5 static int _eobj_log_dom = -1;
7 static Eobj_Class **_eobj_classes;
8 static Eobj_Class_Id _eobj_classes_last_id;
9 static Eina_Bool _eobj_init_count = 0;
11 #define CONSTRUCT_ERROR_KEY "__construct_error"
13 static void _eobj_callback_remove_all(Eobj *obj);
14 static void _eobj_generic_data_del_all(Eobj *obj);
15 static void eobj_class_constructor(Eobj *obj, const Eobj_Class *klass);
16 static void eobj_class_destructor(Eobj *obj, const Eobj_Class *klass);
21 #define CRITICAL(...) EINA_LOG_DOM_CRIT(_eobj_log_dom, __VA_ARGS__)
26 #define ERR(...) EINA_LOG_DOM_ERR(_eobj_log_dom, __VA_ARGS__)
31 #define WRN(...) EINA_LOG_DOM_WARN(_eobj_log_dom, __VA_ARGS__)
36 #define INF(...) EINA_LOG_DOM_INFO(_eobj_log_dom, __VA_ARGS__)
41 #define DBG(...) EINA_LOG_DOM_DBG(_eobj_log_dom, __VA_ARGS__)
43 typedef struct _Eobj_Callback_Description Eobj_Callback_Description;
47 const Eobj_Class *klass;
51 Eina_List *composite_objects;
53 Eina_Inlist *callbacks;
56 Eina_Inlist *generic_data;
58 const Eobj_Class *kls_itr;
65 /* Dich search, split to 0xff 0xff 0xffff */
67 #define DICH_CHAIN1_MASK (0xff)
68 #define DICH_CHAIN2_MASK (0xff)
69 #define DICH_CHAIN_LAST_MASK (0xffff)
70 #define DICH_CHAIN1_SIZE (DICH_CHAIN1_MASK + 1)
71 #define DICH_CHAIN2_SIZE (DICH_CHAIN2_MASK + 1)
72 #define DICH_CHAIN_LAST_SIZE (DICH_CHAIN_LAST_MASK + 1)
73 #define DICH_CHAIN1(x) (((x) >> 24) & DICH_CHAIN1_MASK)
74 #define DICH_CHAIN2(x) (((x) >> 16) & DICH_CHAIN2_MASK)
75 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
77 #define OP_CLASS_OFFSET 16
78 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
79 #define OP_CLASS_GET(op) ({ \
80 Eobj_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
81 (Eobj_Class *) ((tmp <= _eobj_classes_last_id) && (tmp > 0)) ? \
82 (_eobj_classes[tmp - 1]) : NULL; \
85 /* Structure of Eobj_Op is:
90 typedef struct _Dich_Chain1 Dich_Chain1;
94 eobj_op_func_type func;
110 const Eobj_Class *klass;
111 Eina_Bool exists : 1; /* < True if already exists in class (incl parents). */
112 } Eobj_Extension_Node;
116 Eobj_Class_Id class_id;
117 const Eobj_Class *parent;
118 const Eobj_Class_Description *desc;
119 Dich_Chain1 chain[DICH_CHAIN1_SIZE];
120 Eina_Inlist *extensions;
121 Eina_Bool constructed : 1;
124 static inline eobj_op_func_type
125 dich_func_get(const Eobj_Class *klass, Eobj_Op op)
127 const Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
128 if (!chain1) return NULL;
129 if (!chain1->chain) return NULL;
130 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
131 if (!chain2) return NULL;
132 if (!chain2->funcs) return NULL;
134 /* num_ops is calculated from the class. */
135 const Eobj_Class *op_klass = OP_CLASS_GET(op);
136 if (!op_klass || (DICH_CHAIN_LAST(op) >= op_klass->desc->ops.count))
139 return chain2->funcs[DICH_CHAIN_LAST(op)].func;
143 dich_func_set(Eobj_Class *klass, Eobj_Op op, eobj_op_func_type func)
145 const Eobj_Class *op_klass = OP_CLASS_GET(op);
