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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 > Going< / b > < / li > < / ul > < / div >
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< p class = "purpose" > A plugin to provide a little extra support for the "going" action.< / p >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > The "going" action, allowing actors to move from room to room in the spatial
map of the world model, is by far the most intricately implemented. Reflecting
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that, we provide quite a lot of hard-wired compiler support for it, in the form
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of this plugin.
< / p >
< p class = "commentary" > Note that if the actions plugin is not also active, none of the functions
below will ever be called.
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::start< / span > < button class = "popup" onclick = "togglePopup('usagePopup1')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup1" > Usage of < span class = "code-font" > < span class = "function-syntax" > GoingPlugin::start< / span > < / span > :< br / > IF Module - < a href = "1-im.html#SP5" > § 5< / 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 = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NEW_ACTION_NOTIFY_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP3" class = "function-link" > < span class = "function-syntax" > GoingPlugin::new_action_notify< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > WRITE_AP_CLAUSE_ID_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP5" class = "function-link" > < span class = "function-syntax" > GoingPlugin::write_clause_ID< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ASPECT_OF_AP_CLAUSE_ID_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP5" class = "function-link" > < span class = "function-syntax" > GoingPlugin::aspect< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > DIVERT_AP_CLAUSE_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP6" class = "function-link" > < span class = "function-syntax" > GoingPlugin::divert_clause_ID< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PARSE_AP_CLAUSE_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP11" class = "function-link" > < span class = "function-syntax" > GoingPlugin::parse_clause< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > VALIDATE_AP_CLAUSE_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP13" class = "function-link" > < span class = "function-syntax" > GoingPlugin::validate< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NEW_AP_CLAUSE_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP7" class = "function-link" > < span class = "function-syntax" > GoingPlugin::new_clause< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ACT_ON_ANL_ENTRY_OPTIONS_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP12" class = "function-link" > < span class = "function-syntax" > GoingPlugin::act_on_options< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > COMPARE_AP_SPECIFICITY_PLUG< / span > < span class = "plain-syntax" > , < / span > < a href = "4-gng.html#SP16" class = "function-link" > < span class = "function-syntax" > GoingPlugin::compare_specificity< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > SET_PATTERN_MATCH_REQUIREMENTS_PLUG< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > RTGoing::set_pattern_match_requirements< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PluginManager::plug< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > COMPILE_PATTERN_MATCH_CLAUSE_PLUG< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > RTGoing::compile_pattern_match_clause< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > Firstly, we have to recognise the action we will treat differently, which
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we do by its (English) name in the Standard Rules:
< / p >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < going-action> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > going< / 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 >
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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" >
< span class = "reserved-syntax" > action_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > going_action< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::new_action_notify< / 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" > GoingPlugin::new_action_notify< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > an< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < going-action> < / span > < span class = "plain-syntax" > (< / span > < a href = "4-ann.html#SP5" class = "function-link" > < span class = "function-syntax" > ActionNameNames::tensed< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > an< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > IS_TENSE< / span > < span class = "plain-syntax" > ))) < / span > < span class = "identifier-syntax" > going_action< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > an< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > The going action variables are identified at runtime by this ID number:
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::id< / 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" > GoingPlugin::id< / span > < / span > :< br / > < a href = "4-gng.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > going_action< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > RTActions::action_variable_set_ID< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > going_action< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > We will need to handle five special AP clauses. Two have the existing < span class = "extract" > < span class = "extract-syntax" > IN_APCA< / span > < / span >
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aspect, and the other three share a new one.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > GOING_THROUGH_AP_CLAUSE< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > GOING_BY_AP_CLAUSE< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > PUSHING_AP_CLAUSE< / span >
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< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > GOING_APCA< / span >
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< / pre >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::write_clause_ID< / 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" > GoingPlugin::write_clause_ID< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > C< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > C< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_FROM_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "going-from"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_TO_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "going-to"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_THROUGH_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "going-through"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_BY_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "going-by"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUSHING_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "pushing"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::aspect< / 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" > GoingPlugin::aspect< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > C< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > C< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_FROM_AP_CLAUSE:< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > IN_APCA< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_TO_AP_CLAUSE:< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > IN_APCA< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_THROUGH_AP_CLAUSE:< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > GOING_APCA< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_BY_AP_CLAUSE:< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > GOING_APCA< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUSHING_AP_CLAUSE:< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > GOING_APCA< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > The Standard Rules defines five action variables in sequence for the going
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action, and we pick them up here. Note that we do this by their creation
sequence and not by their names — so this would all stop working if the
Standard Rules were rearranged. Caveat editor.
