private static StructureType getInstanceType0(
SootClass clazz, int subClassAlignment, int[] superSize) {
List<Type> types = new ArrayList<Type>();
List<SootField> fields = getInstanceFields(clazz);
int superAlignment = 1;
if (!fields.isEmpty()) {
// Pad the super type so that the first field is aligned properly
SootField field = fields.get(0);
superAlignment = getFieldAlignment(field);
}
if (clazz.hasSuperclass()) {
types.add(getInstanceType0(clazz.getSuperclass(), superAlignment, superSize));
}
int offset = superSize[0];
for (SootField field : fields) {
int falign = getFieldAlignment(field);
int padding = (offset & (falign - 1)) != 0 ? (falign - (offset & (falign - 1))) : 0;
types.add(padType(getType(field.getType()), padding));
offset += padding + getFieldSize(field);
}
int padding =
(offset & (subClassAlignment - 1)) != 0
? (subClassAlignment - (offset & (subClassAlignment - 1)))
: 0;
for (int i = 0; i < padding; i++) {
types.add(I8);
offset++;
}
superSize[0] = offset;
return new StructureType(types.toArray(new Type[types.size()]));
}
public void transform() {
if (clazz.isPhantom()) return;
// build ancestor
// List<SootClass> ancestors = Scene.v().getActiveHierarchy().getSuperclassesOf(clazz);
List<SootClass> ancestors = new LinkedList<SootClass>();
// fill in ancestor list without using Soot.Hierarchy
SootClass curAncestor = clazz;
while (curAncestor.hasSuperclass()) {
ancestors.add(curAncestor.getSuperclass());
curAncestor = curAncestor.getSuperclass();
}
for (SootClass ancestor : ancestors) {
if (ancestor.isPhantom()) continue;
cloneReachableNonHiddenAncestorMethods(ancestor);
}
// modify ancestors fields
for (SootClass ancestor : ancestors) {
if (ancestor.isPhantom()) continue;
SootUtils.makeFieldsVisible(ancestor);
}
cloneHiddenAncestorMethodsAndFixInvokeSpecial();
}
/**
* Resolve the concrete target of a special invoke using our modified semantics for special invoke
* expression.
*/
private SootMethod resolveSpecialInvokeTarget(SpecialInvokeExpr si) {
SootMethod target = null;
try {
target = SootUtils.resolve(si.getMethodRef());
} catch (CannotFindMethodException e) {
logger.error("Cannot find concrete method target for special invoke: {}", si);
return null;
}
String targetSubSig = target.getSubSignature();
SootClass current = target.getDeclaringClass();
while (true) {
if (current.declaresMethod(targetSubSig)) {
return current.getMethod(targetSubSig);
}
// not a match in current, try superclass on next loop
if (current.hasSuperclass()) current = current.getSuperclass();
else {
logger.error("Cannot find concrete method target for special invoke: {}", si);
droidsafe.main.Main.exit(1);
return null;
}
}
}
public static boolean isSubclass(SootClass sc, String className) {
SootClass clazz = sc;
while (clazz.hasSuperclass()) {
clazz = clazz.getSuperclass();
if (className.equals(clazz.getName())) {
return true;
}
}
return false;
}
public static boolean isAssignable(SootClass taintType, SootClass declaredType) {
if (taintType.equals(declaredType)) return true;
if (taintType.hasSuperclass() && isAssignable(taintType.getSuperclass(), declaredType)) {
return true;
}
for (SootClass interf : taintType.getInterfaces()) {
if (isAssignable(interf, declaredType)) return true;
}
return false;
}
public ResolvedEntry resolve(SootClass clazz) {
while (clazz != null) {
for (SootMethod m : clazz.getMethods()) {
if (m.getName().equals(name) && desc.equals(Types.getDescriptor(m))) {
return new ResolvedEntry(this, m);
}
}
clazz = clazz.hasSuperclass() ? clazz.getSuperclass() : null;
}
return null;
}
public ReverseClassHierarchy(Map<String, OpenCLClass> classes) {
m_Hierarchy = new ArrayList<TreeNode>();
m_Classes = classes;
addClass("java.lang.String");
Set<String> key_set = classes.keySet();
Set<String> visited = new HashSet<String>();
for (String key : key_set) {
OpenCLClass ocl_class = classes.get(key);
SootClass soot_class = Scene.v().getSootClass(ocl_class.getJavaName());
if (soot_class.hasSuperclass() == false) continue;
SootClass parent = soot_class.getSuperclass();
if (parent.getName().equals("java.lang.Object")) {
TreeNode tree = new TreeNode(soot_class, ocl_class);
m_Hierarchy.add(tree);
visited.add(key);
}
}
boolean modified;
do {
modified = false;
key_set = classes.keySet();
for (String key : key_set) {
if (visited.contains(key)) continue;
OpenCLClass ocl_class = classes.get(key);
SootClass soot_class = Scene.v().getSootClass(ocl_class.getJavaName());
if (soot_class.hasSuperclass() == false) continue;
SootClass parent = soot_class.getSuperclass();
TreeNode node = getNode(parent);
if (node == null) continue;
node.addChild(soot_class, ocl_class);
modified = true;
visited.add(key);
}
} while (modified);
}
public static HashSet<SootMethod> getAllImplementations(SootMethod method) {
Chain appClasses = Scene.v().getApplicationClasses();
HashSet<SootClass> implementingClasses = new HashSet<SootClass>(1);
HashSet<SootMethod> overridingMethods = new HashSet<SootMethod>(1);
SootClass t = method.getDeclaringClass();
if (
/*t.isAbstract() || */ t.isPhantom() || t.isPhantomClass()) {
boolean b1 = t.isAbstract();
boolean be = t.isPhantom();
boolean b3 = t.isPhantomClass();
try {
throw new Exception("Need to implement for Plantom Classes");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if (t.isAbstract()) {
for (Object object : appClasses) {
SootClass clazz = (SootClass) object;
SootClass superClass = clazz.getSuperclass();
{
if (superClass.getName().equals(t.toString())) {
implementingClasses.add(clazz);
SootMethod m2 =
clazz.getMethod(
method.getName(), method.getParameterTypes(), method.getReturnType());
overridingMethods.add(m2);
}
}
}
}
if (t.isInterface()) {
for (Object object : appClasses) {
SootClass clazz = (SootClass) object;
Chain<SootClass> interfaces = clazz.getInterfaces();
for (SootClass sootClass : interfaces) {
if (sootClass.getName().equals(t.toString())) {
implementingClasses.add(clazz);
SootMethod m2 =
clazz.getMethod(
method.getName(), method.getParameterTypes(), method.getReturnType());
overridingMethods.add(m2);
}
}
}
}
return overridingMethods;
}
/** For instance invokes */
public static ArrayList<SootMethod> resolveAppCall(Type tgtType, SootMethodRef methodRef) {
final NumberedString mSubsignature = methodRef.getSubSignature();
if (tgtType instanceof RefType) {
// find first class upwards in hierarchy, starting from cls, that implements method (i.e.,
// *concrete* method)
SootClass cls = ((RefType) tgtType).getSootClass();
while (!cls.declaresMethod(mSubsignature))
cls =
cls
