/**
* builds a call graph, and sets the corresponding heap model for analysis
*
* @param scope
* @param cha
* @param options
* @return
* @throws CancelException
* @throws IllegalArgumentException
*/
private static Pair<CallGraph, PointerAnalysis> buildCallGraph(
AnalysisScope scope, ClassHierarchy cha, AnalysisOptions options)
throws IllegalArgumentException, CancelException {
CallGraph retCG = null;
PointerAnalysis retPA = null;
final AnalysisCache cache = new AnalysisCache();
CallGraphBuilder builder;
if (CHEAP_CG) {
builder = Util.makeZeroCFABuilder(options, cache, cha, scope);
// we want vanilla 0-1 CFA, which has one abstract loc per allocation
heapModel = Util.makeVanillaZeroOneCFABuilder(options, cache, cha, scope);
} else {
builder = Util.makeZeroOneContainerCFABuilder(options, cache, cha, scope);
heapModel = (HeapModel) builder;
}
ProgressMaster master = ProgressMaster.make(new NullProgressMonitor(), 360000, false);
master.beginTask("runSolver", 1);
try {
retCG = builder.makeCallGraph(options, master);
retPA = builder.getPointerAnalysis();
} catch (CallGraphBuilderCancelException e) {
System.err.println("TIMED OUT!!");
retCG = e.getPartialCallGraph();
retPA = e.getPartialPointerAnalysis();
}
return Pair.make(retCG, retPA);
}
@Test
public void testSystemProperties()
throws ClassHierarchyException, IllegalArgumentException, CancelException, IOException {
AnalysisScope scope =
CallGraphTestUtil.makeJ2SEAnalysisScope(
TestConstants.WALA_TESTDATA, CallGraphTestUtil.REGRESSION_EXCLUSIONS);
ClassHierarchy cha = ClassHierarchy.make(scope);
Iterable<Entrypoint> entrypoints =
com.ibm.wala.ipa.callgraph.impl.Util.makeMainEntrypoints(
scope, cha, "LstaticInit/TestSystemProperties");
AnalysisOptions options = CallGraphTestUtil.makeAnalysisOptions(scope, entrypoints);
SSAPropagationCallGraphBuilder builder =
Util.makeZeroCFABuilder(options, new AnalysisCache(), cha, scope);
CallGraph cg = builder.makeCallGraph(options);
for (CGNode n : cg) {
if (n.toString()
.equals(
"Node: < Application, LstaticInit/TestSystemProperties, main([Ljava/lang/String;)V > Context: Everywhere")) {
boolean foundToCharArray = false;
for (CGNode callee : Iterator2Iterable.make(cg.getSuccNodes(n))) {
if (callee.getMethod().getName().toString().equals("toCharArray")) {
foundToCharArray = true;
break;
}
}
Assert.assertTrue(foundToCharArray);
break;
}
}
}
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;
}