4 #include "eo_private.h"
8 typedef size_t Eo_Class_Id;
10 /* Used inside the class_get functions of classes, see #EO_DEFINE_CLASS */
11 EAPI Eina_Lock _eo_class_creation_lock;
14 static Eo_Class **_eo_classes;
15 static Eo_Class_Id _eo_classes_last_id;
16 static Eina_Bool _eo_init_count = 0;
18 static void _eo_constructor(Eo *obj, const Eo_Class *klass);
19 static void _eo_destructor(Eo *obj, const Eo_Class *klass);
20 static inline Eina_Bool _eo_error_get(const Eo *obj);
21 static inline void _eo_error_unset(Eo *obj);
22 static inline void *_eo_data_get(const Eo *obj, const Eo_Class *klass);
23 static inline Eo *_eo_ref(Eo *obj);
24 static inline void _eo_unref(Eo *obj);
29 const Eo_Class **kls_itr;
35 const Eo_Class *klass;
41 Eina_List *composite_objects;
46 Eina_Bool construct_error:1;
50 /* Dich search, split to 0xff 0xff 0xffff */
52 #define DICH_CHAIN1_MASK (0xffff)
53 #define DICH_CHAIN_LAST_MASK (0xffff)
54 #define DICH_CHAIN1(x) (((x) >> 16) & DICH_CHAIN1_MASK)
55 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
57 #define OP_CLASS_OFFSET 16
58 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
59 #define OP_CLASS_GET(op) ({ \
60 Eo_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
63 #define OP_SUB_ID_GET(op) ((op) & 0xffff)
65 #define ID_CLASS_GET(id) ({ \
66 (Eo_Class *) ((id <= _eo_classes_last_id) && (id > 0)) ? \
67 (_eo_classes[id - 1]) : NULL; \
70 #define EO_ALIGN_SIZE(size) \
71 ((size) + (sizeof(void *) - ((size) % sizeof(void *))))
73 /* Structure of Eo_Op is:
78 typedef struct _Dich_Chain1 Dich_Chain1;
94 const Eo_Class *klass;
99 const Eo_Class *klass;
101 } Eo_Extension_Data_Offset;
106 Eo_Class_Id class_id;
107 const Eo_Class *parent;
108 const Eo_Class_Description *desc;
109 Dich_Chain1 *chain; /**< The size is class_id */
110 Eina_Inlist *extensions;
112 Eo_Extension_Data_Offset *extn_data_off;
113 size_t extn_data_size;
115 const Eo_Class **mro;
117 size_t data_offset; /* < Offset of the data within object data. */
119 Eina_Bool constructed : 1;
123 _dich_chain_alloc(Dich_Chain1 *chain1, size_t num_ops)
127 chain1->funcs = calloc(num_ops, sizeof(*(chain1->funcs)));
132 _dich_copy_all(Eo_Class *dst, const Eo_Class *src)
134 if (!src->chain) return;
138 dst->chain = calloc(dst->class_id, sizeof(*dst->chain));
142 const Dich_Chain1 *sc1 = src->chain;
143 Dich_Chain1 *dc1 = dst->chain;
144 for (i = 0 ; i < src->class_id ; i++, sc1++, dc1++)
149 const Eo_Class *op_klass = ID_CLASS_GET(i + 1);
150 size_t num_ops = op_klass->desc->ops.count;
151 _dich_chain_alloc(dc1, num_ops);
153 const op_type_funcs *sf = sc1->funcs;
154 op_type_funcs *df = dc1->funcs;
155 for (j = 0 ; j < num_ops ; j++, df++, sf++)
159 memcpy(df, sf, sizeof(*df));
166 static inline const op_type_funcs *
167 _dich_func_get(const Eo_Class *klass, Eo_Op op)
169 if (!klass->chain) return NULL;
171 size_t idx1 = DICH_CHAIN1(op) - 1;
172 if (idx1 >= klass->class_id) return NULL;
173 const Dich_Chain1 *chain1 = &klass->chain[idx1];
174 if (!chain1->funcs) return NULL;
176 size_t idxl = DICH_CHAIN_LAST(op);
177 /* num_ops is calculated from the class. */
178 const Eo_Class *op_klass = ID_CLASS_GET(idx1 + 1);
179 if (!op_klass || (idxl >= op_klass->desc->ops.count))
182 return &chain1->funcs[idxl];
186 _dich_func_set(Eo_Class *klass, Eo_Op op, eo_op_func_type func)
188 const Eo_Class *op_klass = OP_CLASS_GET(op);
191 /* Verify op is valid. */
194 /* num_ops is calculated from the class. */
