a href="4-ap2.html#SP34">§34</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax">)) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> &(</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax">-></span><span class="element-syntax">item</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="reserved-syntax">anl_parsing_data</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::new_parsing_data</span><button class="popup" onclick="togglePopup('usagePopup17')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup17">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::new_parsing_data</span></span>:<br/><a href="4-anl.html#SP3">§3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">at</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_parsing_data</span><span class="plain-syntax"> </span><span class="reserved-syntax">parsing_data</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</span><span class="plain-syntax"> = </span><span class="identifier-syntax">at</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</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="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">abbreviation_level</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="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="reserved-syntax">parsing_data</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">ActionNameLists::length</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">ActionNameLists::length</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a>, <a href="4-ap2.html#SP34">§34</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</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">C</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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">list</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax">; </span><span class="identifier-syntax">anl</span><span class="plain-syntax">; </span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</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="identifier-syntax">C</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">C</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::parc</span><button class="popup" onclick="togglePopup('usagePopup18')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup18">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::parc</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5">§26.5</a>, <a href="4-ap2.html#SP26_5_1">§26.5.1</a>, <a href="4-ap2.html#SP26_6">§26.6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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">0</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">ActionNameLists::first_position</span><button class="popup" onclick="togglePopup('usagePopup19')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup19">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::first_position</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5">§26.5</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">list</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="4-anl.html#SP10" class="function-link"><span class="function-syntax">ActionNameLists::word_position</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">-></span><span class="element-syntax">entries</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>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::word_position</span><button class="popup" onclick="togglePopup('usagePopup20')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup20">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::word_position</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5">§26.5</a>, <a href="4-ap2.html#SP26_5_1_1">§26.5.1.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</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>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::same_word_position</span><button class="popup" onclick="togglePopup('usagePopup21')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup21">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::same_word_position</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5_6">§26.5.6</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">Y</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">entry</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Y</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</span><span class="plain-syntax"> == </span><span class="identifier-syntax">Y</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</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="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::par</span><button class="popup" onclick="togglePopup('usagePopup22')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup22">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::par</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5_4">§26.5.4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</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">entry</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parameter</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">return</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="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::in_clause</span><button class="popup" onclick="togglePopup('usagePopup23')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup23">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::in_clause</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_5_4">§26.5.4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</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">EMPTY_WORDING</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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<ul class="endnotetexts"><li>The structure anl_head is accessed in 4/ap2 and here.</li><li>The structure anl_link is accessed in 2/ri, 3/tm, 3/scn, 3/ts, 4/ap, 4/av, 4/ap2, 5/tfg, 5/gl and here.</li><li>The structure anl_item is accessed in 4/ap2 and here.</li></ul>
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<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>The action name list is the part of an action pattern identifying
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which actions are allowed: "taking, dropping or examining" for
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example. The following routine extracts this from a potentially longer
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text (e.g. "taking, dropping or examining a door").
|
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<ul class="endnotetexts"><li>The structure anl_parsing_data is private to this section.</li></ul>
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<p class="commentary firstcommentary"><a id="SP11" class="paragraph-anchor"></a><b>§11. Single and best actions. </b>This tests whether the list gives a single positive action:
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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">anl_link</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::new_link</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">ActionNameLists::new_link</span></span>:<br/><a href="4-anl.html#SP3_1">§3.1</a>, <a href="4-anl.html#SP4_2">§4.2</a>, <a href="4-anl.html#SP6_1">§6.1</a>, <a href="4-anl.html#SP6_2">§6.2</a>, <a href="4-anl.html#SP9">§9</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">CREATE</span><span class="plain-syntax">(</span><span class="reserved-syntax">anl_link</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax"> = -1;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</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="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">negate_pattern</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">in_clause</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">abbreviation_level</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">delete_this_link</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">new_anl</span><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">ActionNameLists::single_positive_action</span><button class="popup" onclick="togglePopup('usagePopup24')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup24">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::single_positive_action</span></span>:<br/><a href="4-anl.html#SP12">§12</a><br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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><a href="4-anl.html#SP6" class="function-link"><span class="function-syntax">ActionNameLists::length</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::positive</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">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><a href="4-anl.html#SP7" class="function-link"><span class="function-syntax">ActionNameLists::first_item</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">)-></span><span class="element-syntax">action_listed</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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|
</pre>
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<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. </b>This is used only when the list is part of an exactly known action, so
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that it should contain just one item, and this should be an actual action,
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not a NAP.
