1583 lines
38 KiB
C
1583 lines
38 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <Eina.h>
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#include "Eo.h"
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#include "eo_private.h"
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/* The last id that should be reserved for statically allocated classes. */
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#define EO_CLASS_IDS_FIRST 1
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#define EO_OP_IDS_FIRST 1
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/* Used inside the class_get functions of classes, see #EO_DEFINE_CLASS */
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EAPI Eina_Lock _eo_class_creation_lock;
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int _eo_log_dom = -1;
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static Eo_Class **_eo_classes;
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static Eo_Class_Id _eo_classes_last_id;
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static Eina_Bool _eo_init_count = 0;
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static Eo_Op _eo_ops_last_id = 0;
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static void _eo_condtor_reset(Eo *obj);
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static inline void *_eo_data_get(const Eo *obj, const Eo_Class *klass);
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static inline Eo *_eo_ref(Eo *obj);
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static inline void _eo_unref(Eo *obj);
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static const Eo_Class *_eo_op_class_get(Eo_Op op);
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static const Eo_Op_Description *_eo_op_id_desc_get(Eo_Op op);
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typedef struct
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{
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const Eo_Class *kls;
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} Eo_Kls_Itr;
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struct _Eo {
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EINA_MAGIC
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EINA_INLIST;
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Eo *parent;
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Eina_Inlist *children;
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const Eo_Class *klass;
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int refcount;
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#ifndef NDEBUG
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Eina_Inlist *xrefs;
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#endif
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Eina_List *composite_objects;
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Eo_Kls_Itr mro_itr;
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Eina_Bool do_error:1;
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Eina_Bool condtor_done:1;
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Eina_Bool composite:1;
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Eina_Bool del:1;
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Eina_Bool manual_free:1;
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};
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/* Start of Dich */
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/* How we search and store the implementations in classes. */
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#define DICH_CHAIN_LAST_BITS 5
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#define DICH_CHAIN_LAST_SIZE (1 << DICH_CHAIN_LAST_BITS)
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#define DICH_CHAIN1(x) ((x) / DICH_CHAIN_LAST_SIZE)
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#define DICH_CHAIN_LAST(x) ((x) % DICH_CHAIN_LAST_SIZE)
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#define OP_CLASS_OFFSET_GET(x) (((x) >> EO_OP_CLASS_OFFSET) & 0xffff)
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#define ID_CLASS_GET(id) ({ \
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(Eo_Class *) ((id <= _eo_classes_last_id) && (id > 0)) ? \
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(_eo_classes[id - 1]) : NULL; \
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})
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#define EO_ALIGN_SIZE(size) \
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((size) + (sizeof(void *) - ((size) % sizeof(void *))))
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typedef struct _Dich_Chain1 Dich_Chain1;
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typedef struct
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{
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eo_op_func_type func;
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const Eo_Class *src;
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} op_type_funcs;
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struct _Dich_Chain1
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{
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op_type_funcs *funcs;
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};
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typedef struct
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{
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const Eo_Class *klass;
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size_t offset;
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} Eo_Extension_Data_Offset;
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struct _Eo_Class
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{
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EINA_MAGIC
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Eo_Class_Id class_id;
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const Eo_Class *parent;
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const Eo_Class_Description *desc;
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Dich_Chain1 *chain; /**< The size is chain size */
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size_t chain_size;
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size_t base_id;
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const Eo_Class **extensions;
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Eo_Extension_Data_Offset *extn_data_off;
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size_t extn_data_size;
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const Eo_Class **mro;
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Eo_Kls_Itr mro_itr;
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size_t data_offset; /* < Offset of the data within object data. */
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Eina_Bool constructed : 1;
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};
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static inline void
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_dich_chain_alloc(Dich_Chain1 *chain1)
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{
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if (!chain1->funcs)
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{
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chain1->funcs = calloc(DICH_CHAIN_LAST_SIZE, sizeof(*(chain1->funcs)));
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}
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}
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static inline void
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_dich_copy_all(Eo_Class *dst, const Eo_Class *src)
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{
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Eo_Op i;
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const Dich_Chain1 *sc1 = src->chain;
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Dich_Chain1 *dc1 = dst->chain;
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for (i = 0 ; i < src->chain_size ; i++, sc1++, dc1++)
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{
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if (sc1->funcs)
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{
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size_t j;
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_dich_chain_alloc(dc1);
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const op_type_funcs *sf = sc1->funcs;
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op_type_funcs *df = dc1->funcs;
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for (j = 0 ; j < DICH_CHAIN_LAST_SIZE ; j++, df++, sf++)
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{
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if (sf->func)
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{
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memcpy(df, sf, sizeof(*df));
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}
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}
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}
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}
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}
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static inline const op_type_funcs *
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_dich_func_get(const Eo_Class *klass, Eo_Op op)
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{
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size_t idx1 = DICH_CHAIN1(op);
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if (EINA_UNLIKELY(idx1 >= klass->chain_size))
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return NULL;
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Dich_Chain1 *chain1 = &klass->chain[idx1];
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if (EINA_UNLIKELY(!chain1->funcs))
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return NULL;
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return &chain1->funcs[DICH_CHAIN_LAST(op)];
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}
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static inline void
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_dich_func_set(Eo_Class *klass, Eo_Op op, eo_op_func_type func)
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{
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size_t idx1 = DICH_CHAIN1(op);
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Dich_Chain1 *chain1 = &klass->chain[idx1];
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_dich_chain_alloc(chain1);
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if (chain1->funcs[DICH_CHAIN_LAST(op)].src == klass)
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{
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const Eo_Class *op_kls = _eo_op_class_get(op);
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const Eo_Op_Description *op_desc = _eo_op_id_desc_get(op);
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ERR("Already set function for op %x (%s:%s). Overriding with func %p",
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op, op_kls->desc->name, op_desc->name, func);
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}
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chain1->funcs[DICH_CHAIN_LAST(op)].func = func;
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chain1->funcs[DICH_CHAIN_LAST(op)].src = klass;
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}
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static inline void
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_dich_func_clean_all(Eo_Class *klass)
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{
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size_t i;
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Dich_Chain1 *chain1 = klass->chain;
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for (i = 0 ; i < klass->chain_size ; i++, chain1++)
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{
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if (chain1->funcs)
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free(chain1->funcs);
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}
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free(klass->chain);
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klass->chain = NULL;
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}
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/* END OF DICH */
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static const Eo_Op_Description noop_desc =
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EO_OP_DESCRIPTION(EO_NOOP, "No operation.");
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static const Eo_Class *
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_eo_op_class_get(Eo_Op op)
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{
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/* FIXME: Make it fast. */
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Eo_Class **itr = _eo_classes;
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int mid, max, min;
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min = 0;
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max = _eo_classes_last_id - 1;
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while (min <= max)
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{