.getSuperclass(); // if method not in this class, it HAS to be in a superclass, so a
// superclass must exist
if (!cls.hasTag(ClassTag.TAG_NAME)) return null; // not an app method
// finally, store resolved app method
SootMethod m = cls.getMethod(mSubsignature);
assert m.hasTag(MethodTag.TAG_NAME);
ArrayList<SootMethod> methods = new ArrayList<SootMethod>();
methods.add(m); // just one element, directly resolved
return methods;
}
if (tgtType instanceof AnySubType) {
// return set of all app subtypes that implement referenced method
SootClass baseCls = ((AnySubType) tgtType).getBase().getSootClass();
List subClasses =
baseCls.isInterface()
? Scene.v().getActiveHierarchy().getImplementersOf(baseCls)
: Scene.v().getActiveHierarchy().getSubclassesOf(baseCls);
ArrayList<SootMethod> methods = new ArrayList<SootMethod>();
for (Object oSubCls : subClasses) {
SootClass subCls = (SootClass) oSubCls;
if (subCls.hasTag(ClassTag.TAG_NAME)) {
try {
SootMethod m = subCls.getMethod(mSubsignature);
assert m.hasTag(MethodTag.TAG_NAME);
if (!m.isAbstract()) methods.add(m);
} catch (RuntimeException e) {
}
}
}
return methods;
}
assert tgtType instanceof ArrayType; // only other case observed so far
return new ArrayList(); // no array class/method is in app
}
public VTable get(SootClass clazz) {
if (clazz.isInterface()) {
throw new IllegalArgumentException("Expected a class got an interface: " + clazz.getName());
}
VTable vtable = cache.get(clazz.getName());
if (vtable != null) {
return vtable;
}
VTable parent = null;
if (clazz.hasSuperclass()) {
parent = get(clazz.getSuperclass());
}
vtable = new VTable(clazz, parent);
cache.put(clazz.getName(), vtable);
return vtable;
}
/**
* Finds in class hierarchy and returns all app and lib concrete methods possibly referenced by
* method ref. Method is assumed to be virtual (not special or static). Returns true if there are
* library methods among targets found.
*/
public static boolean getConcreteCallTargets(
InvokeExpr instInvExpr, /*OUT*/
Set<SootMethod> appTargets, /*OUT*/
Set<SootMethod> libTargets) {
// get class of method ref; we start searching from this class
SootMethodRef mref = instInvExpr.getMethodRef();
SootClass cls = mref.declaringClass(); // starting class
final NumberedString subsignature = mref.getSubSignature(); // signature to search for
// CASE 1: object is of declared class type or inherited from some superclass
// find first superclass, starting from current cls, that declares method; there HAS to
// be such a class
// note that if cls is interface, superclass if java.lang.Object
// note that we don't check if there is indeed an interface declaring the method; we assume this
// is the case if no superclass declares it
while (!cls.declaresMethod(subsignature) && cls.hasSuperclass())
cls = cls.getSuperclass(); // never an interface
// now, method might not be in superclass, or might be abstract; in that case, it's not a target
SootMethod m;
if (cls.declaresMethod(subsignature)) {
m = cls.getMethod(subsignature);
if (!m.isAbstract()) {
if (cls.hasTag(ClassTag.TAG_NAME)) appTargets.add(m); // add app method
else libTargets.add(m); // add lib method
}
}
// (only for virtual/interface calls)
// CASE 2: object's actual type is a subclass; any subclass declaring the method is a possible
// target
// we have to check all superclasses of implementers, because starting cls might be
// interface
if (instInvExpr instanceof VirtualInvokeExpr || instInvExpr instanceof InterfaceInvokeExpr) {
cls = mref.declaringClass(); // start again from declaring class
List<SootClass> allSubclasses = getAllSubtypes(cls);
for (SootClass subCls : allSubclasses) {
m = getMethodInClassOrSuperclass(subCls, subsignature);
if (m != null && !m.isAbstract()) {
if (m.getDeclaringClass().hasTag(ClassTag.TAG_NAME)) appTargets.add(m); // add app method
else libTargets.add(m); // add lib method
}
}
}
return !libTargets.isEmpty();
}
// TODO: Consider implementing a cached version
private static Set<SootMethod> getInitialDeclaration(SootMethod method, SootClass candidate) {
Set<SootMethod> result = Sets.newHashSet();
if (candidate.hasSuperclass()) {
result.addAll(getInitialDeclaration(method, candidate.getSuperclass()));
}
for (SootClass intface : candidate.getInterfaces()) {
result.addAll(getInitialDeclaration(method, intface));
}
if (result.isEmpty()) {
for (SootMethod candidateMethod : candidate.getMethods()) {
if (compatible(candidateMethod, method)) {
result.add(candidateMethod);
break;
}
}
}
return result;
}
// finds the most restrictive form of exception that is also a superclass of exception_class
SootClass GetMostRestrictiveFormOfException(
List<TwoValuePair<Trap, Set<SootClass>>> tvps, SootClass exception_class) {
List<TwoValuePair<SootClass, Integer>> superclass_counters =
new ArrayList<TwoValuePair<SootClass, Integer>>();
for (TwoValuePair<Trap, Set<SootClass>> tvp : tvps) {
SootClass super_exception_class = exception_class;
int i = 0;
while (super_exception_class != null) {
if (tvp.v.getException() == super_exception_class) {
superclass_counters.add(
new TwoValuePair<SootClass, Integer>(tvp.v.getException(), new Integer(i)));
}
i++;
try {
super_exception_class = super_exception_class.getSuperclass();
} catch (
RuntimeException
e) { // unfortunately soot doesn't have a specific exception class for "no
// superclass for java.lang.Object" exception
super_exception_class = null;
}
}
}
assert superclass_counters.size() != 0;
TwoValuePair<SootClass, Integer> most_restrictive_form = superclass_counters.get(0);
for (TwoValuePair<SootClass, Integer> tvp : superclass_counters) {
if (tvp.w < most_restrictive_form.w) {
most_restrictive_form = tvp;
}
}
return most_restrictive_form.v;
}
public static boolean isEnum(SootClass sc) {
return sc.hasSuperclass() && sc.getSuperclass().getName().equals("java.lang.Enum");
}
private StructureConstant createClassInfoStruct() {
int flags = 0;
if (Modifier.isPublic(sootClass.getModifiers())) {
flags |= CI_PUBLIC;
}
if (Modifier.isFinal(sootClass.getModifiers())) {
flags |= CI_FINAL;
}
if (Modifier.isInterface(sootClass.getModifiers())) {
flags |= CI_INTERFACE;
}
if (Modifier.isAbstract(sootClass.getModifiers())) {
flags |= CI_ABSTRACT;
}
if ((sootClass.getModifiers() & 0x1000) > 0) {
flags |= CI_SYNTHETIC;
}
if (Modifier.isAnnotation(sootClass.getModifiers())) {
flags |= CI_ANNOTATION;
}
if (Modifier.isEnum(sootClass.getModifiers())) {
flags |= CI_ENUM;
}
if (attributesEncoder.classHasAttributes()) {
flags |= CI_ATTRIBUTES;
}
if (hasFinalizer(sootClass)) {
flags |= CI_FINALIZABLE;
}
// Create the ClassInfoHeader structure.
