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< ul class = "crumbs" > < li > < a href = "../index.html" > Home< / a > < / li > < li > < a href = "../inform7n.html" > Inform7< / a > < / li > < li > < a href = "index.html" > if< / a > < / li > < li > < a href = "index.html#6" > Chapter 6: Dialogue< / a > < / li > < li > < b > Dialogue Choices< / b > < / li > < / ul > < / div >
< p class = "purpose" > To manage dialogue choices.< / p >
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< ul class = "toc" > < li > < a href = "6-dc.html#SP1" > § 1. Scanning the dialogue choices in pass 0< / a > < / li > < li > < a href = "6-dc.html#SP3" > § 3. Processing choices after pass 1< / a > < / li > < / ul > < hr class = "tocbar" >
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< p class = "commentary firstcommentary" > < a id = "SP1" class = "paragraph-anchor" > < / a > < b > § 1. Scanning the dialogue choices in pass 0. < / b > Choices have already been parsed a little. For example,
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > -- (< / span > < span class = "identifier-syntax" > if< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > the< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > shortbread< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > is< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > carried< / span > < span class = "plain-syntax" > ) < / span > < span class = "string-syntax" > "Offer the shortbread"< / span >
< / pre >
< p class = "commentary" > will have become:
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > DIALOGUE_CHOICE_NT< / span >
< span class = "plain-syntax" > DIALOGUE_SELECTION_NT ""Offer the shortbread""< / span >
< span class = "plain-syntax" > DIALOGUE_CLAUSE_NT "if the shortbread is carried"< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP2" class = "paragraph-anchor" > < / a > < b > § 2. < / b > < / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > dialogue_choice< / span > < span class = "plain-syntax" > *< / span > < span class = "function-syntax" > DialogueChoices::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > PN< / 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" > L< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Annotations::read_int< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PN< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dialogue_level_ANNOT< / 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" > L< / span > < span class = "plain-syntax" > < < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > 0< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > flow_control< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > dialogue_choice< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > CREATE< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > dialogue_choice< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "6-dc.html#SP2_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Initialise the choice< / span > < span class = "named-paragraph-number" > 2.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "6-dc.html#SP2_3" class = "named-paragraph-link" > < span class = "named-paragraph" > Parse the clauses just enough to classify them< / span > < span class = "named-paragraph-number" > 2.3< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "named-paragraph-container code-font" > < a href = "6-dc.html#SP2_8" class = "named-paragraph-link" > < span class = "named-paragraph" > Add the choice to the world model< / span > < span class = "named-paragraph-number" > 2.8< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > as_node< / span > < span class = "plain-syntax" > = < / span > < a href = "6-dn.html#SP3" class = "function-link" > < span class = "function-syntax" > DialogueNodes::add_to_current_beat< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > L< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dc< / 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" > dc< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
< p class = "commentary firstcommentary" > < a id = "SP2_1" class = "paragraph-anchor" > < / a > < b > § 2.1. < / b > < / p >
< pre class = "displayed-code all-displayed-code code-font" >
< 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" > dialogue_choice< / 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 = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > choice_at< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > choice_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 = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > as_instance< / 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" > dialogue_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > as_node< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > struct< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > selection< / 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 = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > selection_parameter< / 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" > dialogue_beat< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > to_perform< / 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 = "identifier-syntax" > dialogue_choice_compilation_data< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > compilation_data< / 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" > selection_type< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CLASS_DEFINITION< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > dialogue_choice< / span > < span class = "plain-syntax" > ;< / span >
< / pre >
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< ul class = "endnotetexts" > < li > The structure dialogue_choice is accessed in 3/scn, 4/ap, 4/act, 4/as, 4/nap, 4/gng, 5/pp, 5/cg, 5/cgl, 5/ts, 6/dlg, 6/db, 6/dl, 6/dn, 6/ps and here.< / 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" > Initialise the choice< / span > < span class = "named-paragraph-number" > 2.2< / span > < / span > < span class = "comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > choice_at< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > PN< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > choice_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > as_node< / 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" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection< / 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" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_parameter< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > EMPTY_WORDING< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > to_perform< / 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" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_type< / span > < span class = "plain-syntax" > = < / span > < span class = "constant-syntax" > AGAIN_DSEL< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > compilation_data< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > RTDialogueChoices::new< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PN< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > );< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-dc.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_3" class = "paragraph-anchor" > < / a > < b > § 2.3. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Parse the clauses just enough to classify them< / span > < span class = "named-paragraph-number" > 2.3< / 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 > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > failed_already< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > for< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > PN< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CW< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Node::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > clause< / 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" > Node::is< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > DIALOGUE_CLAUSE_NT< / 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 = "function-syntax" > < dialogue-choice-clause> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > CW< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Annotations::write_int< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dialogue_choice_clause_ANNOT< / span > < span class = "plain-syntax" > , < / span > < span class = "function-syntax" > < < r> > < / 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" > < < r> > < / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > CHOICE_NAME_DCC< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NW< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < dialogue-choice-clause> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / 