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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../services.html" > Services< / a > < / li > < li > < a href = "index.html" > linguistics-test< / a > < / li > < li > < a href = "index.html#1" > Chapter 1: Scaffolding< / a > < / li > < li > < b > Diagramming< / b > < / li > < / ul > < / div >
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< p class = "purpose" > Turning a file of natural language into a syntax tree.< / p >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. < / b > Everything is now set up to read in a text file, break it into sentences,
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and then hand each one to < a href = "../linguistics-module/index.html" class = "internal" > linguistics< / a > in turn to construct syntax diagrams.
< / p >
< p class = "commentary" > We need to tell < a href = "../linguistics-module/index.html" class = "internal" > linguistics< / a > which parts of a verb we will allow in these
sentences — the answer being, all of them. (Inform is more restrictive.)
< / p >
< pre class = "definitions code-font" > < span class = "definition-keyword" > define< / span > < span class = "constant-syntax" > ALLOW_VERB_IN_ASSERTIONS_LINGUISTICS_CALLBACK< / span > < span class = "plain-syntax" > < / span > < a href = "1-dgr2.html#SP1" class = "function-link" > < span class = "function-syntax" > Diagramming::allow_in_assertions< / span > < / a >
< / pre >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Diagramming::allow_in_assertions< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > verb_conjugation< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > vc< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > tense< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > sense< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > person< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "constant-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > And so here goes.
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< / p >
< 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" > parse_node_tree< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > Diagramming::test_diagrams< / 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" > Diagramming::test_diagrams< / span > < / span > :< br / > Program Control - < a href = "1-pc.html#SP3" > § 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" > arg< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > raw< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > = < / span > < a href = "../syntax-module/2-st.html#SP2" class = "function-link" > < span class = "function-syntax" > SyntaxTree::new< / span > < / a > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "1-dgr2.html#SP2_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Turn the file into a syntax tree< / span > < span class = "named-paragraph-number" > 2.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "1-dgr2.html#SP2_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Use the linguistics module on each sentence< / span > < span class = "named-paragraph-number" > 2.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2_1" class = "paragraph-anchor" > < / a > < b > § 2.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Turn the file into a syntax tree< / span > < span class = "named-paragraph-number" > 2.1< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > filename< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > F< / span > < span class = "plain-syntax" > = < / span > < a href = "../../../inweb/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 >
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< 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#SP2" 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#SP2" 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 = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ; }< / span >
< span class = "plain-syntax" > < / span > < a href = "../syntax-module/3-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 >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "1-dgr2.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_2" class = "paragraph-anchor" > < / a > < b > § 2.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Use the linguistics module on each sentence< / span > < span class = "named-paragraph-number" > 2.2< / span > < / span > < span class = "comment-syntax" > =< / span >
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< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < a href = "../syntax-module/2-st.html#SP10" class = "function-link" > < span class = "function-syntax" > SyntaxTree::traverse< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > , < / span > < a href = "1-dgr2.html#SP3" class = "function-link" > < span class = "function-syntax" > Diagramming::diagram< / span > < / a > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > raw< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < a href = "1-dgr2.html#SP4" class = "function-link" > < span class = "function-syntax" > Diagramming::parse_noun_phrases< / span > < / a > < 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 >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "1-dgr2.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. < / b > The work of the < a href = "../words-module/index.html" class = "internal" > words< / a > and < a href = "../syntax-module/index.html" class = "internal" > syntax< / a > modules means that we now have a
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rudimentary syntax tree, in which each sentence is just a single < span class = "extract" > < span class = "extract-syntax" > SENTENCE_NT< / span > < / span >
node without children. We look for these, and apply < sentence> , the most
powerful nonterminal from the < a href = "../linguistics-module/index.html" class = "internal" > linguistics< / a > module, to them. All being well
(i.e., if any sentence structure can be found), this returns a subtree of
further nodes, which we graft below the < span class = "extract" > < span class = "extract-syntax" > SENTENCE_NT< / span > < / span > .
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Diagramming::diagram< / 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" > Diagramming::diagram< / span > < / span > :< br / > < a href = "1-dgr2.html#SP2_2" > § 2.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < a href = "../syntax-module/2-pn.html#SP5" class = "function-link" > < span class = "function-syntax" > Node::get_type< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > SENTENCE_NT< / 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 = "../syntax-module/2-pn.html#SP4" class = "function-link" > < span class = "function-syntax" > Node::get_text< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < sentence> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > = < / span > < span class = "function-syntax" > < < rp> > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < a href = "../syntax-module/2-na.html#SP7" class = "function-link" > < span class = "function-syntax" > Annotations::read_int< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > linguistic_error_here_ANNOT< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TwoLikelihoods_LINERROR:< / span >
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< span class = "plain-syntax" > < / span > < a href = "../../../inweb/foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::nowhere< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "sentence has two certainties"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > default:< / span >
< span class = "plain-syntax" > < / span > < a href = "../syntax-module/2-st.html#SP6" class = "function-link" > < span class = "function-syntax" > SyntaxTree::graft< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > syntax_tree< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > n< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
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< span class = "plain-syntax" > < / span > < a href = "../../../inweb/foundation-module/3-em.html#SP5" class = "function-link" > < span class = "function-syntax" > Errors::nowhere< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "sentence has no primary verb"< / span > < span class = "plain-syntax" > );< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > That sorts out the verbs and prepositions, but the noun phrases are not
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by default parsed: they are simply left as < span class = "extract" > < span class = "extract-syntax" > UNPARSED_NOUN_NT< / span > < / span > nodes.
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > Diagramming::parse_noun_phrases< / 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" > Diagramming::parse_noun_phrases< / span > < / span > :< br / > < a href = "1-dgr2.html#SP2_2" > § 2.2< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (; < / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next< / 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 = "../syntax-module/2-pn.html#SP5" class = "function-link" > < span class = "function-syntax" > Node::get_type< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > ) == < / span > < span class = "constant-syntax" > UNPARSED_NOUN_NT< / span > < span class = "plain-syntax" > ) < / span > < a href = "../linguistics-module/2-nns.html#SP16" class = "function-link" > < span class = "function-syntax" > Nouns::recognise< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / span > < span class = "plain-syntax" > );< / span >
2020-07-19 20:31:23 +03:00
< span class = "plain-syntax" > < / span > < a href = "1-dgr2.html#SP4" class = "function-link" > < span class = "function-syntax" > Diagramming::parse_noun_phrases< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > p< / 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 >
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