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< title > Readme Writeme< / title >
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< link href = "../docs-assets/Contents.css" rel = "stylesheet" rev = "stylesheet" type = "text/css" >
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< body class = "commentary-font" >
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< nav role = "navigation" >
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< h1 > < a href = "../index.html" >
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< img src = "../docs-assets/Octagram.png" width = 72 height = 72" >
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< / a > < / h1 >
< ul > < li > < a href = "index.html" > < span class = "selectedlink" > inweb< / span > < / a > < / li >
< / ul > < h2 > Foundation Module< / h2 > < ul >
< li > < a href = "../foundation-module/index.html" > foundation< / a > < / li >
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< li > < a href = "../foundation-test/index.html" > foundation-test< / a > < / li >
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< / ul > < h2 > Example Webs< / h2 > < ul >
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< li > < a href = "../goldbach/index.html" > goldbach< / a > < / li >
< li > < a href = "../twinprimes/twinprimes.html" > twinprimes< / a > < / li >
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< li > < a href = "../eastertide/index.html" > eastertide< / a > < / li >
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< / ul > < h2 > Repository< / h2 > < ul >
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< li > < a href = "https://github.com/ganelson/inweb" > < img src = "../docs-assets/github.png" height = 18 > github< / a > < / li >
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< / ul > < h2 > Related Projects< / h2 > < ul >
< li > < a href = "../../../inform/docs/index.html" > inform< / a > < / li >
< li > < a href = "../../../intest/docs/index.html" > intest< / a > < / li >
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< / ul >
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< / nav >
< main role = "main" >
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<!-- Weave of 'Readme Writeme' generated by Inweb -->
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< div class = "breadcrumbs" >
< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "index.html" > inweb< / a > < / li > < li > < a href = "index.html#6" > Chapter 6: Extras< / a > < / li > < li > < b > Readme Writeme< / b > < / li > < / ul > < / div >
< p class = "purpose" > To construct Readme and similar files.< / p >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > This is a very simple generator for < span class = "extract" > < span class = "extract-syntax" > README.md< / span > < / span > files, written in Markdown
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syntax, but with a few macro expansions of our own. The prototype file, which
uses these extra macros, is expanded to the final file, which does not.
< / p >
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< p class = "commentary" > As we scan through the prototype file, we keep track of 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" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > write_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" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > OUT< / 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" > known_macros< / span > < span class = "plain-syntax" > ; < / span > < span class = "comment-syntax" > of < / span > < span class = "extract" > < span class = "extract-syntax" > macro< / 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" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > current_definition< / 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" > macro_tokens< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > stack_frame< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > write_state< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Readme::write< / 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" > Readme::write< / span > < / span > :< br / > Program Control - < a href = "1-pc.html#SP7_1" > § 7.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > to< / 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 = "constant-syntax" > STDOUT< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "write-me: %f --> %f\n"< / 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 = "reserved-syntax" > write_state< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > current_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" > ws< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > known_macros< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NEW_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > = < / span > < a href = "6-rw.html#SP3" class = "function-link" > < span class = "function-syntax" > Readme::new_macro< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "version"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / 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" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > V< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > known_macros< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > = < / span > < a href = "6-rw.html#SP3" class = "function-link" > < span class = "function-syntax" > Readme::new_macro< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "purpose"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / 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" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > P< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > known_macros< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < a href = "6-rw.html#SP3" class = "function-link" > < span class = "function-syntax" > Readme::new_macro< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "var"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / 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" > ADD_TO_LINKED_LIST< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > known_macros< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > stack_frame< / 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" > file_to< / 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/2-str.html#SP24" class = "function-link" > < span class = "function-syntax" > Streams::open_to_file< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > file_to< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > UTF8_ENC< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > FALSE< / 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_file< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "can't write readme file"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > to< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > OUT< / span > < span class = "plain-syntax" > = & < / span > < span class = "identifier-syntax" > file_to< / 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" > from< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "unable to read template file"< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > & < / span > < a href = "6-rw.html#SP2" class = "function-link" > < span class = "function-syntax" > Readme::write_helper< / 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" > ws< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/2-str.html#SP34" class = "function-link" > < span class = "function-syntax" > Streams::close< / span > < / a > < span class = "plain-syntax" > (& < / span > < span class = "identifier-syntax" > file_to< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure write_state is accessed in 1/apacs, 5/ptf, 5/tf, 5/hf, 5/df and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > The file consists of definitions of macros, made one at a time, and
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starting with < span class = "extract" > < span class = "extract-syntax" > @define< / span > < / span > and finishing with < span class = "extract" > < span class = "extract-syntax" > @end< / span > < / span > , and actual material.