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mid = (min + max) / 2;
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if (itr[mid]->base_id + itr[mid]->desc->ops.count < op)
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min = mid + 1;
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else if (itr[mid]->base_id > op)
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max = mid - 1;
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else
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return itr[mid];
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}
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return NULL;
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}
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static const Eo_Op_Description *
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_eo_op_id_desc_get(Eo_Op op)
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{
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const Eo_Class *klass;
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if (op == EO_NOOP)
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return &noop_desc;
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klass = _eo_op_class_get(op);
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if (klass)
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{
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Eo_Op sub_id = op - klass->base_id;
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if (sub_id < klass->desc->ops.count)
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return klass->desc->ops.descs + sub_id;
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}
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return NULL;
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}
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static const char *
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_eo_op_id_name_get(Eo_Op op)
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{
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const Eo_Op_Description *desc = _eo_op_id_desc_get(op);
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return (desc) ? desc->name : NULL;
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}
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static inline void
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_eo_kls_itr_init(const Eo_Class *obj_klass, Eo_Kls_Itr *cur, Eo_Kls_Itr *prev_state)
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{
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memcpy(prev_state, cur, sizeof(*cur));
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cur->kls = *obj_klass->mro;
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}
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static inline void
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_eo_kls_itr_end(Eo_Kls_Itr *cur, Eo_Kls_Itr *prev_state)
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{
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memcpy(cur, prev_state, sizeof(*cur));
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}
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static inline const Eo_Class *
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_eo_kls_itr_get(Eo_Kls_Itr *cur)
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{
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return cur->kls;
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}
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static inline void
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_eo_kls_itr_set(Eo_Kls_Itr *cur, const Eo_Class *kls)
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{
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cur->kls = kls;
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}
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static inline const Eo_Class *
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_eo_kls_itr_next(const Eo_Class *orig_kls, Eo_Kls_Itr *cur, Eo_Kls_Itr *prev_state, Eo_Op op)
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{
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const Eo_Class **kls_itr = NULL;
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memcpy(prev_state, cur, sizeof(*cur));
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/* Find the kls itr. */
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kls_itr = orig_kls->mro;
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while (*kls_itr && (*kls_itr != cur->kls))
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kls_itr++;
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if (*kls_itr)
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{
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kls_itr++;
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while (*kls_itr)
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{
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const op_type_funcs *fsrc = _dich_func_get(*kls_itr, op);
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if (!fsrc || !fsrc->func)
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{
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kls_itr++;
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continue;
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}
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cur->kls = fsrc->src;
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return cur->kls;
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}
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}
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cur->kls = NULL;
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return NULL;
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}
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static inline const op_type_funcs *
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_eo_kls_itr_func_get(Eo_Kls_Itr *mro_itr, Eo_Op op)
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{
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const Eo_Class *klass = _eo_kls_itr_get(mro_itr);
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if (klass)
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{
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const op_type_funcs *func = _dich_func_get(klass, op);
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if (func && func->func)
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{
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_eo_kls_itr_set(mro_itr, func->src);
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return func;
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}
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}
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_eo_kls_itr_set(mro_itr, NULL);
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return NULL;
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}
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#define _EO_OP_ERR_NO_OP_PRINT(op, klass) \
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do \
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{ \
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const Eo_Class *op_klass = _eo_op_class_get(op); \
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const char *_dom_name = (op_klass) ? op_klass->desc->name : NULL; \
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ERR("Can't find func for op %x (%s:%s) for class '%s'. Aborting.", \
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op, _dom_name, _eo_op_id_name_get(op), \
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(klass) ? klass->desc->name : NULL); \
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} \
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while (0)
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static Eina_Bool
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_eo_op_internal(Eo *obj, Eo_Op_Type op_type, Eo_Op op, va_list *p_list)
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{
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#ifndef NDEBUG
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const Eo_Op_Description *op_desc = _eo_op_id_desc_get(op);
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if (op_desc)
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{
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if (op_desc->op_type == EO_OP_TYPE_CLASS)
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{
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ERR("Tried calling a class op '%s' (%x) from a non-class context.", (op_desc) ? op_desc->name : NULL, op);
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return EINA_FALSE;
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}
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}
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#endif
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{
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const op_type_funcs *func =
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_eo_kls_itr_func_get(&obj->mro_itr, op);
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if (EINA_LIKELY(func != NULL))
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{
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void *func_data =_eo_data_get(obj, func->src);
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func->func(obj, func_data, p_list);
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return EINA_TRUE;
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}
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}
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/* Try composite objects */
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{
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Eina_List *itr;
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Eo *emb_obj;
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EINA_LIST_FOREACH(obj->composite_objects, itr, emb_obj)
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{
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/* FIXME: Clean this up a bit. */
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Eo_Kls_Itr prev_state;
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_eo_kls_itr_init(emb_obj->klass, &emb_obj->mro_itr, &prev_state);
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if (_eo_op_internal(emb_obj, op_type, op, p_list))
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{
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_eo_kls_itr_end(&emb_obj->mro_itr, &prev_state);
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return EINA_TRUE;
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}
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_eo_kls_itr_end(&emb_obj->mro_itr, &prev_state);
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}
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}
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return EINA_FALSE;
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}
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static inline Eina_Bool
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_eo_dov_internal(Eo *obj, Eo_Op_Type op_type, va_list p_list)
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{
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Eina_Bool prev_error;
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Eina_Bool ret = EINA_TRUE;
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Eo_Op op = EO_NOOP;
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Eo_Kls_Itr prev_state;
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prev_error = obj->do_error;
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_eo_ref(obj);
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op = va_arg(p_list, Eo_Op);
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while (op)
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{
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_eo_kls_itr_init(obj->klass, &obj->mro_itr, &prev_state);
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if (!_eo_op_internal(obj, op_type, op, &p_list))
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{
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_EO_OP_ERR_NO_OP_PRINT(op, obj->klass);
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ret = EINA_FALSE;
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_eo_kls_itr_end(&obj->mro_itr, &prev_state);
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break;
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}
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op = va_arg(p_list, Eo_Op);
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_eo_kls_itr_end(&obj->mro_itr, &prev_state);
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}
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_eo_unref(obj);
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if (obj->do_error)
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ret = EINA_FALSE;
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obj->do_error = prev_error;
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return ret;
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}
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EAPI Eina_Bool
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eo_do_internal(Eo *obj, Eo_Op_Type op_type, ...)
