65 lines
2.2 KiB
Java
65 lines
2.2 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.cast.ipa.callgraph;
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import java.util.Iterator;
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import com.ibm.wala.cast.loader.AstMethod;
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import com.ibm.wala.classLoader.CallSiteReference;
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import com.ibm.wala.classLoader.CodeScanner;
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import com.ibm.wala.classLoader.IMethod;
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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.Context;
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import com.ibm.wala.ipa.callgraph.IAnalysisCacheView;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.ContextInsensitiveSSAInterpreter;
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import com.ibm.wala.ssa.IR;
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import com.ibm.wala.util.collections.EmptyIterator;
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/**
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* A version of {@link ContextInsensitiveSSAInterpreter} that uses the IR for
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* {@link #iterateNewSites(CGNode)} and {@link #iterateCallSites(CGNode)} when
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* we have an {@link AstMethod}. ({@link ContextInsensitiveSSAInterpreter}
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* defaults to using {@link CodeScanner}, which only works for bytecodes.)
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*/
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public class AstContextInsensitiveSSAContextInterpreter extends ContextInsensitiveSSAInterpreter {
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public AstContextInsensitiveSSAContextInterpreter(AnalysisOptions options, IAnalysisCacheView cache) {
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super(options, cache);
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}
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public boolean understands(IMethod method, Context context) {
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return method instanceof AstMethod;
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}
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@Override
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public Iterator<NewSiteReference> iterateNewSites(CGNode N) {
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IR ir = getIR(N);
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if (ir == null) {
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return EmptyIterator.instance();
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} else {
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return ir.iterateNewSites();
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}
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}
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@Override
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public Iterator<CallSiteReference> iterateCallSites(CGNode N) {
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IR ir = getIR(N);
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if (ir == null) {
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return EmptyIterator.instance();
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} else {
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return ir.iterateCallSites();
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}
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}
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}
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