148 /* Verify op is valid. */
151 /* num_ops is calculated from the class. */
152 num_ops = op_klass->desc->ops.count;
153 if (DICH_CHAIN_LAST(op) >= num_ops)
155 ERR("OP %x is too big for the domain '%s', expected value < %x.",
156 op, op_klass->desc->name, op_klass->desc->ops.count);
161 ERR("OP %x is from an illegal class.", op);
165 Dich_Chain1 *chain1 = &klass->chain[DICH_CHAIN1(op)];
168 klass->chain[DICH_CHAIN1(op)].chain =
170 calloc(DICH_CHAIN2_SIZE, sizeof(*(chain1->chain)));
173 Dich_Chain2 *chain2 = &chain1->chain[DICH_CHAIN2(op)];
176 chain2->funcs = chain1->chain[DICH_CHAIN2(op)].funcs =
177 calloc(num_ops, sizeof(*(chain2->funcs)));
180 chain2->funcs[DICH_CHAIN_LAST(op)].func = func;
184 dich_func_clean_all(Eobj_Class *klass)
187 Dich_Chain1 *chain1 = klass->chain;
189 for (i = 0 ; i < DICH_CHAIN1_SIZE ; i++, chain1++)
192 Dich_Chain2 *chain2 = chain1->chain;
197 for (j = 0 ; j < DICH_CHAIN2_SIZE ; j++, chain2++)
202 chain1->chain = NULL;
208 /* FIXME: Decide if it should be fast, and if so, add a mapping.
209 * Otherwise, this is very slow. But since it's only for debugging... */
210 static const Eobj_Op_Description *
211 _eobj_op_id_desc_get(Eobj_Op op)
214 Eobj_Class **cls_itr = _eobj_classes;
216 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
220 const Eobj_Op_Description *desc = (*cls_itr)->desc->ops.descs;
224 Eobj_Op base_op_id = *(*cls_itr)->desc->ops.base_op_id;
227 if ((base_op_id + desc->sub_op) == op)
238 _eobj_op_internal(Eobj *obj, const Eobj_Class *obj_klass, Eobj_Op op, va_list *p_list)
240 const Eobj_Class *klass = obj_klass;
241 eobj_op_func_type func;
248 func = dich_func_get(klass, op);
252 func(obj, op, p_list);
257 klass = klass->parent;
264 /* FIXME: Should probably flatten everything. to be faster. */
267 Eobj_Extension_Node *itr;
268 EINA_INLIST_FOREACH(klass->extensions, itr)
270 if (_eobj_op_internal(obj, itr->klass, op, p_list))
277 /* Try composite objects */
281 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
283 if (_eobj_op_internal(emb_obj, eobj_class_get(emb_obj), op, p_list))
290 /* If haven't found anything, return FALSE */
297 static inline Eina_Bool
298 _eobj_ops_internal(Eobj *obj, const Eobj_Class *obj_klass, va_list *p_list)
300 Eina_Bool ret = EINA_TRUE;
303 op = va_arg(*p_list, Eobj_Op);
306 if (!_eobj_op_internal(obj, obj_klass, op, p_list))
308 const Eobj_Op_Description *desc = _eobj_op_id_desc_get(op);
309 const char *_id_name = (desc) ? desc->name : NULL;
310 const Eobj_Class *op_klass = OP_CLASS_GET(op);
311 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
312 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
313 op, _id_name, _dom_name,
314 obj_klass->desc->name);
318 op = va_arg(*p_list, Eobj_Op);
325 eobj_do_internal(Eobj *obj, ...)
329 va_start(p_list, obj);
330 ret = _eobj_ops_internal(obj, eobj_class_get(obj), &p_list);
336 eobj_class_do_internal(Eobj *obj, const Eobj_Class *klass, ...)
