76 lines
3.4 KiB
Java
76 lines
3.4 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.java.ipa.callgraph;
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import com.ibm.wala.ipa.callgraph.AnalysisCache;
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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.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.SSAContextInterpreter;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.ContainerContextSelector;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.ZeroXInstanceKeys;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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/**
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*
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* 0-1-CFA Call graph builder which analyzes calls to "container methods" in a context which is defined by the receiver
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* instance.
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*
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* @author sfink
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*/
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public class AstJavaZeroOneContainerCFABuilder extends AstJavaCFABuilder {
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/**
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* @param cha governing class hierarchy
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* @param warnings object to track analysis warnings
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* @param options call graph construction options
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* @param appContextSelector application-specific logic to choose contexts
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* @param appContextInterpreter application-specific logic to interpret a method in context
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* @param reflect reflection specification
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*/
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public AstJavaZeroOneContainerCFABuilder(IClassHierarchy cha, AnalysisOptions options, AnalysisCache cache,
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ContextSelector appContextSelector, SSAContextInterpreter appContextInterpreter) {
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super(cha, options, cache);
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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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SSAContextInterpreter contextInterpreter = makeDefaultContextInterpreters(appContextInterpreter, options, cha);
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setContextInterpreter(contextInterpreter);
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ZeroXInstanceKeys zik = makeInstanceKeys(cha, options, contextInterpreter);
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setInstanceKeys(new JavaScopeMappingInstanceKeys(cha, this, zik));
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ContextSelector CCS = makeContainerContextSelector(cha, zik);
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DelegatingContextSelector DCS = new DelegatingContextSelector(CCS, contextSelector);
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setContextSelector(DCS);
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}
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protected ZeroXInstanceKeys makeInstanceKeys(IClassHierarchy cha, AnalysisOptions options,
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SSAContextInterpreter contextInterpreter) {
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ZeroXInstanceKeys zik = new ZeroXInstanceKeys(options, cha, contextInterpreter, ZeroXInstanceKeys.ALLOCATIONS
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| ZeroXInstanceKeys.SMUSH_PRIMITIVE_HOLDERS | ZeroXInstanceKeys.SMUSH_STRINGS | ZeroXInstanceKeys.SMUSH_MANY
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| ZeroXInstanceKeys.SMUSH_THROWABLES);
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return zik;
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}
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/**
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* @param cha
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* @param keys
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* @return an object which creates contexts for call graph nodes based on the container disambiguation policy
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*/
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protected ContextSelector makeContainerContextSelector(IClassHierarchy cha, ZeroXInstanceKeys keys) {
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return new ContainerContextSelector(cha, keys);
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}
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}
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