/*
* Verify that "obj" is non-null and is an instance of "clazz".
* Used to implement reflection on fields and methods.
*
* Returns "false" and throws an exception if not.
*/
bool dvmVerifyObjectInClass(Object* obj, ClassObject* clazz) {
ClassObject* exceptionClass = NULL;
if (obj == NULL) {
exceptionClass = gDvm.exNullPointerException;
} else if (!dvmInstanceof(obj->clazz, clazz)) {
exceptionClass = gDvm.exIllegalArgumentException;
}
if (exceptionClass == NULL) {
return true;
}
std::string expectedClassName(dvmHumanReadableDescriptor(clazz->descriptor));
std::string actualClassName(dvmHumanReadableType(obj));
dvmThrowExceptionFmt(exceptionClass, "expected receiver of type %s, but got %s",
expectedClassName.c_str(), actualClassName.c_str());
return false;
}
static void throwArgumentTypeMismatch(int argIndex, ClassObject* expected, DataObject* arg) {
std::string expectedClassName(dvmHumanReadableDescriptor(expected->descriptor));
std::string actualClassName = dvmHumanReadableType(arg);
dvmThrowExceptionFmt(gDvm.exIllegalArgumentException, "argument %d should have type %s, got %s",
argIndex + 1, expectedClassName.c_str(), actualClassName.c_str());
}