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{
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Eina_Bool ret = EINA_TRUE;
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va_list p_list;
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EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
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va_start(p_list, op_type);
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ret = _eo_dov_internal(obj, op_type, p_list);
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va_end(p_list);
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return ret;
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}
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EAPI Eina_Bool
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eo_do_super_internal(Eo *obj, Eo_Op_Type op_type, Eo_Op op, ...)
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{
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const Eo_Class *nklass;
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Eina_Bool ret = EINA_TRUE;
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va_list p_list;
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Eo_Kls_Itr prev_state;
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EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
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/* Advance the kls itr. */
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nklass = _eo_kls_itr_next(obj->klass, &obj->mro_itr, &prev_state, op);
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va_start(p_list, op);
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if (!_eo_op_internal(obj, op_type, op, &p_list))
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{
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_EO_OP_ERR_NO_OP_PRINT(op, nklass);
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ret = EINA_FALSE;
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}
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va_end(p_list);
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if (obj->do_error)
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ret = EINA_FALSE;
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_eo_kls_itr_end(&obj->mro_itr, &prev_state);
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return ret;
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}
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static Eina_Bool
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_eo_class_op_internal(Eo_Class *klass, Eo_Op op, va_list *p_list)
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{
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#ifndef NDEBUG
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const Eo_Op_Description *op_desc = _eo_op_id_desc_get(op);
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if (op_desc)
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{
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if (op_desc->op_type != EO_OP_TYPE_CLASS)
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{
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ERR("Tried calling an instance op '%s' (%x) from a class context.", (op_desc) ? op_desc->name : NULL, op);
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return EINA_FALSE;
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}
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}
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#endif
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{
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const op_type_funcs *func =
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_eo_kls_itr_func_get(&klass->mro_itr, op);
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if (func)
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{
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((eo_op_func_type_class) func->func)(klass, p_list);
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return EINA_TRUE;
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}
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}
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return EINA_FALSE;
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}
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EAPI Eina_Bool
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eo_class_do_internal(const Eo_Class *klass, ...)
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{
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Eina_Bool ret = EINA_TRUE;
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Eo_Op op = EO_NOOP;
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Eo_Kls_Itr prev_state;
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va_list p_list;
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EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, EINA_FALSE);
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va_start(p_list, klass);
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op = va_arg(p_list, Eo_Op);
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while (op)
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{
|
|
_eo_kls_itr_init(klass, &((Eo_Class *) klass)->mro_itr, &prev_state);
|
|
if (!_eo_class_op_internal((Eo_Class *) klass, op, &p_list))
|
|
{
|
|
_EO_OP_ERR_NO_OP_PRINT(op, klass);
|
|
ret = EINA_FALSE;
|
|
_eo_kls_itr_end(&((Eo_Class *) klass)->mro_itr, &prev_state);
|
|
break;
|
|
}
|
|
_eo_kls_itr_end(&((Eo_Class *) klass)->mro_itr, &prev_state);
|
|
op = va_arg(p_list, Eo_Op);
|
|
}
|
|
|
|
va_end(p_list);
|
|
|
|
return ret;
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
eo_class_do_super_internal(const Eo_Class *klass, Eo_Op op, ...)
|
|
{
|
|
const Eo_Class *nklass;
|
|
Eina_Bool ret = EINA_TRUE;
|
|
va_list p_list;
|
|
Eo_Kls_Itr prev_state;
|
|
EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, EINA_FALSE);
|
|
|
|
/* Advance the kls itr. */
|
|
nklass = _eo_kls_itr_next(klass, &((Eo_Class *) klass)->mro_itr, &prev_state, op);
|
|
|
|
va_start(p_list, op);
|
|
if (!_eo_class_op_internal((Eo_Class *) klass, op, &p_list))
|
|
{
|
|
_EO_OP_ERR_NO_OP_PRINT(op, nklass);
|
|
ret = EINA_FALSE;
|
|
}
|
|
va_end(p_list);
|
|
|
|
_eo_kls_itr_end(&((Eo_Class *) klass)->mro_itr, &prev_state);
|
|
return ret;
|
|
}
|
|
|
|
EAPI const Eo_Class *
|
|
eo_class_get(const Eo *obj)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
|
|
|
|
return obj->klass;
|
|
}
|
|
|
|
EAPI const char *
|
|
eo_class_name_get(const Eo_Class *klass)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, NULL);
|
|
|
|
return klass->desc->name;
|
|
}
|
|
|
|
static void
|
|
_eo_class_base_op_init(Eo_Class *klass)
|
|
{
|
|
