Package org.h2.bnf
Interface BnfVisitor
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public interface BnfVisitor
The visitor interface for BNF rules.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
visitRuleElement(boolean keyword, java.lang.String name, Rule link)
Visit a rule element.void
visitRuleExtension(Rule rule, boolean compatibility)
Visit a rule with non-standard extension.void
visitRuleFixed(int type)
Visit a fixed rule.void
visitRuleList(boolean or, java.util.ArrayList<Rule> list)
Visit a rule list.void
visitRuleOptional(java.util.ArrayList<Rule> list)
Visit an OR list of optional rules.void
visitRuleOptional(Rule rule)
Visit an optional rule.void
visitRuleRepeat(boolean comma, Rule rule)
Visit a repeat rule.
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Method Detail
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visitRuleElement
void visitRuleElement(boolean keyword, java.lang.String name, Rule link)
Visit a rule element.- Parameters:
keyword
- whether this is a keywordname
- the element namelink
- the linked rule if it's not a keyword
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visitRuleRepeat
void visitRuleRepeat(boolean comma, Rule rule)
Visit a repeat rule.- Parameters:
comma
- whether the comma is repeated as wellrule
- the element to repeat
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visitRuleFixed
void visitRuleFixed(int type)
Visit a fixed rule.- Parameters:
type
- the type
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visitRuleList
void visitRuleList(boolean or, java.util.ArrayList<Rule> list)
Visit a rule list.- Parameters:
or
- true for OR, false for ANDlist
- the rules
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visitRuleOptional
void visitRuleOptional(Rule rule)
Visit an optional rule.- Parameters:
rule
- the rule
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visitRuleOptional
void visitRuleOptional(java.util.ArrayList<Rule> list)
Visit an OR list of optional rules.- Parameters:
list
- the optional rules
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visitRuleExtension
void visitRuleExtension(Rule rule, boolean compatibility)
Visit a rule with non-standard extension.- Parameters:
rule
- the rulecompatibility
- whether this rule exists for compatibility only
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