340 va_start(p_list, klass);
341 ret = _eobj_ops_internal(obj, klass, &p_list);
346 EAPI const Eobj_Class *
347 eobj_class_get(Eobj *obj)
352 EAPI const Eobj_Class *
353 eobj_class_parent_get(const Eobj_Class *klass)
355 return klass->parent;
359 eobj_class_name_get(const Eobj_Class *klass)
361 return klass->desc->name;
365 _eobj_class_base_op_init(Eobj_Class *klass)
367 const Eobj_Class_Description *desc = klass->desc;
368 if (!desc || !desc->ops.base_op_id)
371 /* FIXME: Depends on values defined above! */
372 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
376 _eobj_class_constructor(Eobj_Class *klass)
378 if (klass->constructed)
381 klass->constructed = EINA_TRUE;
383 if (!klass->desc->class_constructor)
386 klass->desc->class_constructor(klass);
390 eobj_class_funcs_set(Eobj_Class *klass, const Eobj_Op_Func_Description *func_descs)
392 const Eobj_Op_Func_Description *itr;
396 for ( ; itr->op != 0 ; itr++)
398 dich_func_set(klass, itr->op, itr->func);
404 _eobj_class_extn_exists(const Eobj_Class *klass, const Eobj_Class *extn_cls)
408 Eobj_Extension_Node *extn;
409 EINA_INLIST_FOREACH(klass->extensions, extn)
411 if (extn->klass == extn_cls)
415 klass = klass->parent;
422 eobj_class_new(const Eobj_Class_Description *desc, const Eobj_Class *parent, ...)
427 va_start(p_list, parent);
429 #define _CLS_NEW_CHECK(x) \
434 ERR("%s can't be NULL! Aborting.", #x); \
440 _CLS_NEW_CHECK(desc);
441 _CLS_NEW_CHECK(desc->name);
442 _CLS_NEW_CHECK(desc->constructor);
443 _CLS_NEW_CHECK(desc->destructor);
445 klass = calloc(1, sizeof(Eobj_Class));
446 klass->parent = parent;
447 klass->class_id = ++_eobj_classes_last_id;
449 /* FIXME: Handle errors. */
451 tmp = realloc(_eobj_classes, _eobj_classes_last_id * sizeof(*_eobj_classes));
453 _eobj_classes[klass->class_id - 1] = klass;
456 /* Handle class extensions */
458 Eobj_Class *extn = NULL;
460 extn = va_arg(p_list, Eobj_Class *);
463 switch (extn->desc->type)
465 case EOBJ_CLASS_TYPE_REGULAR:
466 case EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT:
467 /* Use it like an interface. */
468 case EOBJ_CLASS_TYPE_INTERFACE:
470 case EOBJ_CLASS_TYPE_MIXIN:
472 Eobj_Extension_Node *node = calloc(1, sizeof(*node));
474 node->exists = _eobj_class_extn_exists(klass, extn);
476 eina_inlist_append(klass->extensions,
477 EINA_INLIST_GET(node));
482 extn = va_arg(p_list, Eobj_Class *);
487 _eobj_class_base_op_init(klass);
489 /* FIXME: Shouldn't be called here - should be called from eobj_add. */
490 _eobj_class_constructor(klass);
496 #undef _CLS_NEW_CHECK
499 eobj_class_free(Eobj_Class *klass)
501 if (klass->constructed)
503 if (klass->desc->class_destructor)
504 klass->desc->class_destructor(klass);
506 dich_func_clean_all(klass);
511 Eobj_Extension_Node *extn;
512 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
522 _eobj_class_count_parents(const Eobj_Class *klass)
526 for (count = 0 ; klass->parent ; klass = klass->parent)
533 eobj_add(const Eobj_Class *klass, Eobj *parent)
535 if (klass->desc->type != EOBJ_CLASS_TYPE_REGULAR)
537 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
541 Eobj *obj = calloc(1, sizeof(*obj));
543 obj->parent = parent;
547 size_t datas_count = 0;
550 const Eobj_Class *kls_itr;
552 datas_count = _eobj_class_count_parents(klass) + 1;
554 obj->datas = calloc(datas_count, sizeof(*(obj->datas)));
556 /* Calculate all the offsets and set in the datas array. */
557 pvt_itr = obj->datas + datas_count - 1;
558 for (kls_itr = klass ; kls_itr->parent ; kls_itr = kls_itr->parent)
560 *pvt_itr = (void *) offset;
562 /* FIXME: Make sure this alignment is enough. */
563 offset += kls_itr->desc->private_size +
565 (kls_itr->desc->private_size % sizeof(void *)));
569 /* Allocate the datas blob and update the offsets. */
570 obj->data_blob = calloc(1, offset);
572 pvt_itr = obj->datas;
573 for (i = 0 ; i < datas_count ; i++)
575 *pvt_itr = ((char *) obj->data_blob) + (intptr_t) *pvt_itr;
581 eobj_class_constructor(obj, klass);
582 if (obj->kls_itr && obj->kls_itr->parent)
584 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
588 if (eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY))
590 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
609 eobj_unref(Eobj *obj)
611 if (--(obj->refcount) == 0)
613 const Eobj_Class *klass = eobj_class_get(obj);
614 eobj_class_destructor(obj, klass);
615 /*FIXME: add eobj_class_unref(klass) ? - just to clear the caches. */
617 Eina_List *itr, *itr_n;
619 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
622 obj->composite_objects =
623 eina_list_remove_list(obj->composite_objects, itr);
626 _eobj_callback_remove_all(obj);
629 free(obj->data_blob);
632 _eobj_generic_data_del_all(obj);
641 obj->delete = EINA_TRUE;
646 eobj_parent_get(Eobj *obj)
652 eobj_constructor_error_set(Eobj *obj)
654 eobj_generic_data_set(obj, CONSTRUCT_ERROR_KEY, (void *) EINA_TRUE);
658 eobj_constructor_error_get(const Eobj *obj)
660 return (intptr_t) eobj_generic_data_get(obj, CONSTRUCT_ERROR_KEY);
664 eobj_class_constructor(Eobj *obj, const Eobj_Class *klass)
666 const Eobj_Extension_Node *extn;
668 obj->kls_itr = klass;
673 EINA_INLIST_FOREACH(klass->extensions, extn)
675 /* Only call if it's the first one in the class. */
676 if (!extn->exists && extn->klass->desc->constructor)
677 extn->klass->desc->constructor(obj);
680 klass->desc->constructor(obj);
684 eobj_class_destructor(Eobj *obj, const Eobj_Class *klass)
686 const Eobj_Extension_Node *extn;
688 obj->kls_itr = klass;
693 klass->desc->destructor(obj);
695 EINA_INLIST_REVERSE_FOREACH(klass->extensions, extn)
697 /* Only call if it's the first one in the class. */
698 if (!extn->exists && extn->klass->desc->destructor)
699 extn->klass->desc->destructor(obj);
705 eobj_constructor_super(Eobj *obj)
707 if (obj->kls_itr->parent)
708 eobj_class_constructor(obj, obj->kls_itr->parent);
712 eobj_destructor_super(Eobj *obj)
714 if (obj->kls_itr->parent)
715 eobj_class_destructor(obj, obj->kls_itr->parent);
719 eobj_data_get(Eobj *obj, const Eobj_Class *klass)
721 /* FIXME: Add a check that this is of the right klass and we don't seg.
