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 void eo_constructor_error_unset(Eo *obj);
21 static inline void *_eo_data_get(const Eo *obj, const Eo_Class *klass);
22 static inline Eo *_eo_ref(Eo *obj);
23 static inline void _eo_unref(Eo *obj);
28 const Eo_Class **kls_itr;
34 const Eo_Class *klass;
40 Eina_List *composite_objects;
45 Eina_Bool construct_error:1;
49 /* Dich search, split to 0xff 0xff 0xffff */
51 #define DICH_CHAIN1_MASK (0xffff)
52 #define DICH_CHAIN_LAST_MASK (0xffff)
53 #define DICH_CHAIN1(x) (((x) >> 16) & DICH_CHAIN1_MASK)
54 #define DICH_CHAIN_LAST(x) ((x) & DICH_CHAIN_LAST_MASK)
56 #define OP_CLASS_OFFSET 16
57 #define OP_CLASS_OFFSET_GET(x) (((x) >> OP_CLASS_OFFSET) & 0xffff)
58 #define OP_CLASS_GET(op) ({ \
59 Eo_Class_Id tmp = OP_CLASS_OFFSET_GET(op); \
62 #define OP_SUB_ID_GET(op) ((op) & 0xffff)
64 #define ID_CLASS_GET(id) ({ \
65 (Eo_Class *) ((id <= _eo_classes_last_id) && (id > 0)) ? \
66 (_eo_classes[id - 1]) : NULL; \
69 #define EO_ALIGN_SIZE(size) \
70 ((size) + (sizeof(void *) - ((size) % sizeof(void *))))
72 /* Structure of Eo_Op is:
77 typedef struct _Dich_Chain1 Dich_Chain1;
93 const Eo_Class *klass;
98 const Eo_Class *klass;
100 } Eo_Extension_Data_Offset;
105 Eo_Class_Id class_id;
106 const Eo_Class *parent;
107 const Eo_Class_Description *desc;
108 Dich_Chain1 *chain; /**< The size is class_id */
109 Eina_Inlist *extensions;
111 Eo_Extension_Data_Offset *extn_data_off;
112 size_t extn_data_size;
114 const Eo_Class **mro;
116 size_t data_offset; /* < Offset of the data within object data. */
118 Eina_Bool constructed : 1;
122 _dich_chain_alloc(Dich_Chain1 *chain1, size_t num_ops)
126 chain1->funcs = calloc(num_ops, sizeof(*(chain1->funcs)));
131 _dich_copy_all(Eo_Class *dst, const Eo_Class *src)
133 if (!src->chain) return;
137 dst->chain = calloc(dst->class_id, sizeof(*dst->chain));
141 const Dich_Chain1 *sc1 = src->chain;
142 Dich_Chain1 *dc1 = dst->chain;
143 for (i = 0 ; i < src->class_id ; i++, sc1++, dc1++)
148 const Eo_Class *op_klass = ID_CLASS_GET(i + 1);
149 size_t num_ops = op_klass->desc->ops.count;
150 _dich_chain_alloc(dc1, num_ops);
152 const op_type_funcs *sf = sc1->funcs;
153 op_type_funcs *df = dc1->funcs;
154 for (j = 0 ; j < num_ops ; j++, df++, sf++)
158 memcpy(df, sf, sizeof(*df));
165 static inline const op_type_funcs *
166 _dich_func_get(const Eo_Class *klass, Eo_Op op)
168 if (!klass->chain) return NULL;
170 size_t idx1 = DICH_CHAIN1(op) - 1;
171 if (idx1 >= klass->class_id) return NULL;
172 const Dich_Chain1 *chain1 = &klass->chain[idx1];
173 if (!chain1->funcs) return NULL;
175 size_t idxl = DICH_CHAIN_LAST(op);
176 /* num_ops is calculated from the class. */
177 const Eo_Class *op_klass = ID_CLASS_GET(idx1 + 1);
178 if (!op_klass || (idxl >= op_klass->desc->ops.count))
181 return &chain1->funcs[idxl];
185 _dich_func_set(Eo_Class *klass, Eo_Op op, eo_op_func_type func)
187 const Eo_Class *op_klass = OP_CLASS_GET(op);
190 /* Verify op is valid. */
193 /* num_ops is calculated from the class. */
194 num_ops = op_klass->desc->ops.count;
195 if (DICH_CHAIN_LAST(op) >= num_ops)
197 ERR("OP %x is too big for the domain '%s', expected value < %x.",
198 op, op_klass->desc->name, op_klass->desc->ops.count);
