68 lines
1.9 KiB
Java
68 lines
1.9 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 java.util.Collection;
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import java.util.Collections;
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import com.ibm.wala.analysis.pointers.BasicHeapGraph;
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import com.ibm.wala.analysis.pointers.HeapGraph;
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import com.ibm.wala.ipa.callgraph.CallGraph;
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import com.ibm.wala.util.intset.MutableMapping;
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import com.ibm.wala.util.intset.OrdinalSetMapping;
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/**
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* Abstract superclass for {@link PointerAnalysis} implementations.
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*/
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public abstract class AbstractPointerAnalysis implements PointerAnalysis<InstanceKey> {
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/**
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* graph representation of pointer-analysis results
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*/
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private HeapGraph heapGraph;
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/**
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* Governing call graph.
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*/
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private final CallGraph cg;
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/**
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* bijection from InstanceKey <=> Integer
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*/
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protected final MutableMapping<InstanceKey> instanceKeys;
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protected AbstractPointerAnalysis(CallGraph cg, MutableMapping<InstanceKey> instanceKeys) {
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this.cg = cg;
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this.instanceKeys = instanceKeys;
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}
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@Override
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public HeapGraph getHeapGraph() {
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if (heapGraph == null) {
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heapGraph = new BasicHeapGraph(this, cg);
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}
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return heapGraph;
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}
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protected CallGraph getCallGraph() {
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return cg;
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}
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@Override
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public Collection<InstanceKey> getInstanceKeys() {
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return Collections.unmodifiableCollection(instanceKeys.getObjects());
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}
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@Override
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public OrdinalSetMapping<InstanceKey> getInstanceKeyMapping() {
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return instanceKeys;
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}
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}
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