StructureConstantBuilder header = new StructureConstantBuilder();
header.add(new NullConstant(I8_PTR)); // Points to the runtime Class struct
header.add(new IntegerConstant(flags));
header.add(getString(getInternalName(sootClass)));
if (sootClass.declaresMethod("<clinit>", Collections.emptyList(), VoidType.v())) {
SootMethod method = sootClass.getMethod("<clinit>", Collections.emptyList(), VoidType.v());
header.add(new FunctionRef(mangleMethod(method), getFunctionType(method)));
} else {
header.add(new NullConstant(I8_PTR));
}
header.add(sizeof(classType));
header.add(sizeof(instanceType));
if (!instanceFields.isEmpty()) {
header.add(offsetof(instanceType, 1, 1));
} else {
header.add(sizeof(instanceType));
}
header.add(new IntegerConstant((short) countReferences(classFields)));
header.add(new IntegerConstant((short) countReferences(instanceFields)));
PackedStructureConstantBuilder body = new PackedStructureConstantBuilder();
body.add(new IntegerConstant((short) sootClass.getInterfaceCount()));
body.add(new IntegerConstant((short) sootClass.getFieldCount()));
body.add(new IntegerConstant((short) sootClass.getMethodCount()));
if (!sootClass.isInterface()) {
body.add(
getStringOrNull(
sootClass.hasSuperclass() ? getInternalName(sootClass.getSuperclass()) : null));
}
if (attributesEncoder.classHasAttributes()) {
body.add(new ConstantBitcast(attributesEncoder.getClassAttributes().ref(), I8_PTR));
}
for (SootClass s : sootClass.getInterfaces()) {
body.add(getString(getInternalName(s)));
}
for (SootField f : sootClass.getFields()) {
flags = 0;
soot.Type t = f.getType();
if (t instanceof PrimType) {
if (t.equals(BooleanType.v())) {
flags |= DESC_Z;
} else if (t.equals(ByteType.v())) {
flags |= DESC_B;
} else if (t.equals(ShortType.v())) {
flags |= DESC_S;
} else if (t.equals(CharType.v())) {
flags |= DESC_C;
} else if (t.equals(IntType.v())) {
flags |= DESC_I;
} else if (t.equals(LongType.v())) {
flags |= DESC_J;
} else if (t.equals(FloatType.v())) {
flags |= DESC_F;
} else if (t.equals(DoubleType.v())) {
flags |= DESC_D;
}
flags <<= 12;
}
if (Modifier.isPublic(f.getModifiers())) {
flags |= FI_PUBLIC;
} else if (Modifier.isPrivate(f.getModifiers())) {
flags |= FI_PRIVATE;
} else if (Modifier.isProtected(f.getModifiers())) {
flags |= FI_PROTECTED;
}
if (Modifier.isStatic(f.getModifiers())) {
flags |= FI_STATIC;
}
if (Modifier.isFinal(f.getModifiers())) {
flags |= FI_FINAL;
}
if (Modifier.isVolatile(f.getModifiers())) {
flags |= FI_VOLATILE;
}
if (Modifier.isTransient(f.getModifiers())) {
flags |= FI_TRANSIENT;
}
if ((f.getModifiers() & 0x1000) > 0) {
flags |= FI_SYNTHETIC;
}
if (Modifier.isEnum(f.getModifiers())) {
flags |= FI_ENUM;
}
if (attributesEncoder.fieldHasAttributes(f)) {
flags |= FI_ATTRIBUTES;
}
body.add(new IntegerConstant((short) flags));
body.add(getString(f.getName()));
if (!(t instanceof PrimType)) {
body.add(getString(getDescriptor(f)));
}
if (f.isStatic()) {
int index = classFields.indexOf(f);
body.add(offsetof(classType, 1, index, 1));
} else {
int index = instanceFields.indexOf(f);
body.add(offsetof(instanceType, 1, 1 + index, 1));
}
if (attributesEncoder.fieldHasAttributes(f)) {
body.add(new ConstantBitcast(attributesEncoder.getFieldAttributes(f).ref(), I8_PTR));
}
}
for (SootMethod m : sootClass.getMethods()) {
soot.Type t = m.getReturnType();
flags = 0;
if (Modifier.isPublic(m.getModifiers())) {
flags |= MI_PUBLIC;
} else if (Modifier.isPrivate(m.getModifiers())) {
flags |= MI_PRIVATE;
} else if (Modifier.isProtected(m.getModifiers())) {
flags |= MI_PROTECTED;
}
if (Modifier.isStatic(m.getModifiers())) {
flags |= MI_STATIC;
}
if (Modifier.isFinal(m.getModifiers())) {
flags |= MI_FINAL;
}
if (Modifier.isSynchronized(m.getModifiers())) {
flags |= MI_SYNCHRONIZED;
}
if ((m.getModifiers() & 0x0040) > 0) {
flags |= MI_BRIDGE;
}
if ((m.getModifiers() & 0x0080) > 0) {
flags |= MI_VARARGS;
}
if (Modifier.isNative(m.getModifiers())) {
if (!isStruct(sootClass) && !isStructMember(m)) {
flags |= MI_NATIVE;
}
}
if (Modifier.isAbstract(m.getModifiers())) {
flags |= MI_ABSTRACT;
}
if (Modifier.isStrictFP(m.getModifiers())) {
flags |= MI_STRICT;
}
if ((m.getModifiers() & 0x1000) > 0) {
flags |= MI_SYNTHETIC;
}
if (attributesEncoder.methodHasAttributes(m)) {
flags |= MI_ATTRIBUTES;
}
if (isBridge(m)) {
flags |= MI_BRO_BRIDGE;
}
if (isCallback(m)) {
flags |= MI_BRO_CALLBACK;
}
if ((t instanceof PrimType || t == VoidType.v()) && m.getParameterCount() == 0) {
flags |= MI_COMPACT_DESC;
}
body.add(new IntegerConstant((short) flags));
body.add(getString(m.getName()));
if ((flags & MI_COMPACT_DESC) > 0) {
int desc = 0;
if (t.equals(BooleanType.v())) {
desc = DESC_Z;
} else if (t.equals(ByteType.v())) {
desc = DESC_B;
} else if (t.equals(ShortType.v())) {
desc = DESC_S;
} else if (t.equals(CharType.v())) {
desc = DESC_C;
} else if (t.equals(IntType.v())) {
desc = DESC_I;
} else if (t.equals(LongType.v())) {
desc = DESC_J;
} else if (t.equals(FloatType.v())) {
desc = DESC_F;
} else if (t.equals(DoubleType.v())) {
desc = DESC_D;
} else if (t.equals(VoidType.v())) {
desc = DESC_V;
}
body.add(new IntegerConstant((byte) desc));
} else {
body.add(getString(getDescriptor(m)));
}
if (attributesEncoder.methodHasAttributes(m)) {
body.add(new ConstantBitcast(attributesEncoder.getMethodAttributes(m).ref(), I8_PTR));
}
if (!m.isAbstract()) {
body.add(new ConstantBitcast(new FunctionRef(mangleMethod(m), getFunctionType(m)), I8_PTR));
body.add(
new IntegerConstant(
DUMMY_METHOD_SIZE)); // Size of function. This value will be modified later by
// patching the .s file.