204 ERR("OP %x is from an illegal class.", op);
210 klass->chain = calloc(klass->class_id, sizeof(*klass->chain));
213 size_t idx1 = DICH_CHAIN1(op) - 1;
214 Dich_Chain1 *chain1 = &klass->chain[idx1];
215 _dich_chain_alloc(chain1, num_ops);
216 chain1->funcs[DICH_CHAIN_LAST(op)].func = func;
217 chain1->funcs[DICH_CHAIN_LAST(op)].src = klass;
221 _dich_func_clean_all(Eo_Class *klass)
224 Dich_Chain1 *chain1 = klass->chain;
229 for (i = 0 ; i < klass->class_id ; i++, chain1++)
240 static const Eo_Op_Description noop_desc =
241 EO_OP_DESCRIPTION(EO_NOOP, "", "No operation.");
243 static const Eo_Op_Description *
244 _eo_op_id_desc_get(Eo_Op op)
246 const Eo_Class *klass = OP_CLASS_GET(op);
247 Eo_Op sub_id = OP_SUB_ID_GET(op);
252 if (klass && (sub_id < klass->desc->ops.count))
253 return klass->desc->ops.descs + sub_id;
259 _eo_op_id_name_get(Eo_Op op)
261 const Eo_Op_Description *desc = _eo_op_id_desc_get(op);
262 return (desc) ? desc->name : NULL;
266 _eo_kls_itr_init(Eo *obj, Eo_Op op, Eo_Kls_Itr *prev_state)
268 prev_state->op = obj->mro_itr.op;
269 prev_state->kls_itr = obj->mro_itr.kls_itr;
271 /* If we are in a constructor/destructor or we changed an op - init. */
272 if ((op == EO_NOOP) || (obj->mro_itr.op != op))
274 obj->mro_itr.op = op;
275 obj->mro_itr.kls_itr = obj->klass->mro;
280 _eo_kls_itr_end(Eo *obj, Eo_Kls_Itr *prev_state)
282 if (obj->mro_itr.op != prev_state->op)
284 obj->mro_itr.op = prev_state->op;
285 obj->mro_itr.kls_itr = prev_state->kls_itr;
289 static inline const Eo_Class *
290 _eo_kls_itr_get(Eo *obj)
292 return (obj->mro_itr.kls_itr) ? *(obj->mro_itr.kls_itr) : NULL;
295 static inline const Eo_Class *
296 _eo_kls_itr_next(Eo *obj, Eo_Op op)
298 if (obj->mro_itr.op != op)
300 Eo_Op node_op = obj->mro_itr.op;
301 ERR("Called with op %d ('%s') while expecting: %d ('%s'). This probaly means you called eo_*_super functions from a wrong place.",
302 op, _eo_op_id_name_get(op),
303 node_op, _eo_op_id_name_get(node_op));
307 const Eo_Class **kls_itr = obj->mro_itr.kls_itr;
312 const op_type_funcs *fsrc = _dich_func_get(*kls_itr, op);
314 while (*kls_itr && (*(kls_itr++) != fsrc->src))
322 obj->mro_itr.kls_itr = kls_itr;
331 static inline Eina_Bool
332 _eo_kls_itr_reached_end(const Eo *obj)
334 const Eo_Class **kls_itr = obj->mro_itr.kls_itr;
335 return !(*kls_itr && *(kls_itr + 1));
339 _eo_op_internal(Eo *obj, Eina_Bool constant, Eo_Op op, va_list *p_list)
341 const Eo_Class *klass;
342 Eina_Bool ret = EINA_FALSE;
344 const Eo_Op_Description *op_desc = _eo_op_id_desc_get(op);
347 ((constant == EINA_TRUE) && (op_desc->constant == EINA_FALSE)))
349 ERR("Tried calling non-const or non-existant op '%s' (%d) from a const (query) function.", (op_desc) ? op_desc->name : NULL, op);
353 Eo_Kls_Itr prev_state;
354 _eo_kls_itr_init(obj, op, &prev_state);
355 klass = _eo_kls_itr_get(obj);
358 const op_type_funcs *func = _dich_func_get(klass, op);
360 if (func && func->func)
362 func->func(obj, _eo_data_get(obj, func->src), p_list);
368 /* Try composite objects */
372 EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
374 if (_eo_op_internal(emb_obj, constant, op, p_list))
383 _eo_kls_itr_end(obj, &prev_state);
388 eo_do_internal(Eo *obj, Eina_Bool constant, ...)
