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< / ul > < h2 > Foundation Module< / h2 > < ul >
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<!-- Weave of 'Programming Languages' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "index.html" > inweb< / a > < / li > < li > < a href = "index.html#4" > Chapter 4: Languages< / a > < / li > < li > < b > Programming Languages< / b > < / li > < / ul > < / div >
< p class = "purpose" > Defining the programming languages supported by Inweb, loading in their definitions from files.< / p >
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< ul class = "toc" > < li > < a href = "4-pl.html#SP1" > § 1. Languages< / a > < / li > < li > < a href = "4-pl.html#SP9" > § 9. Blocks< / a > < / li > < li > < a href = "4-pl.html#SP11" > § 11. Colouring Rules< / a > < / li > < li > < a href = "4-pl.html#SP14" > § 14. Reserved words< / a > < / li > < li > < a href = "4-pl.html#SP15" > § 15. Expressions< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. Languages. < / b > Programming languages are identified by name: for example, < span class = "extract" > < span class = "extract-syntax" > C++< / span > < / span > or < span class = "extract" > < span class = "extract-syntax" > Perl< / span > < / span > .
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< / p >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::find_by_name< / 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" > Languages::find_by_name< / span > < / span > :< br / > < a href = "4-pl.html#SP3" > § 3< / a > < br / > The Reader - < a href = "2-tr.html#SP4_2" > § 4.2< / a > , < a href = "2-tr.html#SP4_3" > § 4.3< / a > , < a href = "2-tr.html#SP4_4" > § 4.4< / a > < br / > The Parser - < a href = "2-tp.html#SP1_1_7_7" > § 1.1.7.7< / a > < br / > The Weaver - < a href = "3-tw.html#SP2_7_2_3_2_1" > § 2.7.2.3.2.1< / a > < br / > Language Methods - < a href = "4-lm.html#SP25" > § 25< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > lname< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > web< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > error_if_not_found< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP2_1" class = "named-paragraph-link" > < span class = "named-paragraph" > If this is the name of a language already known, return that< / span > < span class = "named-paragraph-number" > 2.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP2_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Read the language definition file with this name< / span > < span class = "named-paragraph-number" > 2.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::ne< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > lname< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP2" class = "function-link" > < span class = "function-syntax" > Errors::fatal_with_text< / span > < / a > < span class = "plain-syntax" > (< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "definition of programming language '%S' is for something else"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > lname< / 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" > pl< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2_1" class = "paragraph-anchor" > < / a > < b > § 2.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > If this is the name of a language already known, return that< / span > < span class = "named-paragraph-number" > 2.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > lname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_name< / span > < span class = "plain-syntax" > ))< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_2" class = "paragraph-anchor" > < / a > < b > § 2.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Read the language definition file with this name< / span > < span class = "named-paragraph-number" > 2.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > F< / 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" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pathname< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/3-pth.html#SP4" class = "function-link" > < span class = "function-syntax" > Pathnames::down< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > md< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > path_to_web< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Dialects"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP2_2_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Try P< / span > < span class = "named-paragraph-number" > 2.2.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > pathname< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP5" class = "function-link" > < span class = "function-syntax" > Languages::default_directory< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP2_2_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Try P< / span > < span class = "named-paragraph-number" > 2.2.1< / span > < / a > < / 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" > F< / 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" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > error_if_not_found< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP2" class = "function-link" > < span class = "function-syntax" > Errors::fatal_with_text< / span > < / a > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "unsupported programming language '%S'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > lname< / 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 >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP7" class = "function-link" > < span class = "function-syntax" > Languages::read_definition< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_2_1" class = "paragraph-anchor" > < / a > < b > § 2.2.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Try P< / span > < span class = "named-paragraph-number" > 2.2.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / 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" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leaf< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leaf< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%S.ildf"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > lname< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/3-fln.html#SP2" class = "function-link" > < span class = "function-syntax" > Filenames::in< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > leaf< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leaf< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-tf.html#SP1" class = "function-link" > < span class = "function-syntax" > TextFiles::exists< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > F< / 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 >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP2_2" > § 2.2< / a > (twice).< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > I'm probably showing my age here.