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</p>
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::log</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">ActionNameLists::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">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">head</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::log_anl_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl</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">ActionNameLists::log_anl_link</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">ActionNameLists::log_anl_link</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">anl</span><span class="plain-syntax">; </span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax">, </span><span class="identifier-syntax">c</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">"ANL entry %s(%d@%d): %s "</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">delete_this_link</span><span class="plain-syntax">)?</span><span class="string-syntax">"(to be deleted) "</span><span class="plain-syntax">:</span><span class="string-syntax">""</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">, </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</span><span class="plain-syntax">==1)?</span><span class="string-syntax">"+"</span><span class="plain-syntax">:</span><span class="string-syntax">"-"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">"%W"</span><span class="plain-syntax">, </span><a href="4-ann.html#SP5" class="function-link"><span class="function-syntax">ActionNameNames::tensed</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">, </span><span class="identifier-syntax">IS_TENSE</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</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">"%W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Nouns::nominative_singular</span><span class="plain-syntax">(</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax">-></span><span class="element-syntax">as_noun</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"NULL"</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="function-syntax"><anl-></span><span class="element-syntax">parc</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="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" [%d: %W]"</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parameter</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="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" [in: %W]\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">in_clause</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">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::log_briefly</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">ActionNameLists::log_briefly</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">head</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</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="identifier-syntax">anl</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"<null-anl>"</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">negate_pattern</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"NOT[ "</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">a</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="identifier-syntax">a</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</span><span class="plain-syntax">; </span><span class="identifier-syntax">a</span><span class="plain-syntax">; </span><span class="identifier-syntax">a</span><span class="plain-syntax"> = </span><span class="identifier-syntax">a</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">a</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</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">a</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</span><span class="plain-syntax"> == -1) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"not-"</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">"%W / "</span><span class="plain-syntax">, </span><span class="identifier-syntax">Nouns::nominative_singular</span><span class="plain-syntax">(</span><span class="identifier-syntax">a</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax">-></span><span class="element-syntax">as_noun</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">a</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"ANY / "</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">a</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</span><span class="plain-syntax"> == -1) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"not-"</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">"%W / "</span><span class="plain-syntax">, </span><a href="4-ann.html#SP5" class="function-link"><span class="function-syntax">ActionNameNames::tensed</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">a</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">, </span><span class="identifier-syntax">IS_TENSE</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">negate_pattern</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" ]"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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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">ActionNameLists::get_singleton_action</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">ActionNameLists::get_singleton_action</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP28">§28</a>, <a href="4-ap2.html#SP32">§32</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</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>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"Supposed singleton ANL is empty"</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"Supposed singleton ANL is empty"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">an</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">;</span>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">action_name</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::get_the_one_true_action</span><button class="popup" onclick="togglePopup('usagePopup25')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup25">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::get_the_one_true_action</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP29">§29</a>, <a href="4-ap2.html#SP33">§33</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</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-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::single_positive_action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">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">an</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"Singleton ANL points to null AN"</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">an</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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<span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl_being_parsed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</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>The following handles action name lists, such as:
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<p class="commentary firstcommentary"><a id="SP13" class="paragraph-anchor"></a><b>§13. </b>The "best" action is the one maximising the number of words in the fixed
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part of an action name: thus if there are actions "throwing away" and
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"throwing", then in the ANL arising from the text "throwing away the fish",
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|
the action "throwing away" is better than the action "throwing".
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</p>
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<p class="commentary">If the list includes actions at two different word positions, so that they
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|
are not alternate readings from the same point, then by definition there
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is no best action. (For example, in "throwing or removing something".)
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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">action_name</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::get_best_action</span><button class="popup" onclick="togglePopup('usagePopup26')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup26">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::get_best_action</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26_3">§26.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</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">posn</span><span class="plain-syntax"> = -1, </span><span class="identifier-syntax">best_score</span><span class="plain-syntax"> = -1;</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">best</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">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">RULE_ATTACHMENTS</span><span class="plain-syntax">, </span><span class="string-syntax">"Getting single action from:\n$L\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::positive</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</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">NULL</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_ANL</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">score</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::entry_score</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</span><span class="plain-syntax"> != </span><span class="identifier-syntax">posn</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">posn</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">NULL</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">posn</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">best</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">best_score</span><span class="plain-syntax"> = </span><span class="identifier-syntax">score</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">score</span><span class="plain-syntax"> > </span><span class="identifier-syntax">best_score</span><span class="plain-syntax">) {</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">best_score</span><span class="plain-syntax"> = </span><span class="identifier-syntax">score</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">best</span><span class="plain-syntax"> = </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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="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">RULE_ATTACHMENTS</span><span class="plain-syntax">, </span><span class="string-syntax">"Posn %d AN $l\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">posn</span><span class="plain-syntax">, </span><span class="identifier-syntax">best</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">best</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">ActionNameLists::entry_score</span><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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-ann.html#SP7" class="function-link"><span class="function-syntax">ActionNameNames::non_it_length</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">) -</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">abbreviation_level</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>
|
|
|
|
|
<span class="plain-syntax">}</span>
|
|
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|
|
</pre>
