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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 > Types and Functions< / b > < / li > < / ul > < / div >
< p class = "purpose" > Basic support for languages to recognise structure and function declarations.< / p >
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< ul class = "toc" > < li > < a href = "4-taf.html#SP6" > § 6. Functions< / a > < / li > < li > < a href = "4-taf.html#SP9" > § 9. Cataloguing< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > For each < span class = "extract" > < span class = "extract-syntax" > typedef struct< / span > < / span > we find, we will make one of these:
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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" > language_type< / 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" > structure_name< / 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" > tangled< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > whether the structure definition has been tangled out< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > structure_header_at< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > opening line of < / span > < span class = "extract" > < span class = "extract-syntax" > typedef< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > typedef_ends< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > closing line, where < / span > < span class = "extract" > < span class = "extract-syntax" > }< / span > < / span > < span class = "comment-syntax" > appears< / span >
< 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" > incorporates< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of < / span > < span class = "extract" > < span class = "extract-syntax" > language_type< / span > < / span >
< 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" > elements< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of < / span > < span class = "extract" > < span class = "extract-syntax" > structure_element< / 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" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > next_cst_alphabetically< / 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" > language_type< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure language_type is accessed in 3/tw, 4/as, 4/cl, 6/cln and here.< / li > < / ul >
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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" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > first_cst_alphabetically< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Functions::new_struct< / 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" > Functions::new_struct< / span > < / span > :< br / > C-Like Languages - < a href = "4-cl.html#SP2_1" > § 2.1< / 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 > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > language_type< / 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-taf.html#SP2_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Initialise the language type structure< / span > < span class = "named-paragraph-number" > 2.1< / span > < / a > < / 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_at_line< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_name< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > RESERVED_COLOUR< / 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-taf.html#SP2_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Add this to the lists for its web and its paragraph< / span > < span class = "named-paragraph-number" > 2.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-taf.html#SP2_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Insertion-sort this into the alphabetical list of all structures found< / span > < span class = "named-paragraph-number" > 2.3< / 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" > str< / 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" > Initialise the language type structure< / 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" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_name< / 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" > name< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_header_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > tangled< / 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" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > typedef_ends< / 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" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > incorporates< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > elements< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > structure_element< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-taf.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" > Add this to the lists for its web and its paragraph< / 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 > < a href = "2-tgs.html#SP4" class = "function-link" > < span class = "function-syntax" > Tags::add_by_name< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_paragraph< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Structures"< / 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" > str< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_types< / 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" > str< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_paragraph< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structures< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-taf.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_3" class = "paragraph-anchor" > < / a > < b > § 2.3. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Insertion-sort this into the alphabetical list of all structures found< / span > < span class = "named-paragraph-number" > 2.3< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_cst_alphabetically< / 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" > first_cst_alphabetically< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > first_cst_alphabetically< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > str< / 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" > placed< / 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" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > last< / 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" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > seq< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > first_cst_alphabetically< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > seq< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > seq< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > seq< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_cst_alphabetically< / 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#SP20" class = "function-link" > < span class = "function-syntax" > Str::cmp< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > seq< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_name< / 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 = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > seq< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > first_cst_alphabetically< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_cst_alphabetically< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > first_cst_alphabetically< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > first_cst_alphabetically< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > str< / 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" > last< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_cst_alphabetically< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_cst_alphabetically< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > seq< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > placed< / 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" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > last< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > seq< / 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" > placed< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > last< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_cst_alphabetically< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > str< / span > < 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-taf.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > A language can also create an instance of < span class = "extract" > < span class = "extract-syntax" > structure_element< / span > < / span > to record the
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existence of the element < span class = "extract" > < span class = "extract-syntax" > val< / span > < / span > , and add it to the linked list of elements of
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the structure being defined.
< / p >
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< p class = "commentary" > In InC, only, certain element names used often in Inform's source code are
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given mildly special treatment. This doesn't amount to much. < span class = "extract" > < span class = "extract-syntax" > allow_sharing< / span > < / span >
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has no effect on tangling, so it doesn't change the program. It simply
affects the reports in the woven code about where structures are used.