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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" > Readme::write_helper< / 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" > Readme::write_helper< / span > < / span > :< br / > < a href = "6-rw.html#SP1" > § 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" > text< / 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" > state< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > write_state< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > write_state< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > state< / 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" > OUT< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > OUT< / 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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > " *@end *"< / 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" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_definition< / 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/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" > "@end without @define"< / 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 > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_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 = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_definition< / 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" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_definition< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > content< / 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" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_definition< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > content< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "\n"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_definition< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > content< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text< / 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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > " *@define (%i+)(%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" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_definition< / 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" > "@define without @end"< / 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 > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > = < / span > < a href = "6-rw.html#SP3" class = "function-link" > < span class = "function-syntax" > Readme::new_macro< / 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" > 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 >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > current_definition< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > M< / 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" > M< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > known_macros< / span > < span class = "plain-syntax" > );< / 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 = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "\n"< / 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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< 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 = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > The "content" of a macro is its definition, and the tokens are named
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parameters.
< / 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" > macro< / 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" > 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" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > content< / 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" > macro_tokens< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tokens< / 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" > macro< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Readme::new_macro< / 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" > Readme::new_macro< / span > < / span > :< br / > < a href = "6-rw.html#SP1" > § 1< / a > , < a href = "6-rw.html#SP2" > § 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" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > tokens< / 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" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > 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 >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > tokens< / span > < span class = "plain-syntax" > = < / span > < a href = "6-rw.html#SP4" class = "function-link" > < span class = "function-syntax" > Readme::parse_token_list< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > tokens< / 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" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > content< / 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 = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > typedef< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > macro_tokens< / 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" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > bound_to< / 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" > pars< / span > < span class = "plain-syntax" > [8];< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > no_pars< / 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" > macro_tokens< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > down< / 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" > macro_tokens< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure macro is accessed in 2/trs, 3/twot, 5/wt, 5/fm, 5/ptf, 5/tf, 5/hf, 5/df, 6/cs, 6/cln and here.< / li > < li > The structure macro_tokens is private to this section.< / 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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2020-04-25 10:33:39 +00:00
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "reserved-syntax" > macro_tokens< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Readme::parse_token_list< / 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" > Readme::parse_token_list< / span > < / span > :< br / > < a href = "6-rw.html#SP3" > § 3< / a > , < a href = "6-rw.html#SP5" > § 5< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > chunk< / 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" > macro_tokens< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > no_pars< / 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" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > down< / 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" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > bound_to< / 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 = "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" > chunk< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > bl< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 1< / 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 >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > while< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > bl< / span > < span class = "plain-syntax" > > < / span > < span class = "constant-syntax" > 0< / 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" > chunk< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / 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" > 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" > chunk< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / 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 = "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" > else< / 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 > < span class = "constant-syntax" > FALSE< / 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 > < span class = "identifier-syntax" > bl< / 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" > c< / 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" > bl< / 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" > bl< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP4_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Recognise token< / span > < span class = "named-paragraph-number" > 4.1< / span > < / a > < / 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" > c< / span > < span class = "plain-syntax" > == < / span > < span class = "character-syntax" > ','< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > bl< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP4_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Recognise token< / span > < span class = "named-paragraph-number" > 4.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ++;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP25" class = "function-link" > < span class = "function-syntax" > Str::delete_n_characters< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > chunk< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > );< / span >
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< 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" > mt< / 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 = "SP4_1" class = "paragraph-anchor" > < / a > < b > § 4.1. < / b > Quotes can be used in token lists so that literal commas and brackets can
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be used without breaking the flow.