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<p class="commentary firstcommentary"><a id="SP14" class="paragraph-anchor"></a><b>§14. Logging. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::log</span><button class="popup" onclick="togglePopup('usagePopup27')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup27">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::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_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"<null-anl>"</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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::listwise_negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">)) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"L-NOT[ "</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-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::itemwise_negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">)) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"I-NOT[ "</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">c</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">LOOP_THROUGH_ANL</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</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">"(%d). "</span><span class="plain-syntax">, </span><span class="identifier-syntax">c</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="4-anl.html#SP14" class="function-link"><span class="function-syntax">ActionNameLists::log_entry</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c</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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::listwise_negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">)) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" ]"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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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">ActionNameLists::log_briefly</span><button class="popup" onclick="togglePopup('usagePopup28')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup28">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::log_briefly</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">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">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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"<null-anl>"</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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::listwise_negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">)) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"L-NOT[ "</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-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::itemwise_negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">)) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"I-NOT[ "</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">c</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">LOOP_THROUGH_ANL</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">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">c</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" / "</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><a href="4-anl.html#SP14" class="function-link"><span class="function-syntax">ActionNameLists::log_entry_briefly</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">c</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><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::listwise_negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">)) </span><span class="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" ]"</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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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">ActionNameLists::log_entry</span><button class="popup" onclick="togglePopup('usagePopup29')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup29">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::log_entry</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"<null-entry>"</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"ANL entry %s(@%d): "</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> (</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">marked_for_deletion</span><span class="plain-syntax">)?</span><span class="string-syntax">"(to be deleted) "</span><span class="plain-syntax">:</span><span class="string-syntax">""</span><span class="plain-syntax">,</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">"%W"</span><span class="plain-syntax">, </span><a href="4-ann.html#SP5" class="function-link"><span class="function-syntax">ActionNameNames::tensed</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">, </span><span class="identifier-syntax">IS_TENSE</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</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">"%W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Nouns::nominative_singular</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax">-></span><span class="element-syntax">as_noun</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"NULL"</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="function-syntax"><entry-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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="identifier-syntax">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">" [%d: %W]"</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parameter</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">Wordings::nonempty</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</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">" [in: %W]\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</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">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::log_entry_briefly</span><span class="plain-syntax">(</span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">entry</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</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">"%W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Nouns::nominative_singular</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax">-></span><span class="element-syntax">as_noun</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">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"ANY"</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">LOG</span><span class="plain-syntax">(</span><span class="string-syntax">"%W"</span><span class="plain-syntax">, </span><a href="4-ann.html#SP5" class="function-link"><span class="function-syntax">ActionNameNames::tensed</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">, </span><span class="identifier-syntax">IS_TENSE</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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</pre>
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<p class="commentary firstcommentary"><a id="SP15" class="paragraph-anchor"></a><b>§15. Parsing text to an ANL. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl_being_parsed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP16" class="paragraph-anchor"></a><b>§16. </b>The following handles action name lists, such as:
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</p>
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<blockquote>
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@ -235,14 +510,14 @@ operands.
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<span class="Preform-function-syntax"><action-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">something/anything</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">other</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">than</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-excluded></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { FALSE, RP[1] }</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">something/anything</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">except</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-excluded></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { FALSE, RP[1] }</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">something/anything</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to/with</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-to-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, ActionNameLists::new_head(RP[1], FALSE) }</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">something/anything</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP3_1" class="named-paragraph-link"><span class="named-paragraph">Construct ANL for anything</span><span class="named-paragraph-number">3.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">something/anything</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to/with</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-to-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, ActionNameLists::new_list(RP[1], ANL_POSITIVE) }</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">something/anything</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP16_1" class="named-paragraph-link"><span class="named-paragraph">Construct ANL for anything</span><span class="named-paragraph-number">16.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">something/anything</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { fail }</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, ActionNameLists::new_head(RP[1], FALSE) }</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, ActionNameLists::new_list(RP[1], ANL_POSITIVE) }</span>
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<span class="Preform-function-syntax"><anl-excluded></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to/with</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{<anl-minimal-common-operand>}</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP3_2" class="named-paragraph-link"><span class="named-paragraph">Add to-clause to excluded ANL</span><span class="named-paragraph-number">3.2</span></a></span><span class="Preform-constant-syntax">;</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, ActionNameLists::new_head(RP[1], TRUE) }</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to/with</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{<anl-minimal-common-operand>}</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP16_2" class="named-paragraph-link"><span class="named-paragraph">Add to-clause to excluded ANL</span><span class="named-paragraph-number">16.2</span></a></span><span class="Preform-constant-syntax">;</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, ActionNameLists::new_list(RP[1], ANL_NEGATED_LISTWISE) }</span>
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<span class="Preform-function-syntax"><anl-minimal-common-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">_,/or</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { fail }</span>
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@ -250,16 +525,15 @@ operands.
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<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span>
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</pre>
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<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
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<p class="commentary firstcommentary"><a id="SP3_1" class="paragraph-anchor"></a><b>§3.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct ANL for anything</span><span class="named-paragraph-number">3.1</span></span><span class="Preform-comment-syntax"> =</span>
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<p class="commentary firstcommentary"><a id="SP16_1" class="paragraph-anchor"></a><b>§16.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct ANL for anything</span><span class="named-paragraph-number">16.1</span></span><span class="Preform-comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::new_link</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</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">TRUE</span><span class="plain-syntax">, </span><a href="4-anl.html#SP1" class="function-link"><span class="function-syntax">ActionNameLists::new_head</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP3" class="function-link"><span class="function-syntax">ActionNameLists::new_entry_at</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::first_wn</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">TRUE</span><span class="plain-syntax">, </span><a href="4-anl.html#SP1" class="function-link"><span class="function-syntax">ActionNameLists::new_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl</span><span class="plain-syntax">, </span><span class="constant-syntax">ANL_POSITIVE</span><span class="plain-syntax">) };</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP3">§3</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>The trickiest form is:
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP16">§16</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP17" class="paragraph-anchor"></a><b>§17. </b>The trickiest form is:
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</p>
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<blockquote>
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@ -277,11 +551,11 @@ for instance, we don't want to count the "in" from "fixed in place".
