98 lines
3.0 KiB
Java
98 lines
3.0 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.cfa;
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import java.util.Iterator;
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import com.ibm.wala.analysis.reflection.CloneInterpreter;
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import com.ibm.wala.cfg.ControlFlowGraph;
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import com.ibm.wala.classLoader.CallSiteReference;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.classLoader.NewSiteReference;
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import com.ibm.wala.ipa.callgraph.AnalysisOptions;
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import com.ibm.wala.ipa.callgraph.CGNode;
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import com.ibm.wala.ipa.callgraph.IAnalysisCacheView;
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import com.ibm.wala.ipa.callgraph.propagation.SSAContextInterpreter;
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import com.ibm.wala.ipa.callgraph.propagation.rta.DefaultRTAInterpreter;
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import com.ibm.wala.ssa.DefUse;
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import com.ibm.wala.ssa.IR;
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import com.ibm.wala.ssa.IRView;
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import com.ibm.wala.ssa.ISSABasicBlock;
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import com.ibm.wala.ssa.SSAInstruction;
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/**
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* Basic analysis; context-insensitive except for newInstance and clone
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*/
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public class DefaultSSAInterpreter extends DefaultRTAInterpreter implements SSAContextInterpreter {
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private final CloneInterpreter cloneInterpreter;
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private final ContextInsensitiveSSAInterpreter defaultInterpreter;
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public DefaultSSAInterpreter(AnalysisOptions options, IAnalysisCacheView cache) {
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super(options, cache);
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cloneInterpreter = new CloneInterpreter();
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defaultInterpreter = new ContextInsensitiveSSAInterpreter(options, cache);
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}
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private SSAContextInterpreter getCFAInterpreter(CGNode node) {
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if (cloneInterpreter.understands(node)) {
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return cloneInterpreter;
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} else {
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return defaultInterpreter;
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}
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}
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@Override
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public IR getIR(CGNode node) {
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return getCFAInterpreter(node).getIR(node);
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}
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@Override
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public IRView getIRView(CGNode node) {
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return getIR(node);
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}
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@Override
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public int getNumberOfStatements(CGNode node) {
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return getCFAInterpreter(node).getNumberOfStatements(node);
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}
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@Override
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public Iterator<NewSiteReference> iterateNewSites(CGNode node) {
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return getCFAInterpreter(node).iterateNewSites(node);
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}
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@Override
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public Iterator<CallSiteReference> iterateCallSites(CGNode node) {
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return getCFAInterpreter(node).iterateCallSites(node);
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}
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@Override
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public boolean recordFactoryType(CGNode node, IClass klass) {
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// do nothing; we don't understand factory methods.
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return false;
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}
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@Override
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public ControlFlowGraph<SSAInstruction, ISSABasicBlock> getCFG(CGNode N) {
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return getCFAInterpreter(N).getCFG(N);
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}
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@Override
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public DefUse getDU(CGNode node) {
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return getCFAInterpreter(node).getDU(node);
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}
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}
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