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<!--Weave of 'Parse Action Patterns' generated by Inweb-->
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<div class="breadcrumbs">
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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inform7</a></li><li><a href="index.html">if</a></li><li><a href="index.html#4">Chapter 4: Actions</a></li><li><b>Parse Action Patterns</b></li></ul></div>
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<p class="purpose">Turning text into APs.</p>
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<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>First a much easier, parametric form of parsing, used for the APs which
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form the usage conditions for rules in object-based rulebooks.
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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_pattern</span><span class="plain-syntax"> </span><span class="function-syntax">ParseActionPatterns::parametric</span><span class="plain-syntax">(</span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">kind</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">action_pattern</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP6" class="function-link"><span class="function-syntax">ActionPatterns::new</span></a><span class="plain-syntax">();</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">parameter_spec</span><span class="plain-syntax"> = </span><a href="4-pap.html#SP2" class="function-link"><span class="function-syntax">ParseActionPatterns::parameter</span></a><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">ap</span><span class="plain-syntax">.</span><span class="element-syntax">parameter_kind</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">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dash::validate_parameter</span><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">parameter_spec</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">ap</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="SP2" class="paragraph-anchor"></a><b>§2. </b>A useful utility: parsing a parameter in an action pattern.
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</p>
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<pre class="displayed-code all-displayed-code code-font">
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<span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="function-syntax">ParseActionPatterns::parameter</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">ParseActionPatterns::parameter</span></span>:<br/><a href="4-pap.html#SP1">§1</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="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><action-parameter></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="function-syntax"><<rp>></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">Specifications::new_UNKNOWN</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
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<span class="plain-syntax">}</span>
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<span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="function-syntax">ParseActionPatterns::verified_action_parameter</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">ParseActionPatterns::verified_action_parameter</span></span>:<br/>Action Patterns - <a href="4-ap2.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="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">spec</span><span class="plain-syntax"> = </span><a href="4-pap.html#SP2" class="function-link"><span class="function-syntax">ParseActionPatterns::parameter</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Node::is</span><span class="plain-syntax">(</span><span class="identifier-syntax">spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">UNKNOWN_NT</span><span class="plain-syntax">)) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_wording</span><span class="plain-syntax">(2, </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">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_BadOptionalAPClause</span><span class="plain-syntax">));</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"In %1, I tried to read a description of an action - a complicated "</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"one involving optional clauses; but '%2' wasn't something I "</span>
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<span class="plain-syntax"> </span><span class="string-syntax">"recognised."</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</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">spec</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></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">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">action_name_list</span><span class="plain-syntax"> *</span><span class="function-syntax">ParseActionPatterns::list_of_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><span class="reserved-syntax">int</span><span class="plain-syntax"> *</span><span class="identifier-syntax">anyone</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> *</span><span class="identifier-syntax">anyone</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">action_name_list</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#SP6" 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">entries</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>
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<span class="plain-syntax"> *</span><span class="identifier-syntax">anyone</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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</pre>
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<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>The main action pattern parser is called only by the following shell
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routine, which exists in order to change some parsing rules.
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</p>
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<p class="commentary">Match "doing it" as a repetition of the previous successfully
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matched action pattern.
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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="identifier-syntax">suppress_ap_parsing</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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<span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">last_successful_wording</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING_INIT</span><span class="plain-syntax">;</span>
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<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">prevailing_ap_tense</span><span class="plain-syntax"> = </span><span class="identifier-syntax">IS_TENSE</span><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>In fact these codes aren't used any more:
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</p>
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<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">ACTOR_REQUESTED</span><span class="plain-syntax"> </span><span class="constant-syntax">0</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">ACTOR_NAMED</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">ACTOR_EXPLICITLY_UNIVERSAL</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">ACTOR_EXPLICITLY_PLAYER</span><span class="plain-syntax"> </span><span class="constant-syntax">3</span>
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<span class="definition-keyword">define</span> <span class="constant-syntax">ACTOR_IMPLICITLY_PLAYER</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span>
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</pre>
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<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. </b>Action patterns are textual descriptions which act as predicates on actions,
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that is, they are descriptions which are true of some actions and false of
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others. For example,
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</p>
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<blockquote>
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<p>taking something in a dark room</p>
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</blockquote>
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<p class="commentary">won't be true of taking the ball in the Beach, or of dropping the torch in the
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Cellars. Although precisely described actions are valid as APs:
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</p>
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<blockquote>
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<p>taking the beach ball</p>
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</blockquote>
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<p class="commentary">(which is true for this one action and false for all others), APs can be both
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more general — as above — and even more specific:
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</p>
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<blockquote>
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<p>taking the beach ball in the presence of a lifeguard</p>
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</blockquote>
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<p class="commentary">...which might not be true even if the current action is "taking the beach
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ball".
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</p>
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<p class="commentary">APs can be very flexible and have the most complicated syntax in Inform. It's
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not practical to make the Preform grammar as explicit as one might like, but
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we'll do our best. The top level establishes who the actor will be, and whether
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it is an actual action or merely a request to perform the action. There are
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two versions of this: the first is for contexts where the AP might occur as
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a noun (e.g., in a sentence like "Taking a jewel is felonious behaviour.").
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These are always present tense, and can't be negated.
