76 lines
3.7 KiB
Java
76 lines
3.7 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.js.ipa.callgraph;
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import com.ibm.wala.cast.ipa.callgraph.LexicalScopingResolverContexts;
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import com.ibm.wala.cast.ipa.callgraph.ScopeMappingKeysContextSelector;
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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.AnalysisScope;
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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.ZeroXInstanceKeys;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.nCFAContextSelector;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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/**
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* 0-x-CFA Call graph builder, optimized to not disambiguate instances of "uninteresting" types
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*/
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public class JSZeroOrOneXCFABuilder extends JSCFABuilder {
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public JSZeroOrOneXCFABuilder(IClassHierarchy cha, AnalysisOptions options, AnalysisCache cache,
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ContextSelector appContextSelector, SSAContextInterpreter appContextInterpreter, int instancePolicy,
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boolean doOneCFA) {
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super(cha, options, cache);
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SSAContextInterpreter contextInterpreter = makeDefaultContextInterpreters(appContextInterpreter, options, cha);
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setContextInterpreter(contextInterpreter);
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options.setSelector(new JavaScriptConstructTargetSelector(cha, options.getMethodTargetSelector()));
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options.setSelector(new LoadFileTargetSelector(options.getMethodTargetSelector(), this));
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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 ScopeMappingKeysContextSelector(contextSelector);
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contextSelector = new JavaScriptConstructorContextSelector(contextSelector);
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contextSelector = new LexicalScopingResolverContexts(this, contextSelector);
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if (doOneCFA) {
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contextSelector = new nCFAContextSelector(1, contextSelector);
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}
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setContextSelector(contextSelector);
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setInstanceKeys(new JavaScriptScopeMappingInstanceKeys(cha, this, new JavaScriptConstructorInstanceKeys(new ZeroXInstanceKeys(options, cha, contextInterpreter,
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instancePolicy))));
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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 DOMO 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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* @param dmd deployment descriptor abstraction
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* @return a 0-1-Opt-CFA Call Graph Builder.
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*/
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public static JSCFABuilder make(AnalysisOptions options, AnalysisCache cache, IClassHierarchy cha, ClassLoader cl,
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AnalysisScope scope, String[] xmlFiles, byte instancePolicy, boolean doOneCFA) {
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com.ibm.wala.ipa.callgraph.impl.Util.addDefaultSelectors(options, cha);
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for (int i = 0; i < xmlFiles.length; i++) {
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com.ibm.wala.ipa.callgraph.impl.Util.addBypassLogic(options, scope, cl, xmlFiles[i], cha);
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}
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return new JSZeroOrOneXCFABuilder(cha, options, cache, null, null, instancePolicy, doOneCFA);
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}
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}
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