< / p >
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< p class = "commentary" > If we do spot one of these five magic variables, we tie it to a clause with
a special ID number of our choice.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::divert_clause_ID< / 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" > GoingPlugin::divert_clause_ID< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < 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 = "reserved-syntax" > int< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / 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" > oid< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > StackedVariables::get_owner_id< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > stv< / 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" > off< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > StackedVariables::get_offset< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > stv< / 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" > going_action< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > oid< / span > < span class = "plain-syntax" > == < / span > < a href = "4-gng.html#SP4" class = "function-link" > < span class = "function-syntax" > GoingPlugin::id< / span > < / a > < span class = "plain-syntax" > ())) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > off< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > : *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > : *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > : *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > GOING_THROUGH_AP_CLAUSE< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 3< / span > < span class = "plain-syntax" > : *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > GOING_BY_AP_CLAUSE< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 4< / span > < span class = "plain-syntax" > : *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > PUSHING_AP_CLAUSE< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > If we create a "going from" or "going to" clause, we set a flag to show that
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they can contain regions or rooms equally well. (Inform's kinds system has no
protocol for this; it could have, but we don't need this to be visible to authors
writing source text.)
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::new_clause< / span > < button class = "popup" onclick = "togglePopup('usagePopup7')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup7" > Usage of < span class = "code-font" > < span class = "function-syntax" > GoingPlugin::new_clause< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > ap_clause< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > apoc< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > apoc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > clause_ID< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span > < span class = "plain-syntax" > ) ||< / span >
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< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > apoc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > clause_ID< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > ))< / span >
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< span class = "plain-syntax" > < / span > < a href = "4-apc.html#SP9" class = "function-link" > < span class = "function-syntax" > APClauses::set_opt< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > apoc< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ALLOW_REGION_AS_ROOM_APCOPT< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > Going nowhere is a special syntax:
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::go_nowhere< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::set_spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Rvalues::new_nothing_object_constant< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::going_nowhere< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Rvalues::is_nothing_object_constant< / span > < span class = "plain-syntax" > (< / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > )))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. < / b > And similarly going somewhere:
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::go_somewhere< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::set_spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Descriptions::from_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_room< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::going_somewhere< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Descriptions::is_kind_like< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > )) & & (< / span > < span class = "identifier-syntax" > Kinds::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Descriptions::explicit_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > K_room< / span > < span class = "plain-syntax" > )))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. < / b > These are recognised by this Preform nonterminal:
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< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > NOWHERE_AP_CLAUSE_OPTION< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 1< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > SOMEWHERE_AP_CLAUSE_OPTION< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 2< / span >
< / pre >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < going-action-irregular-operand> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
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< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > 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" > { NOWHERE_AP_CLAUSE_OPTION, - }< / 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" > { SOMEWHERE_AP_CLAUSE_OPTION, - }< / span >
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< / 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 >