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" > < instance> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > NW< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > instance< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > = < / span > < span class = "function-syntax" > < < rp> > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < a href = "6-db.html#SP4" class = "function-link" > < span class = "function-syntax" > DialogueBeats::non_unique_instance_problem< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > I< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > K_dialogue_choice< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > choice_name< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > NW< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Node::is< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > DIALOGUE_SELECTION_NT< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > clause< / 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 = "function-syntax" > < dialogue-selection> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > CW< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_type< / span > < span class = "plain-syntax" > = < / span > < span class = "function-syntax" > < < r> > < / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_type< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > INSTEAD_OF_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > AFTER_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > BEFORE_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PERFORM_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_parameter< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < dialogue-selection> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_wording< / span > < span class = "plain-syntax" > (2, < / span > < span class = "identifier-syntax" > CW< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ChoiceSelectionUnknown< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "The dialogue choice offered by %1 is apparently '%2', but that "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "isn't one of the possible ways to write a choice."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > failed_already< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / 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 > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "damaged DIALOGUE_CHOICE_NT subtree"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > failed_already< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ) < / span > < span class = "named-paragraph-container code-font" > < a href = "6-dc.html#SP2_3_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Check the flow notation< / span > < span class = "named-paragraph-number" > 2.3.1< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-dc.html#SP2" > § 2< / a > .< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_3_1" class = "paragraph-anchor" > < / a > < b > § 2.3.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Check the flow notation< / span > < span class = "named-paragraph-number" > 2.3.1< / 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 > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > left_arrow< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > right_arrow< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dash< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_type< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > INSTEAD_OF_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > AFTER_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > BEFORE_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > OTHERWISE_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > TEXTUAL_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dash< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > AGAIN_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > left_arrow< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PERFORM_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > STOP_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > NEW_CHOICE_DSEL:< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > right_arrow< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > vocabulary_entry< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > symbol< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Lexer::word< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::first_wn< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Node::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PN< / 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" > dash< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > symbol< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > DOUBLEDASH_V< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ChoiceDashDashExpected< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "The dialogue choice offered by %1 should open with '--', "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "since it offers a choice, rather than '-> ' or '< -' which "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "relate to the flow of the script."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > left_arrow< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > symbol< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > LEFTARROW_V< / 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" > symbol< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > DOUBLEDASH_V< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > PN< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection< / 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" > current_sentence< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > choice_at< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (), < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ChoiceSelectionMissing< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "The dialogue choice offered by %1 doesn't say what the option actually is, "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "which is allowed only if it is a simple '--' used as a divider. Here, it "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "seems to have some bracketed annotations as well. That must be wrong."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ChoiceLeftArrowExpected< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "The dialogue choice offered by %1 should open with '< -', "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "since it relates to backwards flow within the current beat, "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "rather than '-> ' (forwards flow) or '--' (an option)."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > right_arrow< / span > < span class = "plain-syntax" > ) & & (< / span > < span class = "identifier-syntax" > symbol< / span > < span class = "plain-syntax" > != < / span > < span class = "identifier-syntax" > RIGHTARROW_V< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ChoiceRightArrowExpected< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "The dialogue choice offered by %1 should open with '-> ', "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "since it relates to flow out of the current beat, "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "rather than '< -' (backwards flow) or '--' (an option)."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > }< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > left_arrow< / span > < span class = "plain-syntax" > ) || (< / span > < span class = "identifier-syntax" > right_arrow< / span > < span class = "plain-syntax" > )) < / span > < span class = "identifier-syntax" > flow_control< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > TRUE< / span > < span class = "plain-syntax" > ;< / span >
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< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "6-dc.html#SP2_3" > § 2.3< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP2_4" class = "paragraph-anchor" > < / a > < b > § 2.4. < / b > As with the analogous clauses for < a href = "6-db.html" class = "internal" > Dialogue Beats< / a > , each clause can be one
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of the following possibilities:
< / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > CHOICE_NAME_DCC< / 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 = "definition-keyword" > enum< / span > < span class = "constant-syntax" > IF_DCC< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > UNLESS_DCC< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > PROPERTY_DCC< / span >