390 Eina_Bool ret = EINA_TRUE;
394 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
398 va_start(p_list, constant);
400 op = va_arg(p_list, Eo_Op);
403 if (!_eo_op_internal(obj, constant, op, &p_list))
405 const Eo_Class *op_klass = OP_CLASS_GET(op);
406 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
407 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
408 op, _eo_op_id_name_get(op), _dom_name,
409 obj->klass->desc->name);
413 op = va_arg(p_list, Eo_Op);
423 eo_do_super_internal(Eo *obj, Eina_Bool constant, Eo_Op op, ...)
425 const Eo_Class *obj_klass;
426 Eina_Bool ret = EINA_TRUE;
428 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
430 /* Advance the kls itr. */
431 obj_klass = _eo_kls_itr_next(obj, op);
433 if (obj->mro_itr.op != op)
436 va_start(p_list, op);
437 if (!_eo_op_internal(obj, constant, op, &p_list))
439 const Eo_Class *op_klass = OP_CLASS_GET(op);
440 const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL;
441 ERR("Can't find func for op %x ('%s' of domain '%s') for class '%s'. Aborting.",
442 op, _eo_op_id_name_get(op), _dom_name,
443 (obj_klass) ? obj_klass->desc->name : NULL);
451 EAPI const Eo_Class *
452 eo_class_get(const Eo *obj)
454 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
460 eo_class_name_get(const Eo_Class *klass)
462 EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, NULL);
464 return klass->desc->name;
468 _eo_class_base_op_init(Eo_Class *klass)
470 const Eo_Class_Description *desc = klass->desc;
471 if (!desc || !desc->ops.base_op_id)
474 /* FIXME: Depends on values defined above! */
475 *(desc->ops.base_op_id) = klass->class_id << OP_CLASS_OFFSET;
480 _eo_class_mro_has(const Eo_Class *klass, const Eo_Class *find)
482 const Eo_Class **itr;
483 for (itr = klass->mro ; *itr ; itr++)
496 _eo_class_mro_add(Eina_List *mro, const Eo_Class *klass)
498 Eina_List *extn_pos = NULL;
499 Eina_Bool check_consistency = !mro;
503 mro = eina_list_append(mro, klass);
505 /* Recursively add extenions. */
507 Eo_Extension_Node *extn;
508 EINA_INLIST_FOREACH(klass->extensions, extn)
510 mro = _eo_class_mro_add(mro, extn->klass);
511 /* Not possible: if (!mro) return NULL; */
513 if (check_consistency)
515 extn_pos = eina_list_append(extn_pos, eina_list_last(mro));
520 /* Check if we can create a consistent mro. We only do it for the class
521 * we are working on (i.e no parents). */
522 if (check_consistency)
524 Eo_Extension_Node *extn;
526 Eina_List *itr = extn_pos;
527 EINA_INLIST_FOREACH(klass->extensions, extn)
529 /* Get the first one after the extension. */
530 Eina_List *extn_list = eina_list_next(eina_list_data_get(itr));
532 /* If we found the extension again. */
533 if (eina_list_data_find_list(extn_list, extn->klass))
536 ERR("Cannot create a consistent method resolution order for class '%s' because of '%s'.", klass->desc->name, extn->klass->desc->name);