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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"><action-pattern></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">asking</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">try</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_REQUESTED, RP[2] }; action_pattern *ap = *XP; ap->request = TRUE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_NAMED, RP[2] }; ap = *XP; ap->request = FALSE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
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|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core-actor></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { ACTOR_IMPLICITLY_PLAYER, RP[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="SP7" class="paragraph-anchor"></a><b>§7. </b>The second version is for contexts where the AP occurs as a condition: e.g.,
|
|
in a sentence like "if we have taken a jewel". Since these can occur in
|
|
both tenses and can be negated ("if we are not taking a jewel"), there are
|
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four combinations:
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</p>
|
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|
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<pre class="Preform-displayed-code all-displayed-code code-font">
|
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<span class="Preform-function-syntax"><we-are-action-pattern></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">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">are</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">asking</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">try</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_REQUESTED, RP[2] }; action_pattern *ap = *XP; ap->request = TRUE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">asking</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">try</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_REQUESTED, RP[2] }; ap = *XP; ap->request = TRUE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_NAMED, RP[2] }; ap = *XP; ap->request = FALSE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">are</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">are</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core-actor></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { ACTOR_IMPLICITLY_PLAYER, RP[1] };</span>
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<span class="Preform-function-syntax"><action-pattern-negated></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">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">are</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">asking</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">try</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_REQUESTED, RP[2] }; action_pattern *ap = *XP; ap->request = TRUE; ap->actor_spec = RP[1];</span>
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|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">asking</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">try</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_REQUESTED, RP[2] }; ap = *XP; ap->request = TRUE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_NAMED, RP[2] }; ap = *XP; ap->request = FALSE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
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|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">are</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
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|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">trying</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
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|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">are</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core-actor></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { ACTOR_IMPLICITLY_PLAYER, RP[1] };</span>
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<span class="Preform-function-syntax"><action-pattern-past></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">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">have</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">asked</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">try</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_REQUESTED, RP[2] }; action_pattern *ap = *XP; ap->request = TRUE; ap->actor_spec = RP[1];</span>
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<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">has</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">tried</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_NAMED, RP[2] }; ap = *XP; ap->request = FALSE; ap->actor_spec = RP[1];</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">has</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">tried</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">has</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-past-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">have</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">tried</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">have</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-past-core></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
|
|
|
|
<span class="Preform-function-syntax"><action-pattern-past-negated></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">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">have</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">asked</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">try</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_REQUESTED, RP[2] }; action_pattern *ap = *XP; ap->request = TRUE; ap->actor_spec = RP[1];</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">has</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">tried</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_NAMED, RP[2] }; ap = *XP; ap->request = FALSE; ap->actor_spec = RP[1];</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">has</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">tried</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">an</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">actor</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">has</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-past-core></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"> { ACTOR_EXPLICITLY_UNIVERSAL, RP[1] }; ap = *XP; ap->applies_to_any_actor = TRUE;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">have</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">tried</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">we</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">have</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">not</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-past-core></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { ACTOR_EXPLICITLY_PLAYER, RP[1] };</span>
|
|
</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="SP8" class="paragraph-anchor"></a><b>§8. </b>There is one more tweak at this top level. Inform allows an ambiguous but
|
|
shorter and more natural syntax in which the actor's name simply appears at
|
|
the front of the AP:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>Raffles taking a jewel</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">Here there are no textual markers like "trying" to separate the actor's
|
|
name ("Raffles") from the action itself ("taking a jewel"), and all
|
|
we can do is search out possibilities. If it's possible to match the action
|
|
without an initial actor name, that takes priority, to ensure that this
|
|
actorless possibility can always be written.
|
|
</p>
|
|
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<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><action-pattern-core-actor></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></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"> { ACTOR_IMPLICITLY_PLAYER, RP[1] };</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><actor-description></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-pattern-core></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { ACTOR_NAMED, RP[2] }; action_pattern *ap = *XP; ap->request = FALSE; ap->actor_spec = RP[1];</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b>And this voracious token matches the actor's name as an initial excerpt,
|
|
which is much faster than exhaustive searching. It tries to break just before
|
|
any "-ing" word (i.e., participle) which is not inside parentheses; but only
|
|
if the resulting name matches <action-parameter> as a constant,
|
|
variable, or description; and there is no match if the text is the name of an
|
|
instance but the "-ing" word could also be read as part of that same name.
|
|
For example, if we read the text
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>angry waiting man taking the fish</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">where "angry waiting man" is the name of an individual person, then we don't
|
|
break this after "angry" (with the action "waiting") even though "angry"
|
|
would match as an abbreviated form of the name of "angry waiting man".
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><actor-description></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><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">permit_trying_omission</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">bl</span><span class="Preform-plain-syntax"> = </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOOP_THROUGH_WORDING</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax"> > </span><span class="Preform-identifier-syntax">Wordings::first_wn</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Lexer::word</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">) == </span><span class="Preform-identifier-syntax">OPENBRACKET_V</span><span class="Preform-plain-syntax">) </span><span class="Preform-identifier-syntax">bl</span><span class="Preform-plain-syntax">++;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Lexer::word</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">) == </span><span class="Preform-identifier-syntax">CLOSEBRACKET_V</span><span class="Preform-plain-syntax">) </span><span class="Preform-identifier-syntax">bl</span><span class="Preform-plain-syntax">--;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> ((</span><span class="Preform-identifier-syntax">bl</span><span class="Preform-plain-syntax"> == </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">) && (</span><span class="Preform-function-syntax"><probable-participle></span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::one_word</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">)))) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-function-syntax"><k-kind></span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::up_to</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">-1))) </span><span class="Preform-reserved-syntax">continue</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">parse_node</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">instance</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">I</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">old_state</span><span class="Preform-plain-syntax"> = </span><a href="4-pap.html#SP10" class="function-link"><span class="Preform-function-syntax">ParseActionPatterns::suppress</span></a><span class="Preform-plain-syntax">();</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">Wordings::up_to</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">-1))) </span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax"> = </span><span class="Preform-function-syntax"><<rp>></span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><a href="4-pap.html#SP10" class="function-link"><span class="Preform-function-syntax">ParseActionPatterns::resume</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">old_state</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax"> = </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOOP_THROUGH_WORDING</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">j</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">Wordings::up_to</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">-1))</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Vocabulary::test_flags</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">j</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">ACTION_PARTICIPLE_MC</span><span class="Preform-plain-syntax">)) </span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">++;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">k</span><span class="Preform-plain-syntax">>0) </span><span class="Preform-reserved-syntax">continue</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">I</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Rvalues::to_object_instance</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">I</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">noun</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">N</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Instances::get_noun</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">I</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Nouns::nominative_singular_includes</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">N</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">Lexer::word</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">i</span><span class="Preform-plain-syntax">))) </span><span class="Preform-reserved-syntax">continue</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> ((</span><span class="Preform-identifier-syntax">Lvalues::get_storage_form</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax">) == </span><span class="Preform-identifier-syntax">LOCAL_VARIABLE_NT</span><span class="Preform-plain-syntax">) ||</span>
|
|
<span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Lvalues::get_storage_form</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax">) == </span><span class="Preform-identifier-syntax">NONLOCAL_VARIABLE_NT</span><span class="Preform-plain-syntax">) ||</span>
|
|
<span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Node::is</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">CONSTANT_NT</span><span class="Preform-plain-syntax">)) ||</span>
|
|
<span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Specifications::is_description</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax">))) {</span>
|
|
<span class="Preform-plain-syntax"> ==> { -, </span><span class="Preform-identifier-syntax">try_stem</span><span class="Preform-plain-syntax"> };</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">i</span><span class="Preform-plain-syntax">-1;</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">return</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">0</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP10" class="paragraph-anchor"></a><b>§10. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">ParseActionPatterns::suppress</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">ParseActionPatterns::suppress</span></span>:<br/><a href="4-pap.html#SP9">§9</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">void</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">old_state</span><span class="plain-syntax"> = </span><span class="identifier-syntax">suppress_ap_parsing</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">suppress_ap_parsing</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">old_state</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">ParseActionPatterns::resume</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">ParseActionPatterns::resume</span></span>:<br/><a href="4-pap.html#SP9">§9</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">old_state</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">suppress_ap_parsing</span><span class="plain-syntax"> = </span><span class="identifier-syntax">old_state</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP11" class="paragraph-anchor"></a><b>§11. </b>That completes the top level, and we can forget about actors. All of those
|
|
productions come down now to just two nonterminals, one for the present tense,
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>taking or dropping a container</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">and one for the past,
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>taken or dropped a container</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">These are written as internals so that they can set a flag to change the
|
|
current tense as appropriate, but they don't otherwise do much:
|
|
</p>
|
|
|
|
<ul class="items"><li>(a) They trim away an indication of duration using <historical-reference>, so
|
|
that, e.g., "taking the box for the third time" has "for the third time"
|
|
trimmed away;
|
|
</li><li>(b) They match <action-pronominal> as the most recently parsed action pattern;
|
|
</li><li>(c) But otherwise they hand over to <ap-common-core> to do the work.
