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<!-- Weave of 'Unit Tests' generated by Inweb -->
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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../units.html" > Unit Test Tools< / a > < / li > < li > < a href = "index.html" > syntax-test< / a > < / li > < li > < a href = "index.html#1" > Chapter 1: Scaffolding< / a > < / li > < li > < b > Unit Tests< / b > < / li > < / ul > < / div >
< p class = "purpose" > How we shall test it.< / p >
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< ul class = "toc" > < li > < a href = "1-ut.html#SP1" > § 1. < / a > < / li > < li > < a href = "1-ut.html#SP2" > § 2. Syntax tree< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" > < / a > < b > § 1. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > dividing< / span > < span class = "plain-syntax" > -< / span > < span class = "identifier-syntax" > sentence< / span > < span class = "plain-syntax" > > ::=< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > chapter< / span > < span class = "plain-syntax" > ... | ==> < / span > < span class = "constant-syntax" > 1< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > section< / span > < span class = "plain-syntax" > ... ==> < / span > < span class = "constant-syntax" > 2< / span >
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< span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > structural< / span > < span class = "plain-syntax" > -< / span > < span class = "identifier-syntax" > sentence< / span > < span class = "plain-syntax" > > ::=< / span >
< span class = "plain-syntax" > ... ==> < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FAIL_NONTERMINAL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < < / span > < span class = "identifier-syntax" > language< / span > < span class = "plain-syntax" > -< / span > < span class = "identifier-syntax" > modifying< / span > < span class = "plain-syntax" > -< / span > < span class = "identifier-syntax" > sentence< / span > < span class = "plain-syntax" > > ::=< / span >
< span class = "plain-syntax" > ... ==> < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ; < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > FAIL_NONTERMINAL< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2" > < / a > < b > § 2. Syntax tree. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > parse_node_tree< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Unit::test_tree< / 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" > Unit::test_tree< / span > < / span > :< br / > Program Control - < a href = "1-pc.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" > arg< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > = < / span > < a href = "../../../inweb/docs/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" > arg< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "constant-syntax" > feed_t< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > FD< / span > < span class = "plain-syntax" > = < / span > < a href = "../words-module/3-fds.html#SP3" class = "function-link" > < span class = "function-syntax" > Feeds::begin< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > source_file< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > sf< / span > < span class = "plain-syntax" > = < / span > < a href = "../words-module/3-tff.html#SP3" class = "function-link" > < span class = "function-syntax" > TextFromFiles::feed_into_lexer< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > NULL_GENERAL_POINTER< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > = < / span > < a href = "../words-module/3-fds.html#SP3" class = "function-link" > < span class = "function-syntax" > Feeds::end< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > FD< / 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" > sf< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) { < / span > < span class = "identifier-syntax" > PRINT< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "File has failed to open\n"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > = < / span > < a href = "../syntax-module/2-pt.html#SP1" class = "function-link" > < span class = "function-syntax" > ParseTree::new_tree< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PRINT< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Read %d words\n"< / span > < span class = "plain-syntax" > , < / span > < a href = "../words-module/3-wrd.html#SP8" class = "function-link" > < span class = "function-syntax" > Wordings::length< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < a href = "../syntax-module/2-snt.html#SP5" class = "function-link" > < span class = "function-syntax" > Sentences::break< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > text_stream< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > save_DL< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > DL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DL< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > STDOUT< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "../../../inweb/docs/foundation-module/2-str.html#SP20" class = "function-link" > < span class = "function-syntax" > Streams::enable_debugging< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > DL< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "../syntax-module/2-pt.html#SP45" class = "function-link" > < span class = "function-syntax" > ParseTree::log_tree< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > DL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > root_node< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > DL< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > save_DL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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