540 itr = eina_list_next(itr);
545 mro = _eo_class_mro_add(mro, klass->parent);
551 _eo_class_mro_init(Eo_Class *klass)
553 Eina_List *mro = NULL;
555 DBG("Started creating MRO for class '%s'", klass->desc->name);
556 mro = _eo_class_mro_add(mro, klass);
561 /* Remove duplicates and make them the right order. */
563 Eina_List *itr1, *itr2, *itr2n;
565 itr1 = eina_list_last(mro);
568 itr2 = eina_list_prev(itr1);
572 itr2n = eina_list_prev(itr2);
574 if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
576 mro = eina_list_remove_list(mro, itr2);
582 itr1 = eina_list_prev(itr1);
586 /* Copy the mro and free the list. */
588 const Eo_Class *kls_itr;
589 const Eo_Class **mro_itr;
590 klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
592 mro_itr = klass->mro;
594 EINA_LIST_FREE(mro, kls_itr)
596 *(mro_itr++) = kls_itr;
598 DBG("Added '%s' to MRO", kls_itr->desc->name);
603 DBG("Finished creating MRO for class '%s'", klass->desc->name);
609 _eo_class_constructor(Eo_Class *klass)
611 if (klass->constructed)
614 klass->constructed = EINA_TRUE;
616 if (klass->desc->class_constructor)
617 klass->desc->class_constructor(klass);
621 eo_class_funcs_set(Eo_Class *klass, const Eo_Op_Func_Description *func_descs)
623 EO_MAGIC_RETURN(klass, EO_CLASS_EINA_MAGIC);
625 const Eo_Op_Func_Description *itr;
629 for ( ; itr->op != 0 ; itr++)
631 const Eo_Op_Description *op_desc = _eo_op_id_desc_get(itr->op);
633 if (EINA_LIKELY(!op_desc || (itr->constant == op_desc->constant)))
635 _dich_func_set(klass, itr->op, itr->func);
639 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);
646 eo_class_free(Eo_Class *klass)
648 if (klass->constructed)
650 if (klass->desc->class_destructor)
651 klass->desc->class_destructor(klass);
653 _dich_func_clean_all(klass);
658 Eo_Extension_Node *extn = NULL;
659 EINA_INLIST_FOREACH_SAFE(klass->extensions, itrn, extn)
668 if (klass->extn_data_off)
669 free(klass->extn_data_off);
676 _eo_class_check_op_descs(const Eo_Class *klass)
678 const Eo_Class_Description *desc = klass->desc;
679 const Eo_Op_Description *itr;
682 if (desc->ops.count > 0)
684 if (!desc->ops.base_op_id)
686 ERR("Class '%s' has a non-zero ops count, but base_id is NULL.",
691 if (!desc->ops.descs)
693 ERR("Class '%s' has a non-zero ops count, but there are no descs.",
699 itr = desc->ops.descs;
700 for (i = 0 ; i < desc->ops.count ; i++, itr++)
702 if (itr->sub_op != i)
706 ERR("Wrong order in Ops description for class '%s'. Expected %d and got %d", desc->name, i, itr->sub_op);
710 ERR("Found too few Ops description for class '%s'. Expected %d descriptions, but found %d.", desc->name, desc->ops.count, i);
716 if (itr && itr->name)
718 ERR("Found extra Ops description for class '%s'. Expected %d descriptions, but found more.", desc->name, desc->ops.count);
725 EAPI const Eo_Class *
726 eo_class_new(const Eo_Class_Description *desc, const Eo_Class *parent, ...)