|
|
</li></ul>
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><action-pattern-core></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>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">suppress_ap_parsing</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">FALSE</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">action_pattern</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax"> = </span><a href="4-pap.html#SP13" class="function-link"><span class="Preform-function-syntax">ParseActionPatterns::inner</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">IS_TENSE</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">) { ==> { -, </span><span class="Preform-identifier-syntax">ap</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>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</span>
|
|
|
|
<span class="Preform-function-syntax"><action-pattern-past-core></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>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">action_pattern</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax"> = </span><a href="4-pap.html#SP13" class="function-link"><span class="Preform-function-syntax">ParseActionPatterns::inner</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">HASBEEN_TENSE</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">) { ==> { -, </span><span class="Preform-identifier-syntax">ap</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>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP12" class="paragraph-anchor"></a><b>§12. </b>"Doing it" is not the happiest of syntaxes. The idea is for this to be
|
|
a sort of pronoun for actions, allowing for anaphora, but to parse such things
|
|
naturally in all cases is wishful thinking. It enables us to write, e.g.:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>Instead of Peter taking the box for the second time, try Jane doing it.</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">where "doing it" will refer to "taking the box". But I wonder if the
|
|
possibility for confusion is too great; perhaps we should just cut this idea.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><action-pronominal></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">doing</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">it</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP13" class="paragraph-anchor"></a><b>§13. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="function-syntax">ParseActionPatterns::inner</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">ParseActionPatterns::inner</span></span>:<br/><a href="4-pap.html#SP11">§11</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>
|
|
<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">Wordings::first_wn</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) == </span><span class="identifier-syntax">OPENBRACE_V</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::empty</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) </span><span class="identifier-syntax">internal_error</span><span class="plain-syntax">(</span><span class="string-syntax">"PAP on illegal word range"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">unsigned</span><span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">d</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Vocabulary::disjunction_of_flags</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (((</span><span class="identifier-syntax">tense</span><span class="plain-syntax"> == </span><span class="identifier-syntax">IS_TENSE</span><span class="plain-syntax">) && ((</span><span class="identifier-syntax">d</span><span class="plain-syntax"> & (</span><span class="identifier-syntax">ACTION_PARTICIPLE_MC</span><span class="plain-syntax">+</span><span class="identifier-syntax">NAMED_AP_MC</span><span class="plain-syntax">)) == </span><span class="constant-syntax">0</span><span class="plain-syntax">))) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pap_failure_reason</span><span class="plain-syntax"> = </span><span class="constant-syntax">NOPARTICIPLE_PAPF</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Parse action pattern (tense %d): %W\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">tense</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">duration_set</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">time_period</span><span class="plain-syntax"> *</span><span class="identifier-syntax">duration</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Occurrence::parse</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">duration</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Occurrence::unused_wording</span><span class="plain-syntax">(</span><span class="identifier-syntax">duration</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">duration_set</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<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">prevailing_ap_tense</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">prevailing_ap_tense</span><span class="plain-syntax"> = </span><span class="identifier-syntax">tense</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">ap</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pap_failure_reason</span><span class="plain-syntax"> = </span><span class="constant-syntax">MISC_PAPF</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><action-pronominal></span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::nonempty</span><span class="plain-syntax">(</span><span class="identifier-syntax">last_successful_wording</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Doing it refers to %W\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><ap-common-core></span><span class="plain-syntax">(</span><span class="identifier-syntax">last_successful_wording</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><ap-common-core></span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">last_successful_wording</span><span class="plain-syntax"> = </span><span class="identifier-syntax">W</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Last successful W set to: %W\n"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">last_successful_wording</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">prevailing_ap_tense</span><span class="plain-syntax"> = </span><span class="identifier-syntax">s</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) </span><span class="identifier-syntax">ap</span><span class="plain-syntax">-></span><span class="element-syntax">duration</span><span class="plain-syntax"> = </span><span class="identifier-syntax">duration</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"PAP result (pfr %d): $A\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">pap_failure_reason</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP14" class="paragraph-anchor"></a><b>§14. </b>Anyway, we are now down to level 3: all action patterns have been whittled
|
|
down to a single use of <ap-common-core>. Our next step is to recognise
|
|
a condition attached with "when":
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><ap-common-core></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><ap-common-core-inner></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">when/while</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><condition-in-ap></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"> { 0, RP[1] }; action_pattern *ap = *XP; ap->when = RP[2]; if (pap_failure_reason == MISC_PAPF) pap_failure_reason = WHENOKAY_PAPF;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><ap-common-core-inner></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"> { 0, RP[1] };</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">when/while</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><condition-in-ap></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"> { 0, NULL }; pap_failure_reason = WHENOKAY_PAPF; return FALSE; </span><span class="Preform-comment-syntax"> used only to diagnose problems</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">when/while</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"> { 0, NULL }; if (pap_failure_reason != WHENOKAY_PAPF) pap_failure_reason = WHEN_PAPF; return FALSE; </span><span class="Preform-comment-syntax"> used only to diagnose problems</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP15" class="paragraph-anchor"></a><b>§15. </b><condition-in-ap> is really just <spec-condition> in disguise — i.e.,
|
|
it matches a standard Inform condition — but it's implemented as an internal
|
|
to enable Inform to set up a stack frame if there isn't one already, and so on.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><condition-in-ap></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>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">ph_stack_frame</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">phsf</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Frames::current_stack_frame</span><span class="Preform-plain-syntax">() == </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">) </span><span class="Preform-identifier-syntax">phsf</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">Frames::new_nonphrasal</span><span class="Preform-plain-syntax">();</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">StackedVariables::append_owner_list</span><span class="Preform-plain-syntax">(</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">Frames::get_stvol</span><span class="Preform-plain-syntax">(),</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">all_nonempty_stacked_action_vars</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOGIF</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">ACTION_PATTERN_PARSING</span><span class="Preform-plain-syntax">, </span><span class="Preform-string-syntax">"A when clause <%W> is suspected.