const Eo_Class_Description *desc = klass->desc;
|
|
|
|
klass->base_id = _eo_ops_last_id;
|
|
|
|
if (desc && desc->ops.base_op_id)
|
|
*(desc->ops.base_op_id) = klass->base_id;
|
|
|
|
_eo_ops_last_id += desc->ops.count + 1;
|
|
|
|
klass->chain_size = DICH_CHAIN1(_eo_ops_last_id) + 1;
|
|
klass->chain = calloc(klass->chain_size, sizeof(*klass->chain));
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
static Eina_Bool
|
|
_eo_class_mro_has(const Eo_Class *klass, const Eo_Class *find)
|
|
{
|
|
const Eo_Class **itr;
|
|
for (itr = klass->mro ; *itr ; itr++)
|
|
{
|
|
if (*itr == find)
|
|
{
|
|
return EINA_TRUE;
|
|
}
|
|
}
|
|
return EINA_FALSE;
|
|
}
|
|
#endif
|
|
|
|
static Eina_List *
|
|
_eo_class_mro_add(Eina_List *mro, const Eo_Class *klass)
|
|
{
|
|
Eina_List *extn_pos = NULL;
|
|
Eina_Bool check_consistency = !mro;
|
|
if (!klass)
|
|
return mro;
|
|
|
|
mro = eina_list_append(mro, klass);
|
|
|
|
/* ONLY ADD MIXINS! */
|
|
|
|
/* Recursively add extenions. */
|
|
{
|
|
const Eo_Class **extn_itr;
|
|
|
|
for (extn_itr = klass->extensions ; *extn_itr ; extn_itr++)
|
|
{
|
|
const Eo_Class *extn = *extn_itr;
|
|
if (extn->desc->type != EO_CLASS_TYPE_MIXIN)
|
|
continue;
|
|
|
|
mro = _eo_class_mro_add(mro, extn);
|
|
/* Not possible: if (!mro) return NULL; */
|
|
|
|
if (check_consistency)
|
|
{
|
|
extn_pos = eina_list_append(extn_pos, eina_list_last(mro));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Check if we can create a consistent mro. We only do it for the class
|
|
* we are working on (i.e no parents). */
|
|
if (check_consistency)
|
|
{
|
|
const Eo_Class **extn_itr;
|
|
|
|
Eina_List *itr = extn_pos;
|
|
for (extn_itr = klass->extensions ; *extn_itr ; extn_itr++)
|
|
{
|
|
const Eo_Class *extn = *extn_itr;
|
|
if (extn->desc->type != EO_CLASS_TYPE_MIXIN)
|
|
continue;
|
|
|
|
/* Get the first one after the extension. */
|
|
Eina_List *extn_list = eina_list_next(eina_list_data_get(itr));
|
|
|
|
/* If we found the extension again. */
|
|
if (eina_list_data_find_list(extn_list, extn))
|
|
{
|
|
eina_list_free(mro);
|
|
ERR("Cannot create a consistent method resolution order for class '%s' because of '%s'.", klass->desc->name, extn->desc->name);
|
|
return NULL;
|
|
}
|
|
|
|
itr = eina_list_next(itr);
|
|
}
|
|
}
|
|
|
|
|
|
mro = _eo_class_mro_add(mro, klass->parent);
|
|
|
|
return mro;
|
|
}
|
|
|
|
static Eina_Bool
|
|
_eo_class_mro_init(Eo_Class *klass)
|
|
{
|
|
Eina_List *mro = NULL;
|
|
|
|
DBG("Started creating MRO for class '%s'", klass->desc->name);
|
|
mro = _eo_class_mro_add(mro, klass);
|
|
|
|
if (!mro)
|
|
return EINA_FALSE;
|
|
|
|
/* Remove duplicates and make them the right order. */
|
|
{
|
|
Eina_List *itr1, *itr2, *itr2n;
|
|
|
|
itr1 = eina_list_last(mro);
|
|
while (itr1)
|
|
{
|
|
itr2 = eina_list_prev(itr1);
|
|
|
|
while (itr2)
|
|
{
|
|
itr2n = eina_list_prev(itr2);
|
|
|
|
if (eina_list_data_get(itr1) == eina_list_data_get(itr2))
|
|
{
|
|
mro = eina_list_remove_list(mro, itr2);
|
|
}
|
|
|
|
itr2 = itr2n;
|
|
}
|
|
|
|
itr1 = eina_list_prev(itr1);
|
|
}
|
|
}
|
|
|
|
/* Copy the mro and free the list. */
|
|
{
|
|
const Eo_Class *kls_itr;
|
|
const Eo_Class **mro_itr;
|
|
klass->mro = calloc(sizeof(*klass->mro), eina_list_count(mro) + 1);
|
|
|
|
mro_itr = klass->mro;
|
|
|
|
EINA_LIST_FREE(mro, kls_itr)
|
|
{
|
|
*(mro_itr++) = kls_itr;
|
|
|
|
DBG("Added '%s' to MRO", kls_itr->desc->name);
|
|
}
|
|
*(mro_itr) = NULL;
|
|
}
|
|
|
|
DBG("Finished creating MRO for class '%s'", klass->desc->name);
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static void
|
|
_eo_class_constructor(Eo_Class *klass)
|
|
{
|
|
if (klass->constructed)
|
|
return;
|
|
|
|
klass->constructed = EINA_TRUE;
|
|
|
|
if (klass->desc->class_constructor)
|
|
klass->desc->class_constructor(klass);
|
|
}
|
|
|
|
EAPI void
|
|
eo_class_funcs_set(Eo_Class *klass, const Eo_Op_Func_Description *func_descs)
|
|
{
|
|
EO_MAGIC_RETURN(klass, EO_CLASS_EINA_MAGIC);
|
|
|
|
const Eo_Op_Func_Description *itr;
|
|
itr = func_descs;
|
|
if (itr)
|
|
{
|
|
for ( ; itr->op_type != EO_OP_TYPE_INVALID ; itr++)
|
|
{
|
|
const Eo_Op_Description *op_desc = _eo_op_id_desc_get(itr->op);
|
|
|
|
if (EINA_UNLIKELY(!op_desc || (itr->op == EO_NOOP)))
|
|
{
|
|
ERR("Setting implementation for non-existent op %x for class '%s'. Func index: %d", itr->op, klass->desc->name, itr - func_descs);
|
|
}
|
|
else if (EINA_LIKELY(itr->op_type == op_desc->op_type))
|
|
{
|
|
_dich_func_set(klass, itr->op, itr->func);
|
|
}
|
|
else
|
|
{
|
|
ERR("Set function's op type (%x) is different than the one in the op description (%d) for op '%s:%s'. Func index: %d",
|
|
itr->op_type,
|
|
(op_desc) ? op_desc->op_type : EO_OP_TYPE_REGULAR,
|
|
klass->desc->name,
|
|
(op_desc) ? op_desc->name : NULL,
|
|
itr - func_descs);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
eo_class_free(Eo_Class *klass)
|
|
{
|
|
if (klass->constructed)
|
|
{
|
|
if (klass->desc->class_destructor)
|
|
klass->desc->class_destructor(klass);
|
|
|
|
_dich_func_clean_all(klass);
|
|
}
|
|
|
|
free(klass->extensions);
|
|
|
|
if (klass->mro)
|
|
free(klass->mro);
|
|
|
|
if (klass->extn_data_off)
|
|
free(klass->extn_data_off);
|
|
|
|
free(klass);
|
|
}
|
|
|
|
/* DEVCHECK */
|
|
static Eina_Bool
|
|
_eo_class_check_op_descs(const Eo_Class *klass)
|
|
{
|
|
const Eo_Class_Description *desc = klass->desc;
|
|
const Eo_Op_Description *itr;
|
|
size_t i;
|
|
|
|
if (desc->ops.count > 0)
|
|
{
|
|
if (!desc->ops.base_op_id)
|
|
{
|
|
ERR("Class '%s' has a non-zero ops count, but base_id is NULL.",
|
|
desc->name);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
if (!desc->ops.descs)
|
|
{
|
|
ERR("Class '%s' has a non-zero ops count, but there are no descs.",
|
|
desc->name);
|
|
return EINA_FALSE;
|
|
}
|
|
}
|
|
|
|
itr = desc->ops.descs;
|
|
for (i = 0 ; i < desc->ops.count ; i++, itr++)
|
|
{
|
|
if (itr->sub_op != i)
|
|
{
|
|
if (itr->name)
|
|
{
|
|
ERR("Wrong order in Ops description for class '%s'. Expected %x and got %x", desc->name, i, itr->sub_op);
|
|
}
|
|
else
|
|
{
|
|
ERR("Found too few Ops description for class '%s'. Expected %x descriptions, but found %x.", desc->name, desc->ops.count, i);
|
|
}
|
|
return EINA_FALSE;
|
|
}
|
|
}
|
|
|
|
if (itr && itr->name)
|
|
{
|
|
ERR("Found extra Ops description for class '%s'. Expected %d descriptions, but found more.", desc->name, desc->ops.count);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
/* Not really called, just used for the ptr... */
|
|
static void
|
|
_eo_class_isa_func(Eo *obj EINA_UNUSED, void *class_data EINA_UNUSED, va_list *list EINA_UNUSED)
|
|
{
|
|
/* Do nonthing. */
|
|
}
|
|
|
|
EAPI const Eo_Class *
|
|
eo_class_new(const Eo_Class_Description *desc, const Eo_Class *parent, ...)