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::default< / 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" > Languages::default< / span > < / span > :< br / > The Reader - < a href = "2-tr.html#SP4_2" > § 4.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > web< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP2" class = "function-link" > < span class = "function-syntax" > Languages::find_by_name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "C"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / 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" > Languages::show< / 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" > Languages::show< / span > < / span > :< br / > Program Control - < a href = "1-pc.html#SP7_2" > § 7.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Inweb can see the following programming language definitions:\n\n"< / 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" > N< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NUMBER_CREATED< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > **< / span > < span class = "identifier-syntax" > sorted_table< / span > < span class = "plain-syntax" > =< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/2-mmr.html#SP24" class = "function-link" > < span class = "function-syntax" > Memory::calloc< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > N< / span > < span class = "plain-syntax" > , (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > sizeof< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *), < / span > < span class = "constant-syntax" > ARRAY_SORTING_MREASON< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pl< / 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" > pl< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > sorted_table< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++] = < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > qsort< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > sorted_table< / span > < span class = "plain-syntax" > , (< / span > < span class = "identifier-syntax" > size_t< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > N< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > sizeof< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *), < / span > < a href = "4-pl.html#SP4" class = "function-link" > < span class = "function-syntax" > Languages::compare_names< / span > < / a > < 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" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > N< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > sorted_table< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ];< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%S: %S\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_details< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/2-mmr.html#SP26" class = "function-link" > < span class = "function-syntax" > Memory::I7_free< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > sorted_table< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ARRAY_SORTING_MREASON< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > N< / span > < span class = "plain-syntax" > *((< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > sizeof< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > programming_language< / 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" class = "paragraph-anchor" > < / a > < b > § 4. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::compare_names< / 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" > Languages::compare_names< / span > < / span > :< br / > < a href = "4-pl.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > const< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ent1< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > const< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ent2< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tx1< / span > < span class = "plain-syntax" > = (*((< / span > < span class = "reserved-syntax" > const< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > **) < / span > < span class = "identifier-syntax" > ent1< / span > < span class = "plain-syntax" > ))-> < / span > < span class = "element-syntax" > language_name< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tx2< / span > < span class = "plain-syntax" > = (*((< / span > < span class = "reserved-syntax" > const< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > **) < / span > < span class = "identifier-syntax" > ent2< / span > < span class = "plain-syntax" > ))-> < / span > < span class = "element-syntax" > language_name< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP20" class = "function-link" > < span class = "function-syntax" > Str::cmp_insensitive< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tx1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tx2< / 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 = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > We can read every language in a directory:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::read_definitions< / 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" > Languages::read_definitions< / span > < / span > :< br / > Program Control - < a href = "1-pc.html#SP7_2" > § 7.2< / a > < br / > Configuration - < a href = "1-cnf.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > pathname< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / 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" > P< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP5" class = "function-link" > < span class = "function-syntax" > Languages::default_directory< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > scan_directory< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/3-drc.html#SP2" class = "function-link" > < span class = "function-syntax" > Directories::open< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > while< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/3-drc.html#SP2" class = "function-link" > < span class = "function-syntax" > Directories::next< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/1-wp.html#SP4" class = "function-link" > < span class = "function-syntax" > Platform::is_folder_separator< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_last_char< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > )) == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/3-fln.html#SP2" class = "function-link" > < span class = "function-syntax" > Filenames::in< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP7" class = "function-link" > < span class = "function-syntax" > Languages::read_definition< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > leafname< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-drc.html#SP2" class = "function-link" > < span class = "function-syntax" > Directories::close< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > D< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > pathname< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::default_directory< / 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" > Languages::default_directory< / span > < / span > :< br / > < a href = "4-pl.html#SP2_2" > § 2.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-pth.html#SP4" class = "function-link" > < span class = "function-syntax" > Pathnames::down< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > path_to_inweb< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Languages"< / 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 = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > So, then, languages are defined by files which are read in, and parsed
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into the following structure (one per language):
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > language_name< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > identifies it: see above< / span >
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< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > then a great many fields set directly in the definition file:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > file_extension< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > by default output to a file whose name has this extension< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > language_details< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > brief explanation of what language is< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > supports_namespaces< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > line_comment< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > whole_line_comment< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > multiline_comment_open< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > multiline_comment_close< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > string_literal< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > string_literal_escape< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > character_literal< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > character_literal_escape< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > binary_literal_prefix< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > octal_literal_prefix< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > hexadecimal_literal_prefix< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > negative_literal_prefix< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > shebang< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > line_marker< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > before_macro_expansion< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > after_macro_expansion< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > start_definition< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prolong_definition< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > end_definition< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > start_ifdef< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > end_ifdef< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > start_ifndef< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > end_ifndef< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > type_notation< / span > < span class = "plain-syntax" > [< / span > < span class = "constant-syntax" > MAX_ILDF_REGEXP_LENGTH< / span > < span class = "plain-syntax" > ];< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > function_notation< / span > < span class = "plain-syntax" > [< / span > < span class = "constant-syntax" > MAX_ILDF_REGEXP_LENGTH< / 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" > suppress_disclaimer< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > C_like< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > languages with this set have access to extra features< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > reserved_words< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of < / span > < span class = "extract" > < span class = "extract-syntax" > reserved_word< / span > < / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > hash_table< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > built_in_keywords< / 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 = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > algorithm for syntax colouring< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > method_set< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > methods< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "constant-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure programming_language is accessed in 2/mth, 1/pc, 3/tt, 4/taf, 4/lm, 4/as, 4/tp, 5/fm, 5/hf, 5/df and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > This is a simple one-pass compiler. The < span class = "extract" > < span class = "extract-syntax" > language_reader_state< / span > < / span > provides