if (m.isSynchronized()) {
body.add(
new ConstantBitcast(
new FunctionRef(mangleMethod(m) + "_synchronized", getFunctionType(m)), I8_PTR));
}
}
if (isBridge(m)) {
body.add(new GlobalRef(BridgeMethodCompiler.getTargetFnPtrName(m), I8_PTR));
}
if (isCallback(m)) {
body.add(
new ConstantBitcast(
new FunctionRef(mangleMethod(m) + "_callback", getCallbackFunctionType(m)),
I8_PTR));
}
}
// Return the struct {header, body}. To be compatible with the C code in classinfo.c
// it is important that the header is padded the same as in C so that the body starts
// after sizeof(ClassInfoHeader) bytes.
return new StructureConstantBuilder().add(header.build()).add(body.build()).build();
}
private StructureConstant createClassInfoErrorStruct() {
/*
* Check that clazz can be loaded, i.e. that the superclass
* and interfaces of the class exist and are accessible to the
* class. Also check that any exception the class uses in catch
* clauses exist and is accessible to the class. If the class
* cannot be loaded we override the ClassInfoHeader struct
* produced by the ClassCompiler for the class with one which
* tells the code in bc.c to throw an appropriate exception
* whenever clazz is accessed.
*/
int errorType = ClassCompiler.CI_ERROR_TYPE_NONE;
String errorMessage = null;
if (!sootClass.isInterface() && sootClass.hasSuperclass()) {
// Check superclass
SootClass superclazz = sootClass.getSuperclass();
if (superclazz.isPhantom()) {
errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
errorMessage = superclazz.getName();
} else if (!checkClassAccessible(superclazz, sootClass)) {
errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, superclazz, sootClass);
} else if (superclazz.isInterface()) {
errorType = ClassCompiler.CI_ERROR_TYPE_INCOMPATIBLE_CLASS_CHANGE;
errorMessage =
String.format("class %s has interface %s as super class", sootClass, superclazz);
}
// No need to check for ClassCircularityError. Soot doesn't handle
// such problems so the compilation will fail earlier.
}
if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
// Check interfaces
for (SootClass interfaze : sootClass.getInterfaces()) {
if (interfaze.isPhantom()) {
errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
errorMessage = interfaze.getName();
break;
} else if (!checkClassAccessible(interfaze, sootClass)) {
errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, interfaze, sootClass);
break;
} else if (!interfaze.isInterface()) {
errorType = ClassCompiler.CI_ERROR_TYPE_INCOMPATIBLE_CLASS_CHANGE;
errorMessage =
String.format(
"class %s tries to implement class %s as interface", sootClass, interfaze);
break;
}
}
}
if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
// Check exceptions used in catch clauses. I cannot find any info in
// the VM spec specifying that this has to be done when the class is loaded.
// However, this is how it's done in other VMs so we do it too.
for (String exName : catches) {
Clazz ex = config.getClazzes().load(exName);
if (ex == null || ex.getSootClass().isPhantom()) {
errorType = ClassCompiler.CI_ERROR_TYPE_NO_CLASS_DEF_FOUND;
errorMessage = exName;
break;
} else if (!checkClassAccessible(ex.getSootClass(), sootClass)) {
errorType = ClassCompiler.CI_ERROR_TYPE_ILLEGAL_ACCESS;
errorMessage = String.format(ILLEGAL_ACCESS_ERROR_CLASS, ex, sootClass);
break;
}
}
}
if (errorType == ClassCompiler.CI_ERROR_TYPE_NONE) {
return null;
}
// Create a ClassInfoError struct
StructureConstantBuilder error = new StructureConstantBuilder();
error.add(new NullConstant(I8_PTR)); // Points to the runtime Class struct
error.add(new IntegerConstant(ClassCompiler.CI_ERROR));
error.add(getString(getInternalName(sootClass)));
error.add(new IntegerConstant(errorType));
error.add(getString(errorMessage));
return error.build();
}
private void compile(Clazz clazz, OutputStream out) throws IOException {
sootClass = clazz.getSootClass();
mb = new ModuleBuilder();
trampolines = new HashSet<Trampoline>();
catches = new HashSet<String>();
classFields = getClassFields(sootClass);
instanceFields = getInstanceFields(sootClass);
classType = getClassType(sootClass);
instanceType = getInstanceType(sootClass);
attributesEncoder.encode(mb, sootClass);
// Add a <clinit> method if the class has ConstantValueTags but no <clinit>.
// This has to be done before createInfoStruct() is called otherwise the
// ClassInfoHeader->initializer value will become NULL and constant static fields
// will never be initialized.
if (!sootClass.declaresMethodByName("<clinit>") && hasConstantValueTags(classFields)) {
SootMethod clinit =
new SootMethod("<clinit>", Collections.EMPTY_LIST, VoidType.v(), Modifier.STATIC);
JimpleBody body = Jimple.v().newBody(clinit);
clinit.setActiveBody(body);
body.getUnits().add(new JReturnVoidStmt());
this.sootClass.addMethod(clinit);
}
if (isStruct(sootClass)) {
if (!Modifier.isFinal(sootClass.getModifiers())) {
throw new IllegalArgumentException("Struct class must be final");
}
SootMethod _sizeOf =
new SootMethod("_sizeOf", Collections.EMPTY_LIST, IntType.v(), Modifier.PROTECTED);
sootClass.addMethod(_sizeOf);
SootMethod sizeOf =
new SootMethod(
"sizeOf", Collections.EMPTY_LIST, IntType.v(), Modifier.PUBLIC | Modifier.STATIC);
sootClass.addMethod(sizeOf);
}
mb.addInclude(
getClass()
.getClassLoader()
.getResource(
String.format("header-%s-%s.ll", config.getOs().getFamily(), config.getArch())));
mb.addInclude(getClass().getClassLoader().getResource("header.ll"));
mb.addFunction(createInstanceof());
mb.addFunction(createCheckcast());
mb.addFunction(createLdcClass());
mb.addFunction(createLdcClassWrapper());
Function allocator = createAllocator();
mb.addFunction(allocator);
mb.addFunction(createClassInitWrapperFunction(allocator.ref()));
for (SootField f : sootClass.getFields()) {
Function getter = createFieldGetter(f);
Function setter = createFieldSetter(f);
mb.addFunction(getter);
mb.addFunction(setter);
if (f.isStatic() && !f.isPrivate()) {
mb.addFunction(createClassInitWrapperFunction(getter.ref()));
if (!f.isFinal()) {
mb.addFunction(createClassInitWrapperFunction(setter.ref()));
}
}
}
for (SootMethod method : sootClass.getMethods()) {
String name = method.getName();
if (isBridge(method)) {
bridgeMethod(method);
} else if (isStruct(sootClass)
&& ("_sizeOf".equals(name) || "sizeOf".equals(name) || isStructMember(method))) {
structMember(method);
} else if (method.isNative()) {
nativeMethod(method);
} else if (!method.isAbstract()) {
method(method);
}
if (!name.equals("<clinit>")
&& !name.equals("<init>")
&& !method.isPrivate()
&& !method.isStatic()
&& !Modifier.isFinal(method.getModifiers())
&& !Modifier.isFinal(sootClass.getModifiers())) {
createLookupFunction(method);
}
if (method.isStatic()) {
String fnName = mangleMethod(method);
if (method.isSynchronized()) {
fnName += "_synchronized";
}
FunctionRef fn = new FunctionRef(fnName, getFunctionType(method));
mb.addFunction(createClassInitWrapperFunction(fn));
}
}
Set<String> trampolineDependencies = new HashSet<String>();
for (Trampoline trampoline : trampolines) {
trampolineResolver.compile(mb, trampoline);
trampolineDependencies.addAll(trampolineResolver.getDependencies());
}
Global classInfoStruct = null;
StructureConstant classInfoErrorStruct = createClassInfoErrorStruct();
if (classInfoErrorStruct != null) {
// The class cannot be loaded at runtime. Replace the ClassInfo struct
// with a ClassInfoError struct with details of why.
classInfoStruct = new Global(mangleClass(sootClass) + "_info_struct", classInfoErrorStruct);
} else {
classInfoStruct =
new Global(mangleClass(sootClass) + "_info_struct", createClassInfoStruct());
}
mb.addGlobal(classInfoStruct);
Function infoFn = FunctionBuilder.infoStruct(sootClass);
infoFn.add(new Ret(new ConstantBitcast(classInfoStruct.ref(), I8_PTR_PTR)));
mb.addFunction(infoFn);
out.write(mb.build().toString().getBytes("UTF-8"));
clazz.clearDependencies();
clazz.addDependency(
"java/lang/Object"); // Make sure no class or interface has zero dependencies
if (sootClass.hasSuperclass() && !sootClass.isInterface()) {
clazz.addDependency(getInternalName(sootClass.getSuperclass()));
}
for (SootClass iface : sootClass.getInterfaces()) {
clazz.addDependency(getInternalName(iface));
}
for (SootField f : sootClass.getFields()) {
addDependencyIfNeeded(clazz, f.getType());
}
for (SootMethod m : sootClass.getMethods()) {
addDependencyIfNeeded(clazz, m.getReturnType());
@SuppressWarnings("unchecked")
List<soot.Type> paramTypes = (List<soot.Type>) m.getParameterTypes();
for (soot.Type type : paramTypes) {
addDependencyIfNeeded(clazz, type);
}
}
clazz.addDependencies(attributesEncoder.getDependencies());
clazz.addDependencies(trampolineDependencies);
clazz.addDependencies(catches);
for (Trampoline t : trampolines) {
if (!(t instanceof LdcString)) {
String desc = t.getTarget();
if (desc.charAt(0) == 'L' || desc.charAt(0) == '[') {
// Target is a descriptor
addDependencyIfNeeded(clazz, desc);
} else {
clazz.addDependency(t.getTarget());
}
}
if (t instanceof FieldAccessor) {
addDependencyIfNeeded(clazz, ((FieldAccessor) t).getFieldDesc());
} else if (t instanceof Invoke) {
String methodDesc = ((Invoke) t).getMethodDesc();
addDependencyIfNeeded(clazz, getReturnTypeDescriptor(methodDesc));
for (String desc : getParameterDescriptors(methodDesc)) {
addDependencyIfNeeded(clazz, desc);
}
}
}
clazz.saveDependencies();
}
public boolean DoAnalysis(boolean verbose) {
Stack<List<Set<SootClass>>> current_exception_sets = new Stack<List<Set<SootClass>>>();
{
List<Set<SootClass>> exception_sets = new ArrayList<Set<SootClass>>();
exception_sets.add(method_exception_set);
current_exception_sets.push(exception_sets);
}
PatchingChain<Unit> chain = body.getUnits();
Unit next = chain.getFirst();
int previous_class_count = method_exception_set.size();
for (Map.Entry<Unit, List<TwoValuePair<Trap, Set<SootClass>>>> entry :
trap_begin_exception_sets.entrySet()) {
for (TwoValuePair<Trap, Set<SootClass>> tvp : entry.getValue()) {
previous_class_count += tvp.w.size();
}
}
do {
if (trap_begin_exception_sets.containsKey(next)) {
List<TwoValuePair<Trap, Set<SootClass>>> tvps = trap_begin_exception_sets.get(next);
List<Set<SootClass>> sets_to_add = new ArrayList<Set<SootClass>>();
for (TwoValuePair<Trap, Set<SootClass>> tvp : tvps) {
sets_to_add.add(tvp.w);
}
current_exception_sets.push(sets_to_add);
}
if (next instanceof InvokeStmt || next instanceof AssignStmt) {
SootMethod callee = null;