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<pre class="Preform-displayed-code all-displayed-code code-font">
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<span class="Preform-function-syntax"><anl-to-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-in-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP4_1" class="named-paragraph-link"><span class="named-paragraph">Augment ANL with in clause</span><span class="named-paragraph-number">4.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-in-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP17_1" class="named-paragraph-link"><span class="named-paragraph">Augment ANL with in clause</span><span class="named-paragraph-number">17.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
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<span class="Preform-function-syntax"><anl-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP4_2" class="named-paragraph-link"><span class="named-paragraph">Construct ANL for anything applied</span><span class="named-paragraph-number">4.2</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP17_2" class="named-paragraph-link"><span class="named-paragraph">Construct ANL for anything applied</span><span class="named-paragraph-number">17.2</span></a></span>
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<span class="Preform-function-syntax"><anl-in-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">fixed</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">place</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">***</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { advance Wordings::delta(WR[1], W) }</span>
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@ -289,35 +563,32 @@ for instance, we don't want to count the "in" from "fixed in place".
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, - }</span>
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</pre>
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<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
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<p class="commentary firstcommentary"><a id="SP4_1" class="paragraph-anchor"></a><b>§4.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Augment ANL with in clause</span><span class="named-paragraph-number">4.1</span></span><span class="Preform-comment-syntax"> =</span>
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<p class="commentary firstcommentary"><a id="SP17_1" class="paragraph-anchor"></a><b>§17.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Augment ANL with in clause</span><span class="named-paragraph-number">17.1</span></span><span class="Preform-comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">in_clause</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-in-tail></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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-in-tail></span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP4">§4</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP4_2" class="paragraph-anchor"></a><b>§4.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct ANL for anything applied</span><span class="named-paragraph-number">4.2</span></span><span class="comment-syntax"> =</span>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP17">§17</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP17_2" class="paragraph-anchor"></a><b>§17.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Construct ANL for anything applied</span><span class="named-paragraph-number">17.2</span></span><span class="comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</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">preform_lookahead_mode</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">anl_being_parsed</span><span class="plain-syntax">)) </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl_being_parsed</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">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::new_link</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP3" class="function-link"><span class="function-syntax">ActionNameLists::new_entry_at</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::first_wn</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> ==> { </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">, </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> };</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP4">§4</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. </b>Now for the basic list of actions being included:
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP17">§17</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP18" class="paragraph-anchor"></a><b>§18. </b>Now for the basic list of actions being included:
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</p>
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<pre class="Preform-displayed-code all-displayed-code code-font">
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<span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-entry></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Join parsed ANLs</span><span class="named-paragraph-number">5.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-entry></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP18_1" class="named-paragraph-link"><span class="named-paragraph">Join parsed ANLs</span><span class="named-paragraph-number">18.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-entry></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
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<span class="Preform-function-syntax"><anl-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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@ -325,7 +596,7 @@ for instance, we don't want to count the "in" from "fixed in place".
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">_,/or</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
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</pre>
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<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
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<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. </b>Which reduces us to an internal nonterminal for an entry in this list.
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<p class="commentary firstcommentary"><a id="SP19" class="paragraph-anchor"></a><b>§19. </b>Which reduces us to an internal nonterminal for an entry in this list.
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It actually produces multiple matches: for example,
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</p>
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@ -341,8 +612,8 @@ end, but it's syntactically valid.)
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<pre class="Preform-displayed-code all-displayed-code code-font">
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<span class="Preform-function-syntax"><anl-entry></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><named-action-pattern></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP6_1" class="named-paragraph-link"><span class="named-paragraph">Make an action pattern from named behaviour</span><span class="named-paragraph-number">6.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><named-action-pattern></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-in-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP6_2" class="named-paragraph-link"><span class="named-paragraph">Make an action pattern from named behaviour plus in</span><span class="named-paragraph-number">6.2</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><named-action-pattern></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP19_1" class="named-paragraph-link"><span class="named-paragraph">Make an action pattern from named behaviour</span><span class="named-paragraph-number">19.1</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><named-action-pattern></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-in-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-anl.html#SP19_2" class="named-paragraph-link"><span class="named-paragraph">Make an action pattern from named behaviour plus in</span><span class="named-paragraph-number">19.2</span></a></span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><anl-entry-with-action></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
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<span class="Preform-function-syntax"><named-action-pattern></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
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@ -354,7 +625,7 @@ end, but it's syntactically valid.)