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the only state preserved as we work through line by line, except of course
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that we are also working on the programming language it is < span class = "extract" > < span class = "extract-syntax" > defining< / span > < / span > . The
< span class = "extract" > < span class = "extract-syntax" > current_block< / span > < / span > is the braced block of colouring instructions we are
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currently inside.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< 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" > language_reader_state< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > defining< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > current_block< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > language_reader_state< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::read_definition< / 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" > Languages::read_definition< / span > < / span > :< br / > < a href = "4-pl.html#SP2_2" > § 2.2< / a > , < a href = "4-pl.html#SP5" > § 5< / a > < br / > Configuration - < a href = "1-cnf.html#SP3" > § 3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP7_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Initialise the language to a plain-text state< / span > < span class = "named-paragraph-number" > 7.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > language_reader_state< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lrs< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lrs< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > defining< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > lrs< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > current_block< / 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 > < a href = "../foundation-module/4-tf.html#SP5" class = "function-link" > < span class = "function-syntax" > TextFiles::read< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "can't open programming language definition file"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > , < / span > < a href = "4-pl.html#SP8" class = "function-link" > < span class = "function-syntax" > Languages::read_definition_line< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *) & < / span > < span class = "identifier-syntax" > lrs< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP7_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Add method calls to the language< / span > < span class = "named-paragraph-number" > 7.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure language_reader_state is private to this section.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP7_1" class = "paragraph-anchor" > < / a > < b > § 7.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Initialise the language to a plain-text state< / span > < span class = "named-paragraph-number" > 7.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_name< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > file_extension< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > supports_namespaces< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > line_comment< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > whole_line_comment< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > multiline_comment_open< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > multiline_comment_close< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > string_literal< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > string_literal_escape< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > character_literal< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > character_literal_escape< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > binary_literal_prefix< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > octal_literal_prefix< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > hexadecimal_literal_prefix< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > negative_literal_prefix< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > shebang< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > line_marker< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > before_macro_expansion< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > after_macro_expansion< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > start_definition< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > prolong_definition< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > end_definition< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > start_ifdef< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > end_ifdef< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > start_ifndef< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > end_ifndef< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > C_like< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > suppress_disclaimer< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > type_notation< / span > < span class = "plain-syntax" > [0] = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_notation< / span > < span class = "plain-syntax" > [0] = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > reserved_words< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > reserved_word< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > built_in_keywords< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > analysis_hash_initialised< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > program< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > methods< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/2-mth.html#SP2" class = "function-link" > < span class = "function-syntax" > Methods::new_set< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP7" > § 7< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP7_2" class = "paragraph-anchor" > < / a > < b > § 7.2. < / b > Note that there are two levels of extra privilege: any language calling
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itself C-like has functionality for function and structure definitions;
the language whose name is InC gets even more, without having to ask.
< / p >
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< p class = "commentary" > Languages have effect through their method calls, which is how those
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extra features are provided. The call to < span class = "extract" > < span class = "extract-syntax" > ACMESupport::add_fallbacks< / span > < / span >
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adds generic method calls to give effect to the settings in the definition.
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Add method calls to the language< / span > < span class = "named-paragraph-number" > 7.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > C_like< / span > < span class = "plain-syntax" > ) < / span > < a href = "4-cl.html#SP1" class = "function-link" > < span class = "function-syntax" > CLike::make_c_like< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "InC"< / span > < span class = "plain-syntax" > )) < / span > < a href = "4-is.html#SP1" class = "function-link" > < span class = "function-syntax" > InCSupport::add_features< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "4-as.html#SP1" class = "function-link" > < span class = "function-syntax" > ACMESupport::add_fallbacks< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP7" > § 7< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > So, then, the above reads the file and feeds it line by line to this:
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::read_definition_line< / span > < button class = "popup" onclick = "togglePopup('usagePopup8')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup8" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::read_definition_line< / span > < / span > :< br / > < a href = "4-pl.html#SP7" > § 7< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > v_state< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > language_reader_state< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > language_reader_state< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > v_state< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > defining< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP24" class = "function-link" > < span class = "function-syntax" > Str::trim_white_space< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > ); < / span > < span class = "comment-syntax" > ignore trailing space< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > ignore blank lines< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_first_char< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '#'< / span > < span class = "plain-syntax" > ) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > lines opening with < / span > < span class = "extract" > < span class = "extract-syntax" > #< / span > < / span > < span class = "comment-syntax" > are comments< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > match_results< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-pm.html#SP9" class = "function-link" > < span class = "function-syntax" > Regexp::create_mr< / span > < / a > < 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" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP8_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Syntax inside a colouring program< / span > < span class = "named-paragraph-number" > 8.2< / span > < / a > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP8_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Syntax outside a colouring program< / span > < span class = "named-paragraph-number" > 8.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-pm.html#SP9" class = "function-link" > < span class = "function-syntax" > Regexp::dispose_of< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / 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 = "SP8_1" class = "paragraph-anchor" > < / a > < b > § 8.1. < / b > Outside a colouring program, you can do three things: start a program,
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declare a reserved keyword, or set a key to a value.