|
|
{
|
|
Eo_Class *klass;
|
|
va_list p_list;
|
|
|
|
if (parent && !EINA_MAGIC_CHECK(parent, EO_CLASS_EINA_MAGIC))
|
|
{
|
|
EINA_MAGIC_FAIL(parent, EO_CLASS_EINA_MAGIC);
|
|
return NULL;
|
|
}
|
|
|
|
va_start(p_list, parent);
|
|
|
|
EINA_SAFETY_ON_NULL_RETURN_VAL(desc, NULL);
|
|
EINA_SAFETY_ON_NULL_RETURN_VAL(desc->name, NULL);
|
|
|
|
/* Check restrictions on Interface types. */
|
|
if (desc->type == EO_CLASS_TYPE_INTERFACE)
|
|
{
|
|
EINA_SAFETY_ON_FALSE_RETURN_VAL(!desc->data_size, NULL);
|
|
}
|
|
|
|
klass = calloc(1, sizeof(Eo_Class));
|
|
klass->parent = parent;
|
|
|
|
/* Handle class extensions */
|
|
{
|
|
Eina_List *extn_list = NULL;
|
|
const Eo_Class *extn = NULL;
|
|
const Eo_Class **extn_itr = NULL;
|
|
|
|
extn = va_arg(p_list, Eo_Class *);
|
|
while (extn)
|
|
{
|
|
switch (extn->desc->type)
|
|
{
|
|
case EO_CLASS_TYPE_REGULAR:
|
|
case EO_CLASS_TYPE_REGULAR_NO_INSTANT:
|
|
case EO_CLASS_TYPE_INTERFACE:
|
|
case EO_CLASS_TYPE_MIXIN:
|
|
extn_list = eina_list_append(extn_list, extn);
|
|
break;
|
|
}
|
|
|
|
extn = va_arg(p_list, Eo_Class *);
|
|
}
|
|
|
|
klass->extensions = calloc(sizeof(*klass->extensions),
|
|
eina_list_count(extn_list) + 1);
|
|
|
|
extn_itr = klass->extensions;
|
|
EINA_LIST_FREE(extn_list, extn)
|
|
{
|
|
*(extn_itr++) = extn;
|
|
}
|
|
}
|
|
|
|
klass->desc = desc;
|
|
|
|
/* Handle the inheritance */
|
|
if (klass->parent)
|
|
{
|
|
/* Verify the inheritance is allowed. */
|
|
switch (klass->desc->type)
|
|
{
|
|
case EO_CLASS_TYPE_REGULAR:
|
|
case EO_CLASS_TYPE_REGULAR_NO_INSTANT:
|
|
if ((klass->parent->desc->type != EO_CLASS_TYPE_REGULAR) &&
|
|
(klass->parent->desc->type != EO_CLASS_TYPE_REGULAR_NO_INSTANT))
|
|
{
|
|
ERR("Regular classes ('%s') aren't allowed to inherit from non-regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
|
|
goto cleanup;
|
|
}
|
|
break;
|
|
case EO_CLASS_TYPE_INTERFACE:
|
|
case EO_CLASS_TYPE_MIXIN:
|
|
if ((klass->parent->desc->type != EO_CLASS_TYPE_INTERFACE) &&
|
|
(klass->parent->desc->type != EO_CLASS_TYPE_MIXIN))
|
|
{
|
|
ERR("Non-regular classes ('%s') aren't allowed to inherit from regular classes ('%s').", klass->desc->name, klass->parent->desc->name);
|
|
goto cleanup;
|
|
}
|
|
break;
|
|
}
|
|
|
|
|
|
/* Update the current offset. */
|
|
/* FIXME: Make sure this alignment is enough. */
|
|
klass->data_offset = klass->parent->data_offset +
|
|
EO_ALIGN_SIZE(klass->parent->desc->data_size);
|
|
}
|
|
|
|
if (!_eo_class_check_op_descs(klass))
|
|
{
|
|
goto cleanup;
|
|
}
|
|
|
|
if (!_eo_class_mro_init(klass))
|
|
{
|
|
goto cleanup;
|
|
}
|
|
|
|
/* create MIXIN offset table. */
|
|
{
|
|
const Eo_Class **mro_itr = klass->mro;
|
|
Eo_Extension_Data_Offset *extn_data_itr;
|
|
size_t extn_num = 0;
|
|
size_t extn_data_off = klass->data_offset +
|
|
EO_ALIGN_SIZE(klass->desc->data_size);
|
|
|
|
/* FIXME: Make faster... */
|
|
while (*mro_itr)
|
|
{
|
|
if (((*mro_itr)->desc->type == EO_CLASS_TYPE_MIXIN) &&
|
|
((*mro_itr)->desc->data_size > 0))
|
|
{
|
|
extn_num++;
|
|
}
|
|
mro_itr++;
|
|
}
|
|
|
|
klass->extn_data_off = calloc(extn_num + 1,
|
|
sizeof(*klass->extn_data_off));
|
|
|
|
extn_data_itr = klass->extn_data_off;
|
|
mro_itr = klass->mro;
|
|
while (*mro_itr)
|
|
{
|
|
if (((*mro_itr)->desc->type == EO_CLASS_TYPE_MIXIN) &&
|
|
((*mro_itr)->desc->data_size > 0))
|
|
{
|
|
extn_data_itr->klass = *mro_itr;
|
|
extn_data_itr->offset = extn_data_off;
|
|
|
|
extn_data_off += EO_ALIGN_SIZE(extn_data_itr->klass->desc->data_size);
|
|
extn_data_itr++;
|
|
}
|
|
mro_itr++;
|
|
}
|
|
|
|
klass->extn_data_size = extn_data_off;
|
|
}
|
|
|
|
eina_lock_take(&_eo_class_creation_lock);
|
|
|
|
klass->class_id = ++_eo_classes_last_id;
|
|
|
|
{
|
|
/* FIXME: Handle errors. */
|
|
size_t arrsize = _eo_classes_last_id * sizeof(*_eo_classes);
|
|
Eo_Class **tmp;
|
|
tmp = realloc(_eo_classes, arrsize);
|
|
|
|
/* If it's the first allocation, memset. */
|
|
if (!_eo_classes)
|
|
memset(tmp, 0, arrsize);
|
|
|
|
_eo_classes = tmp;
|
|
_eo_classes[klass->class_id - 1] = klass;
|
|
}
|
|
eina_lock_release(&_eo_class_creation_lock);
|
|
|
|
EINA_MAGIC_SET(klass, EO_CLASS_EINA_MAGIC);
|
|
|
|
_eo_class_base_op_init(klass);
|
|
/* Flatten the function array */
|
|
{
|
|
const Eo_Class **mro_itr = klass->mro;
|
|
for ( ; *mro_itr ; mro_itr++)
|
|
;
|
|
|
|
