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<!-- Weave of 'Regions' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inform7 Modules< / a > < / li > < li > < a href = "index.html" > if< / a > < / li > < li > < a href = "index.html#3" > Chapter 3: Space and Time< / a > < / li > < li > < b > Regions< / b > < / li > < / ul > < / div >
< p class = "purpose" > A plugin providing support for grouping rooms together into named and nestable regions.< / p >
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< ul class = "toc" > < li > < a href = "3-rgn.html#SP4" > § 4. Initialising< / a > < / li > < li > < a href = "3-rgn.html#SP5" > § 5. Kinds< / a > < / li > < li > < a href = "3-rgn.html#SP10" > § 10. Properties< / a > < / li > < li > < a href = "3-rgn.html#SP13" > § 13. Assertions< / a > < / li > < li > < a href = "3-rgn.html#SP14" > § 14. Relations< / a > < / li > < li > < a href = "3-rgn.html#SP18" > § 18. Model completion< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > The relation "R in S" behaves so differently for regions that we need to
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define it separately, even though there's no difference in English syntax. So:
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > R_regional_containment< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > "Region" is in fact one of the four top-level kinds in the standard I7
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hierarchy, alongside thing, room and direction.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > infs_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "identifier-syntax" > property< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P_map_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > a value property giving the region of a room< / span >
< span class = "identifier-syntax" > property< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P_regional_found_in< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > an I6-only property used for implementation< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > Every inference subject contains a pointer to its own unique copy of the
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following minimal structure, though it will only be relevant for instances of
"room":
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > regions_data< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > in_region< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > smallest region containing me (rooms only)< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > in_region_set_at< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > where this is decided< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > in_region_iname< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > for testing regional containment found-ins< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > regions_data< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure regions_data is private to this section.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. Initialising. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::start< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_CREATE_INFERENCES< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP4" class = "function-link" > < span class = "function-syntax" > PL::Regions::create_inference_subjects< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_NEW_BASE_KIND_NOTIFY< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP6" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_new_base_kind_notify< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_SET_SUBKIND_NOTIFY< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP7" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_set_subkind_notify< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_NEW_SUBJECT_NOTIFY< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP6" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_new_subject_notify< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_NEW_PROPERTY_NOTIFY< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP11" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_new_property_notify< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_COMPLETE_MODEL< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP18" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_complete_model< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_MORE_SPECIFIC< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP9" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_more_specific< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_ESTIMATE_PROPERTY_USAGE< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP12" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_estimate_property_usage< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_INTERVENE_IN_ASSERTION< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP13" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_intervene_in_assertion< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_NAME_TO_EARLY_INFS< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP14" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_name_to_early_infs< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PLUGIN_REGISTER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PLUGIN_ADD_TO_WORLD_INDEX< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP20" class = "function-link" > < span class = "function-syntax" > PL::Regions::regions_add_to_World_index< / span > < / a > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::create_inference_subjects< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > infs_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InferenceSubjects::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > global_constants< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FUND_SUB< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL_GENERAL_POINTER< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > LIKELY_CE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > regions_data< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > PL::Regions::new_data< / 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" > PL::Regions::new_data< / span > < / span > :< br / > < a href = "3-rgn.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > regions_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > regions_data< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > in_region< / 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" > rd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > in_region_set_at< / 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" > rd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > in_region_iname< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rd< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > PL::Regions::found_in_iname< / 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" > PL::Regions::found_in_iname< / span > < / span > :< br / > < a href = "3-rgn.html#SP18_2" > § 18.2< / a > , < a href = "3-rgn.html#SP19" > § 19< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region_iname< / 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" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region_iname< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Hierarchy::make_iname_in< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > REGION_FOUND_IN_FN_HL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Instances::package< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region_iname< / 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 = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. Kinds. < / b > This a kind name to do with regions which Inform provides special support
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for; it recognises the English name when defined by the Standard Rules. (So
there is no need to translate this to other languages.)