195 num_ops = op_klass->desc->ops.count;
196 if (DICH_CHAIN_LAST(op) >= num_ops)
198 ERR("OP %x is too big for the domain '%s', expected value < %x.",
199 op, op_klass->desc->name, op_klass->desc->ops.count);
205 ERR("OP %x is from an illegal class.", op);
211 klass->chain = calloc(klass->class_id, sizeof(*klass->chain));
214 size_t idx1 = DICH_CHAIN1(op) - 1;
215 Dich_Chain1 *chain1 = &klass->chain[idx1];
216 _dich_chain_alloc(chain1, num_ops);
217 chain1->funcs[DICH_CHAIN_LAST(op)].func = func;
218 chain1->funcs[DICH_CHAIN_LAST(op)].src = klass;
222 _dich_func_clean_all(Eo_Class *klass)
225 Dich_Chain1 *chain1 = klass->chain;
230 for (i = 0 ; i < klass->class_id ; i++, chain1++)
241 static const Eo_Op_Description noop_desc =
242 EO_OP_DESCRIPTION(EO_NOOP, "", "No operation.");
244 static const Eo_Op_Description *
245 _eo_op_id_desc_get(Eo_Op op)
247 const Eo_Class *klass = OP_CLASS_GET(op);
248 Eo_Op sub_id = OP_SUB_ID_GET(op);
253 if (klass && (sub_id < klass->desc->ops.count))
254 return klass->desc->ops.descs + sub_id;
260 _eo_op_id_name_get(Eo_Op op)
262 const Eo_Op_Description *desc = _eo_op_id_desc_get(op);
263 return (desc) ? desc->name : NULL;
267 _eo_kls_itr_init(Eo *obj, Eo_Op op, Eo_Kls_Itr *prev_state)
269 prev_state->op = obj->mro_itr.op;
270 prev_state->kls_itr = obj->mro_itr.kls_itr;
272 /* If we are in a constructor/destructor or we changed an op - init. */
273 if ((op == EO_NOOP) || (obj->mro_itr.op != op))
275 obj->mro_itr.op = op;
276 obj->mro_itr.kls_itr = obj->klass->mro;
281 _eo_kls_itr_end(Eo *obj, Eo_Kls_Itr *prev_state)
283 if (obj->mro_itr.op != prev_state->op)
285 obj->mro_itr.op = prev_state->op;
286 obj->mro_itr.kls_itr = prev_state->kls_itr;
290 static inline const Eo_Class *
291 _eo_kls_itr_get(Eo *obj)
293 return (obj->mro_itr.kls_itr) ? *(obj->mro_itr.kls_itr) : NULL;
296 static inline const Eo_Class *
297 _eo_kls_itr_next(Eo *obj, Eo_Op op)
299 if (obj->mro_itr.op != op)
301 Eo_Op node_op = obj->mro_itr.op;
302 ERR("Called with op %d ('%s') while expecting: %d ('%s'). This probaly means you called eo_*_super functions from a wrong place.",
303 op, _eo_op_id_name_get(op),
304 node_op, _eo_op_id_name_get(node_op));
308 const Eo_Class **kls_itr = obj->mro_itr.kls_itr;
313 const op_type_funcs *fsrc = _dich_func_get(*kls_itr, op);
315 while (*kls_itr && (*(kls_itr++) != fsrc->src))
323 obj->mro_itr.kls_itr = kls_itr;
332 static inline Eina_Bool
333 _eo_kls_itr_reached_end(const Eo *obj)
335 const Eo_Class **kls_itr = obj->mro_itr.kls_itr;
336 return !(*kls_itr && *(kls_itr + 1));
340 _eo_op_internal(Eo *obj, Eina_Bool constant, Eo_Op op, va_list *p_list)
342 const Eo_Class *klass;
343 Eina_Bool ret = EINA_FALSE;
345 const Eo_Op_Description *op_desc = _eo_op_id_desc_get(op);
348 ((constant == EINA_TRUE) && (op_desc->constant == EINA_FALSE)))
350 ERR("Tried calling non-const or non-existant op '%s' (%d) from a const (query) function.", (op_desc) ? op_desc->name : NULL, op);
354 Eo_Kls_Itr prev_state;
355 _eo_kls_itr_init(obj, op, &prev_state);
356 klass = _eo_kls_itr_get(obj);
359 const op_type_funcs *func = _dich_func_get(klass, op);
361 if (func && func->func)
363 func->func(obj, _eo_data_get(obj, func->src), p_list);
369 /* Try composite objects */
373 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
375 if (_eo_op_internal(emb_obj, constant, op, p_list))
384 _eo_kls_itr_end(obj, &prev_state);
389 eo_do_internal(Eo *obj, Eina_Bool constant, ...)