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< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2_5" class = "paragraph-anchor" > < / a > < b > § 2.5. < / b > Using:
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< / p >
< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < dialogue-choice-clause> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
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< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > this< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > is< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > the< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > {< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > choice< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > }< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { CHOICE_NAME_DCC, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > if< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { IF_DCC, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > unless< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { UNLESS_DCC, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { PROPERTY_DCC, - }< / span >
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< / pre >
< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_6" class = "paragraph-anchor" > < / a > < b > § 2.6. < / b > < / p >
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< pre class = "displayed-code all-displayed-code code-font" >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > DialogueChoices::write_dcc< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > OUTPUT_STREAM< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > int< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > ) {< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CHOICE_NAME_DCC:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "CHOICE_NAME"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > IF_DCC:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "IF"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > UNLESS_DCC:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "UNLESS"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PROPERTY_DCC:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "PROPERTY"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > default:< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "?"< / span > < span class = "plain-syntax" > ); < / span > < span class = "reserved-syntax" > break< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< p class = "commentary firstcommentary" > < a id = "SP2_7" class = "paragraph-anchor" > < / a > < b > § 2.7. < / b > < / p >
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< pre class = "definitions code-font" > < span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > NEW_CHOICE_DSEL< / 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 = "definition-keyword" > enum< / span > < span class = "constant-syntax" > TEXTUAL_DSEL< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > AGAIN_DSEL< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > STOP_DSEL< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > OTHERWISE_DSEL< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > INSTEAD_OF_DSEL< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > AFTER_DSEL< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > BEFORE_DSEL< / span >
< span class = "definition-keyword" > enum< / span > < span class = "constant-syntax" > PERFORM_DSEL< / span >
< / pre >
< pre class = "Preform-displayed-code all-displayed-code code-font" >
< span class = "Preform-function-syntax" > < dialogue-selection> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ::=< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-function-syntax" > < quoted-text> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { TEXTUAL_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > another< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > choice< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { NEW_CHOICE_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > stop< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { STOP_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > otherwise< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { OTHERWISE_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > instead< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > of< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { INSTEAD_OF_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > after< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { AFTER_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > before< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { BEFORE_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > perform< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-function-syntax" > < definite-article> < / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > |< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { PERFORM_DSEL, - }< / span >
< span class = "Preform-plain-syntax" > < / span > < span class = "Preform-constant-syntax" > perform< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ...< / span > < span class = "Preform-plain-syntax" > < / span > < span class = "Preform-reserved-syntax" > ==> < / span > < span class = "Preform-plain-syntax" > { PERFORM_DSEL, - }< / span >
< / pre >
< ul class = "endnotetexts" > < li > This is < a href = "../words-module/4-ap.html" class = "internal" > Preform grammar< / a > , not regular C code.< / li > < / ul >
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< p class = "commentary firstcommentary" > < a id = "SP2_8" class = "paragraph-anchor" > < / a > < b > § 2.8. < / b > Each choice produces an instance of the kind < span class = "extract" > < span class = "Preform-extract-syntax" > dialogue choice< / span > < / span > , using the name
given in its clauses if one was.
< / p >
< p class = "commentary" > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Add the choice to the world model< / span > < span class = "named-paragraph-number" > 2.8< / span > < / span > < span class = "Preform-comment-syntax" > =< / span >
< / p >
< pre class = "displayed-code all-displayed-code code-font" >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_dialogue_choice< / span > < span class = "plain-syntax" > == < / span > < span class = "identifier-syntax" > NULL< / span > < span class = "plain-syntax" > ) < / span > < span class = "identifier-syntax" > internal_error< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "DialogueKit has not created K_dialogue_choice"< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > choice_name< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Wordings::empty< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > W< / 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" > faux_name< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > flow_control< / 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" > faux_name< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "flow-%d"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > allocation_id< / span > < span class = "plain-syntax" > + < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > else< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > WRITE_TO< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > faux_name< / span > < span class = "plain-syntax" > , < / span > < span class = "string-syntax" > "choice-%d"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > allocation_id< / span > < span class = "plain-syntax" > + < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Feeds::feed_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > faux_name< / 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" > faux_name< / span > < span class = "plain-syntax" > )< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Propositions::Abstract::to_create_something< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_dialogue_choice< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > W< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Assert::true< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > CERTAIN_CE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > as_instance< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::latest< / span > < span class = "plain-syntax" > ();< / span >
< / pre >
< ul class = "endnotetexts" > < li > This code is used in < a href = "6-dc.html#SP2" > § 2< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP3" class = "paragraph-anchor" > < / a > < b > § 3. Processing choices after pass 1. < / b > It's now a little later, and the following is called to look at each choice.
