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<!-- Weave of 'Imperative Definition Families' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Inform7< / a > < / li > < li > < a href = "index.html" > assertions< / a > < / li > < li > < a href = "index.html#5" > Chapter 5: Imperative Code< / a > < / li > < li > < b > Imperative Definition Families< / b > < / li > < / ul > < / div >
< p class = "purpose" > Different categories of imperative definition.< / p >
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< ul class = "toc" > < li > < a href = "5-idf.html#SP1" > § 1. Creation< / a > < / li > < li > < a href = "5-idf.html#SP3" > § 3. Identification< / a > < / li > < li > < a href = "5-idf.html#SP4" > § 4. Assessment< / a > < / li > < li > < a href = "5-idf.html#SP9" > § 9. What is allowed in the body< / a > < / li > < li > < a href = "5-idf.html#SP12" > § 12. Compilation and indexing< / a > < / li > < / ul > < hr class = "tocbar" >
< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. Creation. < / b > See < a href = "5-id.html" class = "internal" > Imperative Definitions< / a > for what these families are.
< / p >
< p class = "commentary" > There are very few of them, and an Inform source text cannot create more.
The following is called at startup, and then that's the lot.
< / p >
< p class = "commentary" > The order of creation is important here, or at least, it's important that
the rule family comes last, because this affects the order of the loop in
< a href = "5-idf.html#SP3" class = "internal" > ImperativeDefinitionFamilies::identify< / a > below.
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > unknown_idf< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > used only temporarily< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::create< / 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" > ImperativeDefinitionFamilies::create< / span > < / span > :< br / > Assertions Module - < a href = "1-am.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > unknown_idf< / span > < span class = "plain-syntax" > = < / span > < a href = "5-idf.html#SP2" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitionFamilies::new< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "unknown-idf"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "5-adf.html#SP1" class = "function-link" > < span class = "function-syntax" > AdjectivalDefinitionFamily::create_family< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "5-tpf.html#SP1" class = "function-link" > < span class = "function-syntax" > ToPhraseFamily::create_family< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < a href = "5-rf.html#SP1" class = "function-link" > < span class = "function-syntax" > RuleFamily::create_family< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > Such a family is little more than a set of methods:
< / p >
< 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" > imperative_defn_family< / 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" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > family_name< / 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" > method_set< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > methods< / 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" > compile_last< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::new< / 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" > ImperativeDefinitionFamilies::new< / span > < / span > :< br / > < a href = "5-idf.html#SP1" > § 1< / a > < br / > Adjectival Definition Family - < a href = "5-adf.html#SP1" > § 1< / a > < br / > To Phrase Family - < a href = "5-tpf.html#SP1" > § 1< / a > < br / > Rule Family - < a href = "5-rf.html#SP1" > § 1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > last< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > family< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Str::duplicate< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > family< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > methods< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Methods::new_set< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > family< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > compile_last< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > last< / 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" > family< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< ul class = "endnotetexts" > < li > The structure imperative_defn_family is accessed in 5/id, 7/am and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. Identification. < / b > So, then, the rest of this section provides an API, in effect, for different
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users of imperative definitions to get their work done.
< / p >
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< p class = "commentary" > < span class = "extract" > < span class = "extract-syntax" > IDENTIFY_IMP_DEFN_MTID< / span > < / span > is for deciding from the syntax of a preamble whether
this definition should belong to the family or not. The recipient should set
< span class = "extract" > < span class = "extract-syntax" > id-> family< / span > < / span > to itself if it wants the definition.
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< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > IDENTIFY_IMP_DEFN_MTID< / span >
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< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > IDENTIFY_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > )< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::identify< / 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" > ImperativeDefinitionFamilies::identify< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > unknown_idf< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / 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" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > unknown_idf< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > IDENTIFY_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. Assessment. < / b > < span class = "extract" > < span class = "extract-syntax" > ASSESS_IMP_DEFN_MTID< / span > < / span > is for parsing the preamble in more detail, later on.
At the start of assessment, this is called on each of the IDs belonging to the
family in turn.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > ASSESS_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > ASSESS_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > )< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::assess< / 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" > ImperativeDefinitionFamilies::assess< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP5_1" > § 5.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ASSESS_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > < span class = "extract" > < span class = "extract-syntax" > GIVEN_BODY_IMP_DEFN_MTID< / span > < / span > is called on an ID just after < span class = "extract" > < span class = "extract-syntax" > id-> body_of_defn< / span > < / span >
has finally been created.
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< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > GIVEN_BODY_IMP_DEFN_MTID< / span >
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< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > GIVEN_BODY_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > )< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::given_body< / 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" > ImperativeDefinitionFamilies::given_body< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP5_1" > § 5.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > GIVEN_BODY_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > Next, < span class = "extract" > < span class = "extract-syntax" > REGISTER_IMP_DEFN_MTID< / span > < / span > is then called on the family when all of the
< span class = "extract" > < span class = "extract-syntax" > ASSESS_IMP_DEFN_MTID< / span > < / span > calls have been made, and all the bodies created.
