53 lines
2.5 KiB
Java
53 lines
2.5 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 com.ibm.wala.analysis.reflection.ReflectionContextInterpreter;
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import com.ibm.wala.classLoader.IMethod;
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import com.ibm.wala.ipa.callgraph.AnalysisOptions;
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import com.ibm.wala.ipa.callgraph.ContextSelector;
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import com.ibm.wala.ipa.callgraph.IAnalysisCacheView;
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import com.ibm.wala.ipa.callgraph.impl.DefaultContextSelector;
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import com.ibm.wala.ipa.callgraph.impl.DelegatingContextSelector;
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import com.ibm.wala.ipa.callgraph.propagation.ClassBasedInstanceKeys;
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import com.ibm.wala.ipa.callgraph.propagation.SSAContextInterpreter;
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import com.ibm.wala.ipa.callgraph.propagation.SSAPropagationCallGraphBuilder;
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/**
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* nCFA Call graph builder. Note that by default, this builder uses a
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* {@link ClassBasedInstanceKeys} heap model.
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*/
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public class nCFABuilder extends SSAPropagationCallGraphBuilder {
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public nCFABuilder(int n, IMethod abstractRootMethod, AnalysisOptions options, IAnalysisCacheView cache, ContextSelector appContextSelector,
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SSAContextInterpreter appContextInterpreter) {
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super(abstractRootMethod, options, cache, new DefaultPointerKeyFactory());
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if (options == null) {
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throw new IllegalArgumentException("options is null");
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}
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setInstanceKeys(new ClassBasedInstanceKeys(options, cha));
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ContextSelector def = new DefaultContextSelector(options, cha);
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ContextSelector contextSelector = appContextSelector == null ? def : new DelegatingContextSelector(appContextSelector, def);
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contextSelector = new nCFAContextSelector(n, contextSelector);
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setContextSelector(contextSelector);
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SSAContextInterpreter defI = new DefaultSSAInterpreter(options, cache);
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defI = new DelegatingSSAContextInterpreter(ReflectionContextInterpreter.createReflectionContextInterpreter(cha, options, getAnalysisCache()), defI);
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SSAContextInterpreter contextInterpreter = appContextInterpreter == null ? defI : new DelegatingSSAContextInterpreter(appContextInterpreter, defI);
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setContextInterpreter(contextInterpreter);
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}
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}
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