731 if (parent && !EINA_MAGIC_CHECK(parent, EO_CLASS_EINA_MAGIC))
733 EINA_MAGIC_FAIL(parent, EO_CLASS_EINA_MAGIC);
737 va_start(p_list, parent);
739 EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
740 EINA_SAFETY_ON_NULL_RETURN_VAL(desc->name, NULL);
742 /* Check restrictions on Interface types. */
743 if (desc->type == EO_CLASS_TYPE_INTERFACE)
745 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->constructor, NULL);
746 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->destructor, NULL);
747 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->class_constructor, NULL);
748 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->class_destructor, NULL);
749 EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->data_size, NULL);
752 klass = calloc(1, sizeof(Eo_Class));
753 klass->parent = parent;
755 /* Handle class extensions */
757 Eo_Class *extn = NULL;
759 extn = va_arg(p_list, Eo_Class *);
762 switch (extn->desc->type)
764 case EO_CLASS_TYPE_REGULAR:
765 case EO_CLASS_TYPE_REGULAR_NO_INSTANT:
766 /* Use it like an interface. */
767 case EO_CLASS_TYPE_INTERFACE:
769 case EO_CLASS_TYPE_MIXIN:
771 Eo_Extension_Node *node = calloc(1, sizeof(*node));
774 eina_inlist_append(klass->extensions,
775 EINA_INLIST_GET(node));
780 extn = va_arg(p_list, Eo_Class *);
786 /* Handle the inheritance */
789 /* Verify the inheritance is allowed. */
790 switch (klass->desc->type)
792 case EO_CLASS_TYPE_REGULAR:
793 case EO_CLASS_TYPE_REGULAR_NO_INSTANT:
794 if ((klass->parent->desc->type != EO_CLASS_TYPE_REGULAR) &&
795 (klass->parent->desc->type != EO_CLASS_TYPE_REGULAR_NO_INSTANT))
797 ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
801 case EO_CLASS_TYPE_INTERFACE:
802 case EO_CLASS_TYPE_MIXIN:
803 if ((klass->parent->desc->type != EO_CLASS_TYPE_INTERFACE) &&
804 (klass->parent->desc->type != EO_CLASS_TYPE_MIXIN))
806 ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
813 /* Update the current offset. */
814 /* FIXME: Make sure this alignment is enough. */
815 klass->data_offset = klass->parent->data_offset +
816 EO_ALIGN_SIZE(klass->parent->desc->data_size);
819 if (!_eo_class_check_op_descs(klass))
824 if (!_eo_class_mro_init(klass))
829 /* create MIXIN offset table. */
831 const Eo_Class **mro_itr = klass->mro;
832 Eo_Extension_Data_Offset *extn_data_itr;
834 size_t extn_data_off = klass->data_offset +
835 EO_ALIGN_SIZE(klass->desc->data_size);
837 /* FIXME: Make faster... */
840 if (((*mro_itr)->desc->type == EO_CLASS_TYPE_MIXIN) &&
841 ((*mro_itr)->desc->data_size > 0))
848 klass->extn_data_off = calloc(extn_num + 1,
849 sizeof(*klass->extn_data_off));
851 extn_data_itr = klass->extn_data_off;
852 mro_itr = klass->mro;
855 if (((*mro_itr)->desc->type == EO_CLASS_TYPE_MIXIN) &&
856 ((*mro_itr)->desc->data_size > 0))
858 extn_data_itr->klass = *mro_itr;
859 extn_data_itr->offset = extn_data_off;
861 extn_data_off += EO_ALIGN_SIZE(extn_data_itr->klass->desc->data_size);
867 klass->extn_data_size = extn_data_off;
870 eina_lock_take(&_eo_class_creation_lock);
871 klass->class_id = ++_eo_classes_last_id;
873 /* FIXME: Handle errors. */
875 tmp = realloc(_eo_classes, _eo_classes_last_id * sizeof(*_eo_classes));
877 _eo_classes[klass->class_id - 1] = klass;
879 eina_lock_release(&_eo_class_creation_lock);
881 EINA_MAGIC_SET(klass, EO_CLASS_EINA_MAGIC);
883 /* Flatten the function array */
885 const Eo_Class **mro_itr = klass->mro;
886 for ( ; *mro_itr ; mro_itr++)
889 for ( mro_itr-- ; mro_itr >= klass->mro ; mro_itr--)
891 _dich_copy_all(klass, *mro_itr);
895 _eo_class_base_op_init(klass);
897 _eo_class_constructor(klass);
904 eo_class_free(klass);
909 eo_add(const Eo_Class *klass, Eo *parent)