391 Eina_Bool ret = EINA_TRUE;
395 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
399 va_start(p_list, constant);
401 op = va_arg(p_list, Eo_Op);
404 if (!_eo_op_internal(obj, constant, op, &p_list))
406 const Eo_Class *op_klass = OP_CLASS_GET(op);
407 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
408 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
409 op, _eo_op_id_name_get(op), _dom_name,
410 obj->klass->desc->name);
414 op = va_arg(p_list, Eo_Op);
424 eo_do_super_internal(Eo *obj, Eina_Bool constant, Eo_Op op, ...)
426 const Eo_Class *obj_klass;
427 Eina_Bool ret = EINA_TRUE;
429 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
431 /* Advance the kls itr. */
432 obj_klass = _eo_kls_itr_next(obj, op);
434 if (obj->mro_itr.op != op)
437 va_start(p_list, op);
438 if (!_eo_op_internal(obj, constant, op, &p_list))
440 const Eo_Class *op_klass = OP_CLASS_GET(op);
441 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
442 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
443 op, _eo_op_id_name_get(op), _dom_name,
444 (obj_klass) ? obj_klass->desc->name : NULL);
452 EAPI const Eo_Class *
453 eo_class_get(const Eo *obj)
455 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
461 eo_class_name_get(const Eo_Class *klass)
463 EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, NULL);
465 return klass->desc->name;
469 _eo_class_base_op_init(Eo_Class *klass)
471 const Eo_Class_Description *desc = klass->desc;
472 if (!desc || !desc->ops.base_op_id)
475 /* FIXME: Depends on values defined above! */
476 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
481 _eo_class_mro_has(const Eo_Class *klass, const Eo_Class *find)
483 const Eo_Class **itr;
484 for (itr = klass->mro ; *itr ; itr++)
497 _eo_class_mro_add(Eina_List *mro, const Eo_Class *klass)
499 Eina_List *extn_pos = NULL;
500 Eina_Bool check_consistency = !mro;
504 mro = eina_list_append(mro, klass);
506 /* Recursively add extenions. */
508 Eo_Extension_Node *extn;
509 EINA_INLIST_FOREACH(klass->extensions, extn)
511 mro = _eo_class_mro_add(mro, extn->klass);
512 /* Not possible: if (!mro) return NULL; */
514 if (check_consistency)
516 extn_pos = eina_list_append(extn_pos, eina_list_last(mro));
521 /* Check if we can create a consistent mro. We only do it for the class
522 * we are working on (i.e no parents). */
523 if (check_consistency)
525 Eo_Extension_Node *extn;
527 Eina_List *itr = extn_pos;
528 EINA_INLIST_FOREACH(klass->extensions, extn)
530 /* Get the first one after the extension. */
531 Eina_List *extn_list = eina_list_next(eina_list_data_get(itr));
533 /* If we found the extension again. */
534 if (eina_list_data_find_list(extn_list, extn->klass))
537 ERR("Cannot create a consistent method resolution order for class '%s' because of '%s'.", klass->desc->name, extn->klass->desc->name);
541 itr = eina_list_next(itr);
546 mro = _eo_class_mro_add(mro, klass->parent);
