376 lines
8.3 KiB
C
376 lines
8.3 KiB
C
#ifndef _EO_PRIVATE_H
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#define _EO_PRIVATE_H
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#include <Eo.h>
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#include <Eina.h>
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#define EO_EINA_MAGIC 0xa186bc32
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#define EO_EINA_MAGIC_STR "Eo"
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#define EO_FREED_EINA_MAGIC 0xa186bb32
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#define EO_FREED_EINA_MAGIC_STR "Eo - Freed object"
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#define EO_CLASS_EINA_MAGIC 0xa186ba32
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#define EO_CLASS_EINA_MAGIC_STR "Efl Class"
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#define EO_MAGIC_RETURN_VAL(d, magic, ret) \
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do { \
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if (!EINA_MAGIC_CHECK(d, magic)) \
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{ \
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EINA_MAGIC_FAIL(d, magic); \
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return ret; \
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} \
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} while (0)
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#define EO_MAGIC_RETURN(d, magic) \
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do { \
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if (!EINA_MAGIC_CHECK(d, magic)) \
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{ \
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EINA_MAGIC_FAIL(d, magic); \
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return; \
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} \
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} while (0)
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extern int _eo_log_dom;
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#ifdef CRI
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#undef CRI
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#endif
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#define CRI(...) EINA_LOG_DOM_CRIT(_eo_log_dom, __VA_ARGS__)
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#ifdef ERR
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#undef ERR
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#endif
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#define ERR(...) EINA_LOG_DOM_ERR(_eo_log_dom, __VA_ARGS__)
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#ifdef WRN
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#undef WRN
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#endif
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#define WRN(...) EINA_LOG_DOM_WARN(_eo_log_dom, __VA_ARGS__)
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#ifdef INF
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#undef INF
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#endif
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#define INF(...) EINA_LOG_DOM_INFO(_eo_log_dom, __VA_ARGS__)
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#ifdef DBG
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#undef DBG
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#endif
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#define DBG(...) EINA_LOG_DOM_DBG(_eo_log_dom, __VA_ARGS__)
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typedef uintptr_t Eo_Id;
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typedef struct _Efl_Class _Efl_Class;
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typedef struct _Eo_Header Eo_Header;
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/* Retrieves the pointer to the object from the id */
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static inline _Eo_Object *_eo_obj_pointer_get(const Eo_Id obj_id);
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/* Allocates an entry for the given object */
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static inline Eo_Id _eo_id_allocate(const _Eo_Object *obj);
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/* Releases an entry by the object id */
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static inline void _eo_id_release(const Eo_Id obj_id);
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/* Free all the entries and the tables */
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static inline void _eo_free_ids_tables(void);
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void _eo_condtor_done(Eo *obj);
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typedef struct _Dich_Chain1 Dich_Chain1;
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typedef struct _Eo_Vtable
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{
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Dich_Chain1 *chain;
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unsigned int size;
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} Eo_Vtable;
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/* Clean the vtable. */
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void _vtable_func_clean_all(Eo_Vtable *vtable);
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struct _Eo_Header
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{
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#ifndef HAVE_EO_ID
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EINA_MAGIC
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#endif
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Eo_Id id;
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};
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struct _Eo_Object
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{
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Eo_Header header;
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EINA_INLIST;
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const _Efl_Class *klass;
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#ifdef EO_DEBUG
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Eina_Inlist *xrefs;
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Eina_Inlist *data_xrefs;
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#endif
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Eo_Vtable *vtable;
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Eina_List *composite_objects;
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Efl_Del_Intercept del_intercept;
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short refcount;
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short user_refcount;
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#ifdef EO_DEBUG
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short datarefcount;
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#endif
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Eina_Bool condtor_done:1;
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Eina_Bool finalized:1;
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Eina_Bool del_triggered:1;
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Eina_Bool destructed:1;
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Eina_Bool manual_free:1;
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};
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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_BITS)
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#define DICH_CHAIN_LAST(x) ((x) & ((1 << DICH_CHAIN_LAST_BITS) - 1))
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typedef void (*Eo_Op_Func_Type)(Eo *, void *class_data);
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typedef struct
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{
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Eo_Op_Func_Type func;
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const _Efl_Class *src;
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} op_type_funcs;
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typedef struct _Dich_Chain2
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{
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op_type_funcs funcs[DICH_CHAIN_LAST_SIZE];
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unsigned short refcount;
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} Dich_Chain2;
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struct _Dich_Chain1
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{
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Dich_Chain2 *chain2;
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};
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typedef struct
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{
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const _Efl_Class *klass;
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size_t offset;
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} Eo_Extension_Data_Offset;
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struct _Efl_Class
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{
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Eo_Header header;
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const _Efl_Class *parent;
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const Efl_Class_Description *desc;
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Eo_Vtable vtable;
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const _Efl_Class **extensions;
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Eo_Extension_Data_Offset *extn_data_off;
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const _Efl_Class **mro;
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/* cached object for faster allocation */
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struct {
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Eina_Trash *trash;
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Eina_Spinlock trash_lock;
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unsigned int trash_count;
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} objects;
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/* cached iterator for faster allocation cycle */
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struct {
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Eina_Trash *trash;
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Eina_Spinlock trash_lock;
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unsigned int trash_count;
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} iterators;
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unsigned int obj_size; /**< size of an object of this class */
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unsigned int base_id;
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unsigned int data_offset; /* < Offset of the data within object data. */
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unsigned int ops_count; /* < Offset of the data within object data. */
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Eina_Bool constructed : 1;
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Eina_Bool functions_set : 1;
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/* [extensions*] + NULL */
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/* [mro*] + NULL */
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/* [extensions data offset] + NULL */
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};
