private static void runComputeModule(
final String binDir, final Config cfg, final String outputDir)
throws IOException, IllegalArgumentException, CancelException, PDGFormatException,
WalaException {
Main.checkOrCreateOutputDir(outputDir);
System.out.print("Setting up analysis scope... ");
// Fuegt die normale Java Bibliothek zum Scope hinzu
AnalysisScope scope = AnalysisScopeReader.makePrimordialScope(null);
if (cfg.nativesXML != null) {
com.ibm.wala.ipa.callgraph.impl.Util.setNativeSpec(cfg.nativesXML);
}
// if use stubs
if (cfg.stubs != null) {
scope.addToScope(ClassLoaderReference.Primordial, new JarFile(cfg.stubs));
}
// Nimmt unnoetige Klassen raus
SetOfClasses exclusions =
new FileOfClasses(new ByteArrayInputStream(cfg.exclusions.getBytes()));
scope.setExclusions(exclusions);
ClassLoaderReference loader = scope.getLoader(AnalysisScope.APPLICATION);
AnalysisScopeReader.addClassPathToScope(binDir, scope, loader);
System.out.println("done.");
ClassHierarchy cha = ClassHierarchy.make(scope);
System.out.print("Creating MoJo... ");
MoJo mojo = MoJo.create(cha);
System.out.println("done.");
for (IClass cls : cha) {
for (IMethod im : cls.getDeclaredMethods()) {
if (im.getDeclaringClass().isInterface() || im.isAbstract()) {
// skip methods without a body
continue;
}
MethodInfo nfo = cfg.extern.checkForModuleMethod(im);
if (nfo != null) {
System.out.println("Found " + nfo + " for " + im);
final String sig = Dictionary.extractSignature(im);
final String outputMethodDir =
outputDir + (outputDir.endsWith(File.separator) ? "" : File.separator) + "m_" + sig;
Main.checkOrCreateOutputDir(outputMethodDir);
computeVariants(mojo, im, nfo, outputMethodDir);
}
}
}
}
@Test
public void testProjectScope() throws IOException, CoreException {
IJavaScriptProject p =
JavaScriptHeadlessUtil.getJavaScriptProjectFromWorkspace(project.projectName);
JSCallGraphUtil.setTranslatorFactory(new CAstRhinoTranslatorFactory());
AnalysisScope s =
makeProjectPath(p)
.toAnalysisScope(
new CAstAnalysisScope(
JSCallGraphUtil.makeLoaders(), Collections.singleton(JavaScriptLoader.JS)));
System.err.println(s);
Assert.assertTrue("cannot make scope", s != null);
Assert.assertFalse("cannot find files", s.getModules(JavaScriptTypes.jsLoader).isEmpty());
}
public static ExceptionPruneAnalysis createBarcodeTest()
throws WalaException, IOException, IllegalArgumentException, CallGraphBuilderCancelException {
com.ibm.wala.ipa.callgraph.impl.Util.setNativeSpec("test_lib/natives_empty.xml");
AnalysisScope scope = AnalysisScopeReader.makePrimordialScope(null);
SetOfClasses exclusions = new FileOfClasses(new ByteArrayInputStream("com/sun/.*".getBytes()));
scope.setExclusions(exclusions);
ClassLoaderReference primordial = scope.getLoader(AnalysisScope.PRIMORDIAL);
AnalysisScopeReader.addClassPathToScope("test_lib/jSDG-stubs-j2me2.0.jar", scope, primordial);
AnalysisScopeReader.addClassPathToScope("test_lib/primordial.jar", scope, primordial);
ClassLoaderReference loader = scope.getLoader(AnalysisScope.APPLICATION);
AnalysisScopeReader.addClassPathToScope(classPath, scope, loader);
// Klassenhierarchie berechnen
System.out.println("Creating class hierarchy...");
ClassHierarchy cha = ClassHierarchy.make(scope);
System.out.println("Done.");
AnalysisCache cache = new AnalysisCache();
Iterable<Entrypoint> entries = Util.makeMainEntrypoints(scope, cha, "LMainEmulator");
// MethodReference mr = StringStuff.makeMethodReference(Language.JAVA, methodSig);
// IMethod m = cha.resolveMethod(mr);
if (entries == null || !entries.iterator().hasNext()) {
throw new IllegalStateException("Could not find main method in MainEmulator");
}
// Set<Entrypoint> entries = HashSetFactory.make();
// entries.add(new DefaultEntrypoint(m, cha));
AnalysisOptions options = new AnalysisOptions();
options.getSSAOptions().setPiNodePolicy(SSAOptions.getAllBuiltInPiNodes());
options.setEntrypoints(entries);
CallGraphBuilder builder = Util.makeZeroCFABuilder(options, cache, cha, scope);
System.out.println("Creating call graph...");
CallGraph cg = builder.makeCallGraph(options, null);
System.out.println("Done.");
PointerAnalysis pta = builder.getPointerAnalysis();
ExceptionPruneAnalysis mCFG = new ExceptionPruneAnalysis(cg, pta, cache);
return mCFG;
}
/**
* Usage: ScopeFileCallGraph -sourceDir file_path -mainClass class_name
*
* <p>If given -mainClass, uses main() method of class_name as entrypoint. Class name should start
* with an 'L'.
