WALA/com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/client/JavaScriptAnalysisEngine.java

111 lines
3.8 KiB
Java

/******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*****************************************************************************/
package com.ibm.wala.cast.js.client;
import java.io.IOException;
import java.util.Collections;
import java.util.jar.JarFile;
import com.ibm.wala.cast.ipa.callgraph.CAstAnalysisScope;
import com.ibm.wala.cast.ir.ssa.AstIRFactory;
import com.ibm.wala.cast.js.client.impl.ZeroCFABuilderFactory;
import com.ibm.wala.cast.js.ipa.callgraph.JSAnalysisOptions;
import com.ibm.wala.cast.js.ipa.callgraph.JavaScriptEntryPoints;
import com.ibm.wala.cast.js.loader.JavaScriptLoader;
import com.ibm.wala.cast.js.loader.JavaScriptLoaderFactory;
import com.ibm.wala.cast.js.translator.JavaScriptTranslatorFactory;
import com.ibm.wala.cast.js.types.JavaScriptTypes;
import com.ibm.wala.classLoader.Module;
import com.ibm.wala.classLoader.SourceModule;
import com.ibm.wala.client.AbstractAnalysisEngine;
import com.ibm.wala.ipa.callgraph.AnalysisCache;
import com.ibm.wala.ipa.callgraph.AnalysisOptions;
import com.ibm.wala.ipa.callgraph.AnalysisScope;
import com.ibm.wala.ipa.callgraph.CallGraphBuilder;
import com.ibm.wala.ipa.callgraph.Entrypoint;
import com.ibm.wala.ipa.cha.ClassHierarchy;
import com.ibm.wala.ipa.cha.ClassHierarchyException;
import com.ibm.wala.ipa.cha.IClassHierarchy;
import com.ibm.wala.util.debug.Assertions;
public class JavaScriptAnalysisEngine extends AbstractAnalysisEngine {
protected JavaScriptLoaderFactory loaderFactory;
protected JavaScriptTranslatorFactory translatorFactory;
public JavaScriptAnalysisEngine() {
}
@Override
public void buildAnalysisScope() {
try {
loaderFactory = new JavaScriptLoaderFactory(translatorFactory);
SourceModule[] files = (SourceModule[]) moduleFiles.toArray(new SourceModule[moduleFiles.size()]);
scope = new CAstAnalysisScope(files, loaderFactory, Collections.singleton(JavaScriptLoader.JS));
} catch (IOException e) {
Assertions.UNREACHABLE(e.toString());
}
}
@Override
public IClassHierarchy buildClassHierarchy() {
try {
return ClassHierarchy.make(getScope(), loaderFactory, JavaScriptLoader.JS);
} catch (ClassHierarchyException e) {
Assertions.UNREACHABLE(e.toString());
return null;
}
}
public void setTranslatorFactory(JavaScriptTranslatorFactory factory) {
this.translatorFactory = factory;
}
@Override
public void setJ2SELibraries(JarFile[] libs) {
Assertions.UNREACHABLE("Illegal to call setJ2SELibraries");
}
@Override
public void setJ2SELibraries(Module[] libs) {
Assertions.UNREACHABLE("Illegal to call setJ2SELibraries");
}
@Override
protected Iterable<Entrypoint> makeDefaultEntrypoints(AnalysisScope scope, IClassHierarchy cha) {
return new JavaScriptEntryPoints(cha, cha.getLoader(JavaScriptTypes.jsLoader));
}
@Override
public AnalysisCache makeDefaultCache() {
return new AnalysisCache(AstIRFactory.makeDefaultFactory());
}
@Override
public AnalysisOptions getDefaultOptions(Iterable<Entrypoint> roots) {
final AnalysisOptions options = new AnalysisOptions(scope, roots);
options.setUseConstantSpecificKeys(true);
options.setUseStacksForLexicalScoping(true);
return options;
}
@Override
protected CallGraphBuilder getCallGraphBuilder(IClassHierarchy cha, AnalysisOptions options, AnalysisCache cache) {
return new ZeroCFABuilderFactory().make((JSAnalysisOptions) options, cache, cha, scope, false);
}
}