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< p class = "commentary firstcommentary" > < a id = "SP11" class = "paragraph-anchor" > < / a > < b > § 11. < / b > Which we intercept thus, and thus avoid the noun being evaluated, but
instead setting the appropriate entry options bit:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::parse_clause< / span > < button class = "popup" onclick = "togglePopup('usagePopup8')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup8" > Usage of < span class = "code-font" > < span class = "function-syntax" > GoingPlugin::parse_clause< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > an< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > anl_clause< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bits< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > clause_ID< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > NOUN_AP_CLAUSE< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > an< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > an< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > going_action< / span > < span class = "plain-syntax" > ) & & < / span >
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< span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < going-action-irregular-operand> (c-> < / span > < span class = "element-syntax" > clause_text< / span > < span class = "plain-syntax" > ))) { *< / span > < span class = "identifier-syntax" > bits< / span > < span class = "plain-syntax" > |= < / span > < span class = "function-syntax" > < < r> > < / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP12" class = "paragraph-anchor" > < / a > < b > § 12. < / b > Options bits which we later pick up here, moving the irregular noun phrase
into the < span class = "extract" > < span class = "extract-syntax" > GOING_TO_AP_CLAUSE< / span > < / span > instead, where we supply our own evaluation:
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::act_on_options< / span > < button class = "popup" onclick = "togglePopup('usagePopup9')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup9" > Usage of < span class = "code-font" > < span class = "function-syntax" > GoingPlugin::act_on_options< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > anl_entry< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > entry_options< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > fail< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry_options< / span > < span class = "plain-syntax" > & < / span > < span class = "constant-syntax" > NOWHERE_AP_CLAUSE_OPTION< / span > < span class = "plain-syntax" > ) {< / 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 > < a href = "4-anl.html#SP16" class = "function-link" > < span class = "function-syntax" > ActionNameLists::get_clause_wording< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NOUN_AP_CLAUSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "4-anl.html#SP19" class = "function-link" > < span class = "function-syntax" > ActionNameLists::truncate_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NOUN_AP_CLAUSE< / 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#SP16" class = "function-link" > < span class = "function-syntax" > ActionNameLists::has_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > )) *< / span > < span class = "identifier-syntax" > fail< / 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 = "plain-syntax" > < / span > < a href = "4-anl.html#SP17" class = "function-link" > < span class = "function-syntax" > ActionNameLists::set_clause_wording< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / 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" > anl_clause< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = < / span > < a href = "4-anl.html#SP16" class = "function-link" > < span class = "function-syntax" > ActionNameLists::get_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > evaluation< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Rvalues::new_nothing_object_constant< / 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" > entry_options< / span > < span class = "plain-syntax" > & < / span > < span class = "constant-syntax" > SOMEWHERE_AP_CLAUSE_OPTION< / span > < span class = "plain-syntax" > ) {< / 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 > < a href = "4-anl.html#SP16" class = "function-link" > < span class = "function-syntax" > ActionNameLists::get_clause_wording< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NOUN_AP_CLAUSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "4-anl.html#SP19" class = "function-link" > < span class = "function-syntax" > ActionNameLists::truncate_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NOUN_AP_CLAUSE< / 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#SP16" class = "function-link" > < span class = "function-syntax" > ActionNameLists::has_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > )) *< / span > < span class = "identifier-syntax" > fail< / 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 = "plain-syntax" > < / span > < a href = "4-anl.html#SP17" class = "function-link" > < span class = "function-syntax" > ActionNameLists::set_clause_wording< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / 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" > anl_clause< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = < / span > < a href = "4-anl.html#SP16" class = "function-link" > < span class = "function-syntax" > ActionNameLists::get_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > entry< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > evaluation< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Descriptions::from_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_room< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP13" class = "paragraph-anchor" > < / a > < b > § 13. < / b > Here we perform sanity checks on the clauses.