\n"</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">parse_node</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">wts</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">s</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">pap_failure_reason</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">int</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">pto</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">permit_trying_omission</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">permit_trying_omission</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">FALSE</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-function-syntax"><s-condition></span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)) </span><span class="Preform-identifier-syntax">wts</span><span class="Preform-plain-syntax"> = </span><span class="Preform-function-syntax"><<rp>></span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">pap_failure_reason</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">s</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">permit_trying_omission</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">pto</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">phsf</span><span class="Preform-plain-syntax">) </span><span class="Preform-identifier-syntax">Frames::remove_nonphrase_stack_frame</span><span class="Preform-plain-syntax">();</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> ((</span><span class="Preform-identifier-syntax">wts</span><span class="Preform-plain-syntax">) && (</span><span class="Preform-identifier-syntax">Dash::validate_conditional_clause</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">wts</span><span class="Preform-plain-syntax">))) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOGIF</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">ACTION_PATTERN_PARSING</span><span class="Preform-plain-syntax">, </span><span class="Preform-string-syntax">"When clause validated: $P.\n"</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">wts</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> ==> { -, </span><span class="Preform-identifier-syntax">wts</span><span class="Preform-plain-syntax"> };</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>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP16" class="paragraph-anchor"></a><b>§16. </b>Level 4 now. The optional "in the presence of":
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><ap-common-core-inner></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><ap-common-core-inner-inner></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">the</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">presence</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">of</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></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"> { 0, RP[1] }; ActionPatterns::set_presence(RP[1], RP[2]);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><ap-common-core-inner-inner></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, RP[1] };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP17" class="paragraph-anchor"></a><b>§17. </b>Level 5 now. The initial "in" clause, e.g., "in the Pantry", requires
|
|
special handling to prevent it from clashing with other interpretations of
|
|
"in" elsewhere in the grammar. It's perhaps unexpected that "in the Pantry"
|
|
is valid as an AP, but this enables many natural-looking rules to be written
|
|
("Report rule in the Pantry: ...", say).
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><ap-common-core-inner-inner></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></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-pap.html#SP17_1" class="named-paragraph-link"><span class="named-paragraph">Make an actionless action pattern, specifying room only</span><span class="named-paragraph-number">17.1</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><ap-common-core-inner-inner-inner></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, RP[1] };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<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">Make an actionless action pattern, specifying room only</span><span class="named-paragraph-number">17.1</span></span><span class="Preform-comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Dash::validate_parameter</span><span class="plain-syntax">(</span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
|
|
<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><span class="comment-syntax"> the "room" isn't even an object</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP6" class="function-link"><span class="function-syntax">ActionPatterns::new</span></a><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">; </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">text_of_pattern</span><span class="plain-syntax"> = </span><span class="identifier-syntax">W</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><a href="4-ap2.html#SP6" class="function-link"><span class="function-syntax">ActionPatterns::ap_store</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">) };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP17">§17</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP18" class="paragraph-anchor"></a><b>§18. </b>And that's as far down as we go: to level 6. Most of the complexity is gone
|
|
now, but what's left can't very efficiently be written in Preform. Essentially
|
|
we apply <action-list> to the text and then parse the operands using
|
|
<action-operand>, though it's a bit more involved because we also recognise
|
|
optional suffixes special to individual actions, like the "from the cage" in
|
|
"exiting from the cage", and we fail the result if it produces
|
|
inconsistencies between alternative actions (e.g., "taking or waiting the
|
|
box" makes no sense since only one is transitive).
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><ap-common-core-inner-inner-inner></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>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">Wordings::mismatched_brackets</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">)) { ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> }; }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">scanning_anl_only_mode</span><span class="Preform-plain-syntax">) {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">action_name_list</span><span class="Preform-plain-syntax"> *</span><span class="Preform-identifier-syntax">list</span><span class="Preform-plain-syntax"> = </span><a href="4-anl.html#SP19" class="function-link"><span class="Preform-function-syntax">ActionNameLists::parse</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">prevailing_ap_tense</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><span class="Preform-identifier-syntax">list</span><span class="Preform-plain-syntax"> == </span><span class="Preform-identifier-syntax">NULL</span><span class="Preform-plain-syntax">) { ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> }; }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">action_pattern</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax"> = </span><a href="4-ap2.html#SP6" class="function-link"><span class="Preform-function-syntax">ActionPatterns::new</span></a><span class="Preform-plain-syntax">(); </span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">.</span><span class="Preform-element-syntax">valid</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">TRUE</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">.</span><span class="Preform-identifier-syntax">text_of_pattern</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">.</span><span class="Preform-identifier-syntax">action_list</span><span class="Preform-plain-syntax"> = </span><span class="Preform-identifier-syntax">list</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> ==> { -, </span><a href="4-ap2.html#SP6" class="function-link"><span class="Preform-function-syntax">ActionPatterns::ap_store</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">) };</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>
|
|
<span class="Preform-plain-syntax"> } </span><span class="Preform-reserved-syntax">else</span><span class="Preform-plain-syntax"> {</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOGIF</span><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">ACTION_PATTERN_PARSING</span><span class="Preform-plain-syntax">, </span><span class="Preform-string-syntax">"Parsing action pattern: %W\n"</span><span class="Preform-plain-syntax">, </span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOG_INDENT</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">action_pattern</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax"> = </span><a href="4-pap.html#SP21" class="function-link"><span class="Preform-function-syntax">ParseActionPatterns::dash</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">W</span><span class="Preform-plain-syntax">);</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">LOG_OUTDENT</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">if</span><span class="Preform-plain-syntax"> (</span><a href="4-ap2.html#SP6" class="function-link"><span class="Preform-function-syntax">ActionPatterns::is_valid</span></a><span class="Preform-plain-syntax">(&</span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">)) {</span>
|
|
<span class="Preform-plain-syntax"> ==> { -, </span><a href="4-ap2.html#SP6" class="function-link"><span class="Preform-function-syntax">ActionPatterns::ap_store</span></a><span class="Preform-plain-syntax">(</span><span class="Preform-identifier-syntax">ap</span><span class="Preform-plain-syntax">) };</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>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> }</span>
|
|
<span class="Preform-plain-syntax"> ==> { </span><span class="Preform-identifier-syntax">fail</span><span class="Preform-plain-syntax"> </span><span class="Preform-identifier-syntax">nonterminal</span><span class="Preform-plain-syntax"> };</span>
|
|
<span class="Preform-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP19" class="paragraph-anchor"></a><b>§19. </b>The "operands" of an action pattern are the nouns to which it applies: for
|
|
example, in "Kevin taking or dropping something", the operand is "something".
|
|
We treat words like "something" specially to avoid them being read as
|
|
"some thing" and thus forcing the kind of the operand to be "thing".
