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<!-- Weave of 'Cardinals and Ordinals' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../compiler.html" > Services< / a > < / li > < li > < a href = "index.html" > linguistics< / a > < / li > < li > < a href = "index.html#2" > Chapter 2: Grammatical Categories I< / a > < / li > < li > < b > Cardinals and Ordinals< / b > < / li > < / ul > < / div >
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< p class = "purpose" > To parse integers seen from a grammatical point of view.< / p >
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< ul class = "toc" > < li > < a href = "2-cao.html#SP1" > § 1. Cardinal and ordinal numbers< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" > < / a > < b > § 1. Cardinal and ordinal numbers. < / b > We read a few low numbers in text, but larger numbers only in digits. Textual
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numbers run from 0 to 12 since that's what clocks need.
< / p >
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< p class = "commentary" > By a cardinal we mean a number such as < span class = "extract" > < span class = "extract-syntax" > five< / span > < / span > or < span class = "extract" > < span class = "extract-syntax" > 351< / span > < / span > .
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< / p >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < cardinal-number-in-words> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > zero< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > one< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > two< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > three< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > four< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > five< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > six< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > seven< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > eight< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > nine< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ten< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > eleven< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > twelve< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2" > < / a > < b > § 2. < / b > And by an ordinal we mean a number such as < span class = "extract" > < span class = "Preform-extract-syntax" > fifth< / span > < / span > or < span class = "extract" > < span class = "Preform-extract-syntax" > 351st< / span > < / span > ; note that
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this is not a noun, and isn't allowed as a constant value in Inform.
< / p >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < ordinal-number-in-words> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > zeroth< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > first< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > second< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > third< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > fourth< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > fifth< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > sixth< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > seventh< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > eighth< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > ninth< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > tenth< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > eleventh< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > twelfth< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP3" > < / a > < b > § 3. < / b > Those two nonterminals here simply supply text: for efficiency reasons we
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don't actually parse them, although they would give the correct response if
we did. Instead they're scanned for words which are marked with the appropriate
numbers.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Cardinals::preform_optimiser< / 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" > Cardinals::preform_optimiser< / span > < / span > :< br / > Linguistics Module - < a href = "1-lm.html#SP5" > § 5< / 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" > NTI::every_word_in_match_must_have_my_NTI_bit< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < cardinal-number> < / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NTI::every_word_in_match_must_have_my_NTI_bit< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < ordinal-number> < / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wn< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > wn< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > lexer_wordcount< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > wn< / 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" > Vocabulary::test_flags< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wn< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NUMBER_MC< / span > < span class = "plain-syntax" > ))< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-cao.html#SP3" class = "function-link" > < span class = "function-syntax" > Cardinals::mark_as_cardinal< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Lexer::word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wn< / 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" > Vocabulary::test_flags< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wn< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ORDINAL_MC< / span > < span class = "plain-syntax" > ))< / span >
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< span class = "plain-syntax" > < / span > < a href = "2-cao.html#SP3" class = "function-link" > < span class = "function-syntax" > Cardinals::mark_as_ordinal< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Lexer::word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wn< / span > < span class = "plain-syntax" > ));< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Cardinals::mark_as_cardinal< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > vocabulary_entry< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ve< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NTI::mark_vocabulary< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ve< / span > < span class = "plain-syntax" > , < / span > < span class = "function-syntax" > < cardinal-number> < / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Cardinals::mark_as_ordinal< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > vocabulary_entry< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ve< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NTI::mark_vocabulary< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ve< / span > < span class = "plain-syntax" > , < / span > < span class = "function-syntax" > < ordinal-number> < / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Cardinals::enable_in_word_form< / 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" > Cardinals::enable_in_word_form< / span > < / span > :< br / > Linguistics Module - < a href = "1-lm.html#SP3" > § 3< / 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" > NTI::give_nt_reserved_incidence_bit< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < cardinal-number> < / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > CARDINAL_RES_NT_BIT< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NTI::give_nt_reserved_incidence_bit< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < ordinal-number> < / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ORDINAL_RES_NT_BIT< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Nonterminals::make_numbering< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < cardinal-number-in-words> < / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Nonterminals::flag_words_with< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < cardinal-number-in-words> < / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NUMBER_MC< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Nonterminals::make_numbering< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < ordinal-number-in-words> < / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Nonterminals::flag_words_with< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < ordinal-number-in-words> < / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ORDINAL_MC< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" > < / a > < b > § 4. < / b > Actual parsing is done here. We look at a single word to see if it's a
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number literal: either one of the named cases above, or a number written out
in decimal digits, perhaps with a minus sign.
