94 lines
3.2 KiB
Java
94 lines
3.2 KiB
Java
/*
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* (C) Copyright 2010-2015 SAP SE.
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* 2016 The University of Sheffield.
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*
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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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*/
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package com.logicalhacking.dasca.dataflow.util;
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import java.io.File;
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import java.io.IOException;
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import java.util.Collection;
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import java.util.List;
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import java.util.jar.JarFile;
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import org.junit.Assert;
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import com.ibm.wala.cast.java.client.ECJJavaSourceAnalysisEngine;
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import com.ibm.wala.cast.java.client.JavaSourceAnalysisEngine;
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import com.ibm.wala.cast.java.ipa.callgraph.JavaSourceAnalysisScope;
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import com.ibm.wala.classLoader.JarFileModule;
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import com.ibm.wala.classLoader.SourceDirectoryTreeModule;
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import com.ibm.wala.classLoader.SourceFileModule;
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import com.ibm.wala.ipa.callgraph.AnalysisScope;
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import com.ibm.wala.ipa.callgraph.Entrypoint;
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import com.ibm.wala.ipa.callgraph.impl.Util;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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public class PlugInUtil {
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public static String REGRESSION_EXCLUSIONS;
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/**
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* Private constructor to ensure no object will be created
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*/
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private PlugInUtil() {
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}
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public static void populateScope(JavaSourceAnalysisEngine engine, Collection<String> sources, List<String> libs) {
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if (null != libs ) {
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boolean foundLib = false;
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for (String lib : libs) {
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File libFile = new File(lib);
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if (libFile.exists()) {
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foundLib = true;
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try {
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engine.addSystemModule(new JarFileModule(new JarFile(libFile, false)));
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} catch (IOException e) {
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Assert.fail(e.getMessage());
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}
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}
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}
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assert foundLib : "couldn't find library file from " + libs;
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}
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for (String srcFilePath : sources) {
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String srcFileName = srcFilePath.substring(srcFilePath.lastIndexOf(File.separator) + 1);
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File f = new File(srcFilePath);
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Assert.assertTrue("couldn't find " + srcFilePath, f.exists());
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if (f.isDirectory()) {
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engine.addSourceModule(new SourceDirectoryTreeModule(f));
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} else {
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engine.addSourceModule(new SourceFileModule(f, srcFileName, null));
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}
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}
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}
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public static JavaSourceAnalysisEngine
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createECJJavaEngine(Collection<String> sources, List<String> libs, final String [] entryPoints) {
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JavaSourceAnalysisEngine engine=null;
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if(null == entryPoints) {
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engine = new ECJJavaSourceAnalysisEngine();
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} else {
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engine = new ECJJavaSourceAnalysisEngine() {
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@Override
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protected Iterable<Entrypoint> makeDefaultEntrypoints(AnalysisScope scope, IClassHierarchy cha) {
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return Util.makeMainEntrypoints(JavaSourceAnalysisScope.SOURCE,cha, entryPoints);
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}
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};
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}
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engine.setExclusionsFile(REGRESSION_EXCLUSIONS);
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populateScope(engine, sources, libs);
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return engine;
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}
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}
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