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Syntax outside a colouring program< / span > < span class = "named-paragraph-number" > 8.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "colouring {"< / 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" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > program< / span > < span class = "plain-syntax" > ) < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "duplicate colouring program"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > program< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > WHOLE_LINE_CRULE_RUN< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > program< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "keyword (%C+) of (%c+?)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP14" class = "function-link" > < span class = "function-syntax" > Languages::reserved< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > , < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ), < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [1], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "keyword (%C+)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP14" class = "function-link" > < span class = "function-syntax" > Languages::reserved< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > , < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ), < / span > < span class = "constant-syntax" > RESERVED_COLOUR< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%c+) *: *(%c+?)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], *< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP3" class = "function-link" > < span class = "function-syntax" > Str::duplicate< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [1]);< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Name"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_name< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Details"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_details< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Extension"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > file_extension< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Line Comment"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > line_comment< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Whole Line Comment"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > whole_line_comment< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Multiline Comment Open"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > multiline_comment_open< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Multiline Comment Close"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > multiline_comment_close< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "String Literal"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > string_literal< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "String Literal Escape"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > string_literal_escape< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Character Literal"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > character_literal< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Character Literal Escape"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > character_literal_escape< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Binary Literal Prefix"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > binary_literal_prefix< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Octal Literal Prefix"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > octal_literal_prefix< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Hexadecimal Literal Prefix"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > hexadecimal_literal_prefix< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Negative Literal Prefix"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > negative_literal_prefix< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Shebang"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > shebang< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Line Marker"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > line_marker< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Before Named Paragraph Expansion"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > before_macro_expansion< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "After Named Paragraph Expansion"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > after_macro_expansion< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Start Definition"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > start_definition< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Prolong Definition"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > prolong_definition< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "End Definition"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > end_definition< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Start Ifdef"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > start_ifdef< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Start Ifndef"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > start_ifndef< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "End Ifdef"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > end_ifdef< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "End Ifndef"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > end_ifndef< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "C-Like"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > C_like< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP16" class = "function-link" > < span class = "function-syntax" > Languages::boolean< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Suppress Disclaimer"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > suppress_disclaimer< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP16" class = "function-link" > < span class = "function-syntax" > Languages::boolean< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Supports Namespaces"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > supports_namespaces< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP16" class = "function-link" > < span class = "function-syntax" > Languages::boolean< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Function Declaration Notation"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_notation< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > key< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Type Declaration Notation"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > type_notation< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > value< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "unknown property name before ':'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "line in language definition illegible"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP8" > § 8< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP8_2" class = "paragraph-anchor" > < / a > < b > § 8.2. < / b > Inside a colouring program, you can close the current block (which may be
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the entire program), open a new block to apply to each character or to
runs of a given colour, or give an if-X-then-Y rule:
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Syntax inside a colouring program< / span > < span class = "named-paragraph-number" > 8.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "}"< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > parent< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "characters {"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP12" class = "function-link" > < span class = "function-syntax" > Languages::new_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > =< / span >
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< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > CHARACTERS_CRULE_RUN< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "characters in (%c+) {"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP12" class = "function-link" > < span class = "function-syntax" > Languages::new_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > =< / span >
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< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > CHARACTERS_IN_CRULE_RUN< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > char_set< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "runs of (%c+) {"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP12" class = "function-link" > < span class = "function-syntax" > Languages::new_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > );< / span >
2020-07-05 20:22:57 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > r< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > UNQUOTED_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::ne< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "unquoted"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > r< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
2020-07-05 20:22:57 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > , (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > r< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "instances of (%c+) {"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP12" class = "function-link" > < span class = "function-syntax" > Languages::new_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > INSTANCES_CRULE_RUN< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > run_instance< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "matches of (%c+) {"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP12" class = "function-link" > < span class = "function-syntax" > Languages::new_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > MATCHES_CRULE_RUN< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_regexp_text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "brackets in (%c+) {"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP12" class = "function-link" > < span class = "function-syntax" > Languages::new_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > BRACKETS_CRULE_RUN< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_regexp_text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / 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 = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > = -1, < / span > < span class = "identifier-syntax" > quoted< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< 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" > i< / span > < span class = "plain-syntax" > =0; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < a href = "../foundation-module/4-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > )-1; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > quoted< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > quoted< / span > < span class = "plain-syntax" > ?< / span > < span class = "identifier-syntax" > FALSE: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" > quoted< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++;< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > quoted< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ) & & < / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '='< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1) == < / span > < span class = "character-syntax" > '> '< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 16:55:17 +00:00
< 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" > at< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
2020-06-27 22:03:14 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > conclusion< / span > < span class = "plain-syntax" > )< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP26" class = "function-link" > < span class = "function-syntax" > Str::substr< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < a href = "../foundation-module/4-sm.html#SP10" class = "function-link" > < span class = "function-syntax" > Str::start< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > ), < / span > < a href = "../foundation-module/4-sm.html#SP10" class = "function-link" > < span class = "function-syntax" > Str::at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP26" class = "function-link" > < span class = "function-syntax" > Str::substr< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > conclusion< / span > < span class = "plain-syntax" > , < / span > < a href = "../foundation-module/4-sm.html#SP10" class = "function-link" > < span class = "function-syntax" > Str::at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > at< / span > < span class = "plain-syntax" > +2), < / span > < a href = "../foundation-module/4-sm.html#SP10" class = "function-link" > < span class = "function-syntax" > Str::end< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > line< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP13" class = "function-link" > < span class = "function-syntax" > Languages::parse_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > conclusion< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > conclusion< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "line in colouring block illegible"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP8" > § 8< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. Blocks. < / b > These are code blocks of colouring instructions. A block whose < span class = "extract" > < span class = "extract-syntax" > parent< / span > < / span > is < span class = "extract" > < span class = "extract-syntax" > NULL< / span > < / span >
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represents a complete program.
< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > WHOLE_LINE_CRULE_RUN< / span > < span class = "plain-syntax" > -1 < / span > < span class = "comment-syntax" > This block applies to the whole snippet being coloured< / span >
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< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > CHARACTERS_CRULE_RUN< / span > < span class = "plain-syntax" > -2 < / span > < span class = "comment-syntax" > This block applies to each character in turn< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > CHARACTERS_IN_CRULE_RUN< / span > < span class = "plain-syntax" > -3 < / span > < span class = "comment-syntax" > This block applies to each character from a set in turn< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > INSTANCES_CRULE_RUN< / span > < span class = "plain-syntax" > -4 < / span > < span class = "comment-syntax" > This block applies to each instance in turn< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > MATCHES_CRULE_RUN< / span > < span class = "plain-syntax" > -5 < / span > < span class = "comment-syntax" > This block applies to each match against a regexp in turn< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > BRACKETS_CRULE_RUN< / span > < span class = "plain-syntax" > -6 < / span > < span class = "comment-syntax" > This block applies to bracketed subexpressions in a regexp< / span >
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< / pre >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_language_block< / 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 = "reserved-syntax" > linked_list< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rules< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of < / span > < span class = "extract" > < span class = "extract-syntax" > colouring_rule< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > parent< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > or < / span > < span class = "extract" > < span class = "extract-syntax" > NULL< / span > < / span > < span class = "comment-syntax" > for the topmost one< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > run< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > one of the < / span > < span class = "extract" > < span class = "extract-syntax" > *_CRULE_RUN< / span > < / span > < span class = "comment-syntax" > values, or else a colour< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > run_instance< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > used only for < / span > < span class = "extract" > < span class = "extract-syntax" > INSTANCES_CRULE_RUN< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > char_set< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > used only for < / span > < span class = "extract" > < span class = "extract-syntax" > CHARACTERS_IN_CRULE_RUN< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > match_regexp_text< / span > < span class = "plain-syntax" > [< / span > < span class = "constant-syntax" > MAX_ILDF_REGEXP_LENGTH< / span > < span class = "plain-syntax" > ]; < / span > < span class = "comment-syntax" > used for < / span > < span class = "extract" > < span class = "extract-syntax" > MATCHES_CRULE_RUN< / span > < / span > < span class = "comment-syntax" > , < / span > < span class = "extract" > < span class = "extract-syntax" > BRACKETS_CRULE_RUN< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > workspace during painting< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > match_results< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of a regular expression< / span >
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< span class = "plain-syntax" > < / span > < span class = "constant-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure colouring_language_block is accessed in 2/trs, 4/tp, 5/tf, 5/hf and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::new_block< / span > < button class = "popup" onclick = "togglePopup('usagePopup9')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup9" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::new_block< / span > < / span > :< br / > < a href = "4-pl.html#SP8_1" > § 8.1< / a > , < a href = "4-pl.html#SP8_2" > § 8.2< / a > , < a href = "4-pl.html#SP13_2" > § 13.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > within< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > r< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > block< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > rules< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > block< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > parent< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > within< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > block< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > run< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > r< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > block< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > run_instance< / 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" > block< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > char_set< / 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" > block< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > match_regexp_text< / span > < span class = "plain-syntax" > [0] = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > block< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-pm.html#SP9" class = "function-link" > < span class = "function-syntax" > Regexp::create_mr< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > block< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP11" class = "paragraph-anchor" > < / a > < b > § 11. Colouring Rules. < / b > Each individual rule has the form: if a premiss, then a conclusion. It will be
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applied to a snippet of text, and the premiss can test that, together with a
little context before it (where available).
< / p >
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< p class = "commentary" > Note that rules can be unconditional, in that the premiss always passes.
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< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > NOT_A_RULE_PREFIX< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > this isn't a prefix rule< / span >
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< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > UNSPACED_RULE_PREFIX< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 2< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > prefix P< / span > < / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > SPACED_RULE_PREFIX< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 3< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > spaced prefix P< / span > < / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > OPTIONALLY_SPACED_RULE_PREFIX< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 4< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > optionally spaced prefix P< / span > < / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > UNSPACED_RULE_SUFFIX< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 5< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > suffix P< / span > < / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > SPACED_RULE_SUFFIX< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 6< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > spaced suffix P< / span > < / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > OPTIONALLY_SPACED_RULE_SUFFIX< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 7< / span > < span class = "plain-syntax" > < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > optionally spaced suffix P< / span > < / span >
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< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > MAX_ILDF_REGEXP_LENGTH< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > 64< / span >
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< / pre >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > the premiss:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > sense< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > < / span > < span class = "extract" > < span class = "extract-syntax" > FALSE< / span > < / span > < span class = "comment-syntax" > to negate the condition< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > match_colour< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > coloured C< / span > < / span > < span class = "comment-syntax" > , or else < / span > < span class = "extract" > < span class = "extract-syntax" > NOT_A_COLOUR< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > match_keyword_of_colour< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > keyword C< / span > < / span > < span class = "comment-syntax" > , or else < / span > < span class = "extract" > < span class = "extract-syntax" > NOT_A_COLOUR< / span > < / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > match_text< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > or length 0 to mean "anything"< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > match_prefix< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > one of the < / span > < span class = "extract" > < span class = "extract-syntax" > *_RULE_PREFIX< / span > < / span > < span class = "comment-syntax" > values above< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > match_regexp_text< / span > < span class = "plain-syntax" > [< / span > < span class = "constant-syntax" > MAX_ILDF_REGEXP_LENGTH< / span > < span class = "plain-syntax" > ];< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > number< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > number N< / span > < / span > < span class = "comment-syntax" > rules; 0 for others< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > number_of< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > for < / span > < span class = "extract" > < span class = "extract-syntax" > number N of M< / span > < / span > < span class = "comment-syntax" > rules; 0 for others< / span >
< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > the conclusion:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > execute_block< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > or < / span > < span class = "extract" > < span class = "extract-syntax" > NULL< / span > < / span > < span class = "comment-syntax" > , in which case...< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > set_to_colour< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > ...paint the snippet in this colour< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > set_prefix_to_colour< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > ...also paint this (same for suffix)< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > ...or print debugging text to console< / span >
< span class = "plain-syntax" > < / span > < span class = "comment-syntax" > workspace during painting< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fix_position< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > where the prefix or suffix started< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > match_results< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of a regular expression< / span >