/* Skip ourselves. */
|
|
for ( mro_itr-- ; mro_itr > klass->mro ; mro_itr--)
|
|
{
|
|
_dich_copy_all(klass, *mro_itr);
|
|
}
|
|
}
|
|
|
|
/* Mark which classes we implement */
|
|
{
|
|
const Eo_Class **extn_itr;
|
|
|
|
for (extn_itr = klass->extensions ; *extn_itr ; extn_itr++)
|
|
{
|
|
const Eo_Class *extn = *extn_itr;
|
|
/* Set it in the dich. */
|
|
_dich_func_set(klass, extn->base_id +
|
|
extn->desc->ops.count, _eo_class_isa_func);
|
|
}
|
|
|
|
_dich_func_set(klass, klass->base_id + klass->desc->ops.count,
|
|
_eo_class_isa_func);
|
|
|
|
if (klass->parent)
|
|
{
|
|
_dich_func_set(klass,
|
|
klass->parent->base_id + klass->parent->desc->ops.count,
|
|
_eo_class_isa_func);
|
|
}
|
|
}
|
|
|
|
_eo_class_constructor(klass);
|
|
|
|
va_end(p_list);
|
|
|
|
return klass;
|
|
|
|
cleanup:
|
|
eo_class_free(klass);
|
|
return NULL;
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
eo_isa(const Eo *obj, const Eo_Class *klass)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
|
|
EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, EINA_FALSE);
|
|
const op_type_funcs *func = _dich_func_get(obj->klass,
|
|
klass->base_id + klass->desc->ops.count);
|
|
|
|
/* Currently implemented by reusing the LAST op id. Just marking it with
|
|
* _eo_class_isa_func. */
|
|
return (func && (func->func == _eo_class_isa_func));
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
eo_parent_set(Eo *obj, const Eo *parent)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
|
|
if (parent)
|
|
EO_MAGIC_RETURN_VAL(parent, EO_EINA_MAGIC, EINA_FALSE);
|
|
|
|
if (obj->parent == parent)
|
|
return EINA_TRUE;
|
|
|
|
_eo_ref(obj);
|
|
|
|
if (eo_composite_is(obj))
|
|
{
|
|
eo_composite_detach(obj, obj->parent);
|
|
}
|
|
|
|
if (obj->parent)
|
|
{
|
|
obj->parent->children =
|
|
eina_inlist_remove(obj->parent->children, EINA_INLIST_GET(obj));
|
|
eo_xunref(obj, obj->parent);
|
|
}
|
|
|
|
obj->parent = (Eo *) parent;
|
|
if (obj->parent)
|
|
{
|
|
obj->parent->children =
|
|
eina_inlist_append(obj->parent->children, EINA_INLIST_GET(obj));
|
|
eo_xref(obj, obj->parent);
|
|
}
|
|
|
|
_eo_unref(obj);
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
EAPI Eo *
|
|
eo_add_internal(const Eo_Class *klass, Eo *parent, ...)
|
|
{
|
|
Eina_Bool do_err;
|
|
EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, NULL);
|
|
|
|
if (parent) EO_MAGIC_RETURN_VAL(parent, EO_EINA_MAGIC, NULL);
|
|
|
|
if (EINA_UNLIKELY(klass->desc->type != EO_CLASS_TYPE_REGULAR))
|
|
{
|
|
ERR("Class '%s' is not instantiate-able. Aborting.", klass->desc->name);
|
|
return NULL;
|
|
}
|
|
|
|
Eo *obj = calloc(1, EO_ALIGN_SIZE(sizeof(*obj)) +
|
|
(klass->data_offset + EO_ALIGN_SIZE(klass->desc->data_size)) +
|
|
klass->extn_data_size);
|
|
EINA_MAGIC_SET(obj, EO_EINA_MAGIC);
|
|
obj->refcount++;
|
|
obj->klass = klass;
|
|
|
|
eo_parent_set(obj, parent);
|
|
|
|
_eo_condtor_reset(obj);
|
|
|
|
_eo_ref(obj);
|
|
|
|
/* Run the relevant do stuff. */
|
|
{
|
|
va_list p_list;
|
|
va_start(p_list, parent);
|
|
do_err = !_eo_dov_internal(obj, EO_OP_TYPE_REGULAR, p_list);
|
|
va_end(p_list);
|
|
}
|
|
|
|
if (EINA_UNLIKELY(do_err))
|
|
{
|
|
ERR("Object of class '%s' - One of the object constructors have failed.", klass->desc->name);
|
|
goto fail;
|
|
}
|
|
|
|
if (!obj->condtor_done)
|
|
{
|
|
ERR("Object of class '%s' - Not all of the object constructors have been executed.", klass->desc->name);
|
|
goto fail;
|
|
}
|
|
|
|
_eo_unref(obj);
|
|
|
|
return obj;
|
|
|
|
fail:
|
|
/* Unref twice, once for the ref above, and once for the basic object ref. */
|
|
_eo_unref(obj);
|
|
_eo_unref(obj);
|
|
return NULL;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
EINA_INLIST;
|
|
const Eo *ref_obj;
|
|
const char *file;
|
|
int line;
|
|
} Eo_Xref_Node;
|
|
|
|
EAPI Eo *
|
|
eo_xref_internal(Eo *obj, const Eo *ref_obj, const char *file, int line)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, obj);
|
|
|
|
_eo_ref(obj);
|
|
|
|
#ifndef NDEBUG
|
|
Eo_Xref_Node *xref = calloc(1, sizeof(*xref));
|
|
xref->ref_obj = ref_obj;
|
|
xref->file = file;
|
|
xref->line = line;
|
|
|
|
obj->xrefs = eina_inlist_prepend(obj->xrefs, EINA_INLIST_GET(xref));
|
|
#else
|
|
(void) ref_obj;
|
|
(void) file;
|
|
(void) line;
|
|
#endif
|
|
|
|
return obj;
|
|
}
|
|
|
|
EAPI void
|
|
