137 lines
5.8 KiB
Java
Executable File
137 lines
5.8 KiB
Java
Executable File
/******************************************************************************
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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.test;
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import java.io.File;
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import java.io.IOException;
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import java.net.JarURLConnection;
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import java.net.URL;
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import java.util.Set;
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import junit.framework.Assert;
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import com.ibm.wala.cast.js.html.MappedSourceModule;
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import com.ibm.wala.cast.js.html.WebPageLoaderFactory;
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import com.ibm.wala.cast.js.html.WebUtil;
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import com.ibm.wala.cast.js.ipa.callgraph.JSAnalysisOptions;
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import com.ibm.wala.cast.js.ipa.callgraph.JSCFABuilder;
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import com.ibm.wala.cast.js.ipa.callgraph.JSZeroOrOneXCFABuilder;
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import com.ibm.wala.cast.js.loader.JavaScriptLoader;
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import com.ibm.wala.cast.js.loader.JavaScriptLoaderFactory;
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import com.ibm.wala.classLoader.SourceFileModule;
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import com.ibm.wala.classLoader.SourceModule;
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import com.ibm.wala.ipa.callgraph.AnalysisCache;
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import com.ibm.wala.ipa.callgraph.AnalysisScope;
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import com.ibm.wala.ipa.callgraph.CallGraph;
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import com.ibm.wala.ipa.callgraph.Entrypoint;
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import com.ibm.wala.ipa.callgraph.propagation.PropagationCallGraphBuilder;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.ZeroXInstanceKeys;
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import com.ibm.wala.ipa.cha.ClassHierarchyException;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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import com.ibm.wala.util.CancelException;
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/**
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* TODO this class is a mess. rewrite.
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*/
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public class Util extends com.ibm.wala.cast.js.ipa.callgraph.Util {
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public static JSCFABuilder makeScriptCGBuilder(String dir, String name, boolean useOneCFA) throws IOException {
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JavaScriptLoaderFactory loaders = Util.makeLoaders();
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URL script = Util.class.getClassLoader().getResource(dir + File.separator + name);
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if (script == null) {
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script = Util.class.getClassLoader().getResource(dir + "/" + name);
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}
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assert script != null : "cannot find " + dir + " and " + name;
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AnalysisScope scope;
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if (script.openConnection() instanceof JarURLConnection) {
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scope = makeScope(new URL[] { script }, loaders, JavaScriptLoader.JS);
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} else {
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scope = makeScope(new SourceFileModule[] { makeSourceModule(script, dir, name) }, loaders, JavaScriptLoader.JS);
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}
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return makeCG(loaders, scope, useOneCFA, true);
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}
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public static JSCFABuilder makeScriptCGBuilder(String dir, String name) throws IOException {
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return makeScriptCGBuilder(dir, name, false);
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}
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public static CallGraph makeScriptCG(String dir, String name) throws IOException, IllegalArgumentException, CancelException {
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return makeScriptCG(dir, name, false);
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}
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public static CallGraph makeScriptCG(String dir, String name, boolean useOneCFA) throws IOException, IllegalArgumentException,
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CancelException {
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PropagationCallGraphBuilder b = makeScriptCGBuilder(dir, name, useOneCFA);
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CallGraph CG = b.makeCallGraph(b.getOptions());
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dumpCG(b.getPointerAnalysis(), CG);
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return CG;
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}
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public static CallGraph makeScriptCG(SourceModule[] scripts, boolean useOneCFA) throws IOException, IllegalArgumentException,
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CancelException {
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PropagationCallGraphBuilder b = makeCGBuilder(makeLoaders(), scripts, useOneCFA, true);
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CallGraph CG = b.makeCallGraph(b.getOptions());
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dumpCG(b.getPointerAnalysis(), CG);
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return CG;
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}
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public static JSCFABuilder makeHTMLCGBuilder(URL url) throws IOException {
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return makeHTMLCGBuilder(url, true);
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}
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public static JSCFABuilder makeHTMLCGBuilder(URL url, boolean handleCallApply) throws IOException {
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JavaScriptLoader.addBootstrapFile(WebUtil.preamble);
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Set<MappedSourceModule> script = WebUtil.extractScriptFromHTML(url);
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JSCFABuilder builder = makeCGBuilder(new WebPageLoaderFactory(translatorFactory, preprocessor), script.toArray(new SourceModule[script.size()]), false, handleCallApply);
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builder.setBaseURL(url);
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return builder;
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}
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public static CallGraph makeHTMLCG(URL url) throws IOException, IllegalArgumentException, CancelException {
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PropagationCallGraphBuilder b = makeHTMLCGBuilder(url);
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CallGraph CG = b.makeCallGraph(b.getOptions());
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//dumpCG(b.getPointerAnalysis(), CG);
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return CG;
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}
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public static CallGraph makeHTMLCG(URL url, boolean handleCallApply) throws IOException, IllegalArgumentException,
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CancelException {
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PropagationCallGraphBuilder b = makeHTMLCGBuilder(url, handleCallApply);
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CallGraph CG = b.makeCallGraph(b.getOptions());
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return CG;
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}
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public static JSCFABuilder makeCGBuilder(JavaScriptLoaderFactory loaders, SourceModule[] scripts, boolean useOneCFA, boolean handleCallApply) throws IOException {
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AnalysisScope scope = makeScope(scripts, loaders, JavaScriptLoader.JS);
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return makeCG(loaders, scope, useOneCFA, handleCallApply);
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}
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protected static JSCFABuilder makeCG(JavaScriptLoaderFactory loaders, AnalysisScope scope, boolean useOneCFA, boolean handleCallApply) throws IOException {
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try {
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IClassHierarchy cha = makeHierarchy(scope, loaders);
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com.ibm.wala.cast.js.util.Util.checkForFrontEndErrors(cha);
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Iterable<Entrypoint> roots = makeScriptRoots(cha);
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JSAnalysisOptions options = makeOptions(scope, cha, roots);
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options.setHandleCallApply(handleCallApply);
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AnalysisCache cache = makeCache();
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JSCFABuilder builder = new JSZeroOrOneXCFABuilder(cha, options, cache, null, null, ZeroXInstanceKeys.ALLOCATIONS, useOneCFA);
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return builder;
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} catch (ClassHierarchyException e) {
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Assert.assertTrue("internal error building class hierarchy", false);
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return null;
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}
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}
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}
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