< / p >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < cardinal-number> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > internal< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > 1< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > if< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Vocabulary::test_flags< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Wordings::first_wn< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > W< / span > < span class = "Preform-plain-syntax" > ), < / span > < span class = "Preform-identifier-syntax" > NUMBER_MC< / span > < span class = "Preform-plain-syntax" > )) {< / span >
< span class = "Preform-plain-syntax" > *< / span > < span class = "Preform-identifier-syntax" > X< / span > < span class = "Preform-plain-syntax" > = < / span > < span class = "Preform-identifier-syntax" > Vocabulary::get_literal_number_value< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Lexer::word< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Wordings::first_wn< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > W< / span > < span class = "Preform-plain-syntax" > )));< / span >
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< span class = "Preform-plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-cao.html#SP4_1" class = "named-paragraph-link" > < span class = "named-paragraph" > In Inform 7 only, check that the number is representable in the VM< / span > < span class = "named-paragraph-number" > 4.1< / span > < / a > < / span > < span class = "Preform-plain-syntax" > ;< / span >
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< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > return< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-identifier-syntax" > TRUE< / span > < span class = "Preform-plain-syntax" > ;< / span >
< span class = "Preform-plain-syntax" > }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > return< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-identifier-syntax" > FALSE< / span > < span class = "Preform-plain-syntax" > ;< / span >
< span class = "Preform-plain-syntax" > }< / span >
< span class = "Preform-function-syntax" > < ordinal-number> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > internal< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > 1< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > if< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Vocabulary::test_flags< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Wordings::first_wn< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > W< / span > < span class = "Preform-plain-syntax" > ), < / span > < span class = "Preform-identifier-syntax" > ORDINAL_MC< / span > < span class = "Preform-plain-syntax" > )) {< / span >
< span class = "Preform-plain-syntax" > *< / span > < span class = "Preform-identifier-syntax" > X< / span > < span class = "Preform-plain-syntax" > = < / span > < span class = "Preform-identifier-syntax" > Vocabulary::get_literal_number_value< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Lexer::word< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Wordings::first_wn< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > W< / span > < span class = "Preform-plain-syntax" > )));< / span >
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< span class = "Preform-plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "2-cao.html#SP4_1" class = "named-paragraph-link" > < span class = "named-paragraph" > In Inform 7 only, check that the number is representable in the VM< / span > < span class = "named-paragraph-number" > 4.1< / span > < / a > < / span > < span class = "Preform-plain-syntax" > ;< / span >
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< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > return< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-identifier-syntax" > TRUE< / span > < span class = "Preform-plain-syntax" > ;< / span >
< span class = "Preform-plain-syntax" > }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > return< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-identifier-syntax" > FALSE< / span > < span class = "Preform-plain-syntax" > ;< / span >
< span class = "Preform-plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP4_1" > < / a > < b > § 4.1. < / b > These mustn't match any number too large to fit into the virtual machine
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being compiled to, so "42000", for instance, is not a valid literal if Inform
is parsing text in a work intended for the 16-bit Z-machine.
< / p >
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< p class = "commentary" > Why do we catch this here? The answer is probably that it's an excess of
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caution, but this is a rare case where the choice of virtual machine affects
the legal syntax for Inform source text — text originally written for use on
Glulx, which allows for larger integers, might be moved over to a Z-machine
project, with the user not realising the consequences.
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > In Inform 7 only, check that the number is representable in the VM< / span > < span class = "named-paragraph-number" > 4.1< / span > < / span > < span class = "Preform-comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > #< / span > < span class = "identifier-syntax" > ifdef< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CORE_MODULE< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > FundamentalConstants::veto_number< / span > < span class = "plain-syntax" > (*< / span > < span class = "identifier-syntax" > X< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > to prevent repetitions:< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Vocabulary::set_literal_number_value< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Lexer::word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::first_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )), < / span > < span class = "constant-syntax" > 1< / 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 = "plain-syntax" > #< / span > < span class = "identifier-syntax" > endif< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "2-cao.html#SP4" > § 4< / a > (twice).< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP5" > < / a > < b > § 5. < / b > A small variation which lifts this restriction on the number range:
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< / p >
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< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < cardinal-number-unlimited> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > internal< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > 1< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > if< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Vocabulary::test_flags< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Wordings::first_wn< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > W< / span > < span class = "Preform-plain-syntax" > ), < / span > < span class = "Preform-identifier-syntax" > NUMBER_MC< / span > < span class = "Preform-plain-syntax" > )) {< / span >
< span class = "Preform-plain-syntax" > *< / span > < span class = "Preform-identifier-syntax" > X< / span > < span class = "Preform-plain-syntax" > = < / span > < span class = "Preform-identifier-syntax" > Vocabulary::get_literal_number_value< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Lexer::word< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > Wordings::first_wn< / span > < span class = "Preform-plain-syntax" > (< / span > < span class = "Preform-identifier-syntax" > W< / span > < span class = "Preform-plain-syntax" > )));< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > return< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-identifier-syntax" > TRUE< / span > < span class = "Preform-plain-syntax" > ;< / span >
< span class = "Preform-plain-syntax" > }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > return< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-identifier-syntax" > FALSE< / span > < span class = "Preform-plain-syntax" > ;< / span >
< span class = "Preform-plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "2-aap.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-lm.html" > 1< / a > < / li > < li class = "progresscurrentchapter" > 2< / li > < li class = "progresssection" > < a href = "2-aap.html" > aap< / a > < / li > < li class = "progresscurrent" > cao< / li > < li class = "progresssection" > < a href = "2-daq.html" > daq< / a > < / li > < li class = "progresssection" > < a href = "2-adj.html" > adj< / a > < / li > < li class = "progresssection" > < a href = "2-au.html" > au< / a > < / li > < li class = "progresssection" > < a href = "2-nns.html" > nns< / a > < / li > < li class = "progresschapter" > < a href = "3-vrb.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-dgr.html" > 4< / a > < / li > < li class = "progressnext" > < a href = "2-daq.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >
