content: /*******************************************************************************
   * Copyright (c) 2000, 2007 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.wst.jsdt.internal.corext.dom;
  
  import org.eclipse.core.runtime.Assert;
  import org.eclipse.wst.jsdt.core.dom.ASTMatcher;
  import org.eclipse.wst.jsdt.core.dom.ASTNode;
  import org.eclipse.wst.jsdt.core.dom.IBinding;
  import org.eclipse.wst.jsdt.core.dom.SimpleName;
  /**
  *
  * Provisional API: This class/interface is part of an interim API that is still under development and expected to
  * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  * (repeatedly) as the API evolves.
  */
  public class JdtASTMatcher extends ASTMatcher {
  
  	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);
  	}
  }
  