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< span class = "plain-syntax" > < / span > < span class = "constant-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure colouring_rule is accessed in 4/tp and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP12" class = "paragraph-anchor" > < / a > < b > § 12. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::new_rule< / span > < button class = "popup" onclick = "togglePopup('usagePopup10')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup10" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::new_rule< / span > < / span > :< br / > < a href = "4-pl.html#SP8_2" > § 8.2< / a > , < a href = "4-pl.html#SP13" > § 13< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > colouring_language_block< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > within< / 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" > within< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "rule outside block"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > within< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > rules< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > sense< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > match_colour< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > NOT_A_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > match_text< / 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" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > match_prefix< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > NOT_A_RULE_PREFIX< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > match_keyword_of_colour< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > NOT_A_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > match_regexp_text< / span > < span class = "plain-syntax" > [0] = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > number< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > number_of< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > set_to_colour< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > NOT_A_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > set_prefix_to_colour< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > NOT_A_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > execute_block< / 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" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > debug< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > fix_position< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-pm.html#SP9" class = "function-link" > < span class = "function-syntax" > Regexp::create_mr< / span > < / a > < span class = "plain-syntax" > ();< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP13" class = "paragraph-anchor" > < / a > < b > § 13. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::parse_rule< / span > < button class = "popup" onclick = "togglePopup('usagePopup11')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup11" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::parse_rule< / span > < / span > :< br / > < a href = "4-pl.html#SP8_2" > § 8.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > language_reader_state< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > match_results< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-pm.html#SP9" class = "function-link" > < span class = "function-syntax" > Regexp::create_mr< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > colouring_rule< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP12" class = "function-link" > < span class = "function-syntax" > Languages::new_rule< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP24" class = "function-link" > < span class = "function-syntax" > Str::trim_white_space< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > ); < / span > < a href = "../foundation-module/4-sm.html#SP24" class = "function-link" > < span class = "function-syntax" > Str::trim_white_space< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP13_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Parse the premiss< / span > < span class = "named-paragraph-number" > 13.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-pl.html#SP13_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Parse the conclusion< / span > < span class = "named-paragraph-number" > 13.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-pm.html#SP9" class = "function-link" > < span class = "function-syntax" > Regexp::dispose_of< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / 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 = "SP13_1" class = "paragraph-anchor" > < / a > < b > § 13.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Parse the premiss< / span > < span class = "named-paragraph-number" > 13.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > while< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "not (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > sense< / span > < span class = "plain-syntax" > = (< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > sense< / span > < span class = "plain-syntax" > )?< / span > < span class = "identifier-syntax" > FALSE:TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP15" class = "function-link" > < span class = "function-syntax" > Str::clear< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > ); < / span > < a href = "../foundation-module/4-sm.html#SP17" class = "function-link" > < span class = "function-syntax" > Str::copy< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0]);< / span >
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< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "number (%d+)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > number< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP7" class = "function-link" > < span class = "function-syntax" > Str::atoi< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "number (%d+) of (%d+)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > number< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP7" class = "function-link" > < span class = "function-syntax" > Str::atoi< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > number_of< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP7" class = "function-link" > < span class = "function-syntax" > Str::atoi< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [1], < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "keyword of (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_keyword_of_colour< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "keyword"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "ambiguous: make it keyword of !reserved or \"keyword\""< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "prefix (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_prefix< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > UNSPACED_RULE_PREFIX< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_text< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "matching (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_regexp_text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "spaced prefix (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_prefix< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > SPACED_RULE_PREFIX< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_text< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "optionally spaced prefix (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_prefix< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > OPTIONALLY_SPACED_RULE_PREFIX< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_text< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "suffix (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_prefix< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > UNSPACED_RULE_SUFFIX< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_text< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "spaced suffix (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_prefix< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > SPACED_RULE_SUFFIX< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_text< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "optionally spaced suffix (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_prefix< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > OPTIONALLY_SPACED_RULE_SUFFIX< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_text< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "coloured (%c+)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_colour< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > match_text< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP17" class = "function-link" > < span class = "function-syntax" > Languages::text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > premiss< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > }< / span >
2020-04-24 10:26:18 +00:00
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP13" > § 13< / a > .< / li > < / ul >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP13_2" class = "paragraph-anchor" > < / a > < b > § 13.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Parse the conclusion< / span > < span class = "named-paragraph-number" > 13.2< / span > < / span > < span class = "comment-syntax" > =< / span >
2020-04-24 10:26:18 +00:00
< / p >
2020-04-25 10:33:39 +00:00
< pre class = "displayed-code all-displayed-code code-font" >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "{"< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > =< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "4-pl.html#SP10" class = "function-link" > < span class = "function-syntax" > Languages::new_block< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > WHOLE_LINE_CRULE_RUN< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > state< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_block< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > execute_block< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(!%c+) on prefix"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > set_prefix_to_colour< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(!%c+) on suffix"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > set_prefix_to_colour< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-pm.html#SP10" class = "function-link" > < span class = "function-syntax" > Regexp::match< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(!%c+) on both"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > set_to_colour< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mr< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > exp< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > set_prefix_to_colour< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > set_to_colour< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_first_char< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '!'< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > set_to_colour< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP15" class = "function-link" > < span class = "function-syntax" > Languages::colour< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > action< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "debug"< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rule< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > debug< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "action after '=> ' illegible"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-pl.html#SP13" > § 13< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP14" class = "paragraph-anchor" > < / a > < b > § 14. Reserved words. < / b > Note that these can come in any colour, though usually it's < span class = "extract" > < span class = "extract-syntax" > !reserved< / span > < / span > .
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > reserved_word< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > word< / 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" > colour< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "constant-syntax" > CLASS_DEFINITION< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > reserved_word< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > reserved_word< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::reserved< / span > < button class = "popup" onclick = "togglePopup('usagePopup12')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup12" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::reserved< / span > < / span > :< br / > < a href = "4-pl.html#SP8_1" > § 8.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > programming_language< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > C< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > reserved_word< / 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" > LOOP_OVER_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > reserved_word< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > reserved_words< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > word< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "duplicate reserved word"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > reserved_word< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > word< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP3" class = "function-link" > < span class = "function-syntax" > Str::duplicate< / span > < / a > < 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" > rw< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > colour< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > C< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > reserved_word< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > reserved_words< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "3-ta.html#SP10" class = "function-link" > < span class = "function-syntax" > Analyser::mark_reserved_word< / span > < / a > < span class = "plain-syntax" > (& (< / span > < span class = "identifier-syntax" > pl< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > built_in_keywords< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > word< / span > < span class = "plain-syntax" > , (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > C< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure reserved_word is accessed in 4/as and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP15" class = "paragraph-anchor" > < / a > < b > § 15. Expressions. < / b > Language definition files have three types of data: colours, booleans, and
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text. Colours first. Note that there are two pseudo-colours used above,
but which are not expressible in the syntax of this file.
< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > DEFINITION_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'd'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > FUNCTION_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'f'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > RESERVED_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'r'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > ELEMENT_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'e'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > IDENTIFIER_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'i'< / span >
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< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > CHARACTER_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'c'< / span >
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< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > CONSTANT_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'n'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > STRING_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 's'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > PLAIN_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'p'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > EXTRACT_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > 'x'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > COMMENT_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > '!'< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > NEWLINE_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > '\n'< / span >
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< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > NOT_A_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > ' '< / span >
< span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > UNQUOTED_COLOUR< / span > < span class = "plain-syntax" > < / span > < span class = "character-syntax" > '_'< / span >
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< / pre >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::colour< / span > < button class = "popup" onclick = "togglePopup('usagePopup13')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup13" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::colour< / span > < / span > :< br / > < a href = "4-pl.html#SP8_1" > § 8.1< / a > , < a href = "4-pl.html#SP8_2" > § 8.2< / a > , < a href = "4-pl.html#SP13_1" > § 13.1< / a > , < a href = "4-pl.html#SP13_2" > § 13.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_first_char< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ) != < / span > < span class = "character-syntax" > '!'< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "colour names must begin with !"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > PLAIN_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!string"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > STRING_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!function"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FUNCTION_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!definition"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > DEFINITION_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!reserved"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > RESERVED_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!element"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > ELEMENT_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!identifier"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > IDENTIFIER_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!character"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > CHARACTER_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!constant"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > CONSTANT_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!plain"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > PLAIN_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!extract"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > EXTRACT_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "!comment"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > COMMENT_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no such !colour"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > PLAIN_COLOUR< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP16" class = "paragraph-anchor" > < / a > < b > § 16. < / b > A boolean must be written as < span class = "extract" > < span class = "extract-syntax" > true< / span > < / span > or < span class = "extract" > < span class = "extract-syntax" > false< / span > < / span > .
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::boolean< / span > < button class = "popup" onclick = "togglePopup('usagePopup14')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup14" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::boolean< / span > < / span > :< br / > < a href = "4-pl.html#SP8_1" > § 8.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "true"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "false"< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "must be true or false"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP17" class = "paragraph-anchor" > < / a > < b > § 17. < / b > In text, < span class = "extract" > < span class = "extract-syntax" > \n< / span > < / span > represents a newline, < span class = "extract" > < span class = "extract-syntax" > \s< / span > < / span > a space and < span class = "extract" > < span class = "extract-syntax" > \t< / span > < / span > a tab. Spaces
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can be given in the ordinary way inside a text in any case. < span class = "extract" > < span class = "extract-syntax" > \\< / span > < / span > is a
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literal backslash.
< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Languages::text< / span > < button class = "popup" onclick = "togglePopup('usagePopup15')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup15" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::text< / span > < / span > :< br / > < a href = "4-pl.html#SP8_1" > § 8.1< / a > , < a href = "4-pl.html#SP8_2" > § 8.2< / a > , < a href = "4-pl.html#SP13_1" > § 13.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > allow< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP2" class = "function-link" > < span class = "function-syntax" > Str::new< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > spaced< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > )-1;< / 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" > to< / span > < span class = "plain-syntax" > > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) & & < / span >
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< span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ++; < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > --;< / span >
< span class = "plain-syntax" > }< / span >
< 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" > i< / span > < span class = "plain-syntax" > =< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < =< / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > ' '< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > spaced< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1) == < / span > < span class = "character-syntax" > 'n'< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > '\n'< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++;< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1) == < / span > < span class = "character-syntax" > 's'< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > ' '< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1) == < / span > < span class = "character-syntax" > 't'< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > '\t'< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1) == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1) == < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "backslash needed before internal double-quotation mark"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '!'< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "a literal starting with ! must be in double-quotation marks"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '/'< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "forward slashes can only be used in quoted strings"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "double-quotation marks can only be used in quoted strings"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / 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" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > bareword< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > spaced< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > allow< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > )) {< / span >
2020-06-27 22:03:14 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > )< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "'%S' seems to be literal text, but if so it needs double-quotation marks"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file_S< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
2020-06-27 22:03:14 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > )< / span >
2020-04-21 16:55:17 +00:00
< 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" > bareword< / 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" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "both"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "brackets"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "characters"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "coloured"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "colouring"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "debug"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "false"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "in"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "instances"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "keyword"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "matches"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "matching"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "not"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "of"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "on"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "optionally"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "prefix"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "runs"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "spaced"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "suffix"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "true"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP19" class = "function-link" > < span class = "function-syntax" > Str::eq< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "unquoted"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > rw< / span > < span class = "plain-syntax" > ) {< / span >
2020-06-27 22:03:14 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > )< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "'%S' is a reserved word, so you should put it in double-quotation marks"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file_S< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
2020-06-27 22:03:14 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DISCARD_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err< / span > < span class = "plain-syntax" > )< / span >
2020-04-21 16:55:17 +00:00
< 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" > V< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
2020-04-24 10:26:18 +00:00
< / pre >
2020-08-16 17:39:53 +00:00
< p class = "commentary firstcommentary" > < a id = "SP18" class = "paragraph-anchor" > < / a > < b > § 18. < / b > And regular expressions.
2020-04-06 18:24:56 +00:00
< / p >
2020-04-25 10:33:39 +00:00
< pre class = "displayed-code all-displayed-code code-font" >
2020-04-27 22:43:23 +00:00
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::regexp< / span > < button class = "popup" onclick = "togglePopup('usagePopup16')" > < span class = "comment-syntax" > ?< / span > < span class = "popuptext" id = "usagePopup16" > Usage of < span class = "code-font" > < span class = "function-syntax" > Languages::regexp< / span > < / span > :< br / > < a href = "4-pl.html#SP8_1" > § 8.1< / a > , < a href = "4-pl.html#SP8_2" > § 8.2< / a > , < a href = "4-pl.html#SP13_1" > § 13.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_file_position< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "no buffer"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > [0] = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > ) > < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > )-1, < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) & & < / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '/'< / span > < span class = "plain-syntax" > ) & & (< / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > ) == < / span > < span class = "character-syntax" > '/'< / span > < span class = "plain-syntax" > )) {< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ++; < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > --;< / span >
< 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" > i< / span > < span class = "plain-syntax" > =< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < =< / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/4-sm.html#SP13" class = "function-link" > < span class = "function-syntax" > Str::get_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > T< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > +1);< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '\\'< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > 'd'< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > 'd'< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > 't'< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > 't'< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > 's'< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > ' '< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > 'S'< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > 'C'< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > w< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '"'< / span > < span class = "plain-syntax" > ) {< / span >
2020-04-21 23:52:25 +00:00
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > 'q'< / span > < span class = "plain-syntax" > );< / span >
2020-04-21 16:55:17 +00:00
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > continue< / 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" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '.'< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > 'c'< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > continue< / 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" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > '%'< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > '%'< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > continue< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "the expression to match must be in slashes '/'"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / 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" > x< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > MAX_ILDF_REGEXP_LENGTH< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::in_text_file< / span > < / a > < span class = "plain-syntax" > (< / span >
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< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "the expression to match is too long"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::add_to_regexp< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > < < / span > < span class = "constant-syntax" > MAX_ILDF_REGEXP_LENGTH< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ++] = < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Languages::add_escape_to_regexp< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > wchar_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > , < / span > < span class = "character-syntax" > '%'< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > = < / span > < a href = "4-pl.html#SP18" class = "function-link" > < span class = "function-syntax" > Languages::add_to_regexp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > write_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > i< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< nav role = "progress" > < div class = "progresscontainer" >
< ul class = "progressbar" > < li class = "progressprev" > < a href = "3-tt.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "M-iti.html" > M< / a > < / li > < li class = "progresschapter" > < a href = "P-htpw.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-bsc.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-tr.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-ta.html" > 3< / a > < / li > < li class = "progresscurrentchapter" > 4< / li > < li class = "progresscurrent" > pl< / li > < li class = "progresssection" > < a href = "4-taf.html" > taf< / a > < / li > < li class = "progresssection" > < a href = "4-lm.html" > lm< / a > < / li > < li class = "progresssection" > < a href = "4-as.html" > as< / a > < / li > < li class = "progresssection" > < a href = "4-tp.html" > tp< / a > < / li > < li class = "progresssection" > < a href = "4-cl.html" > cl< / a > < / li > < li class = "progresssection" > < a href = "4-is.html" > is< / a > < / li > < li class = "progresschapter" > < a href = "5-wt.html" > 5< / a > < / li > < li class = "progresschapter" > < a href = "6-mkf.html" > 6< / a > < / li > < li class = "progressnext" > < a href = "4-taf.html" > ❯ < / a > < / li > < / ul > < / div >
< / nav > <!-- End of weave -->
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< / main >
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< / body >
< / html >