if (next instanceof AssignStmt) {
if (((AssignStmt) next).getRightOp() instanceof InvokeExpr) {
callee = ((InvokeExpr) ((AssignStmt) next).getRightOp()).getMethod();
}
} else {
callee = ((InvokeStmt) next).getInvokeExpr().getMethod();
}
if (callee != null) { // invocation only
Collection<SootClass> exception_classes;
if (class_map.containsKey(callee.getDeclaringClass())) {
assert class_map.get(callee.getDeclaringClass()).method_analysis.containsKey(callee);
exception_classes =
class_map
.get(callee.getDeclaringClass())
.method_analysis
.get(callee)
.method_exception_set;
} else {
exception_classes = callee.getExceptions();
}
for (SootClass exception_class : exception_classes) {
for (Set<SootClass> current_exception_set : current_exception_sets.peek()) {
current_exception_set.add(exception_class);
}
}
}
} else if (next instanceof ThrowStmt) {
assert chain.getPredOf(next) instanceof JInvokeStmt;
assert ((JInvokeStmt) chain.getPredOf(next)).getInvokeExpr() instanceof SpecialInvokeExpr;
assert ((SpecialInvokeExpr) ((JInvokeStmt) chain.getPredOf(next)).getInvokeExpr()).getBase()
instanceof JimpleLocal;
assert ((JimpleLocal)
((SpecialInvokeExpr) ((JInvokeStmt) chain.getPredOf(next)).getInvokeExpr())
.getBase())
.getType()
instanceof RefType;
SootClass exception_class =
((RefType)
((JimpleLocal)
((SpecialInvokeExpr)
((JInvokeStmt) chain.getPredOf(next)).getInvokeExpr())
.getBase())
.getType())
.getSootClass();
for (Set<SootClass> current_exception_set : current_exception_sets.peek()) {
current_exception_set.add(exception_class);
}
}
if (trap_end_exception_sets.containsKey(next)) {
List<TwoValuePair<Trap, Set<SootClass>>> tvps = trap_end_exception_sets.get(next);
if (verbose) {
for (Set<SootClass> current_exception_set : current_exception_sets.peek()) {
if (current_exception_set.size() == 0) {
for (TwoValuePair<Trap, Set<SootClass>> tvp : tvps) {
if (!tvp.v.getException().getName().equals("java.lang.RuntimeException"))
System.out.println(
"Warning: In "
+ method.toString()
+ ": Unncessary exception handler for catching "
+ tvp.v.getException().getName());
}
}
}
}
for (TwoValuePair<Trap, Set<SootClass>> tvp : tvps) {
Iterator<SootClass> i = tvp.w.iterator();
while (i.hasNext()) {
SootClass exception_class = i.next();
if (tvp.v.getException()
== exception_class) { // getting properly caught by the handler.
i.remove();
} else {
SootClass super_exception_class = exception_class;
while (super_exception_class != null) {
if (tvp.v.getException() == super_exception_class) {
i.remove();
if (verbose
&& super_exception_class != exception_class
&& GetMostRestrictiveFormOfException(tvps, exception_class)
== tvp.v.getException()
&& !super_exception_class.getName().equals("java.lang.RuntimeException")) {
System.out.println(
"Warning: In "
+ method.toString()
+ ": attempting to catch "
+ exception_class.getName()
+ " with "
+ super_exception_class.getName()
+ " Consider catching the most restrictive exception class");
}
break;
}
try {
super_exception_class = super_exception_class.getSuperclass();
} catch (
RuntimeException
e) { // unfortunately soot doesn't have a specific exception class for "no
// superclass for java.lang.Object" exception
super_exception_class = null;
}
}
}
}
}
current_exception_sets.pop();
for (Set<SootClass> current_exception_set :
current_exception_sets
.peek()) { // This list iteration is not necessary if we are still making the
// assumption that there's only one unique set that contains exception
// classes if the range for traps are the same
for (TwoValuePair<Trap, Set<SootClass>> tvp : tvps) {
for (SootClass exception_class : tvp.w) {
current_exception_set.add(exception_class);
}
}
}
}
next = chain.getSuccOf(next);
} while (next != null);
int new_class_count = method_exception_set.size();
for (Map.Entry<Unit, List<TwoValuePair<Trap, Set<SootClass>>>> entry :
trap_begin_exception_sets.entrySet()) {
for (TwoValuePair<Trap, Set<SootClass>> tvp : entry.getValue()) {
new_class_count += tvp.w.size();
}
}
return new_class_count != previous_class_count;
}
/**
* Returns method in given class or first upwards superclass, or null if not found in any class
* (no interface checked)
*/
private static SootMethod getMethodInClassOrSuperclass(
SootClass cls, NumberedString subsignature) {
if (cls.declaresMethod(subsignature)) return cls.getMethod(subsignature);
if (cls.hasSuperclass()) return getMethodInClassOrSuperclass(cls.getSuperclass(), subsignature);
return null;
}
private StructureType getStructType(SootClass clazz, boolean checkEmpty) {
int n = 0;
for (SootMethod method : clazz.getMethods()) {
n = Math.max(getStructMemberOffset(method) + 1, n);
}
Type[] result = new Type[n + 1];
StructureType superType = null;
if (clazz.hasSuperclass()) {
SootClass superclass = clazz.getSuperclass();
if (!superclass.getName().equals("org.robovm.rt.bro.Struct")) {
superType = getStructType(superclass, false);
}
}
result[0] = superType != null ? superType : new StructureType();
for (SootMethod method : clazz.getMethods()) {
int offset = getStructMemberOffset(method);
if (offset != -1) {
if (!method.isNative() && !method.isStatic()) {
throw new IllegalArgumentException(
"@StructMember annotated method " + method + " must be native and not static");
}
Type type = null;
if (method.getParameterCount() == 0) {
soot.Type sootType = method.getReturnType();
// Possibly a getter
if (hasPointerAnnotation(method) && !sootType.equals(LongType.v())) {
throw new IllegalArgumentException(
"@StructMember("
+ offset
+ ") annotated getter "
+ method
+ " must be of type long when annotated with @Pointer");
}
if (hasMachineSizedFloatAnnotation(method)
&& !sootType.equals(DoubleType.v())
&& !sootType.equals(FloatType.v())) {
throw new IllegalArgumentException(
"@StructMember("
+ offset
+ ") annotated getter "
+ method
+ " must be of type float or double when annotated with @MachineSizedFloat");
}
if ((hasMachineSizedSIntAnnotation(method) || hasMachineSizedUIntAnnotation(method))
&& !sootType.equals(LongType.v())) {
throw new IllegalArgumentException(
"@StructMember("
+ offset
+ ") annotated getter "
+ method
+ " must be of type long when annotated with @MachineSizedSInt or @MachineSizedUInt");