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<span class="Preform-plain-syntax">}</span>
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<span class="Preform-function-syntax"><anl-entry-with-action></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">internal</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">anl_link</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">anl</span><span class="Preform-plain-syntax"> = </span><a href="4-anl.html#SP9" class="function-link"><span class="Preform-function-syntax">ActionNameLists::anl_parse_internal</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">anl_entry</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">anl</span><span class="Preform-plain-syntax"> = </span><a href="4-anl.html#SP21" class="function-link"><span class="Preform-function-syntax">ActionNameLists::anl_parse_internal</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">anl</span><span class="Preform-plain-syntax">) {</span>
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<span class="Preform-plain-syntax"> ==> { -, </span><span class="Preform-identifier-syntax">anl</span><span class="Preform-plain-syntax"> }; </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">;</span>
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<span class="Preform-plain-syntax"> }</span>
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@ -362,75 +633,63 @@ end, but it's syntactically valid.)
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<span class="Preform-plain-syntax">}</span>
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</pre>
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<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
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<p class="commentary firstcommentary"><a id="SP6_1" class="paragraph-anchor"></a><b>§6.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make an action pattern from named behaviour</span><span class="named-paragraph-number">6.1</span></span><span class="Preform-comment-syntax"> =</span>
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<p class="commentary firstcommentary"><a id="SP19_1" class="paragraph-anchor"></a><b>§19.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make an action pattern from named behaviour</span><span class="named-paragraph-number">19.1</span></span><span class="Preform-comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::new_link</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP3" class="function-link"><span class="function-syntax">ActionNameLists::new_entry_at</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::first_wn</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
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<span class="plain-syntax"> ==> { </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> };</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP6">§6</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP6_2" class="paragraph-anchor"></a><b>§6.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make an action pattern from named behaviour plus in</span><span class="named-paragraph-number">6.2</span></span><span class="comment-syntax"> =</span>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP19">§19</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP19_2" class="paragraph-anchor"></a><b>§19.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Make an action pattern from named behaviour plus in</span><span class="named-paragraph-number">19.2</span></span><span class="comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::new_link</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP3" class="function-link"><span class="function-syntax">ActionNameLists::new_entry_at</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::first_wn</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">in_clause</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-in-tail></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="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-in-tail></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="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> };</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP6">§6</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP3_2" class="paragraph-anchor"></a><b>§3.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Add to-clause to excluded ANL</span><span class="named-paragraph-number">3.2</span></span><span class="comment-syntax"> =</span>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP19">§19</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP16_2" class="paragraph-anchor"></a><b>§16.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Add to-clause to excluded ANL</span><span class="named-paragraph-number">16.2</span></span><span class="comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</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">anl</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><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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">fail</span><span class="plain-syntax"> </span><span class="identifier-syntax">production</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="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</span><span class="plain-syntax">] = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-excluded></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="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP1" class="function-link"><span class="function-syntax">ActionNameLists::new_head</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl</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><a href="4-anl.html#SP7" class="function-link"><span class="function-syntax">ActionNameLists::negate_all</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">head</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> ==> { </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">head</span><span class="plain-syntax"> };</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</span><span class="plain-syntax">] = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-excluded></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="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">list</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP1" class="function-link"><span class="function-syntax">ActionNameLists::new_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl</span><span class="plain-syntax">, </span><span class="constant-syntax">ANL_NEGATED_ITEMWISE</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> ==> { </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax"> };</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP3">§3</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP5_1" class="paragraph-anchor"></a><b>§5.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Join parsed ANLs</span><span class="named-paragraph-number">5.1</span></span><span class="comment-syntax"> =</span>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP16">§16</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP18_1" class="paragraph-anchor"></a><b>§18.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Join parsed ANLs</span><span class="named-paragraph-number">18.1</span></span><span class="comment-syntax"> =</span>
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">join</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">left_atom</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">right_tail</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[2];</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">join</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">left_atom</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">right_tail</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[2];</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">left_atom</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { </span><span class="identifier-syntax">join</span><span class="plain-syntax"> = </span><span class="identifier-syntax">right_tail</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">right_tail</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) { </span><span class="identifier-syntax">join</span><span class="plain-syntax"> = </span><span class="identifier-syntax">left_atom</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">right_tail</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax"> != </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</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="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">left_atom</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">right_tail</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax"> != </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax"> = </span><span class="identifier-syntax">left_atom</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">join</span><span class="plain-syntax"> = </span><span class="identifier-syntax">right_tail</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="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">join</span><span class="plain-syntax"> };</span>
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</pre>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP5">§5</a>.</li></ul>
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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">void</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::negate_all</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">ActionNameLists::negate_all</span></span>:<br/><a href="4-anl.html#SP3_2">§3.2</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</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">head</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="identifier-syntax">body</span><span class="plain-syntax">; </span><span class="identifier-syntax">L</span><span class="plain-syntax">; </span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><span class="identifier-syntax">L</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="identifier-syntax">L</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">L</span><span class="plain-syntax">-></span><span class="identifier-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">)?(-1):1;</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="SP8" class="paragraph-anchor"></a><b>§8. </b></p>
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<ul class="endnotetexts"><li>This code is used in <a href="4-anl.html#SP18">§18</a>.</li></ul>
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<p class="commentary firstcommentary"><a id="SP20" class="paragraph-anchor"></a><b>§20. </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="identifier-syntax">anl_parsing_tense</span><span class="plain-syntax"> = </span><span class="identifier-syntax">IS_TENSE</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::parse</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">ActionNameLists::parse</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP22">§22</a>, <a href="4-ap2.html#SP25_3">§25.3</a>, <a href="4-ap2.html#SP25_4">§25.4</a></span></button><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="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">tense</span><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">ActionNameLists::parse</span><button class="popup" onclick="togglePopup('usagePopup30')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup30">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::parse</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP23">§23</a>, <a href="4-ap2.html#SP26_3">§26.3</a>, <a href="4-ap2.html#SP26_4">§26.4</a></span></button><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="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">tense</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::mismatched_brackets</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">t</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl_parsing_tense</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl_parsing_tense</span><span class="plain-syntax"> = </span><span class="identifier-syntax">tense</span><span class="plain-syntax">;</span>
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@ -440,17 +699,17 @@ end, but it's syntactically valid.)