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typedef struct
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{
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EINA_INLIST;
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const Eo *ref_obj;
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const char *file;
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int line;
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} Eo_Xref_Node;
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static inline
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Eo *_eo_header_id_get(const Eo_Header *header)
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{
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#ifdef HAVE_EO_ID
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return (Eo *) header->id;
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#else
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return (Eo *) header;
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#endif
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}
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static inline
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Efl_Class *_eo_class_id_get(const _Efl_Class *klass)
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{
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return _eo_header_id_get((Eo_Header *) klass);
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}
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static inline
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Eo *_eo_obj_id_get(const _Eo_Object *obj)
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{
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return _eo_header_id_get((Eo_Header *) obj);
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}
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static inline void
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_eo_condtor_reset(_Eo_Object *obj)
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{
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obj->condtor_done = EINA_FALSE;
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}
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static inline void
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_efl_del_internal(const char *file, int line, _Eo_Object *obj)
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{
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/* We need that for the event callbacks that may ref/unref. */
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obj->refcount++;
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const _Efl_Class *klass = obj->klass;
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efl_event_callback_call(_eo_obj_id_get(obj), EFL_EVENT_DEL, NULL);
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_eo_condtor_reset(obj);
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efl_destructor(_eo_obj_id_get(obj));
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if (!obj->condtor_done)
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{
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ERR("in %s:%d: Object of class '%s' - Not all of the object destructors have been executed.",
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file, line, klass->desc->name);
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}
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/*FIXME: add eo_class_unref(klass) ? - just to clear the caches. */
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{
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Eina_List *itr, *itr_n;
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Eo *emb_obj;
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EINA_LIST_FOREACH_SAFE(obj->composite_objects, itr, itr_n, emb_obj)
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{
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efl_composite_detach(_eo_obj_id_get(obj), emb_obj);
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}
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}
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obj->destructed = EINA_TRUE;
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obj->refcount--;
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}
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static inline Eina_Bool
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_obj_is_override(_Eo_Object *obj)
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{
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return (obj->vtable != &obj->klass->vtable);
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}
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static inline void
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_eo_free(_Eo_Object *obj)
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{
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_Efl_Class *klass = (_Efl_Class*) obj->klass;
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#ifdef EO_DEBUG
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if (obj->datarefcount)
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{
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ERR("Object %p data still referenced %d time(s).", obj, obj->datarefcount);
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}
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#endif
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if (_obj_is_override(obj))
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{
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_vtable_func_clean_all(obj->vtable);
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free(obj->vtable);
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obj->vtable = &klass->vtable;
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}
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_eo_id_release((Eo_Id) _eo_obj_id_get(obj));
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eina_spinlock_take(&klass->objects.trash_lock);
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if (klass->objects.trash_count <= 8)
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{
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eina_trash_push(&klass->objects.trash, obj);
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klass->objects.trash_count++;
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}
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else
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{
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free(obj);
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}
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eina_spinlock_release(&klass->objects.trash_lock);
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}
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static inline _Eo_Object *
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_efl_ref(_Eo_Object *obj)
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{
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obj->refcount++;
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return obj;
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}
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static inline void
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_efl_unref(_Eo_Object *obj)
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{
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--(obj->refcount);
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if (EINA_UNLIKELY(obj->refcount <= 0))
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{
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if (obj->refcount < 0)
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{
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ERR("Obj:%p. Refcount (%d) < 0. Too many unrefs.", obj, obj->refcount);
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return;
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}
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if (obj->destructed)
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{
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ERR("Object %p already destructed.", _eo_obj_id_get(obj));
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return;
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}
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if (obj->del_triggered)
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{
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ERR("Object %p deletion already triggered. You wrongly call efl_unref() within a destructor.", _eo_obj_id_get(obj));
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return;
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}
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if (obj->del_intercept)
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{
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Eo *obj_id = _eo_obj_id_get(obj);
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efl_ref(obj_id);
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obj->del_intercept(obj_id);
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return;
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}
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obj->del_triggered = EINA_TRUE;
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_efl_del_internal(__FILE__, __LINE__, obj);
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#ifdef EO_DEBUG
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/* If for some reason it's not empty, clear it. */
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while (obj->xrefs)
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{
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ERR("obj->xrefs is not empty, possibly a bug, please report. - An error will be reported for each xref in the stack.");
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Eina_Inlist *nitr = obj->xrefs->next;
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free(EINA_INLIST_CONTAINER_GET(obj->xrefs, Eo_Xref_Node));
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obj->xrefs = nitr;
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}
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while (obj->data_xrefs)
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{
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Eina_Inlist *nitr = obj->data_xrefs->next;
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Eo_Xref_Node *xref = EINA_INLIST_CONTAINER_GET(obj->data_xrefs, Eo_Xref_Node);
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ERR("Data of object 0x%lx is still referenced by object %p", (unsigned long) _eo_obj_id_get(obj), xref->ref_obj);
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free(xref);
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obj->data_xrefs = nitr;
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}
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#endif
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if (!obj->manual_free)
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_eo_free(obj);
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else
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_efl_ref(obj); /* If we manual free, we keep a phantom ref. */
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}
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}
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#endif
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