eo_xunref(Eo *obj, const Eo *ref_obj)
|
|
{
|
|
EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
|
|
#ifndef NDEBUG
|
|
Eo_Xref_Node *xref = NULL;
|
|
EINA_INLIST_FOREACH(obj->xrefs, xref)
|
|
{
|
|
if (xref->ref_obj == ref_obj)
|
|
break;
|
|
}
|
|
|
|
if (xref)
|
|
{
|
|
obj->xrefs = eina_inlist_remove(obj->xrefs, EINA_INLIST_GET(xref));
|
|
free(xref);
|
|
}
|
|
else
|
|
{
|
|
ERR("ref_obj (%p) does not reference obj (%p). Aborting unref.", ref_obj, obj);
|
|
return;
|
|
}
|
|
#else
|
|
(void) ref_obj;
|
|
#endif
|
|
_eo_unref(obj);
|
|
}
|
|
|
|
static inline Eo *
|
|
_eo_ref(Eo *obj)
|
|
{
|
|
obj->refcount++;
|
|
return obj;
|
|
}
|
|
|
|
EAPI Eo *
|
|
eo_ref(const Eo *_obj)
|
|
{
|
|
Eo *obj = (Eo *) _obj;
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, obj);
|
|
|
|
return _eo_ref(obj);
|
|
}
|
|
|
|
static inline void
|
|
_eo_del_internal(Eo *obj)
|
|
{
|
|
Eina_Bool do_err;
|
|
/* We need that for the event callbacks that may ref/unref. */
|
|
obj->refcount++;
|
|
|
|
eo_do(obj, eo_event_callback_call(EO_EV_DEL, NULL, NULL));
|
|
|
|
const Eo_Class *klass = eo_class_get(obj);
|
|
|
|
_eo_condtor_reset(obj);
|
|
|
|
do_err = eo_do(obj, eo_destructor());
|
|
if (EINA_UNLIKELY(!do_err))
|
|
{
|
|
ERR("Object of class '%s' - One of the object destructors have failed.", klass->desc->name);
|
|
}
|
|
|
|
if (!obj->condtor_done)
|
|
{
|
|
ERR("Object of class '%s' - Not all of the object destructors have been executed.", klass->desc->name);
|
|
}
|
|
/*FIXME: add eo_class_unref(klass) ? - just to clear the caches. */
|
|
|
|
{
|
|
Eina_List *itr, *itr_n;
|
|
Eo *emb_obj;
|
|
EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
|
|
{
|
|
eo_composite_detach(emb_obj, obj);
|
|
}
|
|
}
|
|
|
|
while (obj->children)
|
|
{
|
|
eo_parent_set(EINA_INLIST_CONTAINER_GET(obj->children, Eo), NULL);
|
|
}
|
|
|
|
obj->del = EINA_TRUE;
|
|
obj->refcount--;
|
|
}
|
|
|
|
static inline void
|
|
_eo_free(Eo *obj)
|
|
{
|
|
EINA_MAGIC_SET(obj, EO_FREED_EINA_MAGIC);
|
|
free(obj);
|
|
}
|
|
|
|
static inline void
|
|
_eo_unref(Eo *obj)
|
|
{
|
|
--(obj->refcount);
|
|
if (obj->refcount == 0)
|
|
{
|
|
if (obj->del)
|
|
{
|
|
ERR("Object %p already deleted.", obj);
|
|
return;
|
|
}
|
|
|
|
_eo_del_internal(obj);
|
|
|
|
#ifndef NDEBUG
|
|
/* If for some reason it's not empty, clear it. */
|
|
while (obj->xrefs)
|
|
{
|
|
ERR("obj->xrefs is not empty, possibly a bug, please report. - An error will be reported for each xref in the stack.");
|
|
Eina_Inlist *nitr = obj->xrefs->next;
|
|
free(EINA_INLIST_CONTAINER_GET(obj->xrefs, Eo_Xref_Node));
|
|
obj->xrefs = nitr;
|
|
}
|
|
#endif
|
|
|
|
if (!obj->manual_free)
|
|
_eo_free(obj);
|
|
else
|
|
_eo_ref(obj); /* If we manual free, we keep a phantom ref. */
|
|
}
|
|
else if (obj->refcount < 0)
|
|
{
|
|
ERR("Obj:%p. Refcount (%d) < 0. Too many unrefs.", obj, obj->refcount);
|
|
return;
|
|
}
|
|
}
|
|
|
|
EAPI void
|
|
eo_unref(const Eo *_obj)
|
|
{
|
|
Eo *obj = (Eo *) _obj;
|
|
EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
|
|
|
|
_eo_unref(obj);
|
|
}
|
|
|
|
EAPI void
|
|
eo_del(const Eo *obj)
|
|
{
|
|
eo_parent_set((Eo *) obj, NULL);
|
|
eo_unref(obj);
|
|
}
|
|
|
|
EAPI int
|
|
eo_ref_get(const Eo *obj)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, 0);
|
|
|
|
return obj->refcount;
|
|
}
|
|
|
|
EAPI Eo *
|
|
eo_parent_get(const Eo *obj)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, NULL);
|
|
|
|
return obj->parent;
|
|
}
|
|
|
|
EAPI void
|
|
eo_error_set_internal(const Eo *obj, const char *file, int line)
|
|
{
|
|
EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
|
|
|
|
ERR("Error with obj '%p' at %s:%d", obj, file, line);
|
|
|
|
((Eo *) obj)->do_error = EINA_TRUE;
|
|
}
|
|
|
|
void
|
|
_eo_condtor_done(Eo *obj)
|
|
{
|
|
if (obj->condtor_done)
|
|
{
|
|
ERR("Object %p is already constructed at this point.", obj);
|
|
return;
|
|
}
|
|
|
|
obj->condtor_done = EINA_TRUE;
|
|
}
|
|
|
|
static void
|
|
_eo_condtor_reset(Eo *obj)
|
|
{
|
|
obj->condtor_done = EINA_FALSE;
|
|
}
|
|
|
|
static inline void *
|
|
_eo_data_get(const Eo *obj, const Eo_Class *klass)
|
|
{
|
|
if (EINA_LIKELY(klass->desc->data_size > 0))
|
|
{
|
|
if (EINA_UNLIKELY(klass->desc->type == EO_CLASS_TYPE_MIXIN))
|
|
{
|
|
Eo_Extension_Data_Offset *doff_itr =
|
|
eo_class_get(obj)->extn_data_off;
|
|
|
