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/* ******************************************************************* * Copyright (c) 2003,2010 Contributors * 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: * Mik Kersten initial implementation * Andy Clement * ******************************************************************/ package org.aspectj.asm; /** * @author Mik Kersten * @author Andy Clement */ public abstract class HierarchyWalker { public HierarchyWalker() { } protected void preProcess(IProgramElement node) { } protected void postProcess(IProgramElement node) { } public IProgramElement process(IProgramElement node) { preProcess(node); node.walk(this); postProcess(node); return node; } }