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There's not much to do: just to identify the beat to be performed, if there
is one.
< / 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" > DialogueChoices::decide_choice_performs< / 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" > DialogueChoices::decide_choice_performs< / span > < / span > :< br / > Dialogue - < a href = "6-dlg.html#SP11" > § 11< / a > < / span > < / button > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > dialogue_choice< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > dialogue_choice< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > choice_at< / 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" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > choice_at< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > ; < / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > next< / 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" > Node::is< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > DIALOGUE_CLAUSE_NT< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > CW< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Node::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > clause< / 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" > c< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Annotations::read_int< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > clause< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dialogue_choice_clause_ANNOT< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > switch< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > c< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > case< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > PROPERTY_DCC:< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "function-syntax" > < dialogue-choice-clause> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > CW< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > GET_RW< / span > < span class = "plain-syntax" > (< / span > < span class = "function-syntax" > < dialogue-choice-clause> < / span > < span class = "plain-syntax" > , < / span > < span class = "constant-syntax" > 1< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "function-syntax" > < np-articled-list> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > AL< / 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 > < a href = "6-dc.html#SP3" class = "function-link" > < span class = "function-syntax" > DialogueChoices::parse_property< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > AL< / 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 = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_type< / span > < span class = "plain-syntax" > == < / span > < span class = "constant-syntax" > PERFORM_DSEL< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > dialogue_beat< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > db< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOOP_OVER< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > db< / span > < span class = "plain-syntax" > , < / span > < span class = "reserved-syntax" > dialogue_beat< / 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" > Wordings::match< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_parameter< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > db< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > beat_name< / span > < span class = "plain-syntax" > ))< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > to_perform< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > db< / 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" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > to_perform< / 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" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_wording< / span > < span class = "plain-syntax" > (2, < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > selection_parameter< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ChoicePerformsUnknown< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "The dialogue choice offered by %1 asks to perform the beat '%2', "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "but I don't recognise that as the name of any beat in the story."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < span class = "plain-syntax" > ();< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Dialogue beat: $O\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > to_perform< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > as_instance< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "reserved-syntax" > void< / span > < span class = "plain-syntax" > < / span > < span class = "function-syntax" > DialogueChoices::parse_property< / span > < span class = "plain-syntax" > (< / span > < span class = "reserved-syntax" > dialogue_choice< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > AL< / 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" > Node::is< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > AL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > AND_NT< / span > < span class = "plain-syntax" > )) {< / span >
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< span class = "plain-syntax" > < / span > < a href = "6-dc.html#SP3" class = "function-link" > < span class = "function-syntax" > DialogueChoices::parse_property< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > AL< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < a href = "6-dc.html#SP3" class = "function-link" > < span class = "function-syntax" > DialogueChoices::parse_property< / span > < / a > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > AL< / span > < span class = "plain-syntax" > -> < / span > < span class = "identifier-syntax" > down< / 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" > else< / span > < span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Node::is< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > AL< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > UNPARSED_NOUN_NT< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > inference_subject< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Instances::as_subject< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > dc< / span > < span class = "plain-syntax" > -> < / span > < span class = "element-syntax" > as_instance< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > wording< / span > < span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Node::get_text< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > AL< / 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" > < s-value-uncached> < / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > parse_node< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > = < / span > < span class = "function-syntax" > < < rp> > < / 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" > Rvalues::is_CONSTANT_construction< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > CON_property< / span > < span class = "plain-syntax" > )) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > property< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Rvalues::to_property< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / 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" > Properties::is_either_or< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prn< / 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-dc.html#SP3_1" class = "named-paragraph-link" > < span class = "named-paragraph" > Assert that the choice has this property< / span > < span class = "named-paragraph-number" > 3.1< / 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 = "plain-syntax" > }< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > if< / span > < span class = "plain-syntax" > ((< / span > < span class = "identifier-syntax" > Specifications::is_description< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > )) || (< / span > < span class = "identifier-syntax" > Node::is< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > TEST_VALUE_NT< / 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-dc.html#SP3_2" class = "named-paragraph-link" > < span class = "named-paragraph" > Assert that the choice has this property value< / span > < span class = "named-paragraph-number" > 3.2< / span > < / a > < / span > < span class = "plain-syntax" > ;< / span >