911 EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, NULL);
913 if (parent) EO_MAGIC_RETURN_VAL(parent, EO_EINA_MAGIC, NULL);
915 if (EINA_UNLIKELY(klass->desc->type != EO_CLASS_TYPE_REGULAR))
917 ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
921 Eo *obj = calloc(1, EO_ALIGN_SIZE(sizeof(*obj)) +
922 (klass->data_offset + EO_ALIGN_SIZE(klass->desc->data_size)) +
923 klass->extn_data_size);
925 obj->parent = parent;
929 Eo_Kls_Itr prev_state;
931 _eo_kls_itr_init(obj, EO_NOOP, &prev_state);
932 eo_constructor_error_unset(obj);
934 EINA_MAGIC_SET(obj, EO_EINA_MAGIC);
936 _eo_constructor(obj, klass);
938 if (EINA_UNLIKELY(eo_constructor_error_get(obj)))
940 ERR("Type '%s' - One of the object constructors have failed.", klass->desc->name);
944 if (EINA_UNLIKELY(!_eo_kls_itr_reached_end(obj)))
946 ERR("Type '%s' - Not all of the object constructors have been executed.", klass->desc->name);
949 _eo_kls_itr_end(obj, &prev_state);
955 _eo_kls_itr_end(obj, &prev_state);
956 /* Unref twice, once for the ref above, and once for the basic object ref. */
971 eo_xref_internal(Eo *obj, const Eo *ref_obj, const char *file, int line)
973 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, obj);
978 Eo_Xref_Node *xref = calloc(1, sizeof(*xref));
979 xref->ref_obj = ref_obj;
983 /* FIXME: Make it sorted. */
984 obj->xrefs = eina_inlist_prepend(obj->xrefs, EINA_INLIST_GET(xref));
995 eo_xunref(Eo *obj, const Eo *ref_obj)
997 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
999 Eo_Xref_Node *xref = NULL;
1000 EINA_INLIST_FOREACH(obj->xrefs, xref)
1002 if (xref->ref_obj == ref_obj)
1008 obj->xrefs = eina_inlist_remove(obj->xrefs, EINA_INLIST_GET(xref));
1013 ERR("ref_obj (%p) does not reference obj (%p). Aborting unref.", ref_obj, obj);
1030 eo_ref(const Eo *_obj)
1032 Eo *obj = (Eo *) _obj;
1033 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, obj);
1035 return _eo_ref(obj);
1039 _eo_del_internal(Eo *obj)
1043 /* We need that for the event callbacks that may ref/unref. */
1046 eo_do(obj, eo_event_callback_call(EO_EV_DEL, NULL, NULL));
1047 obj->del = EINA_TRUE;
1049 const Eo_Class *klass = eo_class_get(obj);
1050 Eo_Kls_Itr prev_state;
1052 _eo_kls_itr_init(obj, EO_NOOP, &prev_state);
1053 eo_constructor_error_unset(obj);
1054 _eo_destructor(obj, klass);
1055 if (eo_constructor_error_get(obj))
1057 ERR("Type '%s' - One of the object destructors have failed.", klass->desc->name);
1060 if (!_eo_kls_itr_reached_end(obj))
1062 ERR("Type '%s' - Not all of the object destructors have been executed.", klass->desc->name);
1064 _eo_kls_itr_end(obj, &prev_state);
1065 /*FIXME: add eo_class_unref(klass) ? - just to clear the caches. */
1067 Eina_List *itr, *itr_n;
1069 EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
1071 eo_composite_object_detach(obj, emb_obj);
1080 if (--(obj->refcount) == 0)
1082 _eo_del_internal(obj);
1085 /* If for some reason it's not empty, clear it. */
1088 WRN("obj->xrefs is not empty, possibly a bug, please report. - An error will be reported for each xref in the stack.");
1089 Eina_Inlist *nitr = obj->xrefs->next;
1090 free(EINA_INLIST_CONTAINER_GET(obj->xrefs, Eo_Xref_Node));
1095 EINA_MAGIC_SET(obj, EO_DELETED_EINA_MAGIC);
1101 eo_unref(const Eo *_obj)
1103 Eo *obj = (Eo *) _obj;
1104 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1110 eo_ref_get(const Eo *obj)
1112 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, 0);
1114 return obj->refcount;
1120 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1122 _eo_del_internal(obj);
1127 eo_parent_get(const Eo *obj)
1129 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, NULL);