|
if (!doff_itr)
|
|
return NULL;
|
|
|
|
while (doff_itr->klass)
|
|
{
|
|
if (doff_itr->klass == klass)
|
|
return ((char *) obj) + EO_ALIGN_SIZE(sizeof(*obj)) +
|
|
doff_itr->offset;
|
|
doff_itr++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return ((char *) obj) + EO_ALIGN_SIZE(sizeof(*obj)) +
|
|
klass->data_offset;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
EAPI void *
|
|
eo_data_get(const Eo *obj, const Eo_Class *klass)
|
|
{
|
|
void *ret;
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, NULL);
|
|
EO_MAGIC_RETURN_VAL(klass, EO_CLASS_EINA_MAGIC, NULL);
|
|
|
|
#ifndef NDEBUG
|
|
if (!_eo_class_mro_has(obj->klass, klass))
|
|
{
|
|
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);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
ret = _eo_data_get(obj, klass);
|
|
|
|
#ifndef NDEBUG
|
|
if (!ret && (klass->desc->data_size == 0))
|
|
{
|
|
ERR("Tried getting data of class '%s', but it has none..", klass->desc->name);
|
|
}
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
eo_init(void)
|
|
{
|
|
const char *log_dom = "eo";
|
|
if (_eo_init_count++ > 0)
|
|
return EINA_TRUE;
|
|
|
|
eina_init();
|
|
|
|
_eo_classes = NULL;
|
|
_eo_classes_last_id = EO_CLASS_IDS_FIRST - 1;
|
|
_eo_ops_last_id = EO_OP_IDS_FIRST;
|
|
_eo_log_dom = eina_log_domain_register(log_dom, EINA_COLOR_LIGHTBLUE);
|
|
if (_eo_log_dom < 0)
|
|
{
|
|
EINA_LOG_ERR("Could not register log domain: %s", log_dom);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
if (!eina_lock_new(&_eo_class_creation_lock))
|
|
{
|
|
EINA_LOG_ERR("Could not init lock.");
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
eina_magic_string_static_set(EO_EINA_MAGIC, EO_EINA_MAGIC_STR);
|
|
eina_magic_string_static_set(EO_FREED_EINA_MAGIC,
|
|
EO_FREED_EINA_MAGIC_STR);
|
|
eina_magic_string_static_set(EO_CLASS_EINA_MAGIC,
|
|
EO_CLASS_EINA_MAGIC_STR);
|
|
|
|
#ifndef NDEBUG
|
|
/* Call it just for coverage purposes. Ugly I know, but I like it better than
|
|
* casting everywhere else. */
|
|
_eo_class_isa_func(NULL, NULL, NULL);
|
|
#endif
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
eo_shutdown(void)
|
|
{
|
|
size_t i;
|
|
Eo_Class **cls_itr = _eo_classes;
|
|
|
|
if (--_eo_init_count > 0)
|
|
return EINA_TRUE;
|
|
|
|
for (i = 0 ; i < _eo_classes_last_id ; i++, cls_itr++)
|
|
{
|
|
if (*cls_itr)
|
|
eo_class_free(*cls_itr);
|
|
}
|
|
|
|
if (_eo_classes)
|
|
free(_eo_classes);
|
|
|
|
eina_lock_free(&_eo_class_creation_lock);
|
|
|
|
eina_log_domain_unregister(_eo_log_dom);
|
|
_eo_log_dom = -1;
|
|
|
|
eina_shutdown();
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
EAPI void
|
|
eo_composite_attach(Eo *comp_obj, Eo *parent)
|
|
{
|
|
EO_MAGIC_RETURN(comp_obj, EO_EINA_MAGIC);
|
|
EO_MAGIC_RETURN(parent, EO_EINA_MAGIC);
|
|
|
|
comp_obj->composite = EINA_TRUE;
|
|
eo_parent_set(comp_obj, parent);
|
|
parent->composite_objects = eina_list_prepend(parent->composite_objects, comp_obj);
|
|
}
|
|
|
|
EAPI void
|
|
eo_composite_detach(Eo *comp_obj, Eo *parent)
|
|
{
|
|
EO_MAGIC_RETURN(comp_obj, EO_EINA_MAGIC);
|
|
EO_MAGIC_RETURN(parent, EO_EINA_MAGIC);
|
|
|
|
comp_obj->composite = EINA_FALSE;
|
|
parent->composite_objects = eina_list_remove(parent->composite_objects, comp_obj);
|
|
eo_parent_set(comp_obj, NULL);
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
eo_composite_is(const Eo *comp_obj)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(comp_obj, EO_EINA_MAGIC, EINA_FALSE);
|
|
|
|
return comp_obj->composite;
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
eo_destructed_is(const Eo *obj)
|
|
{
|
|
EO_MAGIC_RETURN_VAL(obj, EO_EINA_MAGIC, EINA_FALSE);
|
|
|
|
return obj->del;
|
|
}
|
|
|
|
EAPI void
|
|
eo_manual_free_set(Eo *obj, Eina_Bool manual_free)
|
|
{
|
|
EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
|
|
obj->manual_free = manual_free;
|
|
}
|
|
|
|
EAPI void
|
|
eo_manual_free(Eo *obj)
|
|
{
|
|
EO_MAGIC_RETURN(obj, EO_EINA_MAGIC);
|
|
|
|
if (EINA_FALSE == obj->manual_free)
|
|
{
|
|
ERR("Tried to manually free the object %p while the option has not been set; see eo_manual_free_set for more information.", obj);
|
|
return;
|
|
}
|
|
|
|
if (!obj->del)
|
|
{
|
|
ERR("Tried deleting the object %p while still referenced(%d).", obj, eo_ref_get(obj));
|
|
return;
|
|
}
|
|
|
|
_eo_free(obj);
|
|
}
|