}
if (sootType instanceof soot.ArrayType && !hasArrayAnnotation(method)) {
throw new IllegalArgumentException(
"@Array annotation expected on struct member getter " + method);
}
} else if (method.getParameterCount() == 1) {
soot.Type sootType = method.getParameterType(0);
if (hasPointerAnnotation(method, 0) && !sootType.equals(LongType.v())) {
throw new IllegalArgumentException(
"@StructMember("
+ offset
+ ") annotated setter "
+ method
+ " must be of type long when annotated with @Pointer");
}
if (hasMachineSizedFloatAnnotation(method, 0)
&& !sootType.equals(DoubleType.v())
&& !sootType.equals(FloatType.v())) {
throw new IllegalArgumentException(
"@StructMember("
+ offset
+ ") annotated setter "
+ method
+ " must be of type float or double when annotated with @MachineSizedFloat");
}
if ((hasMachineSizedSIntAnnotation(method, 0) || hasMachineSizedUIntAnnotation(method))
&& !sootType.equals(LongType.v())) {
throw new IllegalArgumentException(
"@StructMember("
+ offset
+ ") annotated setter "
+ method
+ " must be of type long when annotated with @MachineSizedSInt or @MachineSizedUInt");
}
if (sootType instanceof soot.ArrayType && !hasArrayAnnotation(method, 0)) {
throw new IllegalArgumentException(
"@Array annotation expected on first parameter of struct member setter " + method);
}
soot.Type retType = method.getReturnType();
// The return type of the setter must be void or this
if (!retType.equals(VoidType.v())
&& !(retType instanceof RefType
&& ((RefType) retType).getSootClass().equals(clazz))) {
throw new IllegalArgumentException(
"Setter "
+ method
+ " for "
+ "@StructMember("
+ offset
+ ") "
+ " must either return nothing or return a "
+ clazz);
}
} else {
throw new IllegalArgumentException(
"@StructMember annotated method " + method + " has too many parameters");
}
type = getStructMemberType(method);
int index = offset + 1;
if (result[index] == null) {
result[index] = type;
} else if (type != result[index]) {
// Two members mapped to the same offset (union). Pick
// the type with the largest alignment and pad with bytes
// up to the largest size.
result[index] = mergeStructMemberTypes(config.getDataLayout(), type, result[index]);
}
}
}
for (int i = 1; i < result.length; i++) {
if (result[i] == null) {
throw new IllegalArgumentException("No @StructMember(" + i + ") defined in class " + clazz);
}
}
if (!clazz.isAbstract() && checkEmpty && n == 0 && superType == null) {
throw new IllegalArgumentException(
"Struct class " + clazz + " has no @StructMember annotated methods");
}
return new StructureType(result);
}
public void printTo(SootClass cl, PrintWriter out) {
// IterableSet packagesUsed = new IterableSet();
IterableSet importList = new IterableSet();
{
String curPackage = cl.getJavaPackageName();
if (!curPackage.equals("")) {
out.println("package " + curPackage + ";");
out.println();
}
if (cl.hasSuperclass()) {
SootClass superClass = cl.getSuperclass();
importList.add(superClass.toString());
// packagesUsed.add(superClass.getJavaPackageName());
}
Iterator<SootClass> interfaceIt = cl.getInterfaces().iterator();
while (interfaceIt.hasNext()) {
String interfacePackage = ((SootClass) interfaceIt.next()).toString();
if (!importList.contains(interfacePackage)) importList.add(interfacePackage);
// if (!packagesUsed.contains(interfacePackage))
// packagesUsed.add(interfacePackage);
}
Iterator<SootMethod> methodIt = cl.methodIterator();
while (methodIt.hasNext()) {
SootMethod dm = (SootMethod) methodIt.next();
if (dm.hasActiveBody()) {
// packagesUsed = packagesUsed.union(((DavaBody) dm.getActiveBody()).get_PackagesUsed());
importList = importList.union(((DavaBody) dm.getActiveBody()).getImportList());
}
Iterator<SootClass> eit = dm.getExceptions().iterator();
while (eit.hasNext()) {
String thrownPackage = eit.next().toString();
if (!importList.contains(thrownPackage)) importList.add(thrownPackage);
// if (!packagesUsed.contains(thrownPackage))
// packagesUsed.add(thrownPackage);
}
Iterator<Type> pit = dm.getParameterTypes().iterator();
while (pit.hasNext()) {
Type t = (Type) pit.next();
if (t instanceof RefType) {
String paramPackage = ((RefType) t).getSootClass().toString();
if (!importList.contains(paramPackage)) importList.add(paramPackage);
// if (packagesUsed.contains(paramPackage) == false)
// packagesUsed.add(paramPackage);
}
}
Type t = dm.getReturnType();
if (t instanceof RefType) {
String returnPackage = ((RefType) t).getSootClass().toString();
if (!importList.contains(returnPackage)) importList.add(returnPackage);
// if (packagesUsed.contains(returnPackage) == false)
// packagesUsed.add(returnPackage);
}
}
Iterator<SootField> fieldIt = cl.getFields().iterator();
while (fieldIt.hasNext()) {
SootField f = (SootField) fieldIt.next();
if (f.isPhantom()) continue;
Type t = f.getType();
if (t instanceof RefType) {
String fieldPackage = ((RefType) t).getSootClass().toString();
if (!importList.contains(fieldPackage)) importList.add(fieldPackage);
}
}
Iterator<String> pit = importList.iterator();
List<String> toImport = new ArrayList<String>();
while (pit.hasNext()) {
/*
* dont import any file which has currentPackage.className
* dont import any file which starts with java.lang
*/
String temp = (String) pit.next();
// System.out.println("temp is "+temp);
if (temp.indexOf("java.lang") > -1) {
// problem is that we need to import sub packages java.lang.ref
// for instance if the type is java.lang.ref.WeakReference
String tempClassName = RemoveFullyQualifiedName.getClassName(temp);
if (temp.equals("java.lang." + tempClassName)) {
// System.out.println("temp was not printed as it belongs to java.lang");
continue;
}
}
if (curPackage.length() > 0 && temp.indexOf(curPackage) > -1) {
// System.out.println("here "+temp);
continue;
}
if (cl.toString().equals(temp)) continue;
// System.out.println("printing"+);
toImport.add(temp);
}
/*
* Check that we are not importing two classes with the same last name
* If yes then remove explicit import and import the whole package
* else output explicit import statement
*/
Iterator it = toImport.iterator();
while (it.hasNext()) {
String temp = (String) it.next();
