org.hibernate.hql.ast.util

Class NodeTraverser

java.lang.Object

org.hibernate.hql.ast.util.NodeTraverser

public class NodeTraverser
extends Object

A visitor for traversing an AST tree.

Author:

Steve Ebersole, Philip R. "Pib" Burns., Strong Liu

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	NodeTraverser.VisitationStrategy

Constructor Summary

Constructors

Constructor and Description
NodeTraverser(NodeTraverser.VisitationStrategy strategy)

Method Summary

Methods

Modifier and Type	Method and Description
void	traverseDepthFirst(antlr.collections.AST ast) Traverse the AST tree depth first.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NodeTraverser

public NodeTraverser(NodeTraverser.VisitationStrategy strategy)

Method Detail

traverseDepthFirst

public void traverseDepthFirst(antlr.collections.AST ast)

Traverse the AST tree depth first.

Parameters:

ast - Root node of subtree to traverse.

Note that the AST passed in is not visited itself. Visitation starts with its children.