46 lines
1.7 KiB
Java
46 lines
1.7 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.ipa.callgraph.propagation;
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import com.ibm.wala.analysis.reflection.JavaTypeContext;
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import com.ibm.wala.analysis.typeInference.PointType;
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import com.ibm.wala.classLoader.CallSiteReference;
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import com.ibm.wala.classLoader.IMethod;
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import com.ibm.wala.ipa.callgraph.CGNode;
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import com.ibm.wala.ipa.callgraph.Context;
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import com.ibm.wala.ipa.callgraph.ContextSelector;
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import com.ibm.wala.util.intset.IntSet;
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import com.ibm.wala.util.intset.IntSetUtil;
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/**
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* This context selector selects a context based on the concrete type of the receiver.
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*/
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public class ReceiverTypeContextSelector implements ContextSelector {
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public ReceiverTypeContextSelector() {
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}
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public Context getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] receiver) {
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if (receiver == null) {
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throw new IllegalArgumentException("receiver is null");
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}
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PointType P = new PointType(receiver[0].getConcreteType());
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return new JavaTypeContext(P);
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}
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private static final IntSet receiver = IntSetUtil.make(new int[]{ 0 });
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public IntSet getRelevantParameters(CGNode caller, CallSiteReference site) {
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return receiver;
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}
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}
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