#define class(cls) cls##_object *
#define create(cls) ((class(cls)) malloc(sizeof(cls##_object)))
#define subclass(cls) cls##_class cls;
#define classdef(cls, sub...) \
typedef struct cls##_class cls##_class; \
typedef struct { \
	sub \
	cls##_class cls; \
} cls##_object; \
struct cls##_class

classdef(BaseObject) {
	uint32 refcount;
};

#define incref(object) do { ++object.BaseObject.refcount; } while(0)
#define decref(object) do { --object.BaseObject.refcount; } while(0)

classdef(TestObject, subclass(BaseObject)) {
	uint32 test;
};

int main(int argc, char **argv) {
	class(TestObject) foo = create(TestObject);
	foo.TestObject.test = 5;
	printf("%i\n", foo.TestObject.test);
	printf("%i\n", foo.BaseObject.refcount);
}