*
* <p>Example args: -sourceDir /tmp/srcTest -mainClass LFoo
*/
public static void main(String[] args)
throws ClassHierarchyException, IllegalArgumentException, CallGraphBuilderCancelException,
IOException {
long start = System.currentTimeMillis();
Properties p = CommandLine.parse(args);
String sourceDir = p.getProperty("sourceDir");
String mainClass = p.getProperty("mainClass");
AnalysisScope scope = new JavaSourceAnalysisScope();
// add standard libraries to scope
String[] stdlibs = WalaProperties.getJ2SEJarFiles();
for (int i = 0; i < stdlibs.length; i++) {
scope.addToScope(ClassLoaderReference.Primordial, new JarFile(stdlibs[i]));
}
// add the source directory
scope.addToScope(
JavaSourceAnalysisScope.SOURCE, new SourceDirectoryTreeModule(new File(sourceDir)));
// build the class hierarchy
IClassHierarchy cha =
ClassHierarchy.make(scope, new ECJClassLoaderFactory(scope.getExclusions()));
System.out.println(cha.getNumberOfClasses() + " classes");
System.out.println(Warnings.asString());
Warnings.clear();
AnalysisOptions options = new AnalysisOptions();
Iterable<Entrypoint> entrypoints =
Util.makeMainEntrypoints(JavaSourceAnalysisScope.SOURCE, cha, new String[] {mainClass});
options.setEntrypoints(entrypoints);
// you can dial down reflection handling if you like
// options.setReflectionOptions(ReflectionOptions.NONE);
AnalysisCache cache = new AnalysisCache(AstIRFactory.makeDefaultFactory());
// CallGraphBuilder builder = new ZeroCFABuilderFactory().make(options, cache, cha, scope,
// false);
CallGraphBuilder builder =
new ZeroOneContainerCFABuilderFactory().make(options, cache, cha, scope, false);
System.out.println("building call graph...");
CallGraph cg = builder.makeCallGraph(options, null);
long end = System.currentTimeMillis();
System.out.println("done");
System.out.println("took " + (end - start) + "ms");
System.out.println(CallGraphStats.getStats(cg));
}
public static ExceptionPruneAnalysis create(String methodSig)
throws WalaException, IOException, IllegalArgumentException, CallGraphBuilderCancelException {
AnalysisScope scope = AnalysisScopeReader.makePrimordialScope(null);
SetOfClasses exclusions =
new FileOfClasses(new ByteArrayInputStream(exclusionRegExp.getBytes()));
scope.setExclusions(exclusions);
ClassLoaderReference loader = scope.getLoader(AnalysisScope.APPLICATION);
AnalysisScopeReader.addClassPathToScope(classPath, scope, loader);
// Klassenhierarchie berechnen
ClassHierarchy cha = ClassHierarchy.make(scope);
AnalysisCache cache = new AnalysisCache();
MethodReference mr = StringStuff.makeMethodReference(Language.JAVA, methodSig);
IMethod m = cha.resolveMethod(mr);
if (m == null) {
throw new IllegalStateException("Could not resolve " + mr);
}
Set<Entrypoint> entries = HashSetFactory.make();
entries.add(new DefaultEntrypoint(m, cha));
AnalysisOptions options = new AnalysisOptions();
options.getSSAOptions().setPiNodePolicy(SSAOptions.getAllBuiltInPiNodes());
options.setEntrypoints(entries);
CallGraphBuilder builder = Util.makeZeroOneContainerCFABuilder(options, cache, cha, scope);
CallGraph cg = builder.makeCallGraph(options, null);
PointerAnalysis pta = builder.getPointerAnalysis();
ExceptionPruneAnalysis mCFG = new ExceptionPruneAnalysis(cg, pta, cache);
return mCFG;
}
@Override
protected IClassLoader makeNewClassLoader(
ClassLoaderReference classLoaderReference,
IClassHierarchy cha,
IClassLoader parent,
AnalysisScope scope)