< / p >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < notable-regions-kinds> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > region< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > < / 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" > PL::Regions::regions_new_base_kind_notify< / 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" > PL::Regions::regions_new_base_kind_notify< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > new_base< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > char< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < notable-regions-kinds> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > new_base< / 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 = "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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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::regions_new_subject_notify< / 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" > PL::Regions::regions_new_subject_notify< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CREATE_PF_DATA< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > , < / span > < a href = "3-rgn.html#SP4" class = "function-link" > < span class = "function-syntax" > PL::Regions::new_data< / span > < / a > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > Region needs to be an abstract object, not a thing or a room, so:
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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" > PL::Regions::regions_set_subkind_notify< / 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" > PL::Regions::regions_set_subkind_notify< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > sub< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > super< / 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" > sub< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > super< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > K_object< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > problem_count< / 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" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_RegionAdrift< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "'region' is not allowed to be a kind of anything (other than "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "'object')"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "because it's too fundamental to the way Inform maps out the "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "geography of the physical world."< / 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 = "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 = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::object_is_a_region< / 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" > PL::Regions::object_is_a_region< / span > < / span > :< br / > < a href = "3-rgn.html#SP17" > § 17< / a > < br / > Spatial Model - < a href = "3-sm.html#SP32_2" > § 32.2< / a > < br / > EPS Map - < a href = "3-em.html#SP10" > § 10< / a > , < a href = "3-em.html#SP22_4_1" > § 22.4.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Plugins::Manage::plugged_in< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions_plugin< / span > < span class = "plain-syntax" > )) & & (< / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / 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 >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. < / b > Rooms are always more specific than regions; if region X is within
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region Y, then X is more specific than Y; otherwise any two regions are
equally specific. (This is used in sorting rules by the specificity of their
domains.)
< / 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" > PL::Regions::regions_more_specific< / 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" > PL::Regions::regions_more_specific< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I2< / 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" > r1< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > r2< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I2< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > reg1< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / 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" > reg2< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I2< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / 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" > r1< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > reg2< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > reg1< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > r2< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > -1;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > reg1< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > reg2< / 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 = "3-sm.html#SP37" class = "function-link" > < span class = "function-syntax" > PL::Spatial::encloses< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I2< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-sm.html#SP37" class = "function-link" > < span class = "function-syntax" > PL::Spatial::encloses< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I2< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > -1;< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "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 >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. Properties. < / b > This is a property name to do with regions which Inform provides special
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support for; it recognises the English name when it is defined by the
Standard Rules. (So there is no need to translate this to other languages.)
< / p >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < notable-regions-properties> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > map< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > region< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP11" class = "paragraph-anchor" > < / a > < b > § 11. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::regions_new_property_notify< / 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" > PL::Regions::regions_new_property_notify< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > property< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prn< / 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" > < notable-regions-properties> (prn-> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > ))< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > P_map_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > prn< / 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 = "SP12" class = "paragraph-anchor" > < / a > < b > § 12. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::regions_estimate_property_usage< / 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" > PL::Regions::regions_estimate_property_usage< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > kind< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > k< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > words_used< / 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" > Kinds::eq< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > k< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > )) *< / span > < span class = "identifier-syntax" > words_used< / span > < span class = "plain-syntax" > += < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "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 = "SP13" class = "paragraph-anchor" > < / a > < b > § 13. Assertions. < / b > The following doesn't really intervene at all: it simply produces two problem
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messages which would have been less helpful if core Inform had produced them.