552 _eo_class_mro_init(Eo_Class *klass)
554 Eina_List *mro = NULL;
556 DBG("Started creating MRO for class '%s'", klass->desc->name);
557 mro = _eo_class_mro_add(mro, klass);
562 /* Remove duplicates and make them the right order. */
564 Eina_List *itr1, *itr2, *itr2n;
566 itr1 = eina_list_last(mro);
569 itr2 = eina_list_prev(itr1);
573 itr2n = eina_list_prev(itr2);
575 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
577 mro = eina_list_remove_list(mro, itr2);
583 itr1 = eina_list_prev(itr1);
587 /* Copy the mro and free the list. */
589 const Eo_Class *kls_itr;
590 const Eo_Class **mro_itr;
591 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
593 mro_itr = klass->mro;
595 EINA_LIST_FREE(mro, kls_itr)
597 *(mro_itr++) = kls_itr;
599 DBG("Added '%s' to MRO", kls_itr->desc->name);
604 DBG("Finished creating MRO for class '%s'", klass->desc->name);
610 _eo_class_constructor(Eo_Class *klass)
612 if (klass->constructed)
615 klass->constructed = EINA_TRUE;
617 if (klass->desc->class_constructor)
618 klass->desc->class_constructor(klass);
622 eo_class_funcs_set(Eo_Class *klass, const Eo_Op_Func_Description *func_descs)
624 EO_MAGIC_RETURN(klass, EO_CLASS_EINA_MAGIC);
626 const Eo_Op_Func_Description *itr;
630 for ( ; itr->op != 0 ; itr++)
632 const Eo_Op_Description *op_desc = _eo_op_id_desc_get(itr->op);
634 if (EINA_LIKELY(!op_desc || (itr->constant == op_desc->constant)))
636 _dich_func_set(klass, itr->op, itr->func);
640 ERR("Set function's constant property (%d) is different than the one in the op description (%d) for op '%s' in class '%s'.", itr->constant, op_desc->constant, op_desc->name, klass->desc->name);
647 eo_class_free(Eo_Class *klass)
649 if (klass->constructed)
651 if (klass->desc->class_destructor)
652 klass->desc->class_destructor(klass);
654 _dich_func_clean_all(klass);
659 Eo_Extension_Node *extn = NULL;
660 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
669 if (klass->extn_data_off)
670 free(klass->extn_data_off);
677 _eo_class_check_op_descs(const Eo_Class *klass)
679 const Eo_Class_Description *desc = klass->desc;
680 const Eo_Op_Description *itr;
683 if (desc->ops.count > 0)
685 if (!desc->ops.base_op_id)
687 ERR("Class '%s' has a non-zero ops count, but base_id is NULL.",
692 if (!desc->ops.descs)
694 ERR("Class '%s' has a non-zero ops count, but there are no descs.",
700 itr = desc->ops.descs;
701 for (i = 0 ; i < desc->ops.count ; i++, itr++)
703 if (itr->sub_op != i)
707 ERR("Wrong order in Ops description for class '%s'. Expected %d and got %d", desc->name, i, itr->sub_op);
711 ERR("Found too few Ops description for class '%s'. Expected %d descriptions, but found %d.", desc->name, desc->ops.count, i);
717 if (itr && itr->name)
719 ERR("Found extra Ops description for class '%s'. Expected %d descriptions, but found more.", desc->name, desc->ops.count);
726 EAPI const Eo_Class *
727 eo_class_new(const Eo_Class_Description *desc, const Eo_Class *parent, ...)