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< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Unexpected prop: $T\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > val< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > } < / span > < span class = "reserved-syntax" > else< / span > < span class = "plain-syntax" > {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > LOG< / span > < span class = "plain-syntax" > (< / span > < span class = "string-syntax" > "Unrecognised prop: '%W'\n"< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > }< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_source< / span > < span class = "plain-syntax" > (1, < / span > < span class = "identifier-syntax" > current_sentence< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::quote_wording< / span > < span class = "plain-syntax" > (2, < / span > < span class = "identifier-syntax" > A< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > StandardProblems::handmade_problem< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > Task::syntax_tree< / span > < span class = "plain-syntax" > (),< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > _p_< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > PM_ChoiceMarkupUnknown< / span > < span class = "plain-syntax" > ));< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_segment< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "The dialogue choice %1 should apparently be '%2', but that "< / span >
< span class = "plain-syntax" > < / span > < span class = "string-syntax" > "isn't something I recognise as a property which a choice can have."< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Problems::issue_problem_end< / span > < 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 = "SP3_1" class = "paragraph-anchor" > < / a > < b > § 3.1. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Assert that the choice has this property< / span > < span class = "named-paragraph-number" > 3.1< / 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 > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > AdjectivalPredicates::new_atom_on_x< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > EitherOrProperties::as_adjective< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prn< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > FALSE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Propositions::concatenate< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Propositions::Abstract::prop_to_set_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_dialogue_choice< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Assert::true_about< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > CERTAIN_CE< / span > < span class = "plain-syntax" > );< / span >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "6-dc.html#SP3" > § 3< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP3_2" class = "paragraph-anchor" > < / a > < b > § 3.2. < / b > < span class = "named-paragraph-container code-font" > < span class = "named-paragraph-defn" > Assert that the choice has this property value< / span > < span class = "named-paragraph-number" > 3.2< / 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 > < span class = "identifier-syntax" > pcalc_prop< / span > < span class = "plain-syntax" > *< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Descriptions::to_proposition< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > val< / 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" > prop< / span > < span class = "plain-syntax" > ) {< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > = < / span > < span class = "identifier-syntax" > Propositions::concatenate< / span > < span class = "plain-syntax" > (< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Propositions::Abstract::prop_to_set_kind< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > K_dialogue_choice< / span > < span class = "plain-syntax" > ), < / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "identifier-syntax" > Assert::true_about< / span > < span class = "plain-syntax" > (< / span > < span class = "identifier-syntax" > prop< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > subj< / span > < span class = "plain-syntax" > , < / span > < span class = "identifier-syntax" > CERTAIN_CE< / span > < span class = "plain-syntax" > );< / span >
< span class = "plain-syntax" > < / span > < span class = "reserved-syntax" > return< / span > < span class = "plain-syntax" > ;< / span >
< span class = "plain-syntax" > }< / span >
< / pre >
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< ul class = "endnotetexts" > < li > This code is used in < a href = "6-dc.html#SP3" > § 3< / a > .< / li > < / ul >
< p class = "commentary firstcommentary" > < a id = "SP4" class = "paragraph-anchor" > < / a > < b > § 4. < / b > So what remains to be done? Everything is done except for code to be compiled
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at runtime. See < a href = "../runtime-module/5-dci.html" class = "internal" > Dialogue Choice Instances (in runtime)< / a > .
< / p >
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< nav role = "progress" > < div class = "progresscontainer" >
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< ul class = "progressbar" > < li class = "progressprev" > < a href = "6-dl.html" > ❮ < / a > < / li > < li class = "progresschapter" > < a href = "P-wtmd.html" > P< / a > < / li > < li class = "progresschapter" > < a href = "1-im.html" > 1< / a > < / li > < li class = "progresschapter" > < a href = "2-bd.html" > 2< / a > < / li > < li class = "progresschapter" > < a href = "3-sm.html" > 3< / a > < / li > < li class = "progresschapter" > < a href = "4-ap.html" > 4< / a > < / li > < li class = "progresschapter" > < a href = "5-pp.html" > 5< / a > < / li > < li class = "progresscurrentchapter" > 6< / li > < li class = "progresssection" > < a href = "6-dlg.html" > dlg< / a > < / li > < li class = "progresssection" > < a href = "6-db.html" > db< / a > < / li > < li class = "progresssection" > < a href = "6-dl.html" > dl< / a > < / li > < li class = "progresscurrent" > dc< / li > < li class = "progresssection" > < a href = "6-dn.html" > dn< / a > < / li > < li class = "progresssection" > < a href = "6-dr.html" > dr< / a > < / li > < li class = "progresssection" > < a href = "6-ps.html" > ps< / a > < / li > < li class = "progressnext" > < a href = "6-dn.html" > ❯ < / a > < / li > < / ul > < / div >
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< / nav > <!-- End of weave -->
< / main >
< / body >
< / html >