/******************************************************************************
 * Copyright (c) 2011 IBM Corporation.
 * 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:
 *     IBM Corporation - initial API and implementation
 *****************************************************************************/

package com.ibm.wala.cast.tree.pattern;

import com.ibm.wala.cast.tree.CAstNode;

/**
 * A node pattern matching any constant. A pattern of this class also stores its last match.
 * 
 * @author mschaefer
 *
 */
public class SomeConstant extends NodeOfKind {
	private Object last_match;
	
	public SomeConstant() {
		super(CAstNode.CONSTANT);
	}
	
	@Override
	public boolean matches(CAstNode node) {
		boolean res = super.matches(node);
		if(res)
			this.last_match = node.getValue();
		return res;
	}
	
	public Object getLastMatch() {
		return last_match;
	}
}