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><action-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</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"> { FALSE, - }</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">else</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, - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, RP[1] }</span>
|
|
|
|
<span class="Preform-function-syntax"><going-action-irregular-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">nowhere</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, - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">somewhere</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, - }</span>
|
|
|
|
<span class="Preform-function-syntax"><understanding-action-irregular-operand></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</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"> { TRUE, - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">it</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { FALSE, - }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP20" class="paragraph-anchor"></a><b>§20. </b>Finally, then, <action-parameter>. Almost anything syntactically matches
|
|
here — a constant, a description, a table entry, a variable, and so on.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><action-parameter></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">^<if-nonconstant-action-context></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-local-variable></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>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">^<if-nonconstant-action-context></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-global-variable></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>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-local-variable></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, RP[1] }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-global-variable></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, RP[1] }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-type-expression-or-value></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { TRUE, RP[1] }</span>
|
|
|
|
<span class="Preform-function-syntax"><if-nonconstant-action-context></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">0</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{</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">permit_nonconstant_action_parameters</span><span class="Preform-plain-syntax">;</span>
|
|
<span class="Preform-plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21" class="paragraph-anchor"></a><b>§21. </b>We can't put it off any longer. Here goes.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> </span><span class="function-syntax">ParseActionPatterns::dash</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">ParseActionPatterns::dash</span></span>:<br/><a href="4-pap.html#SP18">§18</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="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">failure_this_call</span><span class="plain-syntax"> = </span><span class="identifier-syntax">pap_failure_reason</span><span class="plain-syntax">;</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><span class="identifier-syntax">j</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="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">NULL</span><span class="plain-syntax">;</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><span class="identifier-syntax">prevailing_ap_tense</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP6" class="function-link"><span class="function-syntax">ActionPatterns::new</span></a><span class="plain-syntax">(); </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">text_of_pattern</span><span class="plain-syntax"> = </span><span class="identifier-syntax">W</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_3" class="named-paragraph-link"><span class="named-paragraph">PAR - (f) Parse Special Going Clauses</span><span class="named-paragraph-number">21.3</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_4" class="named-paragraph-link"><span class="named-paragraph">PAR - (i) Parse Initial Action Name List</span><span class="named-paragraph-number">21.4</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5" class="named-paragraph-link"><span class="named-paragraph">PAR - (j) Parse Parameters</span><span class="named-paragraph-number">21.5</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_6" class="named-paragraph-link"><span class="named-paragraph">PAR - (k) Verify Mixed Action</span><span class="named-paragraph-number">21.6</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_1" class="named-paragraph-link"><span class="named-paragraph">With one small proviso, a valid action pattern has been parsed</span><span class="named-paragraph-number">21.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Failed:</span><span class="plain-syntax"> ;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_2" class="named-paragraph-link"><span class="named-paragraph">No valid action pattern has been parsed</span><span class="named-paragraph-number">21.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP21_1" class="paragraph-anchor"></a><b>§21.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">With one small proviso, a valid action pattern has been parsed</span><span class="named-paragraph-number">21.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pap_failure_reason</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">text_of_pattern</span><span class="plain-syntax"> = </span><span class="identifier-syntax">W</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">action_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">list</span><span class="plain-syntax">;</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><a href="4-anl.html#SP10" class="function-link"><span class="function-syntax">ActionNameLists::first_item</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">action_list</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">item</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">item</span><span class="plain-syntax">-></span><span class="element-syntax">nap_listed</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</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">NULL</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="identifier-syntax">action_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">actor_spec</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP7" class="function-link"><span class="function-syntax">ActionPatterns::nullify_nonspecific_references</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">actor_spec</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">noun_spec</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP7" class="function-link"><span class="function-syntax">ActionPatterns::nullify_nonspecific_references</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">noun_spec</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP7" class="function-link"><span class="function-syntax">ActionPatterns::nullify_nonspecific_references</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_spec</span><span class="plain-syntax"> = </span><a href="4-ap2.html#SP7" class="function-link"><span class="function-syntax">ActionPatterns::nullify_nonspecific_references</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_spec</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">ch</span><span class="plain-syntax"> = </span><span class="identifier-syntax">PluginCalls::check_going</span><span class="plain-syntax">(</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">from_spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">to_spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">by_spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">through_spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">pushing_spec</span><span class="plain-syntax">);</span>
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|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ch</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="identifier-syntax">valid</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">Failed</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Matched action pattern: $A\n"</span><span class="plain-syntax">, &</span><span class="identifier-syntax">ap</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21">§21</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_2" class="paragraph-anchor"></a><b>§21.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">No valid action pattern has been parsed</span><span class="named-paragraph-number">21.2</span></span><span class="comment-syntax"> =</span>
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|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pap_failure_reason</span><span class="plain-syntax"> = </span><span class="identifier-syntax">failure_this_call</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">ap_clauses</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">from_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">to_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">by_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">through_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">pushing_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">nowhere_flag</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
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|
<span class="plain-syntax"> </span><span class="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">"Parse action failed: %W\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21">§21</a>.</li></ul>
|
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<p class="commentary firstcommentary"><a id="SP21_3" class="paragraph-anchor"></a><b>§21.3. </b>Special clauses are allowed after "going..."; trim them
|
|
away as they are recorded.