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::validate< / span > < button class = "popup" onclick = "togglePopup('usagePopup10')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup10" > Usage of < span class = "code-font" > < span class = "function-syntax" > GoingPlugin::validate< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > an< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > anl_clause< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > outcome< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , *< / span > < span class = "identifier-syntax" > kb< / 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" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > clause_ID< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_FROM_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > = < / span > < span class = "string-syntax" > "from"< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K_room< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_TO_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > = < / span > < span class = "string-syntax" > "to"< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K_room< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_BY_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > = < / span > < span class = "string-syntax" > "by"< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K_thing< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > GOING_THROUGH_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > = < / span > < span class = "string-syntax" > "through"< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K_door< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUSHING_AP_CLAUSE:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > = < / span > < span class = "string-syntax" > "with"< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > K_thing< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > outcome< / span > < span class = "plain-syntax" > = < / span > < a href = "4-gng.html#SP14" class = "function-link" > < span class = "function-syntax" > GoingPlugin::check_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > evaluation< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP14" class = "paragraph-anchor" > < / a > < b > § 14. < / b > Each clause can be within one of up to two kinds, or else can be "nothing"
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or unspecified:
< / 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 = "identifier-syntax" > PM_GoingWrongKind_issued_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > PM_GoingWithoutObject_issued_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::check_clause< / span > < button class = "popup" onclick = "togglePopup('usagePopup11')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup11" > Usage of < span class = "code-font" > < span class = "function-syntax" > GoingPlugin::check_clause< / span > < / span > :< br / > < a href = "4-gng.html#SP13" > § 13< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Rvalues::is_nothing_object_constant< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Specifications::is_description_like< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > oref< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Specifications::object_exactly_described_if_any< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > oref< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > oref< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > )) ||< / span >
< span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > oref< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > )))) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_GoingWrongKind_issued_at< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PM_GoingWrongKind_issued_at< / span > < span class = "plain-syntax" > = < / 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_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_object< / span > < span class = "plain-syntax" > (2, < / span > < span class = "identifier-syntax" > oref< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_text< / span > < span class = "plain-syntax" > (3, < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_kind< / span > < span class = "plain-syntax" > (4, < / span > < span class = "identifier-syntax" > ka< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_kind< / span > < span class = "plain-syntax" > (5, < / span > < span class = "identifier-syntax" > Instances::to_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > oref< / 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" > kb< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > Problems::quote_kind< / span > < span class = "plain-syntax" > (6, < / span > < span class = "identifier-syntax" > kb< / span > < span class = "plain-syntax" > );< / span >
< 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_GoingWrongKind< / 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" > kb< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "In the sentence %1, %2 seems to be intended as something the "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "player might be going %3, but this has the wrong kind: %5 "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "rather than %4 or %6."< / 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" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "In the sentence %1, %2 seems to be intended as something the player "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "might be going %3, but this has the wrong kind: %5 rather than %4."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_GoingWithoutObject_issued_at< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PM_GoingWithoutObject_issued_at< / span > < span class = "plain-syntax" > = < / 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_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_wording< / span > < span class = "plain-syntax" > (2, < / span > < span class = "identifier-syntax" > Node::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_text< / span > < span class = "plain-syntax" > (3, < / span > < span class = "identifier-syntax" > keyword< / span > < span class = "plain-syntax" > );< / span >
< 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_GoingWithoutObject< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "In the sentence %1, '%2' seems to be intended as something the player "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "might be going %3, but it doesn't make sense in that context."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP15" class = "paragraph-anchor" > < / a > < b > § 15. < / b > Going from, by, through, or with all imply going somewhere rather than nowhere;
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if no "going to" destination is specified, we had better check the destination
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to make sure it actually exists. So this can be used to see if the need arises:
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::need_to_check_destination_exists< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / 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-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / 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-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_BY_AP_CLAUSE< / 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-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_THROUGH_AP_CLAUSE< / 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-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > PUSHING_AP_CLAUSE< / span > < span class = "plain-syntax" > ) != < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > )))< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP16" class = "paragraph-anchor" > < / a > < b > § 16. < / b > Specificity checking for the "going" action is quite complicated. We want to