< / p >
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< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Recognise token< / span > < span class = "named-paragraph-number" > 4.1< / 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" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > no_pars< / 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" > n< / span > < span class = "plain-syntax" > > = < / span > < span class = "constant-syntax" > 8< / 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" > "too many parameters"< / 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 > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / 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" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > j< / span > < span class = "plain-syntax" > =< / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > j< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > j< / span > < span class = "plain-syntax" > ++) < / span > < span class = "identifier-syntax" > PUT_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / 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" > chunk< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > j< / 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" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / 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_first_char< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / 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/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" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / 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/4-sm.html#SP25" class = "function-link" > < span class = "function-syntax" > Str::delete_first_character< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ]);< / span >
< span class = "plain-syntax" > < / span > < a href = "../foundation-module/4-sm.html#SP25" class = "function-link" > < span class = "function-syntax" > Str::delete_last_character< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ]);< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > no_pars< / span > < span class = "plain-syntax" > ++;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > from< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > x< / span > < span class = "plain-syntax" > +1;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-rw.html#SP4" > § 4< / a > (twice).< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP5" class = "paragraph-anchor" > < / a > < b > § 5. < / b > So much for creating macros. Now we can write the actual expander. As can
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be seen, it passes material straight through, except for instances of the
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notation < span class = "extract" > < span class = "extract-syntax" > @name< / span > < / span > , possibly followed by a bracketed list of parameters.
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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" > Readme::expand_material< / 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" > Readme::expand_material< / span > < / span > :< br / > < a href = "6-rw.html#SP2" > § 2< / a > , < a href = "6-rw.html#SP6" > § 6< / a > , < a href = "6-rw.html#SP7" > § 7< / a > , < a href = "6-rw.html#SP7_1" > § 7.1< / a > , < a href = "6-rw.html#SP7_2" > § 7.2< / a > , < a href = "6-rw.html#SP7_3" > § 7.3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > write_state< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / 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 >
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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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "(%c*?)@(%i+)(%c*)"< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / 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" > macro_tokens< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > = < / span > < a href = "6-rw.html#SP4" class = "function-link" > < span class = "function-syntax" > Readme::parse_token_list< / 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" > [2], < / 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" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > = & < / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP6" class = "function-link" > < span class = "function-syntax" > Readme::expand_at< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / 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" > [1], < / 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" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > mt< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > down< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / 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" > [2], < / 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 >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > text< / span > < span class = "plain-syntax" > );< / 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 = "SP6" class = "paragraph-anchor" > < / a > < b > § 6. < / b > If we run into the notation < span class = "extract" > < span class = "extract-syntax" > @something< / span > < / span > , it's possible that < span class = "extract" > < span class = "extract-syntax" > something< / span > < / span > is
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the name of a parameter somewhere in the current stack, either on the top
frame or on frames lower down. The first match wins... and if there are no
matches, then it must be a macro name.
< / 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" > Readme::expand_at< / 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" > Readme::expand_at< / span > < / span > :< br / > < a href = "6-rw.html#SP5" > § 5< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > write_state< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > macro_name< / 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" > macro_tokens< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > stack< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > while< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > stack< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > in< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > stack< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > bound_to< / 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" > in< / 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" > n< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > in< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > tokens< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > no_pars< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > n< / 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" > in< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > tokens< / span > < span class = "plain-syntax" > .< / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > ], < / span > < span class = "identifier-syntax" > macro_name< / 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" > n< / span > < span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > stack< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_pars< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > stack< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [< / span > < span class = "identifier-syntax" > n< / 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 = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > stack< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > stack< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > down< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > M< / 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" > M< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > known_macros< / 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" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > macro_name< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > bound_to< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP7" class = "function-link" > < span class = "function-syntax" > Readme::expand_macro< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > M< / 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 = "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 @-command"< / 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" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "constant-syntax" > STDERR< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "(command is '%S')\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > macro_name< / 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" class = "paragraph-anchor" > < / a > < b > § 7. < / b > So, then: suppose we have to expand < span class = "extract" > < span class = "extract-syntax" > @example(5, gold rings)< / span > < / span > . Then the
