ParseTreeVisitor

This interface defines the basic notion of a parse tree visitor. Generated visitors implement this interface and the {@code XVisitor} interface for grammar {@code X}.

@param <T> The return type of the visit operation. Use {@link Void} for operations with no return type.

interface ParseTreeVisitor {

Variant visit(ParseTree tree);

Variant visitChildren(RuleNode node);

Variant visitTerminal(TerminalNode node);

Variant visitErrorNode(ErrorNode node);

}

Members

Functions

visit Variant visit(ParseTree tree): Visit a parse tree, and return a user-defined result of the operation.
visitChildren Variant visitChildren(RuleNode node): Visit the children of a node, and return a user-defined result of the operation.
visitErrorNode Variant visitErrorNode(ErrorNode node): Visit an error node, and return a user-defined result of the operation.
visitTerminal Variant visitTerminal(TerminalNode node): Visit a terminal node, and return a user-defined result of the operation.

ParseTreeVisitor

Members

Functions

Meta

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