732 if (parent && !EINA_MAGIC_CHECK(parent, EO_CLASS_EINA_MAGIC))
734 EINA_MAGIC_FAIL(parent, EO_CLASS_EINA_MAGIC);
738 va_start(p_list, parent);
740 EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
741 EINA_SAFETY_ON_NULL_RETURN_VAL(desc->name, NULL);
743 /* Check restrictions on Interface types. */
744 if (desc->type == EO_CLASS_TYPE_INTERFACE)
746 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->constructor, NULL);
747 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->destructor, NULL);
748 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->class_constructor, NULL);
749 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->class_destructor, NULL);
750 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->data_size, NULL);
753 klass = calloc(1, sizeof(Eo_Class));
754 klass->parent = parent;
756 /* Handle class extensions */
758 Eo_Class *extn = NULL;
760 extn = va_arg(p_list, Eo_Class *);
763 switch (extn->desc->type)
765 case EO_CLASS_TYPE_REGULAR:
766 case EO_CLASS_TYPE_REGULAR_NO_INSTANT:
767 /* Use it like an interface. */
768 case EO_CLASS_TYPE_INTERFACE:
770 case EO_CLASS_TYPE_MIXIN:
772 Eo_Extension_Node *node = calloc(1, sizeof(*node));
775 eina_inlist_append(klass->extensions,
776 EINA_INLIST_GET(node));
781 extn = va_arg(p_list, Eo_Class *);
787 /* Handle the inheritance */
790 /* Verify the inheritance is allowed. */
791 switch (klass->desc->type)
793 case EO_CLASS_TYPE_REGULAR:
794 case EO_CLASS_TYPE_REGULAR_NO_INSTANT:
795 if ((klass->parent->desc->type != EO_CLASS_TYPE_REGULAR) &&
796 (klass->parent->desc->type != EO_CLASS_TYPE_REGULAR_NO_INSTANT))
798 ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
802 case EO_CLASS_TYPE_INTERFACE:
803 case EO_CLASS_TYPE_MIXIN:
804 if ((klass->parent->desc->type != EO_CLASS_TYPE_INTERFACE) &&
805 (klass->parent->desc->type != EO_CLASS_TYPE_MIXIN))
807 ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
814 /* Update the current offset. */
815 /* FIXME: Make sure this alignment is enough. */
816 klass->data_offset = klass->parent->data_offset +
817 EO_ALIGN_SIZE(klass->parent->desc->data_size);
820 if (!_eo_class_check_op_descs(klass))
825 if (!_eo_class_mro_init(klass))
830 /* create MIXIN offset table. */
832 const Eo_Class **mro_itr = klass->mro;
833 Eo_Extension_Data_Offset *extn_data_itr;
835 size_t extn_data_off = klass->data_offset +
836 EO_ALIGN_SIZE(klass->desc->data_size);
838 /* FIXME: Make faster... */
841 if (((*mro_itr)->desc->type == EO_CLASS_TYPE_MIXIN) &&
842 ((*mro_itr)->desc->data_size > 0))
849 klass->extn_data_off = calloc(extn_num + 1,
850 sizeof(*klass->extn_data_off));
852 extn_data_itr = klass->extn_data_off;
853 mro_itr = klass->mro;
856 if (((*mro_itr)->desc->type == EO_CLASS_TYPE_MIXIN) &&
857 ((*mro_itr)->desc->data_size > 0))
859 extn_data_itr->klass = *mro_itr;
860 extn_data_itr->offset = extn_data_off;
862 extn_data_off += EO_ALIGN_SIZE(extn_data_itr->klass->desc->data_size);
868 klass->extn_data_size = extn_data_off;
871 eina_lock_take(&_eo_class_creation_lock);
872 klass->class_id = ++_eo_classes_last_id;
874 /* FIXME: Handle errors. */
876 tmp = realloc(_eo_classes, _eo_classes_last_id * sizeof(*_eo_classes));
878 _eo_classes[klass->class_id - 1] = klass;
880 eina_lock_release(&_eo_class_creation_lock);
882 EINA_MAGIC_SET(klass, EO_CLASS_EINA_MAGIC);
884 /* Flatten the function array */
886 const Eo_Class **mro_itr = klass->mro;
887 for ( ; *mro_itr ; mro_itr++)
890 for ( mro_itr-- ; mro_itr >= klass->mro ; mro_itr--)
892 _dich_copy_all(klass, *mro_itr);
896 _eo_class_base_op_init(klass);
898 _eo_class_constructor(klass);
905 eo_class_free(klass);
910 eo_add(const Eo_Class *klass, Eo *parent)
912 EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, NULL);
914 if (parent) EO_MAGIC_RETURN_VAL(parent, EO_EINA_MAGIC, NULL);