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< span class = "extract" > < span class = "extract-syntax" > macro_name< / span > < / span > below is set to < span class = "extract" > < span class = "extract-syntax" > example< / span > < / span > , and the current stack frame contains the
values < span class = "extract" > < span class = "extract-syntax" > 5< / span > < / span > and < span class = "extract" > < span class = "extract-syntax" > gold rings< / 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" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Readme::expand_macro< / 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" > Readme::expand_macro< / span > < / span > :< br / > < a href = "6-rw.html#SP6" > § 6< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > write_state< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > macro< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > M< / 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 = "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" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "version"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP7_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Perform built-in expansion of version macro< / span > < span class = "named-paragraph-number" > 7.1< / span > < / a > < / 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" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "purpose"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP7_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Perform built-in expansion of purpose macro< / span > < span class = "named-paragraph-number" > 7.2< / span > < / a > < / 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" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "var"< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP7_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Perform built-in expansion of var macro< / span > < span class = "named-paragraph-number" > 7.3< / span > < / a > < / span >
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< 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" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > bound_to< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > M< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > content< / 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 >
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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" > Perform built-in expansion of version macro< / 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 = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_pars< / span > < span class = "plain-syntax" > != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < 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" > "@version takes 1 parameter"< / 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 > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP8" class = "function-link" > < span class = "function-syntax" > Readme::write_var< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Version Number"< / 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" > program< / 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 = "6-rw.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" > Perform built-in expansion of purpose macro< / 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" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_pars< / span > < span class = "plain-syntax" > != < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < 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" > "@purpose takes 1 parameter"< / 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 > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP8" class = "function-link" > < span class = "function-syntax" > Readme::write_var< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Purpose"< / 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" > program< / 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 = "6-rw.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" > Perform built-in expansion of var macro< / 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" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > no_pars< / span > < span class = "plain-syntax" > != < / span > < span class = "constant-syntax" > 2< / 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" > "@var takes 2 parameters"< / 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 > < span class = "identifier-syntax" > TEMPORARY_TEXT< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / 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" > bibv< / span > < span class = "plain-syntax" > )< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [0], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP5" class = "function-link" > < span class = "function-syntax" > Readme::expand_material< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > bibv< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > ws< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > stack_frame< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > pars< / span > < span class = "plain-syntax" > [1], < / span > < span class = "identifier-syntax" > tfp< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-rw.html#SP8" class = "function-link" > < span class = "function-syntax" > Readme::write_var< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > bibv< / 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" > program< / 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" > bibv< / 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 = "6-rw.html#SP7" > § 7< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP8" class = "paragraph-anchor" > < / a > < b > § 8. < / b > An "asset" here is something for which we might want to write the version
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number of, or some similar metadata for. Assets are usually webs, but can
also be a few other rather Inform-specific things; those have a more limited
range of bibliographic data, just the version and date (and we will not
assume that the version complies with any format).
< / 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" > writeme_asset< / 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" > 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" > web_md< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > if_web< / 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" > date< / 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" > version< / 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" > next_is_version< / 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" > writeme_asset< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Readme::write_var< / 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" > Readme::write_var< / span > < / span > :< br / > < a href = "6-rw.html#SP7_1" > § 7.1< / a > , < a href = "6-rw.html#SP7_2" > § 7.2< / a > , < a href = "6-rw.html#SP7_3" > § 7.3< / a > < br / > The Collater - < a href = "3-tc.html#SP5_1_3" > § 5.1.3< / a > , < a href = "3-tc.html#SP5_1_11_6_1" > § 5.1.11.6.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > OUT< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > datum< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < a href = "6-rw.html#SP9" class = "function-link" > < span class = "function-syntax" > Readme::find_asset< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / 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" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > if_web< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%S"< / span > < span class = "plain-syntax" > , < / span > < a href = "../foundation-module/8-bdfw.html#SP6" class = "function-link" > < span class = "function-syntax" > Bibliographic::get_datum< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > if_web< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > datum< / 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" > datum< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Build Date"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > date< / 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" > datum< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "Version Number"< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "%S"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > The structure writeme_asset is accessed in 2/trs, 5/wt, 6/cs, 6/cln and here.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP9" class = "paragraph-anchor" > < / a > < b > § 9. < / b > That just leaves the business of inspecting assets to obtain their metadata.
