/*******************************************************************************
 * Copyright (c) 2005 BEA Systems and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     BEA Systems - initial implementation
 *     
 *******************************************************************************/
/* Generated By:JJTree: Do not edit this line. Node.java */

package org.eclipse.wst.jsdt.web.core.internal.java.jspel;

/*
 * All AST nodes must implement this interface. It provides basic machinery for
 * constructing the parent and child relationships between nodes.
 */

public interface Node {

	/**
	 * This method is called after the node has been made the current node. It
	 * indicates that child nodes can now be added to it.
	 */
	public void jjtOpen();

	/**
	 * This method is called after all the child nodes have been added.
	 */
	public void jjtClose();

	/**
	 * This pair of methods are used to inform the node of its parent.
	 */
	public void jjtSetParent(Node n);

	public Node jjtGetParent();

	/**
	 * This method tells the node to add its argument to the node's list of
	 * children.
	 */
	public void jjtAddChild(Node n, int i);

	/**
	 * This method returns a child node. The children are numbered from zero,
	 * left to right.
	 */
	public Node jjtGetChild(int i);

	/** Return the number of children the node has. */
	public int jjtGetNumChildren();

	/** Accept the visitor. * */
	public Object jjtAccept(JSPELParserVisitor visitor, Object data);
}