916 if (EINA_UNLIKELY(klass->desc->type != EO_CLASS_TYPE_REGULAR))
918 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
922 Eo *obj = calloc(1, EO_ALIGN_SIZE(sizeof(*obj)) +
923 (klass->data_offset + EO_ALIGN_SIZE(klass->desc->data_size)) +
924 klass->extn_data_size);
926 obj->parent = parent;
930 Eo_Kls_Itr prev_state;
932 _eo_kls_itr_init(obj, EO_NOOP, &prev_state);
933 _eo_error_unset(obj);
935 EINA_MAGIC_SET(obj, EO_EINA_MAGIC);
937 _eo_constructor(obj, klass);
939 if (EINA_UNLIKELY(_eo_error_get(obj)))
941 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
945 if (EINA_UNLIKELY(!_eo_kls_itr_reached_end(obj)))
947 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
950 _eo_kls_itr_end(obj, &prev_state);
956 _eo_kls_itr_end(obj, &prev_state);
957 /* Unref twice, once for the ref above, and once for the basic object ref. */
972 eo_xref_internal(Eo *obj, const Eo *ref_obj, const char *file, int line)
974 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, obj);
979 Eo_Xref_Node *xref = calloc(1, sizeof(*xref));
980 xref->ref_obj = ref_obj;
984 /* FIXME: Make it sorted. */
985 obj->xrefs = eina_inlist_prepend(obj->xrefs, EINA_INLIST_GET(xref));
996 eo_xunref(Eo *obj, const Eo *ref_obj)
998 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1000 Eo_Xref_Node *xref = NULL;
1001 EINA_INLIST_FOREACH(obj->xrefs, xref)
1003 if (xref->ref_obj == ref_obj)
1009 obj->xrefs = eina_inlist_remove(obj->xrefs, EINA_INLIST_GET(xref));
1014 ERR("ref_obj (%p) does not reference obj (%p). Aborting unref.", ref_obj, obj);
1031 eo_ref(const Eo *_obj)
1033 Eo *obj = (Eo *) _obj;
1034 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, obj);
1036 return _eo_ref(obj);
1040 _eo_del_internal(Eo *obj)
1044 /* We need that for the event callbacks that may ref/unref. */
1047 eo_do(obj, eo_event_callback_call(EO_EV_DEL, NULL, NULL));
1048 obj->del = EINA_TRUE;
1050 const Eo_Class *klass = eo_class_get(obj);
1051 Eo_Kls_Itr prev_state;
1053 _eo_kls_itr_init(obj, EO_NOOP, &prev_state);
1054 _eo_error_unset(obj);
1055 _eo_destructor(obj, klass);
1056 if (_eo_error_get(obj))
1058 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
1061 if (!_eo_kls_itr_reached_end(obj))
1063 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
1065 _eo_kls_itr_end(obj, &prev_state);
1066 /*FIXME: add eo_class_unref(klass) ? - just to clear the caches. */
1068 Eina_List *itr, *itr_n;
1070 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
1072 eo_composite_object_detach(obj, emb_obj);
1081 if (--(obj->refcount) == 0)
1083 _eo_del_internal(obj);
1086 /* If for some reason it's not empty, clear it. */
1089 WRN("obj->xrefs is not empty, possibly a bug, please report. - An error will be reported for each xref in the stack.");
1090 Eina_Inlist *nitr = obj->xrefs->next;
1091 free(EINA_INLIST_CONTAINER_GET(obj->xrefs, Eo_Xref_Node));
1096 EINA_MAGIC_SET(obj, EO_DELETED_EINA_MAGIC);
1102 eo_unref(const Eo *_obj)
1104 Eo *obj = (Eo *) _obj;
1105 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1111 eo_ref_get(const Eo *obj)
1113 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, 0);
1115 return obj->refcount;
1121 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1123 _eo_del_internal(obj);
1128 eo_parent_get(const Eo *obj)
1130 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, NULL);
1136 eo_error_set_internal(const Eo *obj, const char *file, int line)
1138 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1140 ERR("Error with obj '%p' at %s:%d", obj, file, line);
1142 ((Eo *) obj)->construct_error = EINA_TRUE;
1146 _eo_error_unset(Eo *obj)
1148 obj->construct_error = EINA_FALSE;
1153 * @brief Check if there was an error when constructing, destructing or calling a function of the object.
1154 * @param obj the object to work on.
1155 * @return @c EINA_TRUE if there was an error.