722 * Probably just return NULL. */
723 return obj->datas[_eobj_class_count_parents(klass)];
729 Eina_Stringshare *key;
731 } Eobj_Generic_Data_Node;
734 _eobj_generic_data_node_free(Eobj_Generic_Data_Node *node)
736 eina_stringshare_del(node->key);
741 _eobj_generic_data_del_all(Eobj *obj)
744 Eobj_Generic_Data_Node *node;
746 EINA_INLIST_FOREACH_SAFE(obj->generic_data, nnode, node)
748 obj->generic_data = eina_inlist_remove(obj->generic_data,
749 EINA_INLIST_GET(node));
751 _eobj_generic_data_node_free(node);
756 eobj_generic_data_set(Eobj *obj, const char *key, const void *data)
759 Eobj_Generic_Data_Node *node;
761 if (!key) return NULL;
762 if (!data) return NULL;
764 prev_data = eobj_generic_data_del(obj, key);
766 node = malloc(sizeof(Eobj_Generic_Data_Node));
767 node->key = eina_stringshare_add(key);
768 node->data = (void *) data;
769 obj->generic_data = eina_inlist_prepend(obj->generic_data,
770 EINA_INLIST_GET(node));
776 eobj_generic_data_get(const Eobj *obj, const char *key)
778 Eobj_Generic_Data_Node *node;
780 if (!key) return NULL;
782 EINA_INLIST_FOREACH(obj->generic_data, node)
784 if (!strcmp(node->key, key))
786 ((Eobj *) obj)->generic_data =
787 eina_inlist_promote(obj->generic_data, EINA_INLIST_GET(node));
795 eobj_generic_data_del(Eobj *obj, const char *key)
797 Eobj_Generic_Data_Node *node;
799 if (!key) return NULL;
801 EINA_INLIST_FOREACH(obj->generic_data, node)
803 if (!strcmp(node->key, key))
808 obj->generic_data = eina_inlist_remove(obj->generic_data,
809 EINA_INLIST_GET(node));
810 _eobj_generic_data_node_free(node);
820 if (_eobj_init_count++ > 0)
825 _eobj_classes = NULL;
826 _eobj_classes_last_id = 0;
827 _eobj_log_dom = eina_log_domain_register("eobj", EINA_COLOR_LIGHTBLUE);
828 if (_eobj_log_dom < 0)
830 EINA_LOG_ERR("Could not register log domain: eobj");
841 Eobj_Class **cls_itr = _eobj_classes;
843 if (--_eobj_init_count > 0)
846 for (i = 0 ; i < _eobj_classes_last_id ; i++, cls_itr++)
849 eobj_class_free(*cls_itr);
855 eina_log_domain_unregister(_eobj_log_dom);
863 eobj_composite_object_attach(Eobj *obj, Eobj *emb_obj)
866 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
870 eobj_composite_object_detach(Eobj *obj, Eobj *emb_obj)
872 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
877 eobj_composite_is(Eobj *emb_obj)
879 Eobj *obj = eobj_parent_get(emb_obj);
882 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)
892 struct _Eobj_Callback_Description
895 const Eobj_Event_Description *event;
898 Eobj_Callback_Priority priority;
899 Eina_Bool delete_me : 1;
902 /* Actually remove, doesn't care about walking list, or delete_me */
904 _eobj_callback_remove(Eobj *obj, Eobj_Callback_Description *cb)
906 obj->callbacks = eina_inlist_remove(obj->callbacks,
907 EINA_INLIST_GET(cb));
911 /* Actually remove, doesn't care about walking list, or delete_me */
913 _eobj_callback_remove_all(Eobj *obj)
916 Eobj_Callback_Description *cb;
917 EINA_INLIST_FOREACH_SAFE(obj->callbacks, initr, cb)
919 _eobj_callback_remove(obj, cb);
924 _eobj_callbacks_clear(Eobj *obj)
927 Eobj_Callback_Description *cb;
929 /* Abort if we are currently walking the list. */
930 if (obj->walking_list > 0)
933 EINA_INLIST_FOREACH_SAFE(obj->callbacks, itn, cb)
937 _eobj_callback_remove(obj, cb);
943 _callback_priority_cmp(const void *_a, const void *_b)
945 const Eobj_Callback_Description *a, *b;
946 a = (const Eobj_Callback_Description *) _a;
947 b = (const Eobj_Callback_Description *) _b;