throws IOException {
if (classLoaderReference.equals(JavaScriptTypes.jsLoader)) {
JavaScriptLoader L = new JavaScriptLoader(cha, jsTranslatorFactory);
L.init(scope.getModules(classLoaderReference));
return L;
} else {
return super.makeNewClassLoader(classLoaderReference, cha, parent, scope);
}
}
public static void addJ2EEBypassLogic(
AnalysisOptions options,
AnalysisScope scope,
DeploymentMetaData dmd,
IClassHierarchy cha,
ReceiverTypeInferenceCache typeInference) {
if (cha == null) {
throw new IllegalArgumentException("cha is null");
}
MethodTargetSelector ms =
new J2EEMethodTargetSelector(
scope, options.getMethodTargetSelector(), dmd, cha, typeInference);
options.setSelector(ms);
ClassTargetSelector cs =
new J2EEClassTargetSelector(
options.getClassTargetSelector(),
dmd,
cha,
cha.getLoader(scope.getLoader(Atom.findOrCreateUnicodeAtom("Synthetic"))));
options.setSelector(cs);
}
// public static void addBypassLogic(AnalysisOptions options, AnalysisScope
// scope, ClassLoader cl, String xmlFile,
// IClassHierarchy cha) throws IllegalArgumentException {
public static void addBypassLogic(
AnalysisOptions options,
AnalysisScope scope,
InputStream xmlIStream,
IClassHierarchy cha,
MethodSummary extraSummary)
throws IllegalArgumentException {
if (scope == null) {
throw new IllegalArgumentException("scope is null");
}
if (options == null) {
throw new IllegalArgumentException("options is null");
}
// if (cl == null) {
// throw new IllegalArgumentException("cl is null");
// }
if (cha == null) {
throw new IllegalArgumentException("cha cannot be null");
}
InputStream s = null;
try {
Set<TypeReference> summaryClasses = HashSetFactory.make();
Map<MethodReference, MethodSummary> summaries = HashMapFactory.make();
if (null != xmlIStream) {
XMLMethodSummaryReader newSummaryXML = loadMethodSummaries(scope, xmlIStream);
summaryClasses.addAll(newSummaryXML.getAllocatableClasses());
for (MethodSummary summary : newSummaryXML.getSummaries().values()) {
logger.trace(
"SSA instructions for summary of {}:\n{}",
summary.getMethod().getSignature().toString(),
Arrays.toString(summary.getStatements()));
}
summaries.putAll(newSummaryXML.getSummaries());
}
logger.debug("loaded " + summaries.size() + " new summaries");
// for (MethodReference mr : summaries.keySet()) {
// logger.debug("summary loaded for: "+mr.getSignature());
// }
s =
new FileProvider()
.getInputStreamFromClassLoader(
pathToSpec + File.separator + methodSpec,
AndroidAnalysisContext.class.getClassLoader());
XMLMethodSummaryReader nativeSummaries = loadMethodSummaries(scope, s);
logger.debug("loaded " + nativeSummaries.getSummaries().size() + " native summaries");
summaries.putAll(nativeSummaries.getSummaries());
summaryClasses.addAll(nativeSummaries.getAllocatableClasses());
if (extraSummary != null) {
summaries.put((MethodReference) extraSummary.getMethod(), extraSummary);
}
MethodTargetSelector ms =
new BypassMethodTargetSelector(
options.getMethodTargetSelector(), summaries,
nativeSummaries.getIgnoredPackages(), cha);
options.setSelector(ms);
ClassTargetSelector cs =
new BypassClassTargetSelector(
options.getClassTargetSelector(),
summaryClasses,
cha,
cha.getLoader(scope.getLoader(Atom.findOrCreateUnicodeAtom("Synthetic"))));
options.setSelector(cs);
} catch (FileNotFoundException e) {
e.printStackTrace();
} finally {
if (null != s) {
try {
s.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}