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< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > REGISTER_IMP_DEFN_MTID< / span >
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< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > REGISTER_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > )< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::register< / 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" > ImperativeDefinitionFamilies::register< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP5_2" > § 5.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL_WITHOUT_ARGUMENTS< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > REGISTER_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > A call to < span class = "extract" > < span class = "extract-syntax" > TO_RCD_IMP_DEFN_MTID< / span > < / span > is then made for each ID in turn, asking the
family to give the body its runtime context data.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > TO_RCD_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > TO_RCD_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ph_runtime_context_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rcd< / span > < span class = "plain-syntax" > )< / span >
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< span class = "identifier-syntax" > ph_runtime_context_data< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::to_phrcd< / 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" > ImperativeDefinitionFamilies::to_phrcd< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP5_3" > § 5.3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > at< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Frames::make_current< / span > < span class = "plain-syntax" > (& (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > body_of_defn< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > stack_frame< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ph_runtime_context_data< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > phrcd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::Context::new< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TO_RCD_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > , & < / span > < span class = "identifier-syntax" > phrcd< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Frames::remove_current< / 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" > phrcd< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > Finally, < span class = "extract" > < span class = "extract-syntax" > ASSESSMENT_COMPLETE_IMP_DEFN_MTID< / span > < / span > is called on the family when
everything has been assessed.
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< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > ASSESSMENT_COMPLETE_IMP_DEFN_MTID< / span >
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< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > ASSESSMENT_COMPLETE_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > )< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::assessment_complete< / 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" > ImperativeDefinitionFamilies::assessment_complete< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP5_4" > § 5.4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL_WITHOUT_ARGUMENTS< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ASSESSMENT_COMPLETE_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. What is allowed in the body. < / b > The body of the definition can for the most part be any Inform 7 code, but
there are a few restrictions which depend on what the definition family is.
< / p >
< p class = "commentary" > < span class = "extract" > < span class = "extract-syntax" > ALLOWS_RULE_ONLY_PHRASES_IMP_DEFN_MTID< / span > < / span > should reply < span class = "extract" > < span class = "extract-syntax" > TRUE< / span > < / span > if phrases
intended to end rules or rulebooks can be used in the body; by default, not.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > ALLOWS_RULE_ONLY_PHRASES_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > INT_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > ALLOWS_RULE_ONLY_PHRASES_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / 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" > ImperativeDefinitionFamilies::goes_in_rulebooks< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > INT_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ALLOWS_RULE_ONLY_PHRASES_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. < / b > < span class = "extract" > < span class = "extract-syntax" > ALLOWS_EMPTY_IMP_DEFN_MTID< / span > < / span > should reply < span class = "extract" > < span class = "extract-syntax" > TRUE< / span > < / span > if the body is allowed to
be empty, that is, for there to be no code at all. This happens for some
adjective definitions which wrap up in a single line. The default is no.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > ALLOWS_EMPTY_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > INT_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > ALLOWS_EMPTY_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > )< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::allows_empty< / 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" > ImperativeDefinitionFamilies::allows_empty< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP5_1" > § 5.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > INT_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ALLOWS_EMPTY_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP11" class = "paragraph-anchor" > < / a > < b > § 11. < / b > < span class = "extract" > < span class = "extract-syntax" > ALLOWS_INLINE_IMP_DEFN_MTID< / span > < / span > should reply < span class = "extract" > < span class = "extract-syntax" > TRUE< / span > < / span > if the definition body can
be given as < span class = "extract" > < span class = "extract-syntax" > (-< / span > < / span > inline < span class = "extract" > < span class = "extract-syntax" > -)< / span > < / span > material. The default is no.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > ALLOWS_INLINE_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > INT_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > ALLOWS_INLINE_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > )< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::allows_inline< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > INT_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ALLOWS_INLINE_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP12" class = "paragraph-anchor" > < / a > < b > § 12. Compilation and indexing. < / b > < span class = "extract" > < span class = "extract-syntax" > COMPILE_IMP_DEFN_MTID< / span > < / span > is called to ask the family to perform its main round
of compilation for any resources it will need — most obviously, of course,
it may want to turn its definition bodies into Inter functions.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > COMPILE_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > COMPILE_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / 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" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > )< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::compile< / 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" > ImperativeDefinitionFamilies::compile< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / 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" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > COMPILE_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP13" class = "paragraph-anchor" > < / a > < b > § 13. < / b > < span class = "extract" > < span class = "extract-syntax" > COMPILE_AS_NEEDED_IMP_DEFN_MTID< / span > < / span > is then called as an opportunity to
compile any remaining resources, and should pick up anything needed since the
last time it was called: note that it can be called multiple times.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > COMPILE_AS_NEEDED_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > VOID_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > COMPILE_AS_NEEDED_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / 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" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > )< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::compile_as_needed< / 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" > ImperativeDefinitionFamilies::compile_as_needed< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP7" > § 7< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / 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" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > VOID_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > COMPILE_AS_NEEDED_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > total_phrases_compiled< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > total_phrases_to_compile< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
2021-03-27 17:21:07 +02:00
< p class = "commentary firstcommentary" > < a id = "SP14" class = "paragraph-anchor" > < / a > < b > § 14. < / b > < span class = "extract" > < span class = "extract-syntax" > PHRASEBOOK_INDEX_IMP_DEFN_MTID< / span > < / span > should reply < span class = "extract" > < span class = "extract-syntax" > TRUE< / span > < / span > if the definition should
go into the Phrasebook page of the index.
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< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > PHRASEBOOK_INDEX_IMP_DEFN_MTID< / span >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > INT_METHOD_TYPE< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > PHRASEBOOK_INDEX_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn_family< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > f< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > )< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ImperativeDefinitionFamilies::include_in_Phrasebook_index< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > imperative_defn< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > INT_METHOD_CALL< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rv< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > PHRASEBOOK_INDEX_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > id< / 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" > rv< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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