|
|
</p>
|
|
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|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">PAR - (f) Parse Special Going Clauses</span><span class="named-paragraph-number">21.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">preliminary_anl</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP19" class="function-link"><span class="function-syntax">ActionNameLists::parse</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">tense</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">chief_an</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP16" class="function-link"><span class="function-syntax">ActionNameLists::get_best_action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">preliminary_anl</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">chief_an</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">x</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">chief_an</span><span class="plain-syntax"> = </span><a href="4-ann.html#SP13" class="function-link"><span class="function-syntax">ActionNameNames::longest_nounless</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">tense</span><span class="plain-syntax">, &</span><span class="identifier-syntax">x</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">chief_an</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">stacked_variable</span><span class="plain-syntax"> *</span><span class="identifier-syntax">last_stv_specified</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</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="constant-syntax">1</span><span class="plain-syntax">; </span><span class="identifier-syntax">j</span><span class="plain-syntax"> = -1;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Trying special clauses at <%W>\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</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="plain-syntax"> </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</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="plain-syntax"> </span><span class="identifier-syntax">stacked_variable</span><span class="plain-syntax"> *</span><span class="identifier-syntax">stv</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Word::unexpectedly_upper_case</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">stv</span><span class="plain-syntax"> = </span><a href="4-av.html#SP5" class="function-link"><span class="function-syntax">ActionVariables::parse_match_clause</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">chief_an</span><span class="plain-syntax">, </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">i</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">stv</span><span class="plain-syntax"> != </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"Special clauses found on <%W>\n"</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">i</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">last_stv_specified</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="identifier-syntax">j</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">-1;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="4-ap2.html#SP6" class="function-link"><span class="function-syntax">ActionPatterns::ap_add_optional_clause</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">last_stv_specified</span><span class="plain-syntax">, </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">k</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">-1));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">k</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">last_stv_specified</span><span class="plain-syntax"> = </span><span class="identifier-syntax">stv</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">last_stv_specified</span><span class="plain-syntax"> != </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><a href="4-ap2.html#SP6" class="function-link"><span class="function-syntax">ActionPatterns::ap_add_optional_clause</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">ap</span><span class="plain-syntax">, </span><span class="identifier-syntax">last_stv_specified</span><span class="plain-syntax">, </span><span class="identifier-syntax">Wordings::new</span><span class="plain-syntax">(</span><span class="identifier-syntax">k</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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">j</span><span class="plain-syntax"> >= </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">W</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Wordings::up_to</span><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">j</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21">§21</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_4" class="paragraph-anchor"></a><b>§21.4. </b>Extract the information as to which actions are intended:
|
|
e.g., from "taking or dropping something", that it will be
|
|
taking or dropping.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">PAR - (i) Parse Initial Action Name List</span><span class="named-paragraph-number">21.4</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_name_list</span><span class="plain-syntax"> *</span><span class="identifier-syntax">try_list</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP19" class="function-link"><span class="function-syntax">ActionNameLists::parse</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">W</span><span class="plain-syntax">, </span><span class="identifier-syntax">tense</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">try_list</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">Failed</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">try_list</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"ANL from PAR(i):\n$L\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21">§21</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5" class="paragraph-anchor"></a><b>§21.5. </b>Now to fill in the gaps. At this point we have the action name
|
|
list as a linked list of all possible lexical matches, but want to
|
|
whittle it down to remove those which do not semantically make
|
|
sense. For instance, "taking inventory" has two possible lexical
|
|
matches: "taking inventory" with 0 parameters, or "taking" with
|
|
1 parameter "inventory", and we cannot judge without parsing
|
|
the expression "inventory". The list passes muster if at least
|
|
one match succeeds at the first word position represented in the
|
|
list, which is to say the last one lexically, since the list is
|
|
reverse-ordered. (This is so that "taking or dropping something"
|
|
requires only "dropping" to have its objects specified; "taking",
|
|
of course, does not.) We delete all entries in the list at this
|
|
crucial word position except for the one matched.
|
|
</p>
|
|
|
|
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">MAX_AP_POSITIONS</span><span class="plain-syntax"> </span><span class="constant-syntax">100</span>
|
|
<span class="definition-keyword">define</span> <span class="constant-syntax">UNTHINKABLE_POSITION</span><span class="plain-syntax"> -1</span>
|
|
</pre>
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">PAR - (j) Parse Parameters</span><span class="named-paragraph-number">21.5</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_positions</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">position_at</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_AP_POSITIONS</span><span class="plain-syntax">], </span><span class="identifier-syntax">position_min_parc</span><span class="plain-syntax">[</span><span class="constant-syntax">MAX_AP_POSITIONS</span><span class="plain-syntax">];</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_1" class="named-paragraph-link"><span class="named-paragraph">Find the positions of individual action names, and their minimum parameter counts</span><span class="named-paragraph-number">21.5.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_2" class="named-paragraph-link"><span class="named-paragraph">Report to the debugging log on the action decomposition</span><span class="named-paragraph-number">21.5.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_3" class="named-paragraph-link"><span class="named-paragraph">Find how many different positions have each possible minimum count</span><span class="named-paragraph-number">21.5.3</span></a></span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">first_position</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::first_position</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">one_was_valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">action_pattern</span><span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">;</span>
|
|
<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="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">"Entry (%d):\n$8\n"</span><span class="plain-syntax">, </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::parc</span></a><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="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_4" class="named-paragraph-link"><span class="named-paragraph">Fill out the noun, second, room and nowhere fields of the AP as if this action were right</span><span class="named-paragraph-number">21.5.4</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_5" class="named-paragraph-link"><span class="named-paragraph">Check the validity of this speculative AP</span><span class="named-paragraph-number">21.5.5</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">one_was_valid</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) && (</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::word_position</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">) == </span><span class="identifier-syntax">first_position</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">one_was_valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">noun_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">noun_spec</span><span class="plain-syntax">; </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_spec</span><span class="plain-syntax">; </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">nowhere_flag</span><span class="plain-syntax"> = </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">nowhere_flag</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><a href="4-anl.html#SP5" class="function-link"><span class="function-syntax">ActionNameLists::mark_for_deletion</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">one_was_valid</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">Failed</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_6" class="named-paragraph-link"><span class="named-paragraph">Adjudicate between topic and other actions</span><span class="named-paragraph-number">21.5.6</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"List before action winnowing:\n$L\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_7" class="named-paragraph-link"><span class="named-paragraph">Delete those action names which are to be deleted</span><span class="named-paragraph-number">21.5.7</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"List after action winnowing:\n$L\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21">§21</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_1" class="paragraph-anchor"></a><b>§21.5.1. </b>For example, "taking inventory or waiting" produces two positions, words
|
|
0 and 3, and minimum parameter count 0 in each case. ("Taking inventory"
|
|
can be read as "taking (inventory)", par-count 1, or "taking inventory",
|
|
par-count 0, so the minimum is 0.)