1157 static inline Eina_Bool
1158 _eo_error_get(const Eo *obj)
1160 return obj->construct_error;
1164 _eo_constructor_default(Eo *obj)
1166 eo_constructor_super(obj);
1170 _eo_destructor_default(Eo *obj)
1172 eo_destructor_super(obj);
1176 _eo_constructor(Eo *obj, const Eo_Class *klass)
1181 if (klass->desc->constructor)
1182 klass->desc->constructor(obj, _eo_data_get(obj, klass));
1184 _eo_constructor_default(obj);
1188 _eo_destructor(Eo *obj, const Eo_Class *klass)
1193 if (klass->desc->destructor)
1194 klass->desc->destructor(obj, _eo_data_get(obj, klass));
1196 _eo_destructor_default(obj);
1200 eo_constructor_super(Eo *obj)
1202 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1204 _eo_constructor(obj, _eo_kls_itr_next(obj, EO_NOOP));
1208 eo_destructor_super(Eo *obj)
1210 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1212 _eo_destructor(obj, _eo_kls_itr_next(obj, EO_NOOP));
1215 static inline void *
1216 _eo_data_get(const Eo *obj, const Eo_Class *klass)
1218 if (EINA_LIKELY(klass->desc->data_size > 0))
1220 if (EINA_UNLIKELY(klass->desc->type == EO_CLASS_TYPE_MIXIN))
1222 Eo_Extension_Data_Offset *doff_itr =
1223 eo_class_get(obj)->extn_data_off;
1228 while (doff_itr->klass)
1230 if (doff_itr->klass == klass)
1231 return ((char *) obj) + EO_ALIGN_SIZE(sizeof(*obj)) +
1238 return ((char *) obj) + EO_ALIGN_SIZE(sizeof(*obj)) +
1247 eo_data_get(const Eo *obj, const Eo_Class *klass)
1250 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, NULL);
1253 if (!_eo_class_mro_has(obj->klass, klass))
1255 ERR("Tried getting data of class '%s' from object of class '%s', but the former is not a direct inheritance of the latter.", klass->desc->name, obj->klass->desc->name);
1260 ret = _eo_data_get(obj, klass);
1262 if (!ret && (klass->desc->data_size == 0))
1264 ERR("Tried getting data of class '%s', but it has none..", klass->desc->name);
1273 const char *log_dom = "eo";
1274 if (_eo_init_count++ > 0)
1280 _eo_classes_last_id = 0;
1281 _eo_log_dom = eina_log_domain_register(log_dom, EINA_COLOR_LIGHTBLUE);
1282 if (_eo_log_dom < 0)
1284 EINA_LOG_ERR("Could not register log domain: %s", log_dom);
1288 if (!eina_lock_new(&_eo_class_creation_lock))
1290 EINA_LOG_ERR("Could not init lock.");
1294 eina_magic_string_static_set(EO_EINA_MAGIC, EO_EINA_MAGIC_STR);
1295 eina_magic_string_static_set(EO_DELETED_EINA_MAGIC,
1296 EO_DELETED_EINA_MAGIC_STR);
1297 eina_magic_string_static_set(EO_CLASS_EINA_MAGIC,
1298 EO_CLASS_EINA_MAGIC_STR);
1307 Eo_Class **cls_itr = _eo_classes;
1309 if (--_eo_init_count > 0)
1312 for (i = 0 ; i < _eo_classes_last_id ; i++, cls_itr++)
1315 eo_class_free(*cls_itr);
1321 eina_lock_free(&_eo_class_creation_lock);
1323 eina_log_domain_unregister(_eo_log_dom);
1331 eo_composite_object_attach(Eo *obj, Eo *emb_obj)
1333 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1334 EO_MAGIC_RETURN(emb_obj, EO_EINA_MAGIC);
1336 eo_xref(emb_obj, obj);
1337 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
1341 eo_composite_object_detach(Eo *obj, Eo *emb_obj)
1343 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1344 EO_MAGIC_RETURN(emb_obj, EO_EINA_MAGIC);
1346 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
1347 eo_xunref(emb_obj, obj);
1351 eo_composite_is(Eo *emb_obj)
1353 if (!EINA_MAGIC_CHECK(emb_obj, EO_EINA_MAGIC))
1355 EINA_MAGIC_FAIL(emb_obj, EO_EINA_MAGIC);
1359 Eo *obj = eo_parent_get(emb_obj);
1366 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)