< / 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" > structure_element< / 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" > element_name< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > element_created_at< / 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" > allow_sharing< / 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" > structure_element< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure structure_element is accessed in 3/tw, 4/as and here.< / li > < / ul >
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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" > structure_element< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Functions::new_element< / 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" > Functions::new_element< / span > < / span > :< br / > C-Like Languages - < a href = "4-cl.html#SP2_1_1" > § 2.1.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > elname< / span > < span class = "plain-syntax" > ,< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > L< / 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_at_line< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > elname< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > ELEMENT_COLOUR< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > structure_element< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > elt< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > structure_element< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > elt< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > element_name< / 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" > elname< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > elt< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > allow_sharing< / 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" > elt< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > element_created_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > L< / 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 = "4-lm.html#SP29" class = "function-link" > < span class = "function-syntax" > LanguageMethods::share_element< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_section< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > sect_language< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > elname< / span > < span class = "plain-syntax" > ))< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > elt< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > allow_sharing< / 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" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > elt< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > structure_element< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > elements< / 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" > elt< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Functions::find_structure< / 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 = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > name< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > str< / 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" > str< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > language_types< / 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" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_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" > str< / 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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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. Functions. < / b > Each function definition found results in one of these structures being made:
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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" > language_function< / 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" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > function_name< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > e.g., < / span > < span class = "extract" > < span class = "extract-syntax" > "cultivate"< / 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" > function_type< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > e.g., < / span > < span class = "extract" > < span class = "extract-syntax" > "tree *"< / 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" > function_arguments< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > e.g., < / span > < span class = "extract" > < span class = "extract-syntax" > "int rainfall)"< / span > < / span > < span class = "comment-syntax" > : note < / span > < span class = "extract" > < span class = "extract-syntax" > )< / span > < / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > function_header_at< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > where the first line of the header begins< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > within_namespace< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > written using InC namespace dividers< / 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" > called_from_other_sections< / 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" > call_freely< / 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" > usage_described< / 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" > no_conditionals< / 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" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > within_conditionals< / span > < span class = "plain-syntax" > [< / span > < span class = "constant-syntax" > MAX_CONDITIONAL_COMPILATION_STACK< / 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" > language_function< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > The structure language_function is accessed in 3/tw, 3/twot, 4/as, 4/cl, 5/ptf, 5/tf, 5/hf, 5/df, 6/cln and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP7" class = "paragraph-anchor" > < / a > < b > § 7. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > language_function< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Functions::new_function< / 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" > Functions::new_function< / span > < / span > :< br / > ACME Support - < a href = "4-as.html#SP5" > § 5< / a > , < a href = "4-as.html#SP6" > § 6< / a > < br / > C-Like Languages - < a href = "4-cl.html#SP3_2_2" > § 3.2.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > fname< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > source_line< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > hash_table_entry< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > hte< / 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_at_line< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > fname< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FUNCTION_COLOUR< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > language_function< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > language_function< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > hte< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > as_function< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > fn< / 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-taf.html#SP7_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Initialise the function structure< / span > < span class = "named-paragraph-number" > 7.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "4-taf.html#SP7_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Add the function to its paragraph and line< / 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" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > owning_section< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > sect_language< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > supports_namespaces< / 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-taf.html#SP7_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Check that the function has its namespace correctly declared< / span > < span class = "named-paragraph-number" > 7.3< / 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" > fn< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP7_1" class = "paragraph-anchor" > < / a > < b > § 7.1. < / b > Note that we take a snapshot of the conditional compilation stack as
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part of the function structure. We'll need it when predeclaring the function.
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Initialise the function structure< / 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" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_name< / 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" > fname< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_arguments< / 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 = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_type< / 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 >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > within_namespace< / 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" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > called_from_other_sections< / 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" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > call_freely< / 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" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_header_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > usage_described< / 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" > if< / span > < span class = "plain-syntax" > ((< / span > < a href = "../foundation-module/4-sm.html#SP22" class = "function-link" > < span class = "function-syntax" > Str::eq_wide_string< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > fname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "main"< / span > < span class = "plain-syntax" > )) & & < / span >
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< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_section< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > sect_language< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > C_like< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > usage_described< / 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" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_conditionals< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-taf.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 > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Add the function to its paragraph and line< / 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" > paragraph< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_paragraph< / 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" > P< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > language_function< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > functions< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_defined< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-taf.html#SP7" > § 7< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP7_3" class = "paragraph-anchor" > < / a > < b > § 7.3. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Check that the function has its namespace correctly declared< / span > < span class = "named-paragraph-number" > 7.3< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
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< pre class = "displayed-code all-displayed-code code-font" >
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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" > declared_namespace< / 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" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ambient_namespace< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_section< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > sect_namespace< / 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" > 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" > fname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%c+::)%c*"< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > declared_namespace< / 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 = "plain-syntax" > < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > within_namespace< / 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" > 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#SP22" class = "function-link" > < span class = "function-syntax" > Str::eq_wide_string< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > fname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "main"< / span > < span class = "plain-syntax" > )) & & < / span >
< span class = "plain-syntax" > (< / span > < a href = "../foundation-module/4-sm.html#SP22" class = "function-link" > < span class = "function-syntax" > Str::eq_wide_string< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ambient_namespace< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "Main::"< / span > < span class = "plain-syntax" > )))< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > declared_namespace< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Main::"< / 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" > declared_namespace< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ambient_namespace< / span > < span class = "plain-syntax" > )) & & < / span >
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< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_paragraph< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > placed_very_early< / 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 = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err_mess< / 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#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > declared_namespace< / 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" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err_mess< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "Function '%S' should have namespace prefix '%S'"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ambient_namespace< / 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#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ambient_namespace< / 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" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err_mess< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "Function '%S' declared in a section with no namespace"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fname< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err_mess< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "Function '%S' declared in a section with the wrong namespace '%S'"< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fname< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ambient_namespace< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < a href = "1-pc.html#SP8" class = "function-link" > < span class = "function-syntax" > Main::error_in_web< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > err_mess< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / 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" > err_mess< / span > < span class = "plain-syntax" > )< / span >
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< 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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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "4-taf.html#SP7" > § 7< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > "Elsewhere" here means "in a paragraph of code other than the one in which the
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function's definition appears".
< / p >
< 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" > Functions::used_elsewhere< / 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" > Functions::used_elsewhere< / span > < / span > :< br / > HTML Formats - < a href = "5-hf.html#SP5_31" > § 5.31< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > language_function< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > paragraph< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_header_at< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_paragraph< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > hash_table_entry< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > hte< / span > < span class = "plain-syntax" > =< / span >
< span class = "plain-syntax" > < / span > < a href = "3-ta.html#SP9" class = "function-link" > < span class = "function-syntax" > Analyser::find_hash_entry_for_section< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_header_at< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_section< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_name< / 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" > hash_table_entry_usage< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > hteu< / 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" > LOOP_OVER_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > hteu< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > hash_table_entry_usage< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > hte< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > usages< / 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" > P< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > hteu< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > usage_recorded_at< / span > < span class = "plain-syntax" > ) & & < / span >
< span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > under_section< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > hteu< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > usage_recorded_at< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > under_section< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > TRUE< / 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" > hteu< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > hash_table_entry_usage< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > hte< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > usages< / 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" > P< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > under_section< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > hteu< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > usage_recorded_at< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > under_section< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. Cataloguing. < / b > This implements the additional information in the < span class = "extract" > < span class = "extract-syntax" > -structures< / span > < / span > and < span class = "extract" > < span class = "extract-syntax" > -functions< / span > < / span >
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forms of section catalogue.
< / 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" > Functions::catalogue< / 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" > Functions::catalogue< / span > < / span > :< br / > The Analyser - < a href = "3-ta.html#SP2" > § 2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > section< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > functions_too< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > language_type< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > str< / 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" > str< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > language_type< / 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" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_header_at< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_section< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PRINT< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > " %S "< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > str< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > structure_name< / 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" > functions_too< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > language_function< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > fn< / 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" > fn< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > language_function< / 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" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_header_at< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > owning_section< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > S< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PRINT< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "\n %S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > fn< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > function_name< / 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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< nav role = "progress" > < div class = "progresscontainer" >
< ul class = "progressbar" > < li class = "progressprev" > < a href = "4-pl.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 = "progresssection" > < a href = "4-pl.html" > pl< / a > < / li > < li class = "progresscurrent" > taf< / 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-lm.html" > ❯ < / a > < / li > < / ul > < / div >
< / nav > <!-- End of weave -->
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< / main >
< / body >
< / html >