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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" > writeme_asset< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Readme::find_asset< / 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" > Readme::find_asset< / span > < / span > :< br / > < a href = "6-rw.html#SP8" > § 8< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ;< / span >
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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" > A< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > writeme_asset< / 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" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > name< / span > < span class = "plain-syntax" > )) < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > 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" > program< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > if_web< / 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" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > date< / 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" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > version< / 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" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_is_version< / 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 = "named-paragraph-container code-font" > < a href = "6-rw.html#SP9_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Read in the asset< / span > < span class = "named-paragraph-number" > 9.1< / 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" > A< / 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 = "SP9_1" class = "paragraph-anchor" > < / a > < b > § 9.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Read in the asset< / span > < span class = "named-paragraph-number" > 9.1< / 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-sm.html#SP21" class = "function-link" > < span class = "function-syntax" > Str::ends_with_wide_string< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > ".i7x"< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP9_1_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Read in the extension file< / span > < span class = "named-paragraph-number" > 9.1.1< / span > < / a > < / 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 > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/8-ws.html#SP8" class = "function-link" > < span class = "function-syntax" > WebMetadata::directory_looks_like_a_web< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/3-pth.html#SP5" class = "function-link" > < span class = "function-syntax" > Pathnames::from_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ))) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > if_web< / span > < span class = "plain-syntax" > = < / span > < a href = "../foundation-module/8-ws.html#SP5" class = "function-link" > < span class = "function-syntax" > WebMetadata::get_without_modules< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/3-pth.html#SP5" class = "function-link" > < span class = "function-syntax" > Pathnames::from_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-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 = "reserved-syntax" > else< / 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" > I6_vn< / 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 = "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 > < a href = "../foundation-module/3-pth.html#SP5" class = "function-link" > < span class = "function-syntax" > Pathnames::from_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "inform6"< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "header.h"< / 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" > I6_vn< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP9_1_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Read in I6 source header file< / span > < span class = "named-paragraph-number" > 9.1.2< / span > < / a > < / 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" > template_vn< / 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 > < a href = "../foundation-module/3-pth.html#SP5" class = "function-link" > < span class = "function-syntax" > Pathnames::from_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "(manifest).txt"< / 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" > template_vn< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP9_1_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Read in template manifest file< / span > < span class = "named-paragraph-number" > 9.1.3< / span > < / a > < / 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" > rmt_vn< / 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 > < a href = "../foundation-module/3-pth.html#SP5" class = "function-link" > < span class = "function-syntax" > Pathnames::from_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "README.txt"< / 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" > rmt_vn< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP9_1_4" class = "named-paragraph-link" > < span class = "named-paragraph" > Read in README file< / span > < span class = "named-paragraph-number" > 9.1.4< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > rmt_vn< / 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 > < a href = "../foundation-module/3-pth.html#SP5" class = "function-link" > < span class = "function-syntax" > Pathnames::from_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > I< / span > < span class = "string-syntax" > "README.md"< / 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" > rmt_vn< / span > < span class = "plain-syntax" > )) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-rw.html#SP9_1_4" class = "named-paragraph-link" > < span class = "named-paragraph" > Read in README file< / span > < span class = "named-paragraph-number" > 9.1.4< / span > < / a > < / 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 = "6-rw.html#SP9" > § 9< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP9_1_1" class = "paragraph-anchor" > < / a > < b > § 9.1.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Read in the extension file< / span > < span class = "named-paragraph-number" > 9.1.1< / 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 > < a href = "../foundation-module/4-tf.html#SP5" class = "function-link" > < span class = "function-syntax" > TextFiles::read< / span > < / a > < span class = "plain-syntax" > (< / span > < a href = "../foundation-module/3-fln.html#SP3" class = "function-link" > < span class = "function-syntax" > Filenames::from_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > program< / span > < span class = "plain-syntax" > ), < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "unable to read extension"< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > & < / span > < a href = "6-rw.html#SP10" class = "function-link" > < span class = "function-syntax" > Readme::extension_harvester< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-rw.html#SP9_1" > § 9.1< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP9_1_2" class = "paragraph-anchor" > < / a > < b > § 9.1.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Read in I6 source header file< / span > < span class = "named-paragraph-number" > 9.1.2< / 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 = "../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" > I6_vn< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "unable to read header file from I6 source"< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > & < / span > < a href = "6-rw.html#SP11" class = "function-link" > < span class = "function-syntax" > Readme::header_harvester< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-rw.html#SP9_1" > § 9.1< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP9_1_3" class = "paragraph-anchor" > < / a > < b > § 9.1.3. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Read in template manifest file< / span > < span class = "named-paragraph-number" > 9.1.3< / 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 > < 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" > template_vn< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "unable to read manifest file from website template"< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > & < / span > < a href = "6-rw.html#SP12" class = "function-link" > < span class = "function-syntax" > Readme::template_harvester< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-rw.html#SP9_1" > § 9.1< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP9_1_4" class = "paragraph-anchor" > < / a > < b > § 9.1.4. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Read in README file< / span > < span class = "named-paragraph-number" > 9.1.4< / 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 = "../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" > rmt_vn< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "unable to read README file from website template"< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ,< / span >
< span class = "plain-syntax" > & < / span > < a href = "6-rw.html#SP13" class = "function-link" > < span class = "function-syntax" > Readme::readme_harvester< / span > < / a > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-rw.html#SP9_1" > § 9.1< / a > (twice).< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP10" class = "paragraph-anchor" > < / a > < b > § 10. < / b > The format for the contents section of a web is documented in Inweb.
