56 lines
2.1 KiB
Java
56 lines
2.1 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.analysis.reflection;
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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.classLoader.SyntheticMethod;
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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.ipa.callgraph.propagation.InstanceKey;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.CallString;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.CallStringContext;
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import com.ibm.wala.util.intset.EmptyIntSet;
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import com.ibm.wala.util.intset.IntSet;
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/**
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* For synthetic methods marked as "Factories", we analyze in a context defined by the caller.
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*/
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class FactoryContextSelector implements ContextSelector {
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public FactoryContextSelector() {
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}
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/*
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* @see com.ibm.wala.ipa.callgraph.ContextSelector#getCalleeTarget(com.ibm.wala.ipa.callgraph.CGNode, com.ibm.wala.classLoader.CallSiteReference, com.ibm.wala.classLoader.IMethod)
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*/
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@Override
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public Context getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] receiver) {
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if (callee == null) {
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throw new IllegalArgumentException("callee is null");
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}
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if (callee.isWalaSynthetic()) {
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SyntheticMethod s = (SyntheticMethod) callee;
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if (s.isFactoryMethod()) {
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return new CallStringContext(new CallString(site, caller.getMethod()));
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}
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}
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return null;
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}
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@Override
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public IntSet getRelevantParameters(CGNode caller, CallSiteReference site) {
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return EmptyIntSet.instance;
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}
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}
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