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count "going from X" and "going in X" as being essentially the same requirement,
giving neither clause priority over the other, which means some fiddly crossover
code if < span class = "extract" > < span class = "extract-syntax" > ap1< / span > < / span > has one and < span class = "extract" > < span class = "extract-syntax" > ap2< / span > < / span > the other.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > GoingPlugin::compare_specificity< / span > < button class = "popup" onclick = "togglePopup('usagePopup12')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup12" > Usage of < span class = "code-font" > < span class = "function-syntax" > GoingPlugin::compare_specificity< / span > < / span > :< br / > < a href = "4-gng.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > action_pattern< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rv< / 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" > ignore_in< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c_s_stage_law< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "III.2.4 - Action/Where/Other Optional Clauses"< / 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" > rct1< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP15" class = "function-link" > < span class = "function-syntax" > APClauses::number_with_aspect< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_APCA< / 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" > rct2< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP15" class = "function-link" > < span class = "function-syntax" > APClauses::number_with_aspect< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_APCA< / 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" > rct1< / span > < span class = "plain-syntax" > > < / span > < span class = "identifier-syntax" > rct2< / span > < span class = "plain-syntax" > ) { *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rct1< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > rct2< / span > < span class = "plain-syntax" > ) { *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = -1; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ; }< / span >
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< span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ignore_in< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > PUSHING_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > GOING_BY_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > GOING_THROUGH_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c_s_stage_law< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "III.2.2 - Action/Where/Room Where Action Takes Place"< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rct1< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP15" class = "function-link" > < span class = "function-syntax" > APClauses::number_with_aspect< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IN_APCA< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rct2< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP15" class = "function-link" > < span class = "function-syntax" > APClauses::number_with_aspect< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IN_APCA< / 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" > rct1< / span > < span class = "plain-syntax" > > < / span > < span class = "identifier-syntax" > rct2< / span > < span class = "plain-syntax" > ) { *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rct1< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > rct2< / span > < span class = "plain-syntax" > ) { *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = -1; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ; }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > suspend_usual_from_and_room< / 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-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IN_AP_CLAUSE< / 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-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IN_AP_CLAUSE< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clauses< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IN_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / 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" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > suspend_usual_from_and_room< / 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 > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IN_AP_CLAUSE< / 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-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IN_AP_CLAUSE< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "4-apc.html#SP6" class = "function-link" > < span class = "function-syntax" > APClauses::spec< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clauses< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > IN_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / 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" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > suspend_usual_from_and_room< / 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" > suspend_usual_from_and_room< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > GOING_FROM_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > IN_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > = < / span > < a href = "4-apc.html#SP18" class = "function-link" > < span class = "function-syntax" > APClauses::cmp_clause< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > GOING_TO_AP_CLAUSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ap2< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "4-nap.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-im.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-bd.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-sm.html" > 3< / a > < / li > < li class = "progresscurrentchapter" > 4< / li > < li class = "progresssection" > < a href = "4-ap.html" > ap< / a > < / li > < li class = "progresssection" > < a href = "4-anaa.html" > anaa< / a > < / li > < li class = "progresssection" > < a href = "4-ak.html" > ak< / a > < / li > < li class = "progresssection" > < a href = "4-ac.html" > ac< / a > < / li > < li class = "progresssection" > < a href = "4-act.html" > act< / a > < / li > < li class = "progresssection" > < a href = "4-as.html" > as< / a > < / li > < li class = "progresssection" > < a href = "4-av.html" > av< / a > < / li > < li class = "progresssection" > < a href = "4-ann.html" > ann< / a > < / li > < li class = "progresssection" > < a href = "4-ap2.html" > ap2< / a > < / li > < li class = "progresssection" > < a href = "4-anl.html" > anl< / a > < / li > < li class = "progresssection" > < a href = "4-apc.html" > apc< / a > < / li > < li class = "progresssection" > < a href = "4-pap.html" > pap< / a > < / li > < li class = "progresssection" > < a href = "4-pc.html" > pc< / a > < / li > < li class = "progresssection" > < a href = "4-ea.html" > ea< / a > < / li > < li class = "progresssection" > < a href = "4-nap.html" > nap< / a > < / li > < li class = "progresscurrent" > gng< / li > < li class = "progresschapter" > < a href = "5-pp.html" > 5< / a > < / li > < li class = "progressnext" > < a href = "5-pp.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >