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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 > To Phrase Family< / b > < / li > < / ul > < / div >
< p class = "purpose" > Imperative definitions of "To..." phrases.< / p >
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< ul class = "toc" > < li > < a href = "5-tpf.html#SP9" > § 9. Extracting the stem< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > < / 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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > "To award (some - number) points: ..."< / span >
< 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" > to_family_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" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pattern< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > prototype_text< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > constant_name< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > constant_phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > constant_phrase_holder< / 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" > explicit_name_used_in_maths< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > if so, this flag means it's like < / span > < span class = "extract" > < span class = "extract-syntax" > log()< / span > < / span > < span class = "comment-syntax" > or < / span > < span class = "extract" > < span class = "extract-syntax" > sin()< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > explicit_name_for_inverse< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > e.g. < / span > < span class = "extract" > < span class = "extract-syntax" > exp< / span > < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > log< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > to_begin< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > used in Basic mode only: this is to be the main phrase< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
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< ul class = "endnotetexts" > < li > The structure to_family_data is accessed in 5/rf and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > < / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::create_family< / 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" > ToPhraseFamily::create_family< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP7" > § 7< / 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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > = < / span > < a href = "5-id.html#SP1" class = "function-link" > < span class = "function-syntax" > ImperativeDefinitions::new_family< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "TO_PHRASE_EFF"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > CLAIM_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "5-tpf.html#SP4" class = "function-link" > < span class = "function-syntax" > ToPhraseFamily::claim< / span > < / a > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ASSESS_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "5-tpf.html#SP7" class = "function-link" > < span class = "function-syntax" > ToPhraseFamily::assess< / span > < / a > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > METHOD_ADD< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NEW_PHRASE_IMP_DEFN_MTID< / span > < span class = "plain-syntax" > , < / span > < a href = "5-tpf.html#SP8" class = "function-link" > < span class = "function-syntax" > ToPhraseFamily::new_phrase< / span > < / a > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > < / p >
< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < to-phrase-preamble> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {to}< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-tpf.html#SP3_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Issue PM_BareTo problem< / span > < span class = "named-paragraph-number" > 3.1< / span > < / a > < / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > (< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > called< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > )< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "5-tpf.html#SP3_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Issue PM_DontCallPhrasesWithCalled problem< / span > < span class = "named-paragraph-number" > 3.2< / span > < / a > < / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ...}< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > (< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > this< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > is< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > the< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > function}< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > inverse< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > )< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { 1, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ...}< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > (< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > this< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > is< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > the< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {###< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > function}< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > )< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { 2, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ...}< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > (< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > this< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > is< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > )< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { 3, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ...}< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { 4, - }< / span >
< / pre >
< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP3_1" class = "paragraph-anchor" > < / a > < b > § 3.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Issue PM_BareTo problem< / span > < span class = "named-paragraph-number" > 3.1< / span > < / span > < span class = "Preform-comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "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_BareTo< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "'to' what? No name is given"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which means that this would not define a new phrase."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > ==> { < / span > < span class = "constant-syntax" > 4< / span > < span class = "plain-syntax" > , - };< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-tpf.html#SP3" > § 3< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP3_2" class = "paragraph-anchor" > < / a > < b > § 3.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Issue PM_DontCallPhrasesWithCalled problem< / span > < span class = "named-paragraph-number" > 3.2< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > 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_DontCallPhrasesWithCalled< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "phrases aren't named using 'called'"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "and instead use 'this is...'. For example, 'To salute (called saluting)' "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "isn't allowed, but 'To salute (this is saluting)' is."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > ==> { < / span > < span class = "constant-syntax" > 4< / span > < span class = "plain-syntax" > , - };< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-tpf.html#SP3" > § 3< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > < / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > no_now_phrases< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::claim< / 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" > ToPhraseFamily::claim< / span > < / span > :< br / > < a href = "5-tpf.html#SP2" > § 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" > self< / 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" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Node::get_text< / 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 = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < to-phrase-preamble> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_used_in_maths< / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_for_inverse< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_phrase_holder< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > STORE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfd< / 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" > form< / span > < span class = "plain-syntax" > = < / span > < span class = "function-syntax" > < < r> > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > form< / span > < span class = "plain-syntax" > != < / span > < span class = "constant-syntax" > 4< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > RW< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < to-phrase-preamble> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < s-type-expression> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > RW< / span > < span class = "plain-syntax" > )) {< / span >
< 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_PhraseNameDuplicated< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "that name for this new phrase is not allowed"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "because it already has a meaning."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RW< / 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" > Phrases::Constants::parse< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > RW< / 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" > Phrases::Constants::create< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > RW< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < to-phrase-preamble> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > form< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > form< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_used_in_maths< / 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" > form< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_for_inverse< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Wordings::first_word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < to-phrase-preamble> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 3< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > prototype_text< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < to-phrase-preamble> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > As a safety measure, to avoid ambiguities, Inform only allows one phrase
definition to begin with "now". It recognises such phrases as those whose
preambles match:
< / p >
< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < now-phrase-preamble> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > now< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span >
< / pre >
< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > In basic mode (only), the To phrase "to begin" acts as something like
< span class = "extract" > < span class = "Preform-extract-syntax" > main< / span > < / span > in a C-like language, so we need to take note of where it's defined:
< / p >
< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < begin-phrase-preamble> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > to< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > begin< / span >
< / pre >
< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > < / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::assess< / 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" > ToPhraseFamily::assess< / span > < / span > :< br / > < a href = "5-tpf.html#SP2" > § 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" > self< / 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 = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > prototype_text< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::nonempty< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_name< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "5-tpf.html#SP7_1" class = "named-paragraph-link" > < span class = "named-paragraph" > The preamble parses to a named To phrase< / span > < span class = "named-paragraph-number" > 7.1< / 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 = "function-syntax" > < now-phrase-preamble> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > no_now_phrases< / span > < span class = "plain-syntax" > ++ == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > 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_RedefinedNow< / span > < span class = "plain-syntax" > ),< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "creating new variants on 'now' is not allowed"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "because 'now' plays a special role in the language. "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "It has a wide-ranging ability to make a condition "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "become immediately true. (To give it wider abilities, "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "the idea is to create new relations.)"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < begin-phrase-preamble> < / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > to_begin< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
2021-03-26 01:20:37 +02:00
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP7_1" class = "paragraph-anchor" > < / a > < b > § 7.1. < / b > When we parse a named phrase in coarse mode, we need to make sure that
name is registered as a constant value; when we parse it again in fine
mode, we can get that value back again if we look it up by name.
< / p >
< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > The preamble parses to a named To phrase< / span > < span class = "named-paragraph-number" > 7.1< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NW< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_name< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > constant_phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > cphr< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::Constants::parse< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NW< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Kinds::Behaviour::definite< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > cphr< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > cphr_kind< / 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" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ph< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::Constants::as_phrase< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > cphr< / 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" > ph< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Phrases::declaration_node< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ph< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > Diagrams::new_UNPARSED_NOUN< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Nouns::nominative_singular< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > cphr< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > )));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_wording< / span > < span class = "plain-syntax" > (2, < / span > < span class = "identifier-syntax" > Nouns::nominative_singular< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > cphr< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_NamedGeneric< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "I can't allow %1, because the phrase it gives a name to "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "is generic, that is, it has a kind which is too vague. "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "That means there isn't any single phrase which '%2' "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "could refer to - there would have to be different versions "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "for every setting where it might be needed, and we can't "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "predict in advance which one '%2' might need to be."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "CPHR failed at %d, %u\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > cphr< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > allocation_id< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > cphr< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > cphr_kind< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_phrase_holder< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > cphr< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "5-tpf.html#SP7" > § 7< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > < / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::new_phrase< / 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" > ToPhraseFamily::new_phrase< / span > < / span > :< br / > < a href = "5-tpf.html#SP2" > § 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" > self< / 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 = "identifier-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > new_ph< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > to_begin< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > new_ph< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > to_begin< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Routines::ToPhrases::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > new_ph< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
2021-03-26 17:04:34 +02:00
< span class = "identifier-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ToPhraseFamily::inverse< / 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" > ToPhraseFamily::inverse< / span > < / span > :< br / > Equations - < a href = "6-eqt.html#SP41_3_2" > § 41.3.2< / 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 = "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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::nonempty< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_for_inverse< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ph< / 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" > ph< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > phrase< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > = < / span > < a href = "5-tpf.html#SP8" class = "function-link" > < span class = "function-syntax" > ToPhraseFamily::get_equation_form< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ph< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::nonempty< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::match< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_for_inverse< / 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" > ph< / 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" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "identifier-syntax" > constant_phrase< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > ToPhraseFamily::constant_phrase< / 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" > 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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_phrase_holder< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::constant_name< / 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" > 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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_name< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::has_name_as_constant< / 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" > ToPhraseFamily::has_name_as_constant< / span > < / span > :< br / > Imperative Definitions - < a href = "5-id.html#SP11_7" > § 11.7< / 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" > 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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_phrase_holder< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_used_in_maths< / 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" > Wordings::nonempty< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Nouns::nominative_singular< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_phrase_holder< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / 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 >
< span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::get_equation_form< / 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" > ToPhraseFamily::get_equation_form< / span > < / span > :< br / > Equations - < a href = "6-eqt.html#SP19" > § 19< / 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" > 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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > explicit_name_used_in_maths< / 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" > Wordings::first_word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Nouns::nominative_singular< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > constant_phrase_holder< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / 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" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. Extracting the stem. < / b > A couple of routines to read but not really parse the stem and the bud.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > ToPhraseFamily::get_prototype_text< / 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" > 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" > TO_PHRASE_EFF_family< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > to_family_data< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfd< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RETRIEVE_POINTER_to_family_data< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > id< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > family_specific_data< / 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" > tfd< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > prototype_text< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2021-03-26 01:20:37 +02:00
< / pre >
< nav role = "progress" > < div class = "progresscontainer" >
< ul class = "progressbar" > < li class = "progressprev" > < a href = "5-adf.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-am.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-bv.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-dlr.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-nr.html" > 4< / a > < / li > < li class = "progresscurrentchapter" > 5< / li > < li class = "progresssection" > < a href = "5-id.html" > id< / a > < / li > < li class = "progresssection" > < a href = "5-adf.html" > adf< / a > < / li > < li class = "progresscurrent" > tpf< / li > < li class = "progresssection" > < a href = "5-rf.html" > rf< / a > < / li > < li class = "progresschapter" > < a href = "6-tc.html" > 6< / a > < / li > < li class = "progresschapter" > < a href = "7-kpr.html" > 7< / a > < / li > < li class = "progressnext" > < a href = "5-rf.html" > ❯ < / a > < / li > < / ul > < / div >
< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >
