/* $Revision$ $Author$ $Date$
*
* Copyright (C) 2004-2007 The Chemistry Development Kit (CDK) project
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
* (or see http://www.gnu.org/copyleft/lesser.html)
*/
package org.openscience.cdk.smiles.smarts.parser;
/**
* All AST nodes must implement this interface. It provides basic
* machinery for constructing the parent and child relationships
* between nodes.
*
* Automatically generated by JJTree
*
* @author Dazhi Jiao
* @cdk.created 2007-04-24
* @cdk.module smarts
* @cdk.githash
* @cdk.keyword SMARTS AST
*/
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(SMARTSParserVisitor visitor, Object data);
/**
* Removes a child from this node
* @param i
*/
public void jjtRemoveChild(int i);
}