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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" > Readme::extension_harvester< / 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" > Readme::extension_harvester< / span > < / span > :< br / > < a href = "6-rw.html#SP9_1_1" > § 9.1.1< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / 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" > state< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > state< / 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-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / 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 = "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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > " *Version (%c*?) of %c*begins here. *"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > version< / 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" > [0]);< / span >
< 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 = "SP11" class = "paragraph-anchor" > < / a > < b > § 11. < / b > Explicit code to read from < span class = "extract" > < span class = "extract-syntax" > header.h< / span > < / span > in the Inform 6 repository.
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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" > Readme::header_harvester< / 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" > Readme::header_harvester< / span > < / span > :< br / > < a href = "6-rw.html#SP9_1_2" > § 9.1.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / 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" > state< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > state< / 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-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / 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 = "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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "#define RELEASE_NUMBER (%c*?) *"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > version< / 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" > [0]);< / 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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "#define RELEASE_DATE \"(%c*?)\" *"< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > date< / 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" > [0]);< / span >
< 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 = "SP12" class = "paragraph-anchor" > < / a > < b > § 12. < / b > Explicit code to read from the manifest file of a website template.
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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" > Readme::template_harvester< / 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" > Readme::template_harvester< / span > < / span > :< br / > < a href = "6-rw.html#SP9_1_3" > § 9.1.3< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / 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" > state< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > state< / 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-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / 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 = "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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "%[INTERPRETERVERSION%]"< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > next_is_version< / 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 > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next_is_version< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > version< / 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" > text< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > next_is_version< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / 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" class = "paragraph-anchor" > < / a > < b > § 13. < / b > And this is needed for < span class = "extract" > < span class = "extract-syntax" > cheapglk< / span > < / span > and < span class = "extract" > < span class = "extract-syntax" > glulxe< / span > < / span > in the Inform repository.
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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" > Readme::readme_harvester< / 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" > Readme::readme_harvester< / span > < / span > :< br / > < a href = "6-rw.html#SP9_1_4" > § 9.1.4< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > text< / 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" > state< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = (< / span > < span class = "reserved-syntax" > writeme_asset< / span > < span class = "plain-syntax" > *) < / span > < span class = "identifier-syntax" > state< / 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-sm.html#SP8" class = "function-link" > < span class = "function-syntax" > Str::len< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > text< / 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 = "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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "CheapGlk Library: version (%c*?) *"< / span > < span class = "plain-syntax" > )) ||< / 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" > text< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > L< / span > < span class = "string-syntax" > "- Version (%c*?) *"< / span > < span class = "plain-syntax" > )))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > version< / 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" > [0]);< / span >
< 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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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "6-cs.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 = "progresschapter" > < a href = "4-pl.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-wt.html" > 5< / a > < / li > < li class = "progresscurrentchapter" > 6< / li > < li class = "progresssection" > < a href = "6-mkf.html" > mkf< / a > < / li > < li class = "progresssection" > < a href = "6-gs.html" > gs< / a > < / li > < li class = "progresssection" > < a href = "6-cs.html" > cs< / a > < / li > < li class = "progresscurrent" > rw< / li > < li class = "progresssection" > < a href = "6-cln.html" > cln< / a > < / li > < li class = "progressnext" > < a href = "6-cln.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
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< / main >
< / body >
< / html >