Object* rvmAllocateObject(Env* env, Class* clazz) {
if (CLASS_IS_ABSTRACT(clazz) || CLASS_IS_INTERFACE(clazz)) {
// TODO: Message
rvmThrowNew(env, java_lang_InstantiationException, "");
return NULL;
}
rvmInitialize(env, clazz);
if (rvmExceptionOccurred(env)) return NULL;
Object* obj = rvmAllocateMemoryForObject(env, clazz);
if (!obj) return NULL;
obj->clazz = clazz;
return obj;
}
/**
* Allocate an object and execute the constructor.
*
* @param cname the name of the class to be instantiated (may be 0 if cc is != 0)
* @param loader the class loader that's to be used to lookup the class
* @param cc the class to be instantiated (may be 0 if cname is != 0)
* @param signature the signature of the constructor to be executed
* @param argptr arguments to be passed to the constructor
*
* @throws InstantiationException if class is an interface or abstract
* @throws NoSuchMethodError if the specified constructor cannot be found
*
* @return the newly allocated object
*/
Hjava_lang_Object*
execute_java_constructor_v(const char* cname, Hjava_lang_ClassLoader* loader,
Hjava_lang_Class* cc, const char* signature, va_list argptr)
{
Hjava_lang_Object* obj;
Method* mb;
jvalue retval;
errorInfo info;
Utf8Const* sig;
if (cc == 0) {
char *buf;
/* Convert "." to "/" and lookup class */
buf = checkPtr(KMALLOC(strlen(cname) + 1));
classname2pathname(cname, buf);
cc = lookupClass(buf, loader, &info);
KFREE(buf);
if (!cc) {
throwError(&info);
}
}
/* We cannot construct interfaces or abstract classes */
if (CLASS_IS_INTERFACE(cc) || CLASS_IS_ABSTRACT(cc)) {
throwException(InstantiationException(cc->name->data));
}
if (cc->state < CSTATE_USABLE) {
if (processClass(cc, CSTATE_COMPLETE, &info) == false) {
throwError(&info);
}
}
sig = checkPtr(utf8ConstFromString(signature));
mb = findMethodLocal(cc, constructor_name, sig);
utf8ConstRelease(sig);
if (mb == 0) {
throwException(NoSuchMethodError(constructor_name->data));
}
obj = newObject(cc);
assert(obj != 0);
/* Make the call */
KaffeVM_callMethodV(mb, METHOD_NATIVECODE(mb), obj, argptr, &retval);
return (obj);
}