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Find the positions of individual action names, and their minimum parameter counts</span><span class="named-paragraph-number">21.5.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<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="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>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="4-pap.html#SP21_5_1_1" class="named-paragraph-link"><span class="named-paragraph">Find the position word of this particular action name</span><span class="named-paragraph-number">21.5.1.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">position_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">pos</span><span class="plain-syntax">] == </span><span class="constant-syntax">UNTHINKABLE_POSITION</span><span class="plain-syntax">) ||</span>
|
|
<span class="plain-syntax"> (</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::parc</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">) < </span><span class="identifier-syntax">position_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">pos</span><span class="plain-syntax">]))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">position_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">pos</span><span class="plain-syntax">] = </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::parc</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5">§21.5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_1_1" class="paragraph-anchor"></a><b>§21.5.1.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Find the position word of this particular action name</span><span class="named-paragraph-number">21.5.1.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<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>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</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="plain-syntax"><</span><span class="identifier-syntax">no_positions</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++)</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::word_position</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">) == </span><span class="identifier-syntax">position_at</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">])</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pos</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">pos</span><span class="plain-syntax"> == -1) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">no_positions</span><span class="plain-syntax"> == </span><span class="constant-syntax">MAX_AP_POSITIONS</span><span class="plain-syntax">) </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">Failed</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">position_at</span><span class="plain-syntax">[</span><span class="identifier-syntax">no_positions</span><span class="plain-syntax">] = </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::word_position</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">position_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">no_positions</span><span class="plain-syntax">] = </span><span class="constant-syntax">UNTHINKABLE_POSITION</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">pos</span><span class="plain-syntax"> = </span><span class="identifier-syntax">no_positions</span><span class="plain-syntax">++;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5_1">§21.5.1</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_2" class="paragraph-anchor"></a><b>§21.5.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Report to the debugging log on the action decomposition</span><span class="named-paragraph-number">21.5.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<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">"List after action decomposition:\n$L\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</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="plain-syntax"><</span><span class="identifier-syntax">no_positions</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">min</span><span class="plain-syntax"> = </span><span class="identifier-syntax">position_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">];</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"ANL position %d (word %d): min parc %d\n"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">, </span><span class="identifier-syntax">position_at</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">], </span><span class="identifier-syntax">min</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5">§21.5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_3" class="paragraph-anchor"></a><b>§21.5.3. </b>The following test is done to reject patterns like "taking ball or dropping
|
|
bat", which have a positive minimum parameter count in more than one position;
|
|
which means there couldn't be an action pattern which shared the same noun
|
|
description.
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Find how many different positions have each possible minimum count</span><span class="named-paragraph-number">21.5.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">positions_with_min_parc</span><span class="plain-syntax">[3];</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</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="plain-syntax"><3; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) </span><span class="identifier-syntax">positions_with_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">for</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="plain-syntax"><</span><span class="identifier-syntax">no_positions</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">min</span><span class="plain-syntax"> = </span><span class="identifier-syntax">position_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">];</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">min</span><span class="plain-syntax"> >= </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">min</span><span class="plain-syntax"> < </span><span class="constant-syntax">3</span><span class="plain-syntax">)) </span><span class="identifier-syntax">positions_with_min_parc</span><span class="plain-syntax">[</span><span class="identifier-syntax">min</span><span class="plain-syntax">]++;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">positions_with_min_parc</span><span class="plain-syntax">[1] > </span><span class="constant-syntax">1</span><span class="plain-syntax">) ||</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">positions_with_min_parc</span><span class="plain-syntax">[2] > </span><span class="constant-syntax">1</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">failure_this_call</span><span class="plain-syntax"> = </span><span class="constant-syntax">MIXEDNOUNS_PAPF</span><span class="plain-syntax">; </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">Failed</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5">§21.5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_4" class="paragraph-anchor"></a><b>§21.5.4. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Fill out the noun, second, room and nowhere fields of the AP as if this action were right</span><span class="named-paragraph-number">21.5.4</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">noun_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">nowhere_flag</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::nonempty</span><span class="plain-syntax">(</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::par</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">))) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">) == </span><span class="identifier-syntax">going_action</span><span class="plain-syntax">) && (</span><span class="function-syntax"><going-action-irregular-operand></span><span class="plain-syntax">(</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::par</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">)))) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><<r>></span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">nowhere_flag</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">nowhere_flag</span><span class="plain-syntax"> = </span><span class="constant-syntax">2</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><a href="4-ap2.html#SP9" class="function-link"><span class="function-syntax">ActionPatterns::put_action_object_into_ap</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">, </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::par</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">0</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::nonempty</span><span class="plain-syntax">(</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::par</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">))) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><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>
|
|
<span class="plain-syntax"> && (</span><span class="identifier-syntax">K_understanding</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> && (</span><span class="identifier-syntax">Kinds::eq</span><span class="plain-syntax">(</span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_second</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">)), </span><span class="identifier-syntax">K_understanding</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> && (</span><span class="function-syntax"><understanding-action-irregular-operand></span><span class="plain-syntax">(</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::par</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">)))) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Rvalues::from_grammar_verb</span><span class="plain-syntax">(</span><span class="identifier-syntax">NULL</span><span class="plain-syntax">); </span><span class="comment-syntax"> Why no GV here?</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Node::set_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax">, </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::par</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><a href="4-ap2.html#SP9" class="function-link"><span class="function-syntax">ActionPatterns::put_action_object_into_ap</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">, </span><span class="constant-syntax">2</span><span class="plain-syntax">, </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::par</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Wordings::nonempty</span><span class="plain-syntax">(</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::in_clause</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">)))</span>
|
|
<span class="plain-syntax"> </span><a href="4-ap2.html#SP9" class="function-link"><span class="function-syntax">ActionPatterns::put_action_object_into_ap</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">, </span><span class="constant-syntax">3</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::in_clause</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">));</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5">§21.5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_5" class="paragraph-anchor"></a><b>§21.5.5. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Check the validity of this speculative AP</span><span class="named-paragraph-number">21.5.5</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">check_n</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">check_s</span><span class="plain-syntax"> = </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><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>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">check_n</span><span class="plain-syntax"> = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_noun</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">check_s</span><span class="plain-syntax"> = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_second</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">noun_any</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) &&</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">Dash::validate_parameter</span><span class="plain-syntax">(</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">noun_spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">check_n</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_any</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) &&</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">Dash::validate_parameter</span><span class="plain-syntax">(</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">second_spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">check_s</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_any</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) &&</span>
|
|
