org.antlr.v4.tool.ast

Interface GrammarASTVisitor

public interface GrammarASTVisitor

A simple visitor, based upon the classic double dispatch method, for walking GrammarAST trees resulting from parsing ANTLR grammars. There is also the GrammarTreeVisitor.g tree grammar that looks for subtree patterns and fires off high-level events as opposed to "found node" events like this visitor does. Also, like all visitors, the users of this interface are required to implement the node visitation of the children. The GrammarTreeVisitor mechanism fires events and the user is not required to do any walking code. GrammarAST t = ...; GrammarASTVisitor v = new ...; t.visit(v);

Method Summary

Methods

Modifier and Type	Method and Description
Object	visit(AltAST node)
Object	visit(BlockAST node)
Object	visit(GrammarAST node) This is the generic visitor method that will be invoked for any other kind of AST node not covered by the other visit methods.
Object	visit(GrammarRootAST node)
Object	visit(NotAST node)
Object	visit(OptionalBlockAST node)
Object	visit(PlusBlockAST node)
Object	visit(PredAST node)
Object	visit(RangeAST node)
Object	visit(RuleAST node)
Object	visit(RuleRefAST node)
Object	visit(SetAST node)
Object	visit(StarBlockAST node)
Object	visit(TerminalAST node)

Method Detail

visit

Object visit(GrammarAST node)

This is the generic visitor method that will be invoked for any other kind of AST node not covered by the other visit methods.

visit

Object visit(GrammarRootAST node)

visit

Object visit(RuleAST node)

visit

Object visit(BlockAST node)

visit

Object visit(OptionalBlockAST node)

visit

Object visit(PlusBlockAST node)

visit

Object visit(StarBlockAST node)

visit

Object visit(AltAST node)

visit

Object visit(NotAST node)

visit

Object visit(PredAST node)

visit

Object visit(RangeAST node)

visit

Object visit(SetAST node)

visit

Object visit(RuleRefAST node)

visit

Object visit(TerminalAST node)