95 lines
4.3 KiB
Java
95 lines
4.3 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.callgraph.propagation.cfa;
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import com.ibm.wala.analysis.reflection.ReflectionContextInterpreter;
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import com.ibm.wala.ipa.callgraph.AnalysisOptions;
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import com.ibm.wala.ipa.callgraph.AnalysisScope;
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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.impl.Util;
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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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import com.ibm.wala.ipa.cha.IClassHierarchy;
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/**
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* 0-1-CFA Call graph builder, optimized to not disambiguate instances of "uninteresting" types.
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*/
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public class ZeroXCFABuilder extends SSAPropagationCallGraphBuilder {
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public ZeroXCFABuilder(IClassHierarchy cha, AnalysisOptions options, IAnalysisCacheView cache, ContextSelector appContextSelector,
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SSAContextInterpreter appContextInterpreter, int instancePolicy) {
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super(cha, options, cache, new DefaultPointerKeyFactory());
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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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setContextSelector(contextSelector);
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SSAContextInterpreter c = new DefaultSSAInterpreter(options, cache);
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c = new DelegatingSSAContextInterpreter(ReflectionContextInterpreter.createReflectionContextInterpreter(cha, options,
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getAnalysisCache()), c);
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SSAContextInterpreter contextInterpreter = appContextInterpreter == null ? c : new DelegatingSSAContextInterpreter(
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appContextInterpreter, c);
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setContextInterpreter(contextInterpreter);
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ZeroXInstanceKeys zik = makeInstanceKeys(cha, options, contextInterpreter, instancePolicy);
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setInstanceKeys(zik);
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}
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/**
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* subclasses can override as desired
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*/
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protected ZeroXInstanceKeys makeInstanceKeys(IClassHierarchy cha, AnalysisOptions options,
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SSAContextInterpreter contextInterpreter, int instancePolicy) {
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ZeroXInstanceKeys zik = new ZeroXInstanceKeys(options, cha, contextInterpreter, instancePolicy);
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return zik;
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}
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/**
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* @param options options that govern call graph construction
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* @param cha governing class hierarchy
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* @param cl classloader that can find WALA resources
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* @param scope representation of the analysis scope
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* @param xmlFiles set of Strings that are names of XML files holding bypass logic specifications.
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* @return a 0-1-Opt-CFA Call Graph Builder.
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* @throws IllegalArgumentException if options is null
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* @throws IllegalArgumentException if xmlFiles == null
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*/
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public static SSAPropagationCallGraphBuilder make(AnalysisOptions options, IAnalysisCacheView cache, IClassHierarchy cha,
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ClassLoader cl, AnalysisScope scope, String[] xmlFiles, byte instancePolicy) throws IllegalArgumentException {
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if (xmlFiles == null) {
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throw new IllegalArgumentException("xmlFiles == null");
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}
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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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Util.addDefaultSelectors(options, cha);
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for (String xmlFile : xmlFiles) {
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Util.addBypassLogic(options, scope, cl, xmlFile, cha);
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}
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return new ZeroXCFABuilder(cha, options, cache, null, null, instancePolicy);
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}
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public static ZeroXCFABuilder make(IClassHierarchy cha, AnalysisOptions options, IAnalysisCacheView cache,
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ContextSelector appContextSelector, SSAContextInterpreter appContextInterpreter, int instancePolicy) throws IllegalArgumentException {
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if (options == null) {
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throw new IllegalArgumentException("options == null");
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}
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return new ZeroXCFABuilder(cha, options, cache, appContextSelector, appContextInterpreter, instancePolicy);
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}
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}
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