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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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</pre>
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<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b></p>
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<p class="commentary firstcommentary"><a id="SP21" class="paragraph-anchor"></a><b>§21. </b></p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::anl_parse_internal</span><button class="popup" onclick="togglePopup('usagePopup11')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup11">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::anl_parse_internal</span></span>:<br/><a href="4-anl.html#SP6">§6</a></span></button><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="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::anl_parse_internal</span><button class="popup" onclick="togglePopup('usagePopup31')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup31">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::anl_parse_internal</span></span>:<br/><a href="4-anl.html#SP19">§19</a></span></button><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">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Parsing ANL from %W (tense %d)\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">anl_parsing_tense</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">tense</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl_parsing_tense</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, *</span><span class="identifier-syntax">new_anl</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">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, *</span><span class="identifier-syntax">new_anl</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">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="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::new_link</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP3" class="function-link"><span class="function-syntax">ActionNameLists::new_entry_at</span></a><span class="plain-syntax">(-1);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_OVER</span><span class="plain-syntax">(</span><span class="identifier-syntax">an</span><span class="plain-syntax">, </span><span class="reserved-syntax">action_name</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">x_ended</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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@ -459,10 +718,9 @@ end, but it's syntactically valid.)
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<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">abbreviable</span><span class="plain-syntax"> = </span><a href="4-ann.html#SP8" class="function-link"><span class="function-syntax">ActionNameNames::abbreviable</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><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">XW</span><span class="plain-syntax"> = </span><a href="4-ann.html#SP5" class="function-link"><span class="function-syntax">ActionNameNames::tensed</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">an</span><span class="plain-syntax">, </span><span class="identifier-syntax">tense</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</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="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">in_clause</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">word_position</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</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="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">w_m</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">), </span><span class="identifier-syntax">x_m</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">XW</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">w_m</span><span class="plain-syntax"> <= </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) && (</span><span class="identifier-syntax">x_m</span><span class="plain-syntax"> <= </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">XW</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">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">x_m</span><span class="plain-syntax">++) != </span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">w_m</span><span class="plain-syntax">++)) {</span>
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@ -476,11 +734,11 @@ end, but it's syntactically valid.)
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">k</span><span class="plain-syntax">) == </span><span class="identifier-syntax">Lexer::word</span><span class="plain-syntax">(</span><span class="identifier-syntax">x_m</span><span class="plain-syntax">+1)) { </span><span class="identifier-syntax">j</span><span class="plain-syntax"> = </span><span class="identifier-syntax">k</span><span class="plain-syntax">; </span><span class="reserved-syntax">break</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">j</span><span class="plain-syntax"><0) { </span><span class="identifier-syntax">fc</span><span class="plain-syntax">=2; </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">DontInclude</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">j</span><span class="plain-syntax">-1 >= </span><span class="identifier-syntax">w_m</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="identifier-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</span><span class="plain-syntax">] = </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">w_m</span><span class="plain-syntax">, </span><span class="identifier-syntax">j</span><span class="plain-syntax">-1);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="identifier-syntax">parc</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</span><span class="plain-syntax">] = </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">w_m</span><span class="plain-syntax">, </span><span class="identifier-syntax">j</span><span class="plain-syntax">-1);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="identifier-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="identifier-syntax">parc</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parameter</span><span class="plain-syntax">[</span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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">new_anl</span><span class="plain-syntax">-></span><span class="reserved-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">parc</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="identifier-syntax">w_m</span><span class="plain-syntax"> = </span><span class="identifier-syntax">j</span><span class="plain-syntax">; </span><span class="identifier-syntax">x_m</span><span class="plain-syntax">++;</span>
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<span class="plain-syntax"> }</span>
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@ -491,12 +749,12 @@ end, but it's syntactically valid.)
