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new utility class 

git-svn-id: https://wala.svn.sourceforge.net/svnroot/wala/trunk@3393 f5eafffb-2e1d-0410-98e4-8ec43c5233c4
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sjfink 2009-03-31 19:00:02 +00:00
parent e3af3830d0
commit 38167c0abd
1 changed files with 44 additions and 0 deletions
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com.ibm.wala.core/src/com/ibm/wala/ipa/cha/ClassHierarchyUtil.java Normal file
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/*******************************************************************************
* Copyright (c) 2009 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.ipa.cha;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.classLoader.IMethod;
import com.ibm.wala.types.MethodReference;
/**
* Utilities for querying a class hierarchy
*/
public class ClassHierarchyUtil {
/**
* find the root of the inheritance tree for method m.
*/
public static IMethod getRootOfInheritanceTree(IMethod m) {
try {
IClass c = m.getDeclaringClass();
IClass parent = c.getSuperclass();
if (parent == null) {
return m;
} else {
MethodReference ref = MethodReference.findOrCreate(parent.getReference(), m.getSelector());
IMethod m2 = m.getClassHierarchy().resolveMethod(ref);
if (m2 != null && !m2.equals(m)) {
return getRootOfInheritanceTree(m2);
}
return m;
}
} catch (ClassHierarchyException e) {
return m;
}
}
}