< / 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" > PL::Regions::regions_intervene_in_assertion< / 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" > PL::Regions::regions_intervene_in_assertion< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > px< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > py< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Node::get_type< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > px< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > PROPER_NOUN_NT< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Node::get_type< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > py< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > COMMON_NOUN_NT< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > left_subject< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Node::get_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > px< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > right_kind< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Node::get_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > py< / 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" > InferenceSubjects::is_an_object< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > left_subject< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > right_kind< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > Kinds::Knowledge::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_region< / 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" > left_object< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > InferenceSubjects::as_object_instance< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > left_subject< / 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" > left_object< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > Instances::get_creating_sentence< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > left_object< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > left_object< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / 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" > StandardProblems::subject_problem_at_sentence< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ExistingRegion< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > left_subject< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "(which I notice in another sentence) seems now to "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "be declared as a new region"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which is suspect. Perhaps I have misinterpreted what was "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "meant to be a new name for an old one?"< / 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 = "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" > Node::get_type< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > px< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > RELATIONSHIP_NT< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Node::get_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > py< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > Kinds::Knowledge::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > ))) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::Using::assertion_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_RegionRelated< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "a region cannot be given a specific location"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "since it contains what may be many rooms, which may not be "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "contiguous and could be scattered about all over. (Sometimes "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "this problem arises because an ambiguous sentence like 'East "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "of Eden is a region.' has been used: Inform reads that as "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "saying that a nameless region lies to the east of the room "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "'Eden'. The desired effect can be got using 'called' to stop "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "Inform taking 'East of' literally: for instance, 'The Land of "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "Nod is in a region called East of Eden.'"< / 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 = "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 = "SP14" class = "paragraph-anchor" > < / a > < b > § 14. Relations. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::regions_name_to_early_infs< / 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" > PL::Regions::regions_name_to_early_infs< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > **< / span > < span class = "identifier-syntax" > infs< / 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" > < notable-regions-kinds> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) & & (< / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > )) *< / span > < span class = "identifier-syntax" > infs< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > infs_region< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP15" class = "paragraph-anchor" > < / a > < b > § 15. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::create_relations< / 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" > PL::Regions::create_relations< / span > < / span > :< br / > Spatial Relations - < a href = "3-sr.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > R_regional_containment< / span > < span class = "plain-syntax" > =< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > BinaryPredicates::make_pair< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > spatial_bp_family< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > BinaryPredicates::new_term< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > infs_region< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > BinaryPredicates::new_term< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Kinds::Knowledge::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_object< / span > < span class = "plain-syntax" > )),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "region-contains"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "in-region"< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Calculus::Schemas::new< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "TestRegionalContainment(*2,*1)"< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PreformUtilities::wording< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < relation-names> < / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > REGIONAL_CONTAINMENT_RELATION_NAME< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > BinaryPredicates::set_index_details< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > R_regional_containment< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "room/region"< / 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 = "SP16" class = "paragraph-anchor" > < / a > < b > § 16. < / b > We intervene only in limited cases: X contains Y, X regionally contains Y,
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or X incorporates Y; and only when X is a region. (This of course only
applies to the built-in spatial relationships; regions are entirely free
to participate in nonspatial relations.)
< / 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" > PL::Regions::assert_relations< / span > < button class = "popup" onclick = "togglePopup('usagePopup13')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup13" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Regions::assert_relations< / span > < / span > :< br / > Spatial Relations - < a href = "3-sr.html#SP4_1" > § 4.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > binary_predicate< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > relation< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I0< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I1< / 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" > I0_is_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I0< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > I0_is_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > I1_is_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > I1_is_region< / 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" > I0_is_region< / 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" > relation< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > R_incorporation< / span > < span class = "plain-syntax" > ) ||< / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > relation< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > R_containment< / span > < span class = "plain-syntax" > ) ||< / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > relation< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > R_regional_containment< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "3-rgn.html#SP16_1" class = "named-paragraph-link" > < span class = "named-paragraph" > You can only be declared as in one region< / span > < span class = "named-paragraph-number" > 16.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1_is_region< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "3-rgn.html#SP16_2" class = "named-paragraph-link" > < span class = "named-paragraph" > A region is being put inside a region< / span > < span class = "named-paragraph-number" > 16.2< / span > < / a > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "3-rgn.html#SP16_3" class = "named-paragraph-link" > < span class = "named-paragraph" > A room is being put inside a region< / span > < span class = "named-paragraph-number" > 16.3< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_RegionRelation< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "regions can only contain rooms"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "and have no other relationships."< / span > < span class = "plain-syntax" > );< / 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" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1_is_region< / 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" > relation< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > R_incorporation< / span > < span class = "plain-syntax" > ) ||< / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > relation< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > R_containment< / span > < span class = "plain-syntax" > ) ||< / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > relation< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > R_regional_containment< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_RegionRelation2< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "regions can only be contained in other regions"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "and not for example in rooms."< / 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" > 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 = "SP16_1" class = "paragraph-anchor" > < / a > < b > § 16.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > You can only be declared as in one region< / span > < span class = "named-paragraph-number" > 16.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > I0< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::sentence_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_RegionInTwoRegions< / span > < span class = "plain-syntax" > ),< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "each region can only be declared to be inside a single "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "other region"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "since although regions can be placed inside each other, "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "they are not permitted to overlap."< / 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region_set_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "3-rgn.html#SP16" > § 16< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP16_2" class = "paragraph-anchor" > < / a > < b > § 16.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > A region is being put inside a region< / span > < span class = "named-paragraph-number" > 16.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > inner< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > outer< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I0< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > World::Inferences::draw< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > PARENTAGE_INF< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > inner< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > CERTAIN_CE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > outer< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "3-rgn.html#SP16" > § 16< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP16_3" class = "paragraph-anchor" > < / a > < b > § 16.3. < / b > Anything in or part of a region is necessarily a room, if it isn't known
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to be a region already:
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > A room is being put inside a region< / span > < span class = "named-paragraph-number" > 16.3< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rm< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Rvalues::from_instance< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I0< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Propositions::Abstract::assert_kind_of_object< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_room< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > World::Inferences::draw_property< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rm< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > P_map_region< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > spec< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "3-rgn.html#SP16" > § 16< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP17" class = "paragraph-anchor" > < / a > < b > § 17. < / b > Note that because we use regular < span class = "extract" > < span class = "extract-syntax" > PARENTAGE_INF< / span > < / span > inferences to remember
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that one region is inside another, it follows that the progenitor of a
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region is either the next broadest region containing it, or else < span class = "extract" > < span class = "extract-syntax" > NULL< / span > < / span > .
