74 lines
2.3 KiB
Java
74 lines
2.3 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.summaries;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import com.ibm.wala.analysis.typeInference.PointType;
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import com.ibm.wala.analysis.typeInference.SetType;
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import com.ibm.wala.analysis.typeInference.TypeAbstraction;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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import com.ibm.wala.types.TypeReference;
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import com.ibm.wala.util.collections.HashMapFactory;
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import com.ibm.wala.util.collections.HashSetFactory;
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/**
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* Reflection summary information for a method.
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*/
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public class ReflectionSummary {
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private final Map<Integer, Set<TypeReference>> map = HashMapFactory.make();
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public void addType(int bcIndex, TypeReference T) {
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Set<TypeReference> S = findOrCreateSetForBCIndex(bcIndex);
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S.add(T);
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}
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private Set<TypeReference> findOrCreateSetForBCIndex(int bcIndex) {
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Integer I = Integer.valueOf(bcIndex);
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Set<TypeReference> result = map.get(I);
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if (result == null) {
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result = HashSetFactory.make(10);
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map.put(I, result);
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}
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return result;
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}
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public TypeAbstraction getTypeForNewInstance(int bcIndex, IClassHierarchy cha) {
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if (cha == null) {
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throw new IllegalArgumentException("null cha");
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}
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Set<TypeReference> S = map.get(Integer.valueOf(bcIndex));
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if (S == null) {
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return null;
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} else {
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PointType[] p = new PointType[S.size()];
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Iterator<TypeReference> it = S.iterator();
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for (int i = 0; i < p.length; i++) {
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TypeReference T = it.next();
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IClass klass = cha.lookupClass(T);
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assert klass != null : "null type for " + T;
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p[i] = new PointType(klass);
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}
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return new SetType(p);
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}
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}
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public Set<TypeReference> getTypesForProgramLocation(int bcIndex) {
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return map.get(Integer.valueOf(bcIndex));
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}
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}
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