org.h2.bnf

Interface BnfVisitor

All Known Implementing Classes:

BnfRailroad, BnfRandom, BnfSyntax

public interface BnfVisitor

The visitor interface for BNF rules.

Method Summary

Modifier and Type	Method and Description
void	visitRuleElement(boolean keyword, java.lang.String name, Rule link) Visit a rule element.
void	visitRuleFixed(int type) Visit a fixed rule.
void	visitRuleList(boolean or, java.util.ArrayList<Rule> list) Visit a rule list.
void	visitRuleOptional(Rule rule) Visit an optional rule.
void	visitRuleRepeat(boolean comma, Rule rule) Visit a repeat rule.

Method Detail

visitRuleElement

void visitRuleElement(boolean keyword,
                      java.lang.String name,
                      Rule link)

Visit a rule element.

Parameters:

keyword - whether this is a keyword

name - the element name

link - the linked rule if it's not a keyword

visitRuleRepeat

void visitRuleRepeat(boolean comma,
                     Rule rule)

Visit a repeat rule.

Parameters:

comma - whether the comma is repeated as well

rule - the element to repeat

visitRuleFixed

void visitRuleFixed(int type)

Visit a fixed rule.

Parameters:

type - the type

visitRuleList

void visitRuleList(boolean or,
                   java.util.ArrayList<Rule> list)

Visit a rule list.

Parameters:

or - true for OR, false for AND

list - the rules

visitRuleOptional

void visitRuleOptional(Rule rule)

Visit an optional rule.

Parameters:

rule - the rule