/**
* @see
* com.ibm.wala.ipa.callgraph.propagation.SSAContextInterpreter#getIR(com.ibm.wala.ipa.callgraph.CGNode)
*/
@Override
public IR getIR(CGNode node) {
if (node == null) {
throw new IllegalArgumentException("node is null");
}
assert understands(node);
if (DEBUG) {
System.err.println("generating IR for " + node);
}
IMethod method = node.getMethod();
GetMethodContext context = (GetMethodContext) node.getContext();
Map<Integer, ConstantValue> constants = HashMapFactory.make();
if (method.getReference().equals(GET_METHOD)) {
Atom name = Atom.findOrCreateAsciiAtom(context.getName());
SSAInstruction instrs[] = makeGetMethodStatements(context, constants, name);
return new SyntheticIR(
method,
context,
new InducedCFG(instrs, method, context),
instrs,
SSAOptions.defaultOptions(),
constants);
}
if (method.getReference().equals(GET_DECLARED_METHOD)) {
Atom name = Atom.findOrCreateAsciiAtom(context.getName());
SSAInstruction instrs[] = makeGetDeclaredMethodStatements(context, constants, name);
return new SyntheticIR(
method,
context,
new InducedCFG(instrs, method, context),
instrs,
SSAOptions.defaultOptions(),
constants);
}
Assertions.UNREACHABLE("Unexpected method " + node);
return null;
}
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;
}
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;
}
public SSAInstruction[] getStatements() {
return getStatements(SSAOptions.defaultOptions());
}