1135 eo_constructor_error_set(Eo *obj)
1137 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1139 obj->construct_error = EINA_TRUE;
1143 eo_constructor_error_unset(Eo *obj)
1145 obj->construct_error = EINA_FALSE;
1149 eo_constructor_error_get(const Eo *obj)
1151 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_TRUE);
1153 return obj->construct_error;
1157 _eo_constructor_default(Eo *obj)
1159 eo_constructor_super(obj);
1163 _eo_destructor_default(Eo *obj)
1165 eo_destructor_super(obj);
1169 _eo_constructor(Eo *obj, const Eo_Class *klass)
1174 if (klass->desc->constructor)
1175 klass->desc->constructor(obj, _eo_data_get(obj, klass));
1177 _eo_constructor_default(obj);
1181 _eo_destructor(Eo *obj, const Eo_Class *klass)
1186 if (klass->desc->destructor)
1187 klass->desc->destructor(obj, _eo_data_get(obj, klass));
1189 _eo_destructor_default(obj);
1193 eo_constructor_super(Eo *obj)
1195 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1197 _eo_constructor(obj, _eo_kls_itr_next(obj, EO_NOOP));
1201 eo_destructor_super(Eo *obj)
1203 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1205 _eo_destructor(obj, _eo_kls_itr_next(obj, EO_NOOP));
1208 static inline void *
1209 _eo_data_get(const Eo *obj, const Eo_Class *klass)
1211 if (EINA_LIKELY(klass->desc->data_size > 0))
1213 if (EINA_UNLIKELY(klass->desc->type == EO_CLASS_TYPE_MIXIN))
1215 Eo_Extension_Data_Offset *doff_itr =
1216 eo_class_get(obj)->extn_data_off;
1221 while (doff_itr->klass)
1223 if (doff_itr->klass == klass)
1224 return ((char *) obj) + EO_ALIGN_SIZE(sizeof(*obj)) +
1231 return ((char *) obj) + EO_ALIGN_SIZE(sizeof(*obj)) +
1240 eo_data_get(const Eo *obj, const Eo_Class *klass)
1243 EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, NULL);
1246 if (!_eo_class_mro_has(obj->klass, klass))
1248 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);
1253 ret = _eo_data_get(obj, klass);
1255 if (!ret && (klass->desc->data_size == 0))
1257 ERR("Tried getting data of class '%s', but it has none..", klass->desc->name);
1266 const char *log_dom = "eo";
1267 if (_eo_init_count++ > 0)
1273 _eo_classes_last_id = 0;
1274 _eo_log_dom = eina_log_domain_register(log_dom, EINA_COLOR_LIGHTBLUE);
1275 if (_eo_log_dom < 0)
1277 EINA_LOG_ERR("Could not register log domain: %s", log_dom);
1281 if (!eina_lock_new(&_eo_class_creation_lock))
1283 EINA_LOG_ERR("Could not init lock.");
1287 eina_magic_string_static_set(EO_EINA_MAGIC, EO_EINA_MAGIC_STR);
1288 eina_magic_string_static_set(EO_DELETED_EINA_MAGIC,
1289 EO_DELETED_EINA_MAGIC_STR);
1290 eina_magic_string_static_set(EO_CLASS_EINA_MAGIC,
1291 EO_CLASS_EINA_MAGIC_STR);
1300 Eo_Class **cls_itr = _eo_classes;
1302 if (--_eo_init_count > 0)
1305 for (i = 0 ; i < _eo_classes_last_id ; i++, cls_itr++)
1308 eo_class_free(*cls_itr);
1314 eina_lock_free(&_eo_class_creation_lock);
1316 eina_log_domain_unregister(_eo_log_dom);
1324 eo_composite_object_attach(Eo *obj, Eo *emb_obj)
1326 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1327 EO_MAGIC_RETURN(emb_obj, EO_EINA_MAGIC);
1329 eo_xref(emb_obj, obj);
1330 obj->composite_objects = eina_list_prepend(obj->composite_objects, emb_obj);
1334 eo_composite_object_detach(Eo *obj, Eo *emb_obj)
1336 EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
1337 EO_MAGIC_RETURN(emb_obj, EO_EINA_MAGIC);
1339 obj->composite_objects = eina_list_remove(obj->composite_objects, emb_obj);
1340 eo_xunref(emb_obj, obj);
1344 eo_composite_is(Eo *emb_obj)
1346 if (!EINA_MAGIC_CHECK(emb_obj, EO_EINA_MAGIC))
1348 EINA_MAGIC_FAIL(emb_obj, EO_EINA_MAGIC);
1352 Eo *obj = eo_parent_get(emb_obj);
1359 EINA_LIST_FOREACH(obj->composite_objects, itr, tmp)