#if !defined(_RTTI_UTILS_H_)

#define _RTTI_UTILS_H_ 1

#define RTTI_GET_METHOD(result, obj, intf, method)                             \
    do {                                                                       \
        typeinfo_t* type_ = NULL;                                              \
        meta_obj_t* obj_  = NULL;                                              \
                                                                               \
        (result) = NULL;                                                       \
                                                                               \
        if ((obj) == NULL) {                                                   \
            break;                                                             \
        }                                                                      \
                                                                               \
        obj_ = DATA_TO_OBJ(obj);                                               \
                                                                               \
        type_ = obj_->type;                                                    \
        if (type_ == NULL) {                                                   \
            break;                                                             \
        }                                                                      \
                                                                               \
        if (type_->interfaces.intf == NULL) {                                  \
            break;                                                             \
        }                                                                      \
                                                                               \
        (result) = type_->interfaces.intf->method;                             \
    } while (0)

#endif