if (RemoveFullyQualifiedName.containsMultiple(toImport.iterator(), temp, null)) {
// there are atleast two imports with this className
// import package add *
if (temp.lastIndexOf('.') > -1) {
temp = temp.substring(0, temp.lastIndexOf('.'));
out.println("import " + temp + ".*;");
} else throw new DecompilationException("Cant find the DOT . for fullyqualified name");
} else {
if (temp.lastIndexOf('.') == -1) {
// dot not found this is a class belonging to this package so dont add
} else out.println("import " + temp + ";");
}
}
boolean addNewLine = false;
addNewLine = true;
// out.println("import " + temp + ";");
if (addNewLine) out.println();
/*if (!packagesUsed.isEmpty())
out.println();
packagesUsed.add("java.lang");
packagesUsed.add(curPackage);
*/
Dava.v().set_CurrentPackageContext(importList);
// Dava.v().set_CurrentPackageContext(packagesUsed);
Dava.v().set_CurrentPackage(curPackage);
}
// Print class name + modifiers
{
String classPrefix = "";
classPrefix = classPrefix + " " + Modifier.toString(cl.getModifiers());
classPrefix = classPrefix.trim();
if (!cl.isInterface()) {
classPrefix = classPrefix + " class";
classPrefix = classPrefix.trim();
}
out.print(classPrefix + " " + cl.getShortJavaStyleName());
}
// Print extension
if (cl.hasSuperclass() && !(cl.getSuperclass().getName().equals("java.lang.Object"))) {
String superClassName = cl.getSuperclass().getName();
// Nomair Naeem 8th Feb 2006
// also check if the super class name is not a fully qualified
// name. in which case if the package is imported no need for
// the long name
superClassName =
RemoveFullyQualifiedName.getReducedName(importList, superClassName, cl.getType());
out.print(" extends " + superClassName + "");
}
// Print interfaces
{
Iterator<SootClass> interfaceIt = cl.getInterfaces().iterator();
if (interfaceIt.hasNext()) {
if (cl.isInterface()) out.print(" extends ");
else out.print(" implements ");
out.print("" + (interfaceIt.next()).getName() + "");
while (interfaceIt.hasNext()) out.print(", " + (interfaceIt.next()).getName() + "");
}
}
out.println();
out.println("{");
// Print fields
{
Iterator<SootField> fieldIt = cl.getFields().iterator();
if (fieldIt.hasNext()) {
while (fieldIt.hasNext()) {
SootField f = fieldIt.next();
if (f.isPhantom()) continue;
String declaration = null;
Type fieldType = f.getType();
String qualifiers = Modifier.toString(f.getModifiers()) + " ";
qualifiers +=
RemoveFullyQualifiedName.getReducedName(importList, fieldType.toString(), fieldType);
qualifiers = qualifiers.trim();
if (qualifiers.equals("")) declaration = Scene.v().quotedNameOf(f.getName());
else declaration = qualifiers + " " + Scene.v().quotedNameOf(f.getName()) + "";
if (f.isFinal() && f.isStatic()) {
if (fieldType instanceof DoubleType && f.hasTag("DoubleConstantValueTag")) {
double val =
((DoubleConstantValueTag) f.getTag("DoubleConstantValueTag")).getDoubleValue();
out.println(" " + declaration + " = " + val + ";");
} else if (fieldType instanceof FloatType && f.hasTag("FloatConstantValueTag")) {
float val =
((FloatConstantValueTag) f.getTag("FloatConstantValueTag")).getFloatValue();
out.println(" " + declaration + " = " + val + "f;");
} else if (fieldType instanceof LongType && f.hasTag("LongConstantValueTag")) {
long val = ((LongConstantValueTag) f.getTag("LongConstantValueTag")).getLongValue();
out.println(" " + declaration + " = " + val + "l;");
} else if (fieldType instanceof CharType && f.hasTag("IntegerConstantValueTag")) {
int val =
((IntegerConstantValueTag) f.getTag("IntegerConstantValueTag")).getIntValue();
out.println(" " + declaration + " = '" + ((char) val) + "';");
} else if (fieldType instanceof BooleanType && f.hasTag("IntegerConstantValueTag")) {
int val =
((IntegerConstantValueTag) f.getTag("IntegerConstantValueTag")).getIntValue();
if (val == 0) out.println(" " + declaration + " = false;");
else out.println(" " + declaration + " = true;");
} else if ((fieldType instanceof IntType
|| fieldType instanceof ByteType
|| fieldType instanceof ShortType)
&& f.hasTag("IntegerConstantValueTag")) {
int val =
((IntegerConstantValueTag) f.getTag("IntegerConstantValueTag")).getIntValue();
out.println(" " + declaration + " = " + val + ";");
} else if (f.hasTag("StringConstantValueTag")) {
String val =
((StringConstantValueTag) f.getTag("StringConstantValueTag")).getStringValue();
out.println(" " + declaration + " = \"" + val + "\";");
} else {
// System.out.println("Couldnt find type of
// field"+f.getDeclaration());
out.println(" " + declaration + ";");
}
} // field is static final
else {
out.println(" " + declaration + ";");
}
}
}
}
// Print methods
{
Iterator<SootMethod> methodIt = cl.methodIterator();
if (methodIt.hasNext()) {
if (cl.getMethodCount() != 0) out.println();
while (methodIt.hasNext()) {
SootMethod method = (SootMethod) methodIt.next();
if (method.isPhantom()) continue;
if (!Modifier.isAbstract(method.getModifiers())
&& !Modifier.isNative(method.getModifiers())) {
if (!method.hasActiveBody())
throw new RuntimeException("method " + method.getName() + " has no active body!");
else printTo(method.getActiveBody(), out);
if (methodIt.hasNext()) out.println();
} else {
// if method is abstract then print the declaration
out.print(" ");
out.print(method.getDavaDeclaration());
out.println(";");
if (methodIt.hasNext()) out.println();
}
}
}
}
/*
* January 23rd, 2006
* In trying to handle the suepr class problem we need to introduce an inner class
* Instead of creating a data structure for it we are right now just going to print it in the form
* of a string
*
* It would be interesting to later have an internal inner class structure so that we could
* decompile inner classes into inner classes
*/
if (G.v().SootClassNeedsDavaSuperHandlerClass.contains(cl)) {
out.println("\n private static class DavaSuperHandler{");
out.println(" java.util.Vector myVector = new java.util.Vector();");
out.println("\n public Object get(int pos){");
out.println(" return myVector.elementAt(pos);");
out.println(" }");
out.println("\n public void store(Object obj){");
out.println(" myVector.add(obj);");
out.println(" }");
out.println(" }");
}
out.println("}");
}