Node.java

/*
 *  Author:  Chris Seguin
 *
 *  This software has been developed under the copyleft
 *  rules of the GNU General Public License.  Please
 *  consult the GNU General Public License for more
 *  details about use and distribution of this software.
 */
package org.acm.seguin.parser;
/*
 * Generated By:JJTree: Do not edit this line. Node.java
 */

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

/**
 *  Description of the Interface
 *
 *@author     Chris Seguin
 *@created    October 14, 1999
 */
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.
	 *
	 *@param  n  Description of Parameter
	 */
	public void jjtSetParent(Node n);


	/**
	 *  Description of the Method
	 *
	 *@return    Description of the Returned Value
	 */
	public Node jjtGetParent();


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


	/**
	 *  This method returns a child node. The children are numbered from zero,
	 *  left to right.
	 *
	 *@param  i  Description of Parameter
	 *@return    Description of the Returned Value
	 */
	public Node jjtGetChild(int i);


	/**
	 *  Return the number of children the node has.
	 *
	 *@return    Description of the Returned Value
	 */
	public int jjtGetNumChildren();


	/**
	 *  Accept the visitor.
	 *
	 *@param  visitor  Description of Parameter
	 *@param  data     Description of Parameter
	 *@return          Description of the Returned Value
	 */
	public Object jjtAccept(JavaParserVisitor visitor, Object data);
}