<span class="plain-syntax"> (</span><span class="identifier-syntax">Dash::validate_parameter</span><span class="plain-syntax">(</span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">room_spec</span><span class="plain-syntax">, </span><span class="identifier-syntax">K_object</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">trial_ap</span><span class="plain-syntax">.</span><span class="element-syntax">valid</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5">§21.5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_6" class="paragraph-anchor"></a><b>§21.5.6. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Adjudicate between topic and other actions</span><span class="named-paragraph-number">21.5.6</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax">[2];</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">K</span><span class="plain-syntax">[0] = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="identifier-syntax">K</span><span class="plain-syntax">[1] = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_ANL_WITH_PREV</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">prev</span><span class="plain-syntax">, </span><span class="identifier-syntax">next</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="4-anl.html#SP5" class="function-link"><span class="function-syntax">ActionNameLists::marked_for_deletion</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) && (</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">))) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::same_word_position</span></a><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><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::same_word_position</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">next</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K</span><span class="plain-syntax">[0] == </span><span class="identifier-syntax">NULL</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><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">))))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">K</span><span class="plain-syntax">[0] = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_noun</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K</span><span class="plain-syntax">[1] == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) && (</span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::can_have_second</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">))))</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">K</span><span class="plain-syntax">[1] = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_second</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOGIF</span><span class="plain-syntax">(</span><span class="identifier-syntax">ACTION_PATTERN_PARSING</span><span class="plain-syntax">, </span><span class="string-syntax">"Necessary kinds: %u, %u\n"</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">[0], </span><span class="identifier-syntax">K</span><span class="plain-syntax">[1]);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">LOOP_THROUGH_ANL_WITH_PREV</span><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">prev</span><span class="plain-syntax">, </span><span class="identifier-syntax">next</span><span class="plain-syntax">, </span><span class="identifier-syntax">list</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><a href="4-anl.html#SP5" class="function-link"><span class="function-syntax">ActionNameLists::marked_for_deletion</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) && (</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">))) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">poor_choice</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K</span><span class="plain-syntax">[0]) && (</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><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">)))) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_noun</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::compatible</span><span class="plain-syntax">(</span><span class="identifier-syntax">L</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">[0]) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">poor_choice</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">K</span><span class="plain-syntax">[1]) && (</span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::can_have_second</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">)))) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">L</span><span class="plain-syntax"> = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_second</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Kinds::compatible</span><span class="plain-syntax">(</span><span class="identifier-syntax">L</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</span><span class="plain-syntax">[1]) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) </span><span class="identifier-syntax">poor_choice</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">poor_choice</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (((</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::same_word_position</span></a><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>
|
|
<span class="plain-syntax"> (</span><a href="4-anl.html#SP5" class="function-link"><span class="function-syntax">ActionNameLists::marked_for_deletion</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">prev</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">))</span>
|
|
<span class="plain-syntax"> ||</span>
|
|
<span class="plain-syntax"> ((</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::same_word_position</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">, </span><span class="identifier-syntax">next</span><span class="plain-syntax">)) &&</span>
|
|
<span class="plain-syntax"> (</span><a href="4-anl.html#SP5" class="function-link"><span class="function-syntax">ActionNameLists::marked_for_deletion</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">next</span><span class="plain-syntax">) == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)))</span>
|
|
<span class="plain-syntax"> </span><a href="4-anl.html#SP5" class="function-link"><span class="function-syntax">ActionNameLists::mark_for_deletion</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5">§21.5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_5_7" class="paragraph-anchor"></a><b>§21.5.7. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Delete those action names which are to be deleted</span><span class="named-paragraph-number">21.5.7</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><a href="4-anl.html#SP6" class="function-link"><span class="function-syntax">ActionNameLists::remove_entries_marked_for_deletion</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">list</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="4-pap.html#SP21_5">§21.5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP21_6" class="paragraph-anchor"></a><b>§21.6. </b>Not all actions can cohabit. We require that as far as the user has
|
|
specified the parameters, the actions in the list must all agree (i) to be
|
|
allowed to have such a parameter, and (ii) to be allowed to have a
|
|
parameter of the same type. Thus "waiting or taking something" fails
|
|
(waiting takes 0 parameters, but we specified one), and so would "painting
|
|
or taking something" if painting had to be followed by a colour, say. Note
|
|
that the "doing anything" action is always allowed a parameter (this is
|
|
the case when the first action name in the list is <span class="extract"><span class="extract-syntax">NULL</span></span>).
|
|
</p>
|
|
|
|
<p class="commentary"><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">PAR - (k) Verify Mixed Action</span><span class="named-paragraph-number">21.6</span></span><span class="comment-syntax"> =</span>
|
|
</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">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">immiscible</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">, </span><span class="identifier-syntax">no_oow</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">no_iw</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">, </span><span class="identifier-syntax">no_of_pars</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">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">kinds_observed_in_list</span><span class="plain-syntax">[2];</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kinds_observed_in_list</span><span class="plain-syntax">[0] = </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">kinds_observed_in_list</span><span class="plain-syntax">[1] = </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><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::nap</span></a><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="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::parc</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</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">no_of_pars</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) </span><span class="identifier-syntax">immiscible</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">no_of_pars</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::parc</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>
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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">this</span><span class="plain-syntax"> = </span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</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">this</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::is_out_of_world</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">this</span><span class="plain-syntax">)) </span><span class="identifier-syntax">no_oow</span><span class="plain-syntax">++; </span><span class="reserved-syntax">else</span><span class="plain-syntax"> </span><span class="identifier-syntax">no_iw</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#SP13" class="function-link"><span class="function-syntax">ActionNameLists::parc</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</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">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax"> = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_noun</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">this</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">A</span><span class="plain-syntax"> = </span><span class="identifier-syntax">kinds_observed_in_list</span><span class="plain-syntax">[0];</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="identifier-syntax">K</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Kinds::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">A</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</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">immiscible</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kinds_observed_in_list</span><span class="plain-syntax">[0] = </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="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><a href="4-anl.html#SP13" class="function-link"><span class="function-syntax">ActionNameLists::parc</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</span><span class="plain-syntax">) >= </span><span class="constant-syntax">2</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">K</span><span class="plain-syntax"> = </span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::kind_of_second</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">this</span><span class="plain-syntax">);</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">A</span><span class="plain-syntax"> = </span><span class="identifier-syntax">kinds_observed_in_list</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">A</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">K</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">Kinds::eq</span><span class="plain-syntax">(</span><span class="identifier-syntax">A</span><span class="plain-syntax">, </span><span class="identifier-syntax">K</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">immiscible</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">kinds_observed_in_list</span><span class="plain-syntax">[1] = </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="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">no_oow</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">) && (</span><span class="identifier-syntax">no_iw</span><span class="plain-syntax"> > </span><span class="constant-syntax">0</span><span class="plain-syntax">)) </span><span class="identifier-syntax">immiscible</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">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><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</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">no_of_pars</span><span class="plain-syntax"> >= </span><span class="constant-syntax">1</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><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</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">immiscible</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">no_of_pars</span><span class="plain-syntax"> >= </span><span class="constant-syntax">2</span><span class="plain-syntax">) && (</span><a href="4-as.html#SP5" class="function-link"><span class="function-syntax">ActionSemantics::can_have_second</span></a><span class="plain-syntax">(</span><a href="4-anl.html#SP11" class="function-link"><span class="function-syntax">ActionNameLists::action</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">entry</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">immiscible</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">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">immiscible</span><span class="plain-syntax">) {</span>
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<span class="plain-syntax"> </span><span class="identifier-syntax">failure_this_call</span><span class="plain-syntax"> = </span><span class="constant-syntax">IMMISCIBLE_PAPF</span><span class="plain-syntax">;</span>
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<span class="plain-syntax"> </span><span class="reserved-syntax">goto</span><span class="plain-syntax"> </span><span class="identifier-syntax">Failed</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>This code is used in <a href="4-pap.html#SP21">§21</a>.</li></ul>
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