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">abbreviable</span><span class="plain-syntax">) </span><span class="identifier-syntax">x_ended</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">else</span><span class="plain-syntax"> { </span><span class="identifier-syntax">fc</span><span class="plain-syntax">=3; </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">DontInclude</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">x_m</span><span class="plain-syntax"> <= </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">XW</span><span class="plain-syntax">)) </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">abbreviation_level</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">XW</span><span class="plain-syntax">)-</span><span class="identifier-syntax">x_m</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">x_m</span><span class="plain-syntax"> <= </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">XW</span><span class="plain-syntax">)) </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">abbreviation_level</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">XW</span><span class="plain-syntax">)-</span><span class="identifier-syntax">x_m</span><span class="plain-syntax">+1;</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">inc</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">w_m</span><span class="plain-syntax"> > </span><span class="identifier-syntax">Wordings::last_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) </span><span class="identifier-syntax">inc</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">else</span><span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><anl-in-tail></span><span class="plain-syntax">(</span><span class="identifier-syntax">Wordings::from</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">w_m</span><span class="plain-syntax">))) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">in_clause</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-in-tail></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="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">in_clause</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><anl-in-tail></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="identifier-syntax">inc</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">else</span><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><span class="identifier-syntax">anl_being_parsed</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">;</span>
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@ -505,139 +763,23 @@ end, but it's syntactically valid.)
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl_being_parsed</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="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next</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">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</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="identifier-syntax">inc</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">anl_list</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">anl_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pos</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl_list</span><span class="plain-syntax">, *</span><span class="identifier-syntax">prev</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">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">pos</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">pos</span><span class="plain-syntax">-></span><span class="element-syntax">abbreviation_level</span><span class="plain-syntax"> < </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">abbreviation_level</span><span class="plain-syntax">))</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">prev</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">pos</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pos</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">prev</span><span class="plain-syntax">) </span><span class="identifier-syntax">prev</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">; </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">anl_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pos</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">anl_entry</span><span class="plain-syntax"> *</span><span class="identifier-syntax">pos</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl_list</span><span class="plain-syntax">, *</span><span class="identifier-syntax">prev</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">while</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">pos</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">pos</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">abbreviation_level</span><span class="plain-syntax"> < </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">parsing_data</span><span class="plain-syntax">.</span><span class="element-syntax">abbreviation_level</span><span class="plain-syntax">))</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">prev</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">pos</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pos</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</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">prev</span><span class="plain-syntax">) </span><span class="identifier-syntax">prev</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">; </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">anl_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax">-></span><span class="element-syntax">next_link</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pos</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP2" class="function-link"><span class="function-syntax">ActionNameLists::new_link</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">new_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP3" class="function-link"><span class="function-syntax">ActionNameLists::new_entry_at</span></a><span class="plain-syntax">(-1);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">DontInclude:</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="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">"Parsing ANL from %W resulted in:\n$8\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">anl_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">anl_list</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="identifier-syntax">scanning_anl_only_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="function-syntax">ActionNameLists::extract_actions_only</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="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</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">s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">scanning_anl_only_mode</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">scanning_anl_only_mode</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">s2</span><span class="plain-syntax"> = </span><span class="identifier-syntax">permit_trying_omission</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">permit_trying_omission</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="function-syntax"><action-pattern></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">anl</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP4" class="function-link"><span class="function-syntax">ActionPatterns::list</span></a><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">anl</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">anyone_specified</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"><<r>></span><span class="plain-syntax"> == </span><span class="constant-syntax">ACTOR_EXPLICITLY_UNIVERSAL</span><span class="plain-syntax">) </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">anyone_specified</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>
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<span class="plain-syntax"> </span><span class="identifier-syntax">scanning_anl_only_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">permit_trying_omission</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s2</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">anl</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">ActionNameLists::get_single_action</span><button class="popup" onclick="togglePopup('usagePopup12')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup12">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::get_single_action</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP25_3">§25.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</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">posn</span><span class="plain-syntax"> = -1, </span><span class="identifier-syntax">matchl</span><span class="plain-syntax"> = -1;</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">anf</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">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">RULE_ATTACHMENTS</span><span class="plain-syntax">, </span><span class="string-syntax">"Getting single action from:\n$L\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">head</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-anl.html#SP9" class="function-link"><span class="function-syntax">ActionNameLists::negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">head</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">head</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</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">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">anl</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</span><span class="plain-syntax"> == -1) </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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">negate_pattern</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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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">k</span><span class="plain-syntax"> = </span><a href="4-ann.html#SP7" class="function-link"><span class="function-syntax">ActionNameNames::non_it_length</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">) - </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">abbreviation_level</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax"> != </span><span class="identifier-syntax">posn</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">posn</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">NULL</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">posn</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">word_position</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anf</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">matchl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">k</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">k</span><span class="plain-syntax"> > </span><span class="identifier-syntax">matchl</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">matchl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">k</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anf</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</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="plain-syntax"> }</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</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>