948 if (a->priority < b->priority)
955 eobj_event_callback_add(Eobj *obj,
956 const Eobj_Event_Description *desc,
960 return eobj_event_callback_priority_add(obj, desc,
961 EOBJ_CALLBACK_PRIORITY_DEFAULT, cb, data);
965 eobj_event_callback_priority_add(Eobj *obj,
966 const Eobj_Event_Description *desc,
967 Eobj_Callback_Priority priority,
971 Eobj_Callback_Description *cb = calloc(1, sizeof(*cb));
974 cb->func_data = (void *) data;
975 cb->priority = priority;
976 obj->callbacks = eina_inlist_sorted_insert(obj->callbacks,
977 EINA_INLIST_GET(cb), _callback_priority_cmp);
979 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_ADD, desc);
985 eobj_event_callback_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func)
988 Eobj_Callback_Description *cb;
989 EINA_INLIST_FOREACH(obj->callbacks, cb)
991 if ((cb->event == desc) && (cb->func == func))
995 data = cb->func_data;
996 cb->delete_me = EINA_TRUE;
997 _eobj_callbacks_clear(obj);
1004 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1009 eobj_event_callback_del_full(Eobj *obj, const Eobj_Event_Description *desc, Eobj_Event_Cb func, const void *user_data)
1012 Eobj_Callback_Description *cb;
1013 EINA_INLIST_FOREACH(obj->callbacks, cb)
1015 if ((cb->event == desc) && (cb->func == func) &&
1016 (cb->func_data == user_data))
1020 data = cb->func_data;
1021 cb->delete_me = EINA_TRUE;
1022 _eobj_callbacks_clear(obj);
1029 eobj_event_callback_call(obj, EOBJ_SIG_CALLBACK_DEL, desc);
1034 eobj_event_callback_call(Eobj *obj, const Eobj_Event_Description *desc,
1035 const void *event_info)
1037 Eobj_Callback_Description *cb;
1039 obj->walking_list++;
1041 EINA_INLIST_FOREACH(obj->callbacks, cb)
1043 if (!cb->delete_me && (cb->event == desc))
1045 /* Abort callback calling if the func says so. */
1046 if (!cb->func((void *) cb->func_data, obj, desc,
1047 (void *) event_info))
1055 obj->walking_list--;
1056 _eobj_callbacks_clear(obj);
1062 _eobj_event_forwarder_callback(void *data, Eobj *obj, const Eobj_Event_Description *desc, void *event_info)
1065 Eobj *new_obj = (Eobj *) data;
1066 return eobj_event_callback_call(new_obj, desc, event_info);
1069 /* FIXME: Change default priority? Maybe call later? */
1071 eobj_event_callback_forwarder_add(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1073 return eobj_event_callback_add(obj, desc, _eobj_event_forwarder_callback, new_obj);
1077 eobj_event_callback_forwarder_del(Eobj *obj, const Eobj_Event_Description *desc, Eobj *new_obj)
1079 eobj_event_callback_del_full(obj, desc, _eobj_event_forwarder_callback, new_obj);
1083 /* EOBJ_CLASS_BASE stuff */
1084 static Eobj_Class *_my_class = NULL;
1086 /* FIXME: Set proper type descriptions. */
1087 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_ADD =
1088 EOBJ_EVENT_DESCRIPTION("callback,add", "?", "Called when a callback was added.");
1089 EAPI const Eobj_Event_Description _EOBJ_SIG_CALLBACK_DEL =
1090 EOBJ_EVENT_DESCRIPTION("callback,del", "?", "Called when a callback was deleted.");
1093 _constructor(Eobj *obj)
1095 DBG("%p - %s.", obj, _my_class->desc->name);
1099 _destructor(Eobj *obj)
1101 DBG("%p - %s.", obj, _my_class->desc->name);
1104 EAPI const Eobj_Class *
1105 eobj_base_class_get(void)
1107 if (_my_class) return _my_class;
1109 static const Eobj_Class_Description class_desc = {
1111 EOBJ_CLASS_TYPE_REGULAR_NO_INSTANT,
1112 EOBJ_CLASS_DESCRIPTION_OPS(NULL, NULL, 0),
1121 return _my_class = eobj_class_new(&class_desc, NULL, NULL);