/*******************************************************************************
 * Copyright (c) 2000, 2011 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.corext.dom;

import org.eclipse.core.runtime.Assert;

import org.eclipse.jdt.core.dom.ASTMatcher;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.IBinding;
import org.eclipse.jdt.core.dom.SimpleName;

public class JdtASTMatcher extends ASTMatcher {

	@Override
	public boolean match(SimpleName node, Object other) {
		boolean isomorphic= super.match(node, other);
		if (! isomorphic || !(other instanceof SimpleName))
			return false;
		SimpleName name= (SimpleName)other;
		IBinding nodeBinding= node.resolveBinding();
		IBinding otherBinding= name.resolveBinding();
		if (nodeBinding == null) {
			if (otherBinding != null) {
				return false;
			}
		} else {
			if (nodeBinding != otherBinding) {
				return false;
			}
		}
		if (node.resolveTypeBinding() != name.resolveTypeBinding())
			return false;
		return true;
	}

	public static boolean doNodesMatch(ASTNode one, ASTNode other) {
		Assert.isNotNull(one);
		Assert.isNotNull(other);

		return one.subtreeMatch(new JdtASTMatcher(), other);
	}
}