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<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">RULE_ATTACHMENTS</span><span class="plain-syntax">, </span><span class="string-syntax">"Posn %d AN $l\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">posn</span><span class="plain-syntax">, </span><span class="identifier-syntax">anf</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">anf</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">ActionNameLists::get_explicit_anyone_flag</span><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</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">anl</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) || (</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">body</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">anyone_specified</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">ActionNameLists::negated</span><button class="popup" onclick="togglePopup('usagePopup13')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup13">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::negated</span></span>:<br/><a href="4-anl.html#SP11">§11</a><br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a>, <a href="4-ap2.html#SP33_1">§33.1</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</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">head</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">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</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">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax">-></span><span class="element-syntax">negate_pattern</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">ActionNameLists::nonempty</span><button class="popup" onclick="togglePopup('usagePopup14')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup14">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::nonempty</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</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">head</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</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">ActionNameLists::within_action_context</span><button class="popup" onclick="togglePopup('usagePopup15')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup15">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::within_action_context</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</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">head</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">anl_item</span><span class="plain-syntax"> *</span><span class="identifier-syntax">item</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP1" class="function-link"><span class="function-syntax">ActionNameLists::first_item</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">head</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">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">item</span><span class="plain-syntax">-></span><span class="element-syntax">nap_listed</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-nap.html#SP3" class="function-link"><span class="function-syntax">NamedActionPatterns::within_action_context</span></a><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="identifier-syntax">an</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</span><span class="plain-syntax">; </span><span class="identifier-syntax">anl</span><span class="plain-syntax">; </span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</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">anl_item</span><span class="plain-syntax"> *</span><span class="identifier-syntax">item</span><span class="plain-syntax"> = &(</span><span class="identifier-syntax">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</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="element-syntax">action_listed</span><span class="plain-syntax"> == </span><span class="identifier-syntax">an</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">item</span><span class="plain-syntax">-></span><span class="element-syntax">parity</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="identifier-syntax">item</span><span class="plain-syntax">-></span><span class="element-syntax">action_listed</span><span class="plain-syntax"> != </span><span class="identifier-syntax">an</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">item</span><span class="plain-syntax">-></span><span class="element-syntax">parity</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="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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</pre>
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<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. Specificity of ANLs. </b>The following is one of Inform's standardised comparison routines, which
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takes a pair of objects A, B and returns 1 if A makes a more specific
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description than B, 0 if they seem equally specific, or \(-1\) if B makes a
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more specific description than A. This is transitive, and intended to be
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used in sorting algorithms.
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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">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::compare_specificity</span><button class="popup" onclick="togglePopup('usagePopup16')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup16">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::compare_specificity</span></span>:<br/>Action Patterns - <a href="4-ap2.html#SP26">§26</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl1</span><span class="plain-syntax">, </span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl2</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">count1</span><span class="plain-syntax">, </span><span class="identifier-syntax">count2</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">count1</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::count_actions_covered</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl1</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">count2</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::count_actions_covered</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">anl2</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">count1</span><span class="plain-syntax"> < </span><span class="identifier-syntax">count2</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">count1</span><span class="plain-syntax"> > </span><span class="identifier-syntax">count2</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">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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<p class="commentary firstcommentary"><a id="SP11" class="paragraph-anchor"></a><b>§11. </b>Where:
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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">int</span><span class="plain-syntax"> </span><span class="function-syntax">ActionNameLists::count_actions_covered</span><button class="popup" onclick="togglePopup('usagePopup17')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup17">Usage of <span class="code-font"><span class="function-syntax">ActionNameLists::count_actions_covered</span></span>:<br/><a href="4-anl.html#SP10">§10</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">anl_head</span><span class="plain-syntax"> *</span><span class="identifier-syntax">head</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">k</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">parity</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">, </span><span class="identifier-syntax">infinity</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NUMBER_CREATED</span><span class="plain-syntax">(</span><span class="reserved-syntax">action_name</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">head</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">infinity</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">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</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">infinity</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-anl.html#SP9" class="function-link"><span class="function-syntax">ActionNameLists::negated</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">head</span><span class="plain-syntax">)) </span><span class="identifier-syntax">parity</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">anl_link</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">head</span><span class="plain-syntax">-></span><span class="element-syntax">body</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="identifier-syntax">anl</span><span class="plain-syntax">; </span><span class="identifier-syntax">anl</span><span class="plain-syntax"> = </span><span class="identifier-syntax">anl</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">nap_listed</span><span class="plain-syntax">) </span><span class="reserved-syntax">continue</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">parity</span><span class="plain-syntax"> == -1) </span><span class="identifier-syntax">parity</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">anl</span><span class="plain-syntax">-></span><span class="element-syntax">item</span><span class="plain-syntax">.</span><span class="element-syntax">action_listed</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">k</span><span class="plain-syntax"> < </span><span class="identifier-syntax">infinity</span><span class="plain-syntax">)) </span><span class="identifier-syntax">k</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">k</span><span class="plain-syntax"> = </span><span class="identifier-syntax">infinity</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">parity</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">k</span><span class="plain-syntax"> = </span><span class="identifier-syntax">infinity</span><span class="plain-syntax"> - </span><span class="identifier-syntax">k</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">k</span><span class="plain-syntax">;</span>
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<span class="plain-syntax">}</span>
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</pre>
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Graham Nelson