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > PL::Regions::enclosing< / span > < button class = "popup" onclick = "togglePopup('usagePopup14')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup14" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Regions::enclosing< / span > < / span > :< br / > < a href = "3-rgn.html#SP20" > § 20< / a > < br / > Spatial Map - < a href = "3-sm2.html#SP37" > § 37< / a > , < a href = "3-sm2.html#SP41_1" > § 41.1< / a > , < a href = "3-sm2.html#SP42_2" > § 42.2< / a > < br / > HTML Map - < a href = "3-hm.html#SP6_2" > § 6.2< / a > , < a href = "3-hm.html#SP13" > § 13< / a > < br / > EPS Map - < a href = "3-em.html#SP10" > § 10< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > reg< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-sm.html#SP15" class = "function-link" > < span class = "function-syntax" > PL::Spatial::object_is_a_room< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > reg< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > reg< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-rgn.html#SP8" class = "function-link" > < span class = "function-syntax" > PL::Regions::object_is_a_region< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > reg< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < a href = "3-sm.html#SP30" class = "function-link" > < span class = "function-syntax" > PL::Spatial::progenitor< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > reg< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "3-rgn.html#SP8" class = "function-link" > < span class = "function-syntax" > PL::Regions::object_is_a_region< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > ) == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > P< / 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 = "SP18" class = "paragraph-anchor" > < / a > < b > § 18. Model completion. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::regions_complete_model< / span > < button class = "popup" onclick = "togglePopup('usagePopup15')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup15" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Regions::regions_complete_model< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stage< / 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" > stage< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "3-rgn.html#SP18_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Assert map-region properties of rooms and regions< / span > < span class = "named-paragraph-number" > 18.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > stage< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 3< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "3-rgn.html#SP18_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Assert regional-found-in properties of regions< / span > < span class = "named-paragraph-number" > 18.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP18_1" class = "paragraph-anchor" > < / a > < b > § 18.1. < / b > The following is needed in case somebody does something like this:
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< / p >
< blockquote >
< p > A desert room is a kind of room. The map region of a desert room is usually Sahara.< / p >
< / blockquote >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Assert map-region properties of rooms and regions< / span > < span class = "named-paragraph-number" > 18.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER_OBJECT_INSTANCES< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / 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 = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > ))) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > where< / 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" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > World::Inferences::get_prop_state_at< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Instances::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > P_map_region< / span > < span class = "plain-syntax" > , & < / span > < span class = "identifier-syntax" > where< / 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" > val< / 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" > reg< / span > < span class = "plain-syntax" > =< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Rvalues::to_object_instance< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > reg< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region_set_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > where< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "3-rgn.html#SP18" > § 18< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP18_2" class = "paragraph-anchor" > < / a > < b > § 18.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Assert regional-found-in properties of regions< / span > < span class = "named-paragraph-number" > 18.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > P_regional_found_in< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Properties::Valued::new_nameless< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "regional_found_in"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_text< / 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" > I< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER_OBJECT_INSTANCES< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > = < / span > < a href = "3-rgn.html#SP4" class = "function-link" > < span class = "function-syntax" > PL::Regions::found_in_iname< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Properties::Valued::assert< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P_regional_found_in< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Instances::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Rvalues::from_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > CERTAIN_CE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "3-rgn.html#SP18" > § 18< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP19" class = "paragraph-anchor" > < / a > < b > § 19. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::write_regional_found_in_routines< / span > < 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" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER_OBJECT_INSTANCES< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_region< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inter_name< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > = < / span > < a href = "3-rgn.html#SP4" class = "function-link" > < span class = "function-syntax" > PL::Regions::found_in_iname< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > packaging_state< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > save< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Routines::begin< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > iname< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_primitive< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > IF_BIP< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::inv_call_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > TESTREGIONALCONTAINMENT_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::val_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > K_object< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Hierarchy::find< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > LOCATION_HL< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::val_iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > K_object< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > Instances::iname< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::code< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::down< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::rtrue< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::up< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Produce::rfalse< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Emit::tree< / span > < span class = "plain-syntax" > ());< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Routines::end< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > save< / span > < span class = "plain-syntax" > );< / 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 = "SP20" class = "paragraph-anchor" > < / a > < b > § 20. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > PL::Regions::regions_add_to_World_index< / span > < button class = "popup" onclick = "togglePopup('usagePopup16')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup16" > Usage of < span class = "code-font" > < span class = "function-syntax" > PL::Regions::regions_add_to_World_index< / span > < / span > :< br / > < a href = "3-rgn.html#SP4" > § 4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > O< / 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" > O< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > Instances::of_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > O< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_room< / span > < span class = "plain-syntax" > ))) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > R< / span > < span class = "plain-syntax" > = < / span > < a href = "3-rgn.html#SP17" class = "function-link" > < span class = "function-syntax" > PL::Regions::enclosing< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > O< / 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" > R< / span > < span class = "plain-syntax" > ) < / span > < a href = "3-hm.html#SP12" class = "function-link" > < span class = "function-syntax" > PL::HTMLMap::colour_chip< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > O< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > R< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > PF_I< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > regions< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > O< / span > < span class = "plain-syntax" > )-> < / span > < span class = "element-syntax" > in_region_set_at< / span > < span class = "plain-syntax" > );< / 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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< nav role = "progress" > < div class = "progresscontainer" >
< ul class = "progressbar" > < li class = "progressprev" > < a href = "3-bck.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "1-im.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-ifi.html" > 2< / a > < / li > < li class = "progresscurrentchapter" > 3< / li > < li class = "progresssection" > < a href = "3-tnt.html" > tnt< / a > < / li > < li class = "progresssection" > < a href = "3-sm.html" > sm< / a > < / li > < li class = "progresssection" > < a href = "3-sr.html" > sr< / a > < / li > < li class = "progresssection" > < a href = "3-prs.html" > prs< / a > < / li > < li class = "progresssection" > < a href = "3-tp.html" > tp< / a > < / li > < li class = "progresssection" > < a href = "3-dvc.html" > dvc< / a > < / li > < li class = "progresssection" > < a href = "3-bck.html" > bck< / a > < / li > < li class = "progresscurrent" > rgn< / li > < li class = "progresssection" > < a href = "3-tm.html" > tm< / a > < / li > < li class = "progresssection" > < a href = "3-mcr.html" > mcr< / a > < / li > < li class = "progresssection" > < a href = "3-sg.html" > sg< / a > < / li > < li class = "progresssection" > < a href = "3-sm2.html" > sm2< / a > < / li > < li class = "progresssection" > < a href = "3-hm.html" > hm< / a > < / li > < li class = "progresssection" > < a href = "3-em.html" > em< / a > < / li > < li class = "progresssection" > < a href = "3-sc.html" > sc< / a > < / li > < li class = "progresssection" > < a href = "3-scn.html" > scn< / a > < / li > < li class = "progresssection" > < a href = "3-tm2.html" > tm2< / a > < / li > < li class = "progresssection" > < a href = "3-ts.html" > ts< / a > < / li > < li class = "progresschapter" > < a href = "4-act.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-itg.html" > 5< / a > < / li > < li class = "progressnext" > < a href = "3-